CN110601892B - Main module access method, device and equipment based on object-oriented protocol - Google Patents
Main module access method, device and equipment based on object-oriented protocol Download PDFInfo
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- CN110601892B CN110601892B CN201910881845.9A CN201910881845A CN110601892B CN 110601892 B CN110601892 B CN 110601892B CN 201910881845 A CN201910881845 A CN 201910881845A CN 110601892 B CN110601892 B CN 110601892B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- H—ELECTRICITY
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- 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
Abstract
The invention discloses a main module access method, a device, equipment and a computer readable storage medium based on an object-oriented protocol, which are applied to terminal equipment and comprise the following steps: after the object definition of the main module and the IP definition of the interface between the terminal equipment and the main module are finished, when the system accesses the main module, receiving and judging whether the IP sent by the system is the address of the terminal equipment; if the address is not the self address of the terminal equipment, forwarding data information corresponding to the IP address to a corresponding target main module port according to corresponding routing information in the terminal equipment so that the target main module can conveniently execute the operation corresponding to the data information to obtain operation data; and receiving the operation data returned by the target main module, and returning the operation data to the system according to the routing information. The method, the device, the equipment and the computer readable storage medium provided by the invention define the main module based on the object-oriented protocol and realize the access of the system to the main module under the condition of no protocol conversion.
Description
Technical Field
The invention relates to the technical field of smart grid communication, in particular to a main module access party, a device, equipment and a computer readable storage medium based on an object-oriented protocol.
Background
In the smart grid, a main module is a terminal device downlink communication module, a downlink main module on the terminal device is mainly responsible for management of a downlink network, and if the main module can be directly accessed, the network between the terminal and a smart meter can be monitored and managed.
In a foreign intelligent power grid communication architecture, terminal equipment is mostly used as a gateway (gateway) mode, and a system can not sense the gateway, so that a main module on a terminal is not independently managed and monitored; in the domestic three-layer smart grid communication architecture, the terminal device has a gateway function and needs to perform data acquisition, the terminal device is used as an independent device for management and monitoring, a downlink main module on the terminal device is mainly responsible for management of a downlink network, and if the main module can be directly accessed, the network between the terminal and the smart meter can be monitored and managed, such as network topology, network parameter management and the like, so that the network operation and maintenance of the smart grid are facilitated. In the intelligent power grid, a main module is a downlink communication module of the terminal equipment
At present, the communication architecture of the foreign smart grid is mainly oriented to the communication between a system and a smart meter, so that the related access design of a main module is vacant; although there is a main module access related definition in China, the access operation to the module and the devices such as the terminal and the smart meter are relatively independent systems, and the terminal devices are required to be converted, for example, a process-oriented protocol stage is adopted in China, the terminal adopts a DL/T376.1 protocol, the meter adopts a DL/T645 protocol, and the main module and the terminal interface protocol adopt a DL/T376.2 protocol; in the latest domestic object-oriented protocol stage, the terminal and the smart meter adopt DL/T698.45 protocol, and the main module and the terminal interface protocol adopt DL/T376.2 protocol. And the DL/T376.2 protocol is not uniform with other protocols, and the main station side of the system can access the main module of the terminal after the terminal needs to convert the protocols.
The existing access definitions of the main modules are all based on process-oriented definitions, and protocol conversion is needed in the access process, so that system access and unified access to the smart grid devices are inconvenient. The traditional main module protocol adopts a process-oriented protocol for access, and the protocol mode is not flexible enough and has poor expandability. In addition, the protocol adopted by the main module is different from the protocols corresponding to other devices in the smart grid, and therefore when the main system station accesses the main module, the terminal devices also need to convert the protocols, so that if the main module is added with relevant definitions, the terminal devices also need to be correspondingly expanded and upgraded, the coupling among the devices is high, and management is not facilitated.
From the above, it can be seen that how to realize the access of the system master to the master without performing protocol conversion is a problem to be solved at present.
