CN112615835A - Charging pile multi-communication protocol support method and storage medium - Google Patents
Charging pile multi-communication protocol support method and storage medium Download PDFInfo
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- CN112615835A CN112615835A CN202011451072.XA CN202011451072A CN112615835A CN 112615835 A CN112615835 A CN 112615835A CN 202011451072 A CN202011451072 A CN 202011451072A CN 112615835 A CN112615835 A CN 112615835A
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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
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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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
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a method for supporting multiple communication protocols of a charging pile and a storage medium, wherein the method comprises the following steps: judging whether the communication protocol of the charging pile terminal is consistent with the communication protocol stored by the platform server or not, and if so, communicating with the charging pile terminal through the communication protocol stored by the platform server; if the charging pile terminal is inconsistent with the charging pile terminal, acquiring a communication interaction rule and a charging data field of the charging pile terminal; and packaging the communication interaction rule and the charging data field to obtain a packaging result, storing the packaging result, and communicating with a charging pile terminal according to the packaging result. According to the invention, when other charging piles containing different communication protocols are docked, docking and development of different charging pile communication protocols can be completed only by taking necessary charging data fields and interaction rules and packaging the fields and the interaction rules into a compatible platform.
Description
Technical Field
The invention relates to the technical field of charging piles, in particular to a multi-communication-protocol supporting method for a charging pile and a storage medium.
Background
The electric automobile alternating-current charging pile provides a safe and reliable alternating-current power supply for a vehicle-mounted charger, is simple and convenient to install, and can be in a vehicle-mounted type, a portable type, a wall-mounted type and a floor type. Fill electric pile's communication and mainly relate to three aspects: communicating with a power distribution area, communicating with a remote control platform, and communicating with an electric vehicle battery management system.
When communicating with the remote control platform, because the charging pile manufacturer is different from the type, the adopted communication protocols are also different, the existing market mainly adopts six communication protocols, the platform server of a general charging operator can only identify the charging piles of the same communication protocols, the charging piles of different communication protocols can not be identified, the existing system often analyzes the protocols of third-party equipment (namely, the charging piles of different protocols) through hardware equipment, therefore, the charging pile added with one manufacturer or one type needs to be matched with equipment such as various hardware gateways (for example, a corresponding communication interface converter is added). Because the electric pile trade sharing management degree of filling in the future is higher and higher, fill electric pile operator probably need manage the electric pile that fills of the different models of various different producers, for example, fill electric pile that other operators managed, because agreement interface can not accomplish in unison, adopt hardware equipment such as traditional gateway to discern, then the equipment that needs is more, and is with high costs, and later maintenance is inconvenient, need extravagant a large amount of manpower input. Therefore, in order to overcome the disadvantages of the existing charging pile system and adapt to the management of charging piles of various models of various manufacturers, a multi-communication protocol support method for the charging piles is urgently needed.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a method for supporting multiple communication protocols for charging piles and a storage medium, so as to solve the problem that charging piles with different communication protocols cannot be identified due to non-uniform communication protocols of existing charging piles.
The invention adopts the following technical scheme:
a charging pile multi-communication protocol support method is applied to a platform server, the platform server is in communication connection with one or more charging pile terminals, the platform server stores communication protocols for communicating with the charging pile terminals, and the method comprises the following steps:
judging whether the communication protocol of the charging pile terminal is consistent with the communication protocol stored by the platform server or not, and if so, communicating with the charging pile terminal through the communication protocol stored by the platform server;
if the charging pile terminal is inconsistent with the charging pile terminal, acquiring a communication interaction rule and a charging data field of the charging pile terminal;
and packaging the communication interaction rule and the charging data field to obtain a packaging result, storing the packaging result, and communicating with a charging pile terminal according to the packaging result.
Furthermore, the instructions contained in the charging data field at least include charging login, heartbeat, start-stop charging pile, charging data reporting and bill reporting instructions.
Furthermore, the packaging results are distinguished through different terminal port numbers of the charging piles.
Further, the communication protocol stored by the platform server at least comprises a general data field of the charging process.
Furthermore, in the charging process of the charging pile, the charging process is tracked and counted through the order number corresponding to the charging process.
Furthermore, the instructions contained in the charging data field also include instructions for reporting a card number, reporting a VIN code, remotely upgrading, unlocking a gun lock and disconnecting a power supply.
And further, according to the type of the charging pile, classifying and storing the packaging result.
Further, the message format adopted by the communication protocol stored by the platform server is as follows: the system comprises an initial domain, a terminal logic address, a master station address and command sequence number, a frame start character, a control code, a data length, a data domain, a check code and an end code.
Further, the step of judging whether the communication protocol of the charging pile terminal is consistent with the communication protocol stored by the platform server further comprises the following steps:
the charging pile terminal sends a connection request to the platform server;
after the charging pile terminal is successfully connected with the platform server, the charging pile terminal sends a protocol data packet to the platform server in a pushing mode;
and the platform server performs validity check on the received protocol data packet.
