CN111459534A - Application system architecture of energy information gateway - Google Patents
Application system architecture of energy information gateway Download PDFInfo
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- CN111459534A CN111459534A CN201910049082.1A CN201910049082A CN111459534A CN 111459534 A CN111459534 A CN 111459534A CN 201910049082 A CN201910049082 A CN 201910049082A CN 111459534 A CN111459534 A CN 111459534A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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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
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Abstract
The invention provides an application system architecture of an energy information gateway, which is mainly applied to an energy information gateway management platform, and comprises the following components from top to bottom: an application layer, a platform layer and a dynamic library layer; each layer executes specific functions in an application system architecture, and the interior of each layer is divided into different business function modules or class library bodies according to business logic; and different layers communicate with each other to realize the service function of the energy information gateway. The invention solves the problems of high program coupling and poor independence in the existing energy gateway system, realizes the separation of program functions, improves the independence of programs, improves the stability of system operation by communicating different programs through system messages or local sockets, improves the utilization rate of codes, reduces the cost of subsequent upgrading or changing of the whole application system, and improves the efficiency of upgrading or changing.
Description
Technical Field
The present invention relates to a system architecture, and more particularly, to an application system architecture of an energy information gateway.
Background
In recent years, under the aim of low-carbon emission, energy conservation and sustainable development, the intelligent energy gateway is rapidly developed, and how to efficiently, safely, economically and scientifically manage the utilization of electric energy becomes a focus and development direction of the electric energy industry. The intelligent electric energy gateway is used as an important component of an intelligent power grid and plays an increasingly important role in development and construction of the intelligent power grid.
The energy gateway application system combines the modern computer network technology, the modern communication technology and the energy operation and maintenance management service, and can realize the functions of monitoring, acquiring and displaying, storing and processing data, communicating data and the like of the energy consumption of a user. The application system architecture of the existing energy information gateway mainly includes two types, one type is that all functional modules of an application program are in a general program of a process, the general program generally includes various functions such as meter reading, data processing, data reporting, log, event reporting, system detection and the like, and the general application system structure is as shown in fig. 1. The second is that all the functional modules in the application program are independent into a single program, i.e. one functional module is used as an independent process, and then the architecture of the application system is as shown in fig. 2, and each program directly calls the interface of the operating system, and the program architecture is relatively simple.
The above prior art has certain defects, which mainly include:
all functional modules are integrated in one or a few programs, and the interior of the programs is numerous and complicated, so that code development is inconvenient;
too high program code coupling results in poor module independence;
if a certain thread in the program has a problem and needs to be restarted, the whole program is restarted, and the continuity of the long-time running of the program is not met.
Modules with special functions are not independently packaged, so that the code reuse rate is low;
if the application system needs to be upgraded, all programs need to be adjusted every time a small place is changed, so that the program upgrading efficiency is low;
therefore, how to solve the above problems is a technical problem which needs to be solved urgently at present.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide an application system architecture method for an energy information gateway, which is used to solve the problems of the prior art, such as complicated program, low code reuse rate, low program upgrading efficiency, and poor program independence.
In order to achieve the above and other related objects, the present invention provides an application system architecture of an energy information gateway, which is mainly applied to a management platform of the energy information gateway, and the application system architecture of the energy information gateway at least includes, from top to bottom, an application layer, a platform layer, and a dynamic library layer: the application layer is used for placing an application program of the energy gateway, receiving and processing a user instruction and realizing each functional module of the energy information gateway; the platform layer is used for placing a general function program of the energy gateway and providing support for the realization of an application program in the upper platform layer, and the application layer program calls a corresponding program of the platform layer to communicate with the hardware of the management platform; and the dynamic library layer is used for placing various library functions for the application layer and/or the platform layer of the upper layer to call.
In an embodiment of the present invention, the application module and the application module of the application layer communicate with each other through a system message or a local socket.
In an embodiment of the present invention, the application module of the application layer calls the corresponding function program of the platform layer through a system message or a local socket.
In an embodiment of the present invention, the application layer and/or the platform layer freely call the class library function in the dynamic library layer through a program interface.
