CN106850742A - For the communication means and communication system and electric automobile charging station of vehicle electrical changing station - Google Patents
For the communication means and communication system and electric automobile charging station of vehicle electrical changing station Download PDFInfo
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- CN106850742A CN106850742A CN201611182667.3A CN201611182667A CN106850742A CN 106850742 A CN106850742 A CN 106850742A CN 201611182667 A CN201611182667 A CN 201611182667A CN 106850742 A CN106850742 A CN 106850742A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The present invention relates to a kind of communication means for vehicle electrical changing station, communication system and electric automobile charging station for vehicle electrical changing station.Wherein, the communication means is applied to include the scene of first module and second unit, wherein, first module includes PLC, and second unit includes the ARM based on linux system；The communication means includes：Application layer communication protocol between first module and second unit by being built based on Open IE is communicated；First module and second unit carry out data parsing using the communication protocol based on XML format.By using above-mentioned technical proposal, by Open IE, this flexible open protocol for being based on TCP/IP is combined with PLC with the ARM based on linux system, and XML file is introduced, it is achieved thereby that adapting to changeable communication protocol point table, and possess the technique effect of adaptive characteristic.
Description
Technical field
The present invention relates to industry control technical field, in particular to a kind of communication means for vehicle electrical changing station, it is used for
The communication system and electric automobile charging station of vehicle electrical changing station.
Background technology
Embedded system based on ARM+Linux is built economy and simply, conveniently extends various ancillary equipment, increases income because of it
Property, technology maturation the features such as, be a main flow of current various control systems.And in industrial control field, PLC (FPGA controls
Device processed) then because of its high reliability, high noise immunity, expansibility the features such as, be widely used as field controller.So, car
The system architecture PLC of (such as pure electric automobile) electrical changing station is that field controller, ARM+Linux are main control unit so that be
The flexible and changeable and reliable and stable advantage of compatibility of uniting.
The conventional communication mode interface of PLC is DP9 serial modes and RJ45 ether net modes.Serial communication speed is slow and passes
It is defeated apart from it is short the characteristics of limit its range of application.So, the occasion higher to communication speed requirement typically uses RJ45 Ethernets
Mode.In industrial control field, the popular communication protocol based on interface includes Profinet, PowerLink, EtherCAT
There is very strong customization Deng, these popular industrial ethernet protocols, for the application and development in ARM+Linux systems not
Possesses flexibility, while it is all existing problem to transplant workload and mandate expense of corresponding protocol stack etc..So, PLC with
A succinct convenient communication protocol is needed between ARM+Linux systems.
In view of this, it is special to propose the present invention.
The content of the invention
In order to solve above mentioned problem of the prior art, there is provided a kind of communication means for vehicle electrical changing station, to adapt to
Changeable communication protocol point table, and possess adaptive characteristic.Additionally, also provide a kind of communication system for vehicle electrical changing station and
Electric automobile charging station.
To achieve these goals, first aspect, there is provided following technical scheme：
A kind of communication means for vehicle electrical changing station, is applied to include the scene of first module and second unit, described
First module includes PLC, and the second unit includes the ARM based on linux system；The communication means includes：
Application layer communication protocol between the first module and the second unit by being built based on Open IE is carried out
Communication；
The first module and the second unit carry out data parsing using the communication protocol based on XML format.
According in a first aspect, in the first possible implementation method of first aspect, the application layer communication protocol quilt
It is configured to：
Determine to be synchronized in question and answer mode data access form between the first module and the second unit and communicate,
And the validity of message is realized with check system.
According to the first possible implementation method of first aspect or first aspect, second in first aspect is possible
In implementation method, the communication means also includes：
Determine XML allocation lists and be loaded into the second unit；
It is described carry out data parsing specifically include：
Configuration information according to the XML allocation lists determines the data resolution module of the first module；
The second unit carries out data parsing according to the configuration information of the XML allocation lists.
Second possible implementation method according to first aspect, in the third possible implementation method of first aspect
In, the communication means also includes：
When Content of Communication is changed, the XML allocation lists are changed；
When the XML allocation lists are changed, the XML allocation lists after the second unit loading change.