A computer storage medium having stored thereon a computer program which, when executed by a processor, implements the charging pile multi-communication protocol support method.
Compared with the prior art, the invention has the beneficial effects that:
according to the method, communication interaction rules and charging data fields of charging pile terminals with different communication protocols are obtained; and packaging the communication interaction rule and the charging data field to obtain a packaging result, storing the packaging result, and communicating with a charging pile terminal according to the packaging result to realize that when other charging piles comprise different communication protocols, the necessary charging data field and interaction rule are only required to be captured and packaged into a compatible platform, so that the docking and development of the different charging pile communication protocols can be completed. Furthermore, the charging piles of different models are isolated through the charging pile port numbers, so that the compatibility of the operation platform to different communication protocols can be guaranteed, and the independence of brand piles is supported.
Drawings
Fig. 1 is a schematic flowchart of a first embodiment of a method for supporting multiple communication protocols of a charging pile according to the present invention;
fig. 2 is a schematic flowchart illustrating a second method for supporting multiple communication protocols of a charging pile according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device provided by the method for supporting multiple communication protocols of a charging pile according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that, in the premise of no conflict, the following described embodiments or technical features may be arbitrarily combined to form a new embodiment:
the first embodiment is as follows:
the invention discloses a charging pile multi-communication protocol supporting method, which is applied to a platform server, wherein the platform server is in communication connection with one or more charging pile terminals, the platform server stores a communication protocol for communicating with the charging pile terminals, and as shown in figure 1, the method comprises the following steps:
step S1, judging whether the communication protocol of the charging pile terminal is consistent with the communication protocol stored by the platform server, if so, communicating with the charging pile terminal through the communication protocol stored by the platform server;
it should be understood that the platform server stores a communication protocol for communicating with the charging pile terminal in advance, and if the platform server is connected with a newly added charging pile terminal, and if the communication protocol of the charging pile terminal is the same as that of the platform server, the platform server can directly communicate with the charging pile terminal without any hardware equipment for identifying the communication protocol of the charging pile terminal.
Optionally, the communication protocol stored by the platform server at least includes a general data field of the charging process.
It should be noted that, in the present invention, the communication protocol pre-stored in the platform server may only include the general data field of the charging process, and does not include other redundant fields.
The communication protocol only comprises the general data field of the charging process, so that unnecessary redundant data can be simplified, and the effect of optimizing the charging process is achieved.
Optionally, the message format adopted by the communication protocol stored by the platform server is as follows: the system comprises an initial domain, a terminal logic address, a master station address and command sequence number, a frame start character, a control code, a data length, a data domain, a check code and an end code.
The message format used by the communication protocol will now be described. The protocol data is represented in hexadecimal order with the low byte preceding and the high byte succeeding. Start domain: one byte, 0X 68; terminal logical address: BCD code, total 12-bit characters, is a unique identification number for a stake, example: the number 100119001401 of the electric pile corresponds to the address message 100119001401; master station address and command sequence number: reserving and supplementing 0000; command definition (CODE): i.e. message type, representing different functional requirements; data field: specific information data areas, different order definition correspond to different contents; checksum field: the remainder of the sum modulo 256 of all bytes from the start of the frame to the front of the check code, i.e. the binary arithmetic sum of each byte, disregards the overflow value exceeding 256; the end code is one byte, e.g., 0X 16.
Step S2, if not, the communication interaction rule and the charging data field of the charging pile terminal are obtained;
optionally, the instructions included in the charging data field at least include charging login, heartbeat, start-stop charging pile, charging data reporting and bill reporting instructions.
It should be noted that, in the present invention, the instructions included in the charging data field may only include charging login, heartbeat, start/stop charging pile, charging data reporting, and bill reporting instructions, and do not include other instructions. Charging login, heartbeat, starting and stopping of charging pile, charging data reporting and bill reporting are necessary to realize the instruction code.
In the implementation process, the instructions contained in the charging data field only comprise charging login, heartbeat, charging point starting and stopping, charging data reporting and bill reporting instructions, other instructions are not included, and the development and butt joint of the charging point protocol can be completed only by realizing 5 instructions.
Optionally, the instructions included in the charging data field may further include instructions for reporting a card number, reporting a VIN number, performing remote upgrade, unlocking a gun lock, and turning off a power supply.
And S3, packaging the communication interaction rule and the charging data field to obtain a packaging result, storing the packaging result, and communicating with a charging pile terminal according to the packaging result.
Here, the platform server stores the encapsulation result of the communication interaction rule and the charging data field, and can communicate with the charging pile terminal according to the encapsulation result.
Optionally, the encapsulation result is distinguished through different port numbers of the charging pile terminals.