In an embodiment of the present invention, the application program of the application layer includes a gateway management type program and a gateway service processing type program.
In an embodiment of the invention, the gateway management program includes an energy gateway management program and a gateway configuration program.
In an embodiment of the present invention, the gateway service processing class program includes: the system comprises a load curve program, a meter reading program, a control unit program, a data encryption and time synchronization program, an internet access program and a database management program.
In an embodiment of the present invention, the function programs of the platform layer include a platform management type program and a platform function type program.
In an embodiment of the present invention, the hypervisor of the platform layer includes a resource and access control program, an integrated detection processing program, and a process task scheduler.
In an embodiment of the present invention, the platform service processing class program includes a firmware upgrade processing program and a conventional detection processing program.
In an embodiment of the present invention, the dynamic library layer includes an encryption/decryption library, a communication protocol library, a hypertext transfer protocol data packing processing library, a transport layer security protocol communication library, an encryption chip access and control library, an xml protocol packing and parsing library, a database access library, an encryption and signature certificate management library, and an ic card interface access and control library.
In an embodiment of the present invention, the dynamic library layer further includes a system log library, a system configuration library, and a compression/decompression library.
As described above, the application system architecture of the energy information gateway of the present invention has the following beneficial effects:
1. after the application program is separated, the program function is clear, a single program is convenient and easy to maintain, subsequent development and maintenance personnel are easy to operate, and management and control of source codes are facilitated;
2. after the application program is separated, the special codes are all packaged to form a unified platform library, so that the subsequent process efficiency is greatly improved, and an effective reference can be provided for other projects;
3. when the whole system needs to be upgraded, only the functional program needing to be upgraded needs to be upgraded, but not the whole application program package, so that the time and the network maintenance cost brought by upgrading are greatly saved;
4. after the application program is layered and separated, the code coupling is greatly reduced, and the operability of an independent module is improved;
5. if a certain program has errors and needs to be restarted in the running process of the system, the process scheduling program in the energy gateway application system can detect the program and restart the abnormal program, so that the whole gateway can not be halted or all application programs need to be restarted, and the long-time running of the gateway is ensured;
6. after application program layering separation, the energy gateway product is enabled to better meet the requirement of BSI (British Standard Association) certification test, and the applicability of the product in countries such as European Union is improved.
Drawings
Fig. 1 is a schematic diagram of a conventional energy information gateway application system architecture 1 according to the present invention.
Fig. 2 is a schematic diagram of a conventional energy information gateway application system architecture 2 according to the present invention.
Fig. 3 is a schematic structural diagram of an energy information gateway application system architecture according to the present invention.
Fig. 4 is a schematic application layer diagram of an energy information gateway application system architecture according to the present invention.
Fig. 5 is a schematic diagram of a platform layer of an energy information gateway application system architecture according to the present invention.
Fig. 6 is a schematic diagram of a dynamic library layer of an energy information gateway application system architecture according to the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
Referring to fig. 1, the present invention provides an application architecture of an energy information gateway, which includes, from top to bottom: an application layer, a platform layer and a dynamic library layer; each layer contains different functional modules inside.
1. An application layer: the business logic layer is used for placing various application programs and realizing the definition and the realization of various business logics. The application program is divided into a gateway management program and a gateway service processing program, wherein the gateway management program comprises:
a) gateway management program 1: the management program of the energy gateway is responsible for parameter maintenance, remote awakening and communication link connection;
b) gateway management program 2: the system is used for event management, program upgrading and other functions of the energy gateway;
c) a configuration program: the functions of local parameter maintenance, external hardware test and the like of the energy gateway are realized.
The gateway service processing program of the application layer comprises:
a) energy gateway load curve program: the energy load management system is used for managing generation and report of an energy load curve in the energy gateway;
b) and (3) meter reading program: reading the data of the electric energy meter in the energy gateway through a high-speed RS485 port (the speed is 921600bps),
providing interfaces for acquiring the data of the electric energy meter by other application layer programs;
c) the control unit program: the energy gateway is used for communicating with an energy control unit (GCU) in the energy gateway and intelligently controlling electric equipment in the gateway;
d) a data encryption program: the energy gateway is used for encrypting data in the energy gateway and synchronizing time with a remote clock server;
e) web (internet access) program: providing a website interface for a user of the energy gateway to browse gateway data through a local internet access;
f) a database program: and the local generation and acquisition data is used for storing, managing and accessing the energy gateway.