Disclosure of Invention
The invention aims to provide a main module access method, a device, equipment and a computer readable storage medium based on an object-oriented protocol, so as to solve the problem that the operation and maintenance of a smart grid network are inconvenient because protocol conversion is required when a system main station accesses a main module in the prior art.
In order to solve the above technical problem, the present invention provides a main module access method based on an object-oriented protocol, which is applied to a terminal device, and includes: after the object definition of a main module in the smart grid and the IP definition of an interface between the terminal device and the main module are completed, when a system main station in the smart grid accesses the main module, receiving an IP address sent by the system main station; judging whether the IP address is the IP address of the terminal equipment; if the IP address is not the IP address of the terminal equipment, forwarding data information corresponding to the IP address to a target main module port corresponding to the IP address according to corresponding routing information in the terminal equipment so that the target main module can execute operation corresponding to the data information to obtain operation data; and receiving the operation data returned by the target main module, and returning the operation data to the system main station according to the routing information.
Preferably, the determining whether the IP address is the IP address of the terminal device itself further includes:
and if the IP address is the IP address of the terminal equipment, analyzing the data information corresponding to the IP address, executing target operation obtained after analyzing the data information corresponding to the IP address, generating a target operation result, and returning the target operation result to the system main station.
Preferably, the data information corresponding to the IP address includes: and topology information and version information corresponding to the IP address.
Preferably, the object definition process of the master module in the smart grid includes:
and performing object definition on the main modules in the smart grid according to a DL/T698.45 protocol.
Preferably, the object definition of the master module in the smart grid according to the DL/T698.45 protocol includes:
and performing object definition on the main module in the smart grid by adopting an object definition mode defined by a class + subclass + attribute.
The invention also provides a main module access device based on the object-oriented protocol, which is applied to terminal equipment and comprises the following components:
the terminal equipment comprises a receiving module and a processing module, wherein the receiving module is used for receiving an IP address sent by a system main station in the smart grid when the system main station accesses the main module after the object definition of the main module in the smart grid and the IP definition of an interface between the terminal equipment and the main module are completed;
the judging module is used for judging whether the IP address is the IP address of the terminal equipment;
a forwarding module, configured to forward, according to corresponding routing information in the terminal device, data information corresponding to the IP address to a port of a target main module corresponding to the IP address if the IP address is not the IP address of the terminal device itself, so that the target main module executes an operation corresponding to the data information to obtain operation data;
and the return module is used for receiving the operation data returned by the target main module and returning the operation data to the system main station according to the routing information.
Preferably, the determining module further includes:
and the analysis module is used for analyzing the data information corresponding to the IP address if the IP address is the IP address of the terminal equipment, executing target operation obtained after analyzing the data information corresponding to the IP address, generating a target operation result and returning the target operation result to the system main station.
Preferably, the object definition process of the master module in the smart grid includes:
and performing object definition on the main modules in the smart grid according to a DL/T698.45 protocol.
The present invention also provides a master module access device based on an object-oriented protocol, including:
a memory for storing a computer program; a processor for implementing the steps of the above-mentioned object-oriented protocol based master module access method when executing the computer program.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, implements the steps of the above-mentioned method for accessing a master module based on an object oriented protocol.
The main module access method based on the object-oriented protocol provided by the invention defines the interface between the terminal equipment and the main module in an IP manner after the main module is defined by the object-oriented protocol. And after the main module object definition and the interface IP definition are completed, the system main station of the intelligent power grid sends an IP address to the terminal equipment. And after receiving the IP address, the terminal equipment judges whether the IP address is the IP address of the terminal equipment. And if the IP address is not the IP address of the terminal equipment, forwarding the data information corresponding to the IP address to a target main module port corresponding to the IP address according to corresponding routing information in the terminal equipment so that the target main module can execute the operation corresponding to the data information to obtain operation data. And after receiving the operation data sent by the main module, the terminal equipment returns the operation data to the system main station according to the routing information. The method provided by the invention proposes the object-oriented design for the main module access protocol, and has high flexibility and expandability compared with the process-oriented design. Aiming at the problem that the terminal equipment needs to carry out protocol conversion in the prior art, the invention can abandon the protocol conversion process and provides the interface definition of the terminal and the main module based on IP; the access of the system master station to the parameters of the main module is facilitated, the system master station, the terminal equipment and the main module are communicated, and the latitude and the efficiency of the system master station to the network operation and maintenance are also facilitated.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a flowchart of a first embodiment of a master module access method based on an object-oriented protocol according to the present invention;
FIG. 2 is a diagram illustrating IP definition of an interface between a terminal device and a main module;
FIG. 3 is a flowchart of a second embodiment of a master module access method based on an object-oriented protocol according to the present invention;
fig. 4 is a block diagram of a primary module access device based on an object-oriented protocol according to an embodiment of the present invention.