Here, different charging pile terminal port numbers correspond to different encapsulation results, and the encapsulation results of the charging piles can be distinguished according to the difference of the port numbers corresponding to the charging piles.
Optionally, the encapsulation result is classified and stored according to the type of the charging pile.
Further, can be according to the model of filling electric pile, carry out classification storage to the encapsulation result, with the encapsulation result storage of the electric pile that fills of same model at a certain address, with the encapsulation result storage of the electric pile that fills of different models at another address, be convenient for distinguish the electric pile encapsulation result that fills of each model, for example, the encapsulation result storage that fills electric pile that is a certain brand is in same address together, realize that the later stage moves encapsulation result and this brand fill electric pile and realize communication, can realize supporting the independence of brand stake.
In the implementation process, communication interaction rules and charging data fields of charging pile terminals with different communication protocols are obtained; the communication interaction rules and the charging data fields are packaged to obtain a packaging result, the packaging result is stored, communication is carried out with a charging pile terminal according to the packaging result, when other charging piles containing different communication protocols are connected, only the necessary charging data fields and the necessary interaction rules need to be taken and packaged into compatible platforms, furthermore, the charging piles of different models are isolated through port numbers, compatibility of an operation platform can be guaranteed, and independence of brand piles is supported.
Optionally, in the charging process of the charging pile, the charging process is tracked and counted through the order number corresponding to the charging process.
It should be understood that the charging pile generates a unique order number in the charging process, and the charging process is tracked and counted through the order number corresponding to the charging process, so that the charging process can be tracked and counted when the communication protocol only comprises a general data field of the charging process and does not comprise other unnecessary redundant data, such as redundant data required to track and count the charging process.
In the implementation process, the charging process is tracked and counted through the order number corresponding to the charging process, and the tracking and counting are carried out through the unique order number in the whole charging process, so that the stability and the uniqueness of data interaction between the platform server and the charging pile terminal are ensured.
Example two:
the method for supporting the charging pile multiple communication protocols is applied to a platform server, the platform server is in communication connection with one or more charging pile terminals, the platform server stores communication protocols for communicating with the charging pile terminals, as shown in fig. 2, in the invention, the communication protocols pre-stored by the platform server can only include general data fields of a charging process and other redundant fields, and only include the general data fields of the charging process, so that unnecessary redundant data can be simplified, and the effect of optimizing the charging process is achieved.
The communication protocol stored by the platform server adopts the following message format: the system comprises an initial domain, a terminal logic address, a master station address and command sequence number, a frame start character, a control code, a data length, a data domain, a check code and an end code.
Fig. 2 shows a method for supporting multiple communication protocols of a charging pile, which includes:
step S00, the charging pile terminal sends a connection request to the platform server;
step S01, after the charging pile terminal is successfully connected with the platform server, the charging pile terminal sends a protocol data packet to the platform server in a pushing mode;
the charging pile terminal is connected to the platform server, an independent task mechanism is required to be set to detect the stability and reliability of communication connection, and a heartbeat packet is sent to the platform server periodically.
Step S02, the platform server checks the validity of the received protocol data packet;
it should be noted that: in the invention, the communication data message adopts a binary format, the charging pile terminal side automatically provides a connection request to the platform server side, after the connection is successful, a protocol data packet is sent to the platform server side by adopting a pushing mode, a single-packet transmission mode is uniformly adopted, a multi-packet transmission mode is not adopted, and the sending mode and the frequency of the charging pile terminal side can be set; the received data packet needs to be subjected to validity check, including validity check of a plurality of attributes such as communication length, check sum calculation, command generation and the like; the charging pile terminal needs to automatically maintain the validity of the communication connection state, and after initialization and disconnection, connection attempt is automatically carried out until connection is recovered; the heartbeat and state message information in the response mode is sent after being checked and inquired in the background; the message time sequence of normal charging pile and background communication is as follows:
1) the charging pile is successfully connected with the background, an A1 message is firstly sent to sign in, and the background responds to the charging pile with 21;
2) after the charging pile reports the A1 sign-in message, the messages of A4 heartbeat, A8 alarm and the like are sent to the platform server;
3) the charging pile executes corresponding control instructions of the background;
4) when the platform server and the charging pile receive the frame header of the message, the complete message is not received within 3 seconds, the frame header data of the time is automatically discarded, and then the next frame of message is continuously processed;
5) the sending end issues data or commands to the receiving end, the receiving end needs to reply within 5S, if the sending end does not receive the reply within 5S, the sending end needs to retransmit or perform other logic processing;
6) message fields reserved or not implemented in the protocol are suggested to be filled with 0 by default.