The invention independently encapsulates the service function of the energy information gateway through each application program, and each application program corresponds to each service function, thereby reducing the coupling of the programs, improving the utilization rate of each application program code, and facilitating the detection, management and maintenance of a single program. For the subsequent upgrading of the energy information gateway application system, only part of programs need to be modified, and the efficiency of the subsequent upgrading is improved.
The application programs of the application layer are communicated through system messages or local sockets, and the application layer calls the corresponding function modules of the platform layer through the system messages or the local sockets instead of a memory sharing mode, so that the defect that the system environment where the energy information gateway application system is located cannot strictly guarantee exclusive access to the shared memory block is overcome.
In this embodiment, the communication between the gateway management program and the control unit program, and between the meter reading program and the load curve program are implemented by a local socket (socket), and because the communication is in a one-to-one manner, confusion caused by sharing a memory is avoided.
2. Platform layer: the layer places the service general program of the energy information gateway and calls the application program in the upper application layer. The platform layer mainly comprises a platform management program and a platform service processing program, wherein the platform management program comprises:
a) resource and access control program: initialization and access control of device resources for an energy gateway;
b) an integrated detection processing program: the system integration detection process is used;
c) process task scheduler: and the method is used for managing the process exception recovery and scheduling of the program in the application layer. The platform service processing program of the platform layer comprises:
a) firmware upgrade processing program: a bottom daemon for controlling firmware upgrade;
b) and the conventional detection processing program is used for detecting GPIO port signals of the energy gateway system, such as uncovering detection and power failure detection, and simultaneously realizing detection of reading mobile communication modules, such as a GPRS module, an L TE module, a CDMA module and the like, driving according to different mobile communication modules, dialing to access the internet and the like, and realizing different communication network requirements of clients in different regions according to various different module versions of the energy gateway.
The platform layer framework programs support the Application programs of the Application layer, that is, the Application layer programs can call an Application Programming Interface (API) of the platform layer programs when realizing the functions of the Application layer programs, so as to realize communication between the Application layer programs and device drivers, for example, the Application layer programs perform remote communication, access control on hardware devices, and the like through the platform layer corresponding programs, so as to realize unified scheduling management of the system on the Application layer programs, and achieve the purpose of resource optimization configuration.
3. Dynamic library layer: the layer is used for placing various basic common class functions, and comprises the following steps:
a) CMS (Crypto Message Syntax) encryption and decryption library: CMS encrypted signature and authentication;
b) cosem (company Specification For Energy Metering) communication protocol library: a Cosem protocol communication library;
c) http Transfer Protocol (Http) data packing library: packing and analyzing Http data;
d) t L S (Transport L eye Security) communication library, T L S data encryption and decryption library;
e) the encryption chip accesses and controls the library: access and control of the security module;
f) XM L (extensible Markup L schema) protocol packing and parsing library packing or parsing XM L structure data;
g) database access library: a database access library;
h) an encryption and signature certificate management library, an MbodT L S encryption and decryption library;
i) CCID (Chip/Smart Card Interface Devices) access and control library: a CCID access and control library;
j) other libraries: a log library, a configuration library, a compression and decompression library and the like;
the various libraries in the dynamic library layer are used for packaging the same function codes, so that the program is concise and clear, development and compilation are facilitated, the universality is realized, the code multiplexing can be well realized, and the efficiency of subsequent development is improved.
And calling the entity object in the dynamic library layer according to the service logic in the execution process of the program of the application layer and/or the platform layer. And loading the database data into the entity object of the dynamic library layer by accessing the database data, and returning the entity object to the application layer and/or the platform layer to realize the service logic of the program.
