CN108494808A - Charger communication protocol detection device - Google Patents
Charger communication protocol detection device Download PDFInfo
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- CN108494808A CN108494808A CN201810535921.6A CN201810535921A CN108494808A CN 108494808 A CN108494808 A CN 108494808A CN 201810535921 A CN201810535921 A CN 201810535921A CN 108494808 A CN108494808 A CN 108494808A
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- 238000004891 communication Methods 0.000 title claims abstract description 76
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000004458 analytical method Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of charger communication protocol detection device, including：BMS analog modules are used for：Simulate the battery management system BMS of electric vehicle, wherein it is preset with various communications protocols, according to the communication protocol of charger to be detected, corresponding communication protocol is selected from various communications protocols, it is interacted according to corresponding communication protocol and charger to be detected, the message that charger is sent is received, the message is sent to the packet parsing module；The charging current that charger transmits is passed into load；Packet parsing module is used for：The message is parsed, analysis result is obtained；Load is used for：The battery of electric vehicle is simulated, charging current is received and charges.The charger communication protocol detection device is preset with various communications protocols wherein, being detected according to different editions, only the device need to be attached with charger, easy to connect, information collection and information analysis apparatus are an entirety, are moved easily.
Description
Technical field
The present invention relates to charger detection technique field, more particularly to a kind of charger communication protocol detection device.
Background technology
Charging infrastructure is that new-energy automobile is promoted and the important foundation of development and support.In charging pile and electric vehicle
Under the background that market gradually opens, electric vehicle brand and increasing sharply for quantity will be reliable to the charging of electrically-charging equipment service
Property and compatibility are put forward higher requirements.
Electric vehicle direct current quick charge interface and its CAN communication stipulations are with reference to national standard《GB/T20234.3-2011
Electric car conduction chargeable connection device third portion：Direct-current charging interface》With《The non-vehicle of GB/T27930-2011 electric vehicles
Carry the communication protocol between conduction-type charger and battery management system》Design, wherein CAN communication stipulations carry out in national standard
Specification.Since 2011 editions national standards are not apparent enough to the partial content definition of CAN communication stipulations, lack detailed control sequential figure,
Cause different manufacturers to realize the understanding of CAN communication stipulations meaning and control sequential and algorithm to have differences, causes filling
Often there is the unmatched situation of interactive information of charger and battery management system BMS in the real process of motor charging, causes
Charging is set to fail.
Cause the incompatible problem that charges, number of patent application CN201510945963, theme for above-mentioned communication failure
It is entitled《Message detecting method and device》Patent application solve in the following way：By obtaining charger and making
With the charging message for the electric vehicle interaction that charger charges charging message is detected according to preset communication protocol standard
Whether the content requirement of preset communication protocol standard is met.When implementation, installation on computers executes above-mentioned steps
Inspection software, at the same using CAN analyzers from charger and be used charger charge electric vehicle between CAN bus
Upper acquisition charging message.
As 2011 editions CAN communication stipulations are implemented for many years, to substantially meet electric vehicle charge function demand at home, but
As electric vehicle is universal and the rapid growth of charge requirement, primary standard cannot adapt to completely.Revision is the base in original version
It supplements, improve and updates on plinth, with reference to newest international standard, combine closely with charging unit research and development of products and production, it is new to mark
Standard was issued on December 28th, 2015, mainly《GB/T18487.1-2015 electric car conduction charging system part 1s are general
It is required that》, GB/T20234-2015 (all parts)《Electric car conduction charging connecting device》、《GB/T27930-2015 is electronic
Communication protocol between the off-board conduction-type charger of automobile and battery management system》.
Based on this, there are following some problems for the method and device that above-mentioned patent application proposes：It 1, can only be according to electronic vapour
The communication protocol of vehicle and charger existing version (2011 editions) carries out communication protocol detection, cannot carry out different editions to charger
The detection of communication protocol.2, connection computer, CAN analyzers and CAN bus is needed to be needed after having detected a charger
The connection between computer, CAN analyzers and CAN bus is removed, next charger is moved to and goes to detect, it is mobile inconvenient.
Invention content
An embodiment of the present invention provides a kind of charger communication protocol detection devices, and default wherein there are many communication protocols
View, being detected according to different editions, only the device need to be attached with charger, it is easy to connect, information collection with
Information analysis apparatus is an entirety, is moved easily.
Charger communication protocol detection device, including：Battery management system BMS analog modules, packet parsing module and negative
It carries；
The BMS analog modules are used for：The battery management system BMS of electric vehicle is simulated, there are many communications wherein default
Agreement selects corresponding communication protocol, according to corresponding according to the communication protocol of charger to be detected from various communications protocols
Communication protocol interacted with charger to be detected, receive the message that charger to be detected is sent, the message sent out
It send to the packet parsing module；The charging current that charger to be detected transmits is passed into load；
The packet parsing module is used for：The message is parsed, analysis result is obtained；
The load is used for：The battery of electric vehicle is simulated, charging current is received and charges.