To achieve these goals, second aspect, there is provided following technical scheme：
A kind of communication system for vehicle electrical changing station, including first module and second unit, the first module include
PLC, the second unit includes the ARM based on linux system；
Application layer communication protocol between the first module and the second unit by being built based on Open IE is carried out
Communication；
The first module and the second unit carry out data parsing using the communication protocol based on XML format.
According to second aspect, in the first possible implementation method of second aspect, the application layer communication protocol quilt
It is configured to：
Determine to be synchronized in question and answer mode data access form between the first module and the second unit and communicate,
And the validity of message is realized with check system.
According to the first possible implementation method of second aspect or second aspect, the third in second aspect is possible
In implementation method, the communication system also includes：
Dispensing unit, for determining XML allocation lists and being loaded into the second unit；
The first module is specifically included：
Determining unit, the data for determining the first module according to the configuration information of the XML allocation lists parse mould
Block；
The second unit is specifically included：
Resolution unit, for carrying out data parsing according to the configuration information of the XML allocation lists.
According to the third possible implementation method of second aspect, in the 4th kind of possible implementation method of second aspect
In, the communication system also includes：
Changing unit, for when Content of Communication is changed, changing the XML allocation lists；
The second unit also includes：
Loading unit, for when the XML allocation lists are changed, loading the XML allocation lists after change.
To achieve these goals, the third aspect, there is provided following technical scheme：
A kind of electric automobile charging station, including above-mentioned second aspect, second aspect the first possible implementation method or
Communication system described in 4th kind of possible implementation method of second aspect.
To achieve these goals, fourth aspect, there is provided following technical scheme：
A kind of electric automobile charging station, including the communication system described in the third possible implementation method of above-mentioned second aspect
System.
The invention provides a kind of communication means for vehicle electrical changing station, communication system and electricity for vehicle electrical changing station
Electrical automobile electrical changing station.Wherein, the communication means is applied to include the scene of first module and second unit, wherein, first module
Including PLC, second unit includes the ARM based on linux system；The communication means includes：Between first module and second unit
Communicated by the application layer communication protocol built based on Open IE；First module and second unit are using based on XML format
Communication protocol carry out data parsing.By using above-mentioned technical proposal, by Open IE, this is based on TCP/ to the embodiment of the present invention
ARM of the flexible open protocol of IP with PLC and based on linux system is combined, and introduces XML file, it is achieved thereby that suitable
Changeable communication protocol point table is answered, and possesses the technique effect of adaptive characteristic.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the communication means for vehicle electrical changing station according to embodiments of the present invention；
Fig. 2 is the structural representation of the communication system for vehicle electrical changing station according to embodiments of the present invention；
Fig. 3 is the structural representation of the communication system for vehicle electrical changing station according to another embodiment of the present invention；
Fig. 4 is the structural representation of the communication system for vehicle electrical changing station according to yet another embodiment of the invention；
Fig. 5 is the structural representation of electric automobile charging station according to embodiments of the present invention.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little implementation methods are used only for explaining know-why of the invention, it is not intended that limit the scope of the invention.
The basic thought of the embodiment of the present invention is the adaptivity for designing communication protocol, makes it to ignore the change of stipulations point table
More so that vehicle electrical changing station can be continuously updated in terms of data interaction according to user's application scenarios, so as to improve
Consumer's Experience.
Therefore, the embodiment of the present invention provides a kind of communication means for vehicle electrical changing station, the method can apply to bag
The scene of first module and second unit is included, wherein, first module includes PLC, and second unit is included based on linux system
ARM；As shown in figure 1, the communication means includes：
S100：Application layer communication protocol between first module and second unit by being built based on Open IE is led to
Letter.
S110：First module and second unit carry out data parsing using the communication protocol based on XML format.
The embodiment of the present invention in implementation process, including PLC first module as electrical changing station service data source.Bag
The second unit of the ARM based on linux system is included as master control side, required data are obtained from PLC.
It should be noted that being not limited to use in PLC and be based on based on the application layer communication protocol that Open IE build
In this implementation of ARM controller of linux system, can also be real in the controller combination of other support ICP/IP protocols
Now (such as：Implementation, industrial computer that ARM is combined with the implementation, industrial computer of supporting the system of TCP/IP to be combined with PLC
With support TCP/IP FPGA/CPLD/DSP, ARM or other kinds of microcontroller be combined implementation, ARM with
Implementation etc. that FPGA/CPLD/DSP is combined), those skilled in the art can using the first module of different ways of realization and
Second unit realizes the agreement, will not be repeated here.