In this embodiment, the process of executing the task instruction by the application system architecture of the energy information gateway of the present invention is as follows:
s1, the user sends a specific task instruction through the application layer program, and starts the service logic function of the corresponding application program;
s2, the Application layer program communicates with other Application programs through local socket or directly calls the dynamic library layer related class library entity through API (Application Programming Interface) or system message in the process of executing the service logic;
s3, after the related library entity in the dynamic library layer receives the instruction sent by the application layer, the accessed data is loaded to the class library entity object of the corresponding dynamic library layer by accessing the database, and the entity object loaded with the data is returned to the corresponding application program in the application layer;
and the S4 application program completes the task instruction and feeds back the task execution result to the user.
In conclusion, the application program architecture of the energy information gateway solves the problems of high coupling, poor independence and low code utilization rate among application programs in the existing energy information gateway, realizes the separation of different program functions, improves the independence of the programs, simplifies the management, control and maintenance of a single program, improves the operability of a single functional module, and ensures the stability of the long-time operation of the whole energy information gateway system; and the communication mode among the application programs abandons the prior memory sharing mode and changes the prior memory sharing mode into the mode of realizing the synchronization among the processes through system messages or local sockets, thereby avoiding the problem that the program processes are easy to cause errors and chaos because of memory sharing.
In addition, the application program framework of the energy information gateway effectively improves the utilization rate and the reuse rate of the codes, does not need to modify and adjust the codes of the whole system when the later system is upgraded or the service requirement is changed, only needs to modify local codes, reduces the cost of upgrading or changing, and greatly improves the efficiency of upgrading or changing.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (12)
1. The application system architecture of the energy information gateway is mainly applied to a management platform of the energy information gateway, and is characterized by at least comprising an application layer, a platform layer and a dynamic library layer from top to bottom:
the application layer is used for placing an application program of the energy gateway, receiving and processing a user instruction and realizing each functional module of the energy information gateway;
the platform layer is used for placing a general function program of the energy gateway and providing support for the realization of an application program in the upper platform layer, and the application layer program calls a corresponding program of the platform layer to communicate with the hardware of the management platform;
and the dynamic library layer is used for placing various library functions for the application layer and/or the platform layer of the upper layer to call.
2. The architecture of the energy information gateway application system according to claim 1, wherein the application modules of the application layer communicate with each other through system messages or local sockets.
3. The architecture of the energy information gateway application system according to claim 1, wherein the application module of the application layer calls the corresponding function program of the platform layer through a system message or a local socket.
4. The architecture of the energy information gateway application system according to claim 1, wherein the application layer and/or platform layer freely calls class library functions in the dynamic library layer through a program interface.
5. The architecture of an energy information gateway application system according to claim 1, wherein the application programs of the application layer include a gateway management program and a gateway service processing program.
6. The architecture of an energy information gateway application system according to claim 5, wherein the gateway management program comprises an energy gateway management program and a gateway configuration program.
7. The architecture of an energy information gateway application system according to claim 5, wherein the gateway traffic handling class program comprises: the system comprises a load curve program, a meter reading program, a control unit program, a data encryption and time synchronization program, an internet access program and a database management program.
8. The architecture of an energy information gateway application system according to claim 1, wherein the functional programs of the platform layer include a platform management type program and a platform functional type program.
9. The architecture of an energy information gateway application system according to claim 8, wherein the platform layer hypervisor comprises a resource and access control program, an integrated detection processing program, a process task scheduler.
10. The architecture of an energy information gateway application system according to claim 8, wherein said platform service handling class programs include a firmware upgrade handler and a routine detection handler.
11. The architecture of the energy information gateway application system according to claim 1, wherein the dynamic library layer comprises an encryption/decryption library, a communication protocol library, a hypertext transfer protocol data packaging processing library, a transport layer security protocol communication library, an encryption chip access and control library, an extensible markup language protocol packaging and parsing library, a database access library, an encryption and signature certificate management library, and an integrated circuit card interface access and control library.
12. The architecture of an energy information gateway application system according to claim 1, wherein the dynamic library layer further comprises a system log library, a system configuration library, and a compression and decompression library.
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