In embodiments of the present invention, various communications protocols are preset in charger communication protocol detection device, it can be according to
Different editions are detected, and only need to be attached the device with charger, easy to connect, information collection and information analysis dress
It is an entirety to set, and is moved easily.
Description of the drawings
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 technology 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
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of charger communication protocol structure of the detecting device schematic diagram provided in an embodiment of the present invention.
Specific implementation mode
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 describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In embodiments of the present invention, a kind of charger communication protocol detection device is provided, as shown in Figure 1, the device packet
It includes：Battery management system BMS analog modules, packet parsing module and load；
The BMS analog modules are used for：The battery management system BMS of electric vehicle is simulated, there are many communications wherein default
Agreement selects corresponding communication protocol, according to corresponding according to the communication protocol of charger to be detected from various communications protocols
Communication protocol interacted with charger to be detected, receive the message that charger to be detected is sent, the message sent out
It send to the packet parsing module；The charging current that charger to be detected transmits is passed into load；
The packet parsing module is used for：The message is parsed, analysis result is obtained；
The load is used for：The battery of electric vehicle is simulated, charging current is received and charges.
When it is implemented, the charging gun of the charging cable of charger to be detected is inserted into the cradle of BMS analog modules,
Mutual message is transferred to packet parsing module by BMS analog modules by USB transmission line；BMS analog modules will by power line
The charging current of charger supply to be detected passes to load.
When it is implemented, the various communications protocols to prestore in the charger communication protocol detection device may include 2011 editions
Communication protocol, 2015 editions new communication protocol can also be included.When the communication protocol in electric vehicle and charger is
2011 editions, then when detection, 2011 editions logical can be selected in preset various communications protocols from BMS analog modules
Agreement is believed to be detected to charger to be detected；When the communication protocol in electric vehicle and charger to be detected is 2015
Version, then when detection, 2015 editions communication protocols can be selected in preset various communications protocols from BMS analog modules
It discusses to be detected to charger to be detected.Solving so in the prior art can only be according to the logical of electric vehicle existing version
Believe that agreement (2011 editions communication protocols) carries out communication protocol detection, the inspection of different editions communication protocol cannot be carried out to charger
The limitation of survey.
When it is implemented, the BMS analog modules are specifically used for：Receive the different charging ranks that charger to be detected is sent
The message of the different charging stages is sent to the packet parsing module by the message of section；
The difference charging stage includes that charging handshake phase, charge parameter configuration phase, charging stage and charging terminate
Stage.
Specifically, first, the charging gun of the charging cable of charger to be detected to be inserted into the cradle of BMS analog modules
In, BMS analog modules simulate electric vehicle BMS, and whether detection charger low pressure accessory power supply matches, if it does, according to logical
Letter agreement enters charging handshake phase, determines interactive information.Mutual message is transferred to packet parsing module and is analyzed.
After the completion of charging handshake phase, into charge parameter configuration phase, this stage, in the prior art by then passing through
Electric vehicle charges, and analysis object is the charging message that charger to be detected is interacted with the electric vehicle to charge, is being filled
Electrical parameter configuration phase can only be configured according to the preset parameter of electric vehicle, cannot carry out other parameters configuration testing.And
Pre-set charge parameter can be sent to charger to be detected by the present invention by BMS analog modules, and be received to be checked
The message for the charge parameter configuration phase that the charger of survey returns.The message of charge parameter configuration phase is passed by BMS analog modules
Packet parsing module is defeated by be analyzed.
Can only be to carry out message communication according to current electric vehicle BMS charge requirements in the prior art, no in the charging stage
BMS charge requirements can be changed according to detection needs.And the present invention can be sent out preset charge requirement by BMS analog modules
Charger to be detected is given, is interacted with charger to be detected.In charging process, charger to be detected and BMS simulate mould
Block mutually sends charged state, and mutual message is transferred to packet parsing module and is analyzed.
After stopping charging, into charging ending phase, BMS analog modules are sent out according to communication protocol to charger to be detected
Charging statistical data is sent, and receives the messages such as the charge information of charging ending phase that charger to be detected is sent.Interaction report
Text is transferred to packet parsing module and is analyzed.
When it is implemented, the BMS analog modules are specifically used for：In the message for receiving charger transmission to be detected
Afterwards, the message and corresponding communication protocol are sent to the packet parsing module；
The packet parsing module is specifically used for：According to corresponding communication protocol to being parsed to the message,
Obtain analysis result.