Step S10, judging whether the communication protocol of the charging pile terminal is consistent with the communication protocol stored by the platform server, if so, communicating with the charging pile terminal through the communication protocol stored by the platform server;
step S20, if not, the communication interaction rule and the charging data field of the charging pile terminal are obtained;
and S30, packaging the communication interaction rule and the charging data field to obtain a packaging result, storing the packaging result, and communicating with a charging pile terminal according to the packaging result.
Regarding the communication protocol of interaction between the charging pile and the platform, no national unified standard protocol exists at present. The communication protocol pre-stored by the platform server can only comprise a general data field of a charging process and does not comprise other redundant fields, unnecessary redundant data can be simplified, when other communication protocols are compatible, the data field of the protocol is sleeved in, the original protocol rule is kept, and then uniqueness distinguishing is carried out through port numbers, so that docking and development of different charging pile communication protocols can be completed.
Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and in the present invention, an electronic device 100 for implementing a method for supporting multiple communication protocols of a charging pile according to an embodiment of the present invention may be described by using the schematic diagram shown in fig. 3.
As shown in fig. 3, an electronic device 100 includes one or more processors 102, one or more memory devices 104, and the like, which are interconnected via a bus system and/or other type of connection mechanism (not shown). It should be noted that the components and structure of the electronic device 100 shown in fig. 3 are only exemplary and not limiting, and the electronic device may have some of the components shown in fig. 3 and may have other components and structures not shown in fig. 3 as needed.
The processor 102 may be a Central Processing Unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities, and may control other components in the electronic device 100 to perform desired functions.
The storage 104 may include one or more computer program products that may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, Random Access Memory (RAM), cache memory (cache), and/or the like. The non-volatile memory may include, for example, Read Only Memory (ROM), hard disk, flash memory, etc. On which one or more computer program instructions may be stored that may be executed by processor 102 to implement the functions of the embodiments of the invention described below (as implemented by the processor) and/or other desired functions. Various applications and various data, such as various data used and/or generated by the applications, may also be stored in the computer-readable storage medium.
The invention also provides a computer storage medium on which a computer program is stored, in which the method of the invention, if implemented in the form of software functional units and sold or used as a stand-alone product, can be stored. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer storage medium and used by a processor to implement the steps of the embodiments of the method. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer storage medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer storage media may include content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer storage media that does not include electrical carrier signals and telecommunications signals as subject to legislation and patent practice.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a to fill electric pile many communication protocol support method, its characterized in that is applied to platform server, platform server and one or more fill electric pile terminal communication connection, platform server stores the communication protocol with fill electric pile terminal communication, includes:
judging whether the communication protocol of the charging pile terminal is consistent with the communication protocol stored by the platform server or not, and if so, communicating with the charging pile terminal through the communication protocol stored by the platform server;
if the charging pile terminal is inconsistent with the charging pile terminal, acquiring a communication interaction rule and a charging data field of the charging pile terminal;
and packaging the communication interaction rule and the charging data field to obtain a packaging result, storing the packaging result, and communicating with a charging pile terminal according to the packaging result.
2. The method of claim 1, wherein the charging data field comprises at least one of charging log-in, heartbeat, start-stop charging pile, charging data reporting, and bill reporting instructions.
3. The method for supporting multiple communication protocols of charging piles according to claim 1, wherein the encapsulation result is distinguished by the difference of the port numbers of the respective charging pile terminals.
4. The method of claim 1, wherein the communication protocol stored by the platform server at least includes a general data field of the charging process.
5. The method for supporting multiple communication protocols of the charging pile according to claim 4, wherein in the charging process of the charging pile, the charging process is tracked and counted through an order number corresponding to the charging process.
6. The method of claim 2, wherein the charging data field further comprises instructions for reporting a card number, reporting a VIN code, performing remote upgrade, unlocking a gun lock, and turning off a power supply.
7. The method for supporting multiple communication protocols of the charging pile according to claim 3, wherein the encapsulation result is classified and stored according to a model of the charging pile.
8. The method for supporting multiple communication protocols of the charging pile according to claim 4, wherein the communication protocol stored by the platform server adopts a message format of: the system comprises an initial domain, a terminal logic address, a master station address and command sequence number, a frame start character, a control code, a data length, a data domain, a check code and an end code.
9. The method for supporting multiple communication protocols of a charging pile according to claim 1, wherein the step of determining whether the communication protocol of the charging pile terminal is consistent with the communication protocol stored in the platform server further comprises:
the charging pile terminal sends a connection request to the platform server;
after the charging pile terminal is successfully connected with the platform server, the charging pile terminal sends a protocol data packet to the platform server in a pushing mode;
and the platform server performs validity check on the received protocol data packet.
10. A computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method for supporting multiple communication protocols for charging piles according to any one of claims 1 to 9.
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| CN114124857A (en) * | 2021-11-23 | 2022-03-01 | 青岛特来电新能源科技有限公司 | Charging station message management system and method and electronic equipment |
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