By using above-mentioned technical proposal, by Open IE, this is based on the flexible open of TCP/IP to the embodiment of the present invention
ARM of the agreement with PLC and based on linux system is combined, and introduces XML file, and in communication process, PLC is obtained from ARM and joined
Number configuration or control command, PLC determine parsing strategy according to XML allocation lists, and then, ARM is according to XML allocation lists (i.e. based on XML
The communication data point table of form) data are parsed, it is achieved thereby that changeable communication protocol point table is adapted to, and it is special to possess self adaptation
The technique effect of property.
Open IE agreements are applied to support the embodiment of the present invention PLC and ARM based on linux system of the agreement, are needed
Privately owned communication protocol is defined in application layer.
In a preferred embodiment, above-mentioned application layer communication protocol can be configured as：
Determine to be synchronized in question and answer mode data access form between first module and second unit and communicate, and to check
Mode realizes the validity of message.
In the present embodiment, communicating pair is specified (for example by application layer communication protocol：First module and second unit) adopt
The synchronism of communication is kept with the data access form of question-response, while specifying check system to ensure the effective of message
Property.Wherein it is possible to characterize enough message informations using as far as possible succinct heading.
In a preferred embodiment, above-mentioned communication means may also include：
Determine XML allocation lists and be loaded into the second unit；
Carrying out data analyzing step can specifically include：
Configuration information according to XML allocation lists determines the data resolution module of first module；
Second unit carries out data parsing according to the configuration information of XML allocation lists.
Wherein, XML allocation lists can be set up by host computer, then be downloaded to the ARM based on linux system
And store.The data resolution module for determining PLC is write according to the XML allocation lists, and is downloaded into PLC.During communication,
Control instruction or operational factor needed for PLC from ARM acquisition system operations.ARM then according to XML allocation lists come parse PLC upload
System operation information data.
Here, " module " may refer to the software object for performing on a computing system or routine.
In the present embodiment, the XML file of internet arena application is introduced, formulate XML file to specify communicating pair (example
Such as：First module and second unit) communication data point table, application layer communication protocol analysis program therefrom reads communication point table and matches somebody with somebody
Confidence ceases, and carries out communication interaction and data parsing according to the configuration information for being read.
In a preferred embodiment, above-mentioned communication means also includes：
When Content of Communication is changed, XML allocation lists are changed；
When XML allocation lists are changed, the XML allocation lists after second unit loading change.
The present embodiment changes XML allocation lists, based on linux system when there is the situation of communication data point table change
Reload XML allocation lists in ARM ends (i.e. second unit), it is possible to adapt to the communication protocol point table after change.On the other hand, such as
Fruit PLC occur change and cause Content of Communication need change, then need change XML allocation lists, after by host computer, this is changed
XML configuration changes be downloaded in ARM, and at second unit, the XML allocation lists are reloaded by ARM, but ARM operations is soft
Part need not be changed, and thus, the embodiment of the present invention has the advantages that self adaptation, equipment cost are low.
Based on above method embodiment identical technology design, the embodiment of the present invention also provides a kind of for replacing vehicle electricity
The communication system stood.As shown in Fig. 2 the communication system 20 includes first module 22 and second unit 24, wherein, first module 22
Including PLC, second unit 24 includes the ARM based on linux system；By being based between first module 22 and second unit 24
The application layer communication protocol that Open IE build is communicated；First module 22 and second unit 24 are using logical based on XML format
Letter agreement carries out data parsing.
In a preferred embodiment, above-mentioned application layer communication protocol is configured as：Determine that first module is single with second
Communication is synchronized between unit in question and answer mode data access form, and the validity of message is realized with check system.
In a preferred embodiment, as shown in figure 3, the communication system also includes：Dispensing unit 26, first module 22
Also include determining unit 222；Second unit 24 also includes resolution unit (242)；Wherein, dispensing unit 26 is used to determine that XML matches somebody with somebody
Put table and be loaded into second unit 24.Determining unit 28 is used to determine first module according to the configuration information of XML allocation lists
Data resolution module.Resolution unit (242) carries out data parsing for the configuration information according to XML allocation lists.