When it is implemented, can only test charger in the prior art charges normal message, it cannot be to charger error message
It is tested.Therefore, the BMS analog modules in the present invention are additionally operable to：The error message message that the charger is sent is received, it will
The error message message is sent to the packet parsing module；
The packet parsing module is additionally operable to：The error message message is parsed, error message result is obtained.
When it is implemented, in the prior art can not the corresponding communication protocol version of automatic discrimination communication message, can not be automatic
Show that completed charging stage, the charging stage that can not diagnose fault place, parsing information can not intuitively be shown.Therefore, originally
Inventing the charger communication protocol detection device proposed further includes：Display device is connect with the packet parsing module；It is described aobvious
Showing device is used for：Show analysis result.
When it is implemented, the message that the packet parsing module in the present invention interacts BMS analog modules and charger carries out
Analysis, may be implemented the packet capturing of communication protocol message between DC charging motor and electric vehicle, to link layer, application layer accordance
It is tested, realizes the automatic inspection to mailing address and message format correctness；Charging handshake phase, charge parameter can be matched
Set the stage, the charging stage, charge ending phase flow carry out automatic test, provide judgement and the word of front and back logical order
Paraphrase；It can be according to different communication protocol to the charging overall process of crawl (including charging handshake phase, parameter configuration stage, charging
Stage, charging ending phase) message parses automatically, and it provides the residing text prompt in stage, the effect of message and meaning word and retouches
It states, and carries out parsing and fault diagnosis automatically, error type and meaning are illustrated.
The present apparatus is moved easily, and can be used for electric automobile battery charger scene by platform acceptance test.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, the present invention can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made by
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of charger communication protocol detection device, which is characterized in that including：Battery management system BMS analog modules, message
Parsing module and load；
The BMS analog modules are used for：The battery management system BMS of electric vehicle is simulated, wherein various communications protocols are preset with,
According to the communication protocol of charger to be detected, corresponding communication protocol is selected from various communications protocols, according to corresponding logical
Letter agreement is interacted with charger to be detected, receives the message that charger to be detected is sent, the message is sent to
The packet parsing module；The charging current that charger to be detected transmits is passed into load；
The packet parsing module is used for：The message is parsed, analysis result is obtained；
The load is used for：The battery of electric vehicle is simulated, charging current is received and charges.
2. charger communication protocol detection device as described in claim 1, which is characterized in that the BMS analog modules are specific
For：The message for receiving the different charging stages that charger to be detected is sent sends the message of the different charging stages
To the packet parsing module；
The difference charging stage includes charging handshake phase, charge parameter configuration phase, charging stage and charging ending phase.
3. charger communication protocol detection device as claimed in claim 2, which is characterized in that the BMS analog modules are used for：
In charge parameter configuration phase, preset charge parameter is sent to the charger to be detected, is received described to be detected
The charge parameter configuration phase message that charger is returned according to the preset charge parameter；
In the charging stage, preset charge requirement is sent to the charger to be detected, receives the charging to be detected
The charging stage message that machine is returned according to the preset charge requirement；
The packet parsing module is specifically used for：In charge parameter configuration phase, to charge parameter configuration phase message into
Row analysis, obtains the packet parsing result of charge parameter configuration phase；
In the charging stage, charging stage message is analyzed, obtains the packet parsing result of charging stage.
4. charger communication protocol detection device as described in claim 1, which is characterized in that the BMS analog modules are specific
For：After receiving the message that charger to be detected is sent, the message and corresponding communication protocol are sent to
The packet parsing module；
The packet parsing module is specifically used for：According to corresponding communication protocol to being parsed to the message, obtain
Analysis result.
5. charger communication protocol detection device as described in claim 1, which is characterized in that the BMS analog modules are also used
In：The error message message that the charger to be detected is sent is received, the error message message is sent to the message
Parsing module；
The packet parsing module is additionally operable to：The error message message is parsed, error message result is obtained.
6. charger communication protocol detection device as described in claim 1, which is characterized in that the BMS analog modules pass through
The mutual message is transferred to packet parsing module by USB transmission line.
7. charger communication protocol detection device as described in claim 1, which is characterized in that the BMS analog modules pass through
The charging current that charger to be detected supplies is passed to load by power line.
8. charger communication protocol detection device as described in claim 1, which is characterized in that further include：Display device, with institute
State the connection of packet parsing module；
The display device is used for：Show analysis result.
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| CN201810535921.6A CN108494808A (en) | 2018-05-30 | 2018-05-30 | Charger communication protocol detection device |
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Cited By (9)
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| CN110012002A (en) * | 2019-03-29 | 2019-07-12 | 深圳智链物联科技有限公司 | Message parsing method, device and server, computer readable storage medium |
| CN111060829A (en) * | 2019-11-20 | 2020-04-24 | 福建星云电子股份有限公司 | System and method for carrying out PACK detection on PACK battery PACK |
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