CN112769866B - Multi-protocol adaptation system and method for charging pile - Google Patents
Multi-protocol adaptation system and method for charging pile Download PDFInfo
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Abstract
The invention discloses a multi-protocol adaptation system and a multi-protocol adaptation method for a charging pile, which reduce the technical workload of both charging pile equipment and an operation system, shorten the access construction period, improve the docking efficiency, facilitate the maximization of the efficiency of business processing, and facilitate the resource expansion and business expansion of the charging pile under a subsequent system. The invention comprises a model configurator, a protocol adaptation engine and a message processing service module. The implementation method of the invention standardizes and unifies the configuration of key processes and parameters through rule engine configuration, replaces complex protocol secondary development by multiplexing core parameters and differential configuration, and simultaneously, based on the model configuration of the charging pile equipment and the protocol, the protocol analysis of the charging pile can carry out automatic protocol matching through loading the model when the service is dynamically operated, and through establishing the configurable electric pile protocol model, the data redundancy and repeated analysis are reduced in message communication and protocol adaptation. The invention is applied to the technical field of new energy.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a multi-protocol adaptation system and method for a charging pile.
Background
Charging piles are widely used as charging infrastructure of new energy vehicles, in order to provide normal charging service for users, a charging pile management system needs to be matched with charging piles of various brands and different protocols for monitoring and management, and a traditional method generally comprises the following steps:
1. according to the communication protocol of the equipment provided by a charging pile manufacturer, the system carries out secondary development on a gateway communication layer and adapts to the equipment flow in the interactive flow, thereby completing service matching;
2. and providing a standard access protocol defined by the charging pile management system for a charging pile manufacturer, and carrying out secondary development on equipment programs by the charging pile manufacturer to completely adapt to the flow of the management system so as to finish access.
In any of the above manners, since one party needs to completely adapt to the interactive flow and data rule of the other party, the workload and complexity of the secondary development for the protocol are large, which results in a long access period and a high implementation cost.
In addition, for a secondary development mode suitable for a charging pile protocol, along with the continuous access of a charging pile, a communication framework of a charging pile management system becomes very bloated, the expansibility is reduced, the complexity of a gateway is increased, and the system is difficult to maintain.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a multi-protocol adaptation system and a method of a charging pile, which reduce the technical workload of both charging pile equipment and an operation system, shorten the access construction period, improve the docking efficiency, facilitate the maximization of the efficiency of business processing, and facilitate the resource expansion and business expansion of the charging pile under a subsequent system.
The technical scheme adopted by the invention is as follows: the multi-protocol adaptation system of the charging pile comprises a model configurator, a protocol adaptation engine and a message processing service module;
the model configurator is used for configuring an interaction model according to a protocol of the charging pile equipment and necessary fields of a charging process, establishing mapping between the protocol accessed to the charging pile and a system standard model, and ensuring that key business data and data of the process are mapped consistently;
the protocol adaptation engine is used for uniformly extracting, judging, analyzing and processing various protocols in the model configurator, and after processing, performing partition caching and flow triggering on service flows and data of different charging piles;
and the message processing service module is used for assembling the messages cached by the protocol adaptation engine in the protocol formats of different charging piles according to the mapping relation of the model configurator and issuing the assembled messages after triggering the process rules.