Detailed Description
The core of the present invention is to provide a method, an apparatus, a device and a computer readable storage medium for accessing a main module based on an object-oriented protocol, which perform object definition on the main module based on the object-oriented protocol and perform IP definition on an interface between a terminal device and the main module, thereby realizing the access of a system to the main module without protocol conversion.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a primary module access method based on an object oriented protocol according to a first embodiment of the present invention. The method provided by the embodiment is applied to the terminal equipment, and comprises the following specific operation steps:
step S101: after the object definition of a main module in the smart grid and the IP definition of an interface between the terminal device and the main module are completed, when a system main station in the smart grid accesses the main module, receiving an IP address sent by the system main station;
in this embodiment, one or two master modules may be included in the smart grid.
Object-oriented protocol design includes two types of protocols: one is the IEC 62056 system, and the other is the DL/T698.45 system. Compared with the two object definitions, the IEC 62056 system object definition is 9 bytes in length; the DL/T698.45 object defines the length of 4 bytes, DL/T698.45 is more suitable for the design of domestic three-layer communication architecture, and the communication efficiency is relatively high. The object definition corresponding to DL/T698.45 is more in line with the object-oriented design direction of the main module, and the main module also adopts 4-byte definition. The object definition in the DL/T698.45 protocol adopts the Class + OI + attribute, but OI in the definition does not clearly distinguish the object classification, and when the main module is defined, the Class + subclass + attribute is adopted.
Wherein class is used for distinguishing different classes, such as MAC layer setup class, 6 WPAN adaptation layer setup class, etc.; the subclass includes two bytes, each nibble represents a different range for clearly distinguishing object classifications, and the first nibble represents a channel, for example, a first channel and a second channel when two main modules are located under a terminal device. The attributes define attribute information that the object can support. The Class + subclass + attribute uniquely identifies an object.
After the object definition of the main module is completed, in order to facilitate the direct access of the main module by the system main station, the terminal device does not need to perform protocol conversion, and an interface of the main module and the terminal based on IP needs to be defined. As shown in FIG. 2, the terminal and the main module IP interface correspond to DI1< - > CI 4. The terminal device and the main module respectively have independent IP addresses and are used as two independent devices for operation and access, and if the main module is operated, the corresponding IP address corresponding to the main module is adopted for corresponding addressing.
Step S102: judging whether the IP address is the IP address of the terminal equipment;
step S103: if the IP address is not the IP address of the terminal equipment, forwarding data information corresponding to the IP address to a target main module port corresponding to the IP address according to corresponding routing information in the terminal equipment so that the target main module can execute operation corresponding to the data information to obtain operation data;
step S104: and receiving the operation data returned by the target main module, and returning the operation data to the system main station according to the routing information.
In this embodiment, the system master station uses the IP address of the main module to select an address, and since the terminal serves as the route of the main module, the terminal device receives the system data first. And when the terminal equipment judges that the IP address is not outside the terminal, the data information corresponding to the IP is forwarded to the corresponding main module port according to the route according to the corresponding route information in the terminal equipment. And the system master station accesses the main module to receive the execution object operation aiming at the data access of the system master station, and performs data reply according to the source IP address. The main module returns data to the terminal equipment according to the route; and the terminal equipment forwards data to the system main station according to the routing information, so that the system main station receives a data reply correspondingly accessing the main module.