In a preferred embodiment, as shown in figure 4, above-mentioned communication system also includes changing unit 28.Wherein, change
Unit 28 is used to, when Content of Communication is changed, change XML allocation lists.Second unit also includes loading unit 244, the loading
Unit 244 is used for when XML allocation lists are changed, the XML allocation lists after loading change.
Additionally, the embodiment of the present invention also provides a kind of electric automobile charging station.As shown in figure 5, the electrical changing station 50 is including upper
State communication system 52.
It should be noted that during the various embodiments described above are described, eliminating identical part, people in the art
Member can mutually refer between will be understood that each embodiment, for example：The relevant explanation of system embodiment can use for reference method reality
The related description of example is applied, be will not be repeated here.
So far, combined preferred embodiment shown in the drawings describes technical scheme, but, this area
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
On the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to correlation technique feature, these
Technical scheme after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of communication means for vehicle electrical changing station, is applied to include the scene of first module and second unit, described
Unit one includes PLC, and the second unit includes the ARM based on linux system；Characterized in that, the communication means includes：
Application layer communication protocol between the first module and the second unit by being built based on Open IE is led to
Letter；
The first module and the second unit carry out data parsing using the communication protocol based on XML format.
2. communication means according to claim 1, it is characterised in that the application layer communication protocol is configured as：
Determine to be synchronized in question and answer mode data access form between the first module and the second unit and communicate, and with
Check system realizes the validity of message.
3. communication means according to claim 1 and 2, it is characterised in that the communication means also includes：
Determine XML allocation lists and be loaded into the second unit；
It is described carry out data parsing specifically include：
Configuration information according to the XML allocation lists determines the data resolution module of the first module；
The second unit carries out data parsing according to the configuration information of the XML allocation lists.
4. communication means according to claim 3, it is characterised in that the communication means also includes：
When Content of Communication is changed, the XML allocation lists are changed；
When the XML allocation lists are changed, the XML allocation lists after the second unit loading change.
5. a kind of communication system for vehicle electrical changing station, including first module and second unit, the first module include
PLC, the second unit includes the ARM based on linux system；Characterized in that,
Application layer communication protocol between the first module and the second unit by being built based on Open IE is led to
Letter；
The first module and the second unit carry out data parsing using the communication protocol based on XML format.
6. communication system according to claim 1, it is characterised in that the application layer communication protocol is configured as：
Determine to be synchronized in question and answer mode data access form between the first module and the second unit and communicate, and with
Check system realizes the validity of message.
7. the communication system according to claim 5 or 6, it is characterised in that the communication system also includes：
Dispensing unit, determines XML allocation lists and is loaded into the second unit；
The first module is specifically included：
Determining unit, the data resolution module for determining the first module according to the configuration information of the XML allocation lists；
The second unit is specifically included：
Resolution unit, for carrying out data parsing according to the configuration information of the XML allocation lists.
8. communication system according to claim 5, it is characterised in that the communication system also includes：
Changing unit, for when Content of Communication is changed, changing the XML allocation lists；
The second unit also includes：
Loading unit, for when the XML allocation lists are changed, loading the XML allocation lists after change.
9. a kind of electric automobile charging station, it is characterised in that including the communication system described in the claims 5,6 or 8.
10. a kind of electric automobile charging station, it is characterised in that including the communication system described in the claims 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182667.3A CN106850742A (en) | 2016-12-20 | 2016-12-20 | For the communication means and communication system and electric automobile charging station of vehicle electrical changing station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611182667.3A CN106850742A (en) | 2016-12-20 | 2016-12-20 | For the communication means and communication system and electric automobile charging station of vehicle electrical changing station |
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| CN201611182667.3A Pending CN106850742A (en) | 2016-12-20 | 2016-12-20 | For the communication means and communication system and electric automobile charging station of vehicle electrical changing station |
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Cited By (1)
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| CN111752245A (en) * | 2020-06-30 | 2020-10-09 | 北京和利时智能技术有限公司 | Data access and processing method, device, equipment and readable storage medium |
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Application publication date: 20170613 |