The implementation method of the multi-protocol adaptation system of the charging pile comprises the following steps:
step 1: taking a national standard communication protocol of a charging pile as a reference, extracting a core flow and key parameters of a charging service, establishing a standard rule model for protocol analysis of the charging pile on the basis of a DROOLS tool, and providing componentization and visual packaging to serve as a model configurator;
step 2: establishing a protocol adaptation engine for carrying out dynamic analysis on a charging pile protocol based on a J2EE connector architecture (JCA), and automatically loading configuration parameters of a model adapter by the engine to serve as a protocol analysis standard;
and step 3: loading a protocol object of the charging pile through the annotation of the SpringBoot and the dependence injection mechanism, and realizing protocol loading and analysis through the corresponding matching of a protocol object main body and the charging pile equipment model;
and 4, step 4: establishing Socket server service, establishing cluster service as message communication gateway for collecting charging pile uplink message, assembling service processing message into new downlink message through adapter, and sending to charging pile for message interactive route distribution;
and 5: inputting basic information such as brand, model and the like of a charging pile to be accessed into a system, performing differential configuration on a model configurator according to the difference between a communication protocol and a standard rule model, correspondingly filling in key parameters, and optionally filling in non-key parameters;
and 6: distributing equipment model ID and authentication key distributed by a background for the charging pile to be accessed, and authorizing an uplink instruction set and a downlink instruction set;
and 7: configuring network access parameters for the charging piles, and acquiring uplink messages of the equipment through message processing services after the equipment is networked;
and 8: the message processing service transmits the uplink message to an adaptation engine according to different channels according to the corresponding relation of the charging pile equipment model ID, the adaptation engine performs complete protocol analysis according to rule configuration parameters and transmits the protocol analysis to upper-layer service processing, key parameters are taken as the main part and non-key parameters are taken as the auxiliary part in the analysis process, and parameter configuration is perfected through a model configurator so as to ensure key services and parameter response;
and step 9: and the adaptation engine acquires corresponding processing feedback through upper-layer services, assembles the processing feedback into protocol formats of different charging piles according to rule configuration, and sends the protocol formats of different charging piles to the charging piles through the message processing service module, so that normal communication flow interaction is completed.
The invention has the beneficial effects that:
1. the key processes and the configuration of the parameters are standardized and unified through the rule engine configuration, the complex protocol secondary development is replaced by the multiplexing of the core parameters and the differentiated configuration, the technical workload of both the charging pile equipment and the operation system is greatly reduced, the access construction period is shortened, and the docking efficiency is improved;
2. based on the modeling configuration of the charging pile equipment and the protocol, the protocol analysis of the charging pile can perform automatic protocol matching through a loading model when the business runs dynamically, so that the operation management system can support the charging pile more flexibly and is convenient to manage, and the efficiency of business processing is facilitated to be maximized;
3. by establishing the configurable electric pile protocol model, data redundancy and repeated analysis are reduced in message communication and protocol adaptation, the communication efficiency of the operation management system and the charging pile is greatly improved, and resource expansion and service expansion of the charging pile under a subsequent system are facilitated.
Drawings
FIG. 1 is a communication diagram of different charging piles and a charging management system based on TCP/IP protocol according to the implementation of the present invention;
fig. 2 is an internal flow diagram of a multi-protocol adapter of a charge management system provided by an implementation of the present invention;
FIG. 3 is an implementation class dependency diagram of a multi-protocol adapter provided by an implementation of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
1. Intelligent device terminal and server communication mode introduction
Fig. 1 is a schematic communication diagram of a charging pile and a multi-protocol adaptation system based on a TCP/IP protocol according to an embodiment of the present invention, as shown in fig. 1, including: (from bottom to top)
Reference numeral 101: indicating one or more different brands of charging piles (e.g., dc charging piles, ac charging piles, etc.);
reference numeral 102: the processing service module is used for processing communication messages between the charging pile and the platform;
reference numeral 103: the model configuration component is used for configuring charging pile parameter rules and establishing a multi-protocol matching relationship;
reference numeral 104: the engine component is used for dynamically analyzing and processing the charging pile messages through the parameters of the model configurator;
reference numeral 105: and the upper layer business application of the charging pile management system generates interaction with the charging pile through the multi-protocol adaptation system.
2. Internal flow diagram for multi-protocol adapter
Fig. 2 is an internal flowchart of a multi-protocol adapter for charging pile access adaptation provided in the embodiment of the present invention, including:
201, carrying out rule definition on a charging pile protocol;
202, configuring key service parameters through a model configurator;
203, configuring uplink and downlink instructions to call auxiliary services;
204, registering the model to a protocol adaptation engine;
205, charging pile equipment model and key distribution;
206, charging pile network access login authentication;
207, collecting charging pile uplink messages;
208, matching a protocol model according to the model of the charging pile;
209, analyzing the message according to the matching protocol;
210, the adaptation engine processes the message and then assembles a downlink message;
and 211, pushing the downlink message to the charging pile.