In the above operation, the terminal device does not parse the application layer data of the main module, but only performs corresponding routing forwarding. If the functions of the main module are increased, the program corresponding to the terminal equipment does not need to be updated, and the coupling performance of the main module and the terminal equipment is low. In addition, for the system master station, the object-oriented protocol design is more advantageous in flexibility and expandability, if all the devices in the smart grid adopt the object-oriented communication protocol, and the system master station unifies a set of object-oriented application layer contents, the whole smart grid can be communicated with a set of all-network protocols from the system to the terminal to the meter, so that the convenient access to the parameters of the main module is realized, and the latitude and the efficiency of the system master station on the network operation and maintenance are facilitated. The terminal and module interface definition based on IP is convenient for subsequent application of the ubiquitous Internet of things, the ubiquitous Internet of things can be independently accessed for each device in a power grid, and the IPv6 massive address information and corresponding safety application are the optimal selection for meeting the ubiquitous Internet of things.
Based on the foregoing embodiment, in this embodiment, when the terminal device determines that the received IP address is the own IP address, the terminal device analyzes the data information corresponding to the IP address, performs a target operation obtained after analyzing the data information corresponding to the IP address, generates a target operation result, and returns the target operation result to the system master station. Referring to fig. 3, fig. 3 is a flowchart illustrating a second embodiment of a master module access method based on an object oriented protocol according to the present invention. The method provided by the embodiment specifically comprises the following operation steps:
step S301: after the main module in the smart grid is subjected to object definition by adopting an object definition mode defined by class + subclass + attribute, the interface between the main module and the terminal equipment in the smart grid is subjected to IP definition;
step S302: when a system master station in the smart grid accesses a master module, the terminal equipment receives an IP address sent by the system master station;
step S303: the terminal equipment judges whether the IP address is the IP address of the terminal equipment;
step S304: if the IP address is the IP address of the terminal equipment, the terminal equipment analyzes the data information corresponding to the IP address, executes target operation obtained after analyzing the data information corresponding to the IP address, generates a target operation result and returns the target operation result to the system main station;
step S305: if the IP address is not the IP address of the terminal equipment, according to corresponding routing information in the terminal equipment, the terminal equipment forwards data information corresponding to the IP address to a target main module port corresponding to the IP address, so that the target main module executes an operation corresponding to the data information to obtain operation data;
step S306: and the terminal equipment receives the operation data returned by the target main module and returns the operation data to the system main station according to the routing information.
The method provided by the embodiment proposes that an object-oriented design mode is adopted for a main module on the terminal equipment, and the object-oriented flexibility and expandability are higher; the method comprises the steps of providing a main module object-oriented design scheme on the basis of the current object-oriented scheme, and providing different downlink network communication defining modes, so that understanding and management are facilitated; in the embodiment, in order to facilitate the system master station to access the main module, and to get through the system-terminal-main module without the need of the terminal to perform protocol conversion, an interface definition of the terminal and the main module based on IP is also provided.
Referring to fig. 4, fig. 4 is a block diagram illustrating a structure of a primary module access device based on an object-oriented protocol according to an embodiment of the present invention. The apparatus provided in this embodiment is applied to a terminal device, and the specific apparatus may include:
the receiving module 100 is configured to receive an IP address sent by a system master station in the smart grid when the system master station accesses the master module after completing object definition of the master module in the smart grid and IP definition of an interface between the terminal device and the master module;
a judging module 200, configured to judge whether the IP address is an IP address of the terminal device itself;
a forwarding module 300, configured to forward, according to corresponding routing information in the terminal device, data information corresponding to the IP address to a port of a target primary module corresponding to the IP address if the IP address is not the IP address of the terminal device itself, so that the target primary module executes an operation corresponding to the data information, and obtains operation data;
a returning module 400, configured to receive the operation data returned by the target master module, and return the operation data to the system master station according to the routing information.