The specific flow is described as follows:
step 209, the adaptation engine analyzes and processes the message according to the matched protocol, and uploads the message to the upper application;
in step 211, the message processing service sends the assembled new message to the charging pile.
3. Implementing class dependency graph for multi-protocol adapters
Fig. 3 is a diagram illustrating a dependency relationship of implementation classes of a multi-protocol adapter according to an embodiment of the present invention, and as shown in fig. 3, a gateway adapter class gateway filter adapter is a unified processing component for loading and adaptive parsing of a protocol configuration model, loads standard and differential parameter configuration instances (ShortConfigurable and specific serviceconfigurable) by using a LoadConfig method, calls a multi-protocol decoder multiprotocol encoder to perform respective processing into unified standardized configurations, and pushes the standardized configurations to an upper layer application, then performs splitting processing and combining assembly on various device messages fed back by the upper layer application, pushes upper layer response messages to a cache by using a handResponse method of an intelligent parsing service, and performs routing conversion and push response by a distribution gateway.
Example business process classes: the system comprises a multiprotocol decoder class MultiProtocol Encoder, a main parameter information service class ShortConfigrable, a differentiated parameter information service class SpecifyServiceConfigrable, a standard protocol interface Standard protocol interface, an intelligent analytic service class IntelligentParsingservice, a gateway filter class OrderGateWayway Filter, a message caching processing class MessageCacheProcessor and a route distribution gateway class DistributionRoutegPortay.
While the embodiments of the invention have been described in terms of practical embodiments, they are not to be construed as limiting the invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present disclosure.
Claims (1)
1. A method for realizing a multi-protocol adaptation system of a charging pile comprises a model configurator, a protocol adaptation engine and a message processing service module, and is characterized in that: the method comprises the following steps:
step 1: taking a national standard communication protocol of a charging pile as a reference, extracting a core flow and key parameters of a charging service, establishing a standard rule model for protocol analysis of the charging pile on the basis of a DROOLS tool, and providing componentization and visual packaging to serve as a model configurator;
and 2, step: establishing a protocol adaptation engine for carrying out dynamic analysis on a charging pile protocol based on a J2EE connector architecture JCA, and automatically loading configuration parameters of a model adapter by the engine to serve as a protocol analysis standard;
and step 3: loading a protocol object of the charging pile through the annotation of the SpringBoot and the dependence on an injection mechanism, and realizing protocol loading and analysis through the corresponding matching of a protocol object main body and the charging pile equipment model;
and 4, step 4: establishing Socket server service, establishing cluster service as message communication gateway for collecting charging pile uplink message, assembling service processing message into new downlink message through adapter, and sending to charging pile for message interactive route distribution;
and 5: inputting basic information of the brand and model of the charging pile to be accessed into a system, performing differential configuration on a model configurator according to the difference between a communication protocol and a standard rule model, correspondingly filling in key parameters, and selectively filling in non-key parameters;
step 6: distributing equipment model ID and authentication key distributed by a background for the charging pile to be accessed, and authorizing an uplink instruction set and a downlink instruction set;
and 7: configuring network access parameters for the charging piles, and acquiring uplink messages of the equipment through message processing services after the equipment is networked;
and 8: the message processing service transmits the uplink message to an adaptation engine according to different channels according to the corresponding relation of the charging pile equipment model ID, the adaptation engine performs complete protocol analysis according to rule configuration parameters and transmits the protocol analysis to upper-layer service processing, key parameters are taken as the main part and non-key parameters are taken as the auxiliary part in the analysis process, and parameter configuration is perfected through a model configurator so as to ensure key services and parameter response;
and step 9: and the adaptation engine acquires corresponding processing feedback through upper-layer services, assembles the processing feedback into protocol formats of different charging piles according to rule configuration, and sends the protocol formats of different charging piles to the charging piles through the message processing service module, so that normal communication flow interaction is completed.
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