The main module accessing device based on the object-oriented protocol according to this embodiment is configured to implement the aforementioned main module accessing method based on the object-oriented protocol, and therefore specific embodiments of the main module accessing device based on the object-oriented protocol may be found in the foregoing embodiments of the main module accessing method based on the object-oriented protocol, for example, the receiving module 100, the determining module 200, the forwarding module 300, and the returning module 400 are respectively configured to implement steps S101, S102, S103, and S104 in the above main module accessing method based on the object-oriented protocol, so that the specific embodiments thereof may refer to descriptions of corresponding respective partial embodiments, and are not described herein again.
The specific embodiment of the present invention further provides a master module access device based on an object-oriented protocol, including: a memory for storing a computer program; a processor for implementing the steps of the above-mentioned object-oriented protocol based master module access method when executing the computer program.
The specific embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the steps of the above-mentioned access method for the main module based on the object-oriented protocol.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The object-oriented protocol based master module access method, apparatus, device and computer-readable storage medium provided by the present invention have been described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A main module access method based on an object-oriented protocol is applied to terminal equipment and comprises the following steps:
after the object definition of a main module in the smart grid and the IP definition of an interface between the terminal device and the main module are completed, when a system main station in the smart grid accesses the main module, receiving an IP address sent by the system main station;
judging whether the IP address is the IP address of the terminal equipment;
if the IP address is not the IP address of the terminal equipment, forwarding data information corresponding to the IP address to a target main module port corresponding to the IP address according to corresponding routing information in the terminal equipment so that the target main module can execute operation corresponding to the data information to obtain operation data;
receiving the operation data returned by the target main module, and returning the operation data to the system main station according to the routing information:
the object definition process of the main module in the smart grid comprises the following steps: and performing object definition on the main modules in the smart grid according to a DL/T698.45 protocol.
2. The method of claim 1, wherein the determining whether the IP address is the terminal device's own IP address further comprises:
and if the IP address is the IP address of the terminal equipment, analyzing the data information corresponding to the IP address, executing target operation obtained after analyzing the data information corresponding to the IP address, generating a target operation result, and returning the target operation result to the system main station.
3. The method of claim 1, wherein the data information corresponding to the IP address comprises: and topology information and version information corresponding to the IP address.
4. The method according to claim 1, wherein the object defining the master modules in the smart grid according to the DL/T698.45 protocol comprises:
and performing object definition on the main module in the smart grid by adopting an object definition mode defined by a class + subclass + attribute.
5. A master module access device based on object oriented protocol is applied to terminal equipment and comprises:
the terminal equipment comprises a receiving module and a processing module, wherein the receiving module is used for receiving an IP address sent by a system main station in the smart grid when the system main station accesses the main module after the object definition of the main module in the smart grid and the IP definition of an interface between the terminal equipment and the main module are completed;
the judging module is used for judging whether the IP address is the IP address of the terminal equipment;
a forwarding module, configured to forward, according to corresponding routing information in the terminal device, data information corresponding to the IP address to a port of a target main module corresponding to the IP address if the IP address is not the IP address of the terminal device itself, so that the target main module executes an operation corresponding to the data information to obtain operation data;
the return module is used for receiving the operation data returned by the target main module and returning the operation data to the system main station according to the routing information;
the object definition process of the main module in the smart grid comprises the following steps: and performing object definition on the main modules in the smart grid according to a DL/T698.45 protocol.
6. The apparatus of claim 5, wherein the determining module further comprises:
and the analysis module is used for analyzing the data information corresponding to the IP address if the IP address is the IP address of the terminal equipment, executing target operation obtained after analyzing the data information corresponding to the IP address, generating a target operation result and returning the target operation result to the system main station.
7. A master module access device based on an object oriented protocol, comprising:
a memory for storing a computer program;
processor for implementing the steps of an object oriented protocol based master module access method according to any of claims 1 to 4 when executing said computer program.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps of an object-oriented protocol based master module access method according to any one of claims 1 to 4.
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