CN111934967A - Electrical fire monitoring system and method based on two buses, multiple components and dynamic library - Google Patents
Electrical fire monitoring system and method based on two buses, multiple components and dynamic library Download PDFInfo
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- CN111934967A CN111934967A CN202011009079.6A CN202011009079A CN111934967A CN 111934967 A CN111934967 A CN 111934967A CN 202011009079 A CN202011009079 A CN 202011009079A CN 111934967 A CN111934967 A CN 111934967A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
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- H—ELECTRICITY
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
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- 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]
- H04L12/42—Loop networks
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- H—ELECTRICITY
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- 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]
- H04L12/44—Star or tree networks
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Abstract
The invention relates to an electrical fire monitoring system and a method based on two buses, multiple components and a dynamic library, wherein the system comprises electrical fire terminal equipment and an electrical fire monitoring host, and the electrical fire monitoring host is connected with the electrical fire terminal equipment through the two buses integrating power supply and communication; an electrical fire information sensing layer and an electrical fire multi-source information fusion layer are arranged in the electrical fire monitoring host; the electric fire information sensing layer is used for sensing electric fire information of the electric fire terminal equipment based on the multi-dynamic library; the electrical fire multi-source information fusion layer is used for processing electrical fire information based on multiple components. The invention adopts two buses integrating power supply and communication, so that the field networking wiring access is convenient, when the sensing and control facing to the complex state information are carried out, the flexible adaptation expansion can be realized based on the development of multiple components and multiple dynamic libraries, the expansibility is stronger, the software maintenance cost is reduced, and the working requirement under the complex environment can be met.
Description
Technical Field
The invention relates to the technical field of monitoring of distributed control, in particular to an electrical fire monitoring system based on two buses, multiple components and a dynamic library.
Background
In modern production, along with the continuous improvement of automation level, the scales of storehouses, factories and buildings are larger and larger, and the requirements on field networking and wiring are higher and higher, but the current mainstream market still depends on a mode of separating power supply from communication, so that the application requirements cannot be met, the wiring scheme of separately executing field power supply and communication is complex, the labor cost is increased, and the inconvenience of accessing a networking system is brought.
In addition, the functional requirements of the field state perception in the power utilization fields such as intelligent safety and the like are not the acquisition of detection information of a single sensor and the simple processing of the information, but the perception is required to have a richer feature extraction function, and comprehensive feature information and the like oriented to various application requirements are obtained through various information processing technologies. Therefore, a state sensing technology facing a complex electrical fire monitoring system is lacked, so that the working requirement under a complex environment cannot be met.
Therefore, it is necessary to design an electrical fire monitoring system integrating power supply and communication based on two buses, multiple components and a dynamic library to realize intelligent information sensing and control of terminal equipment.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electrical fire monitoring system and method based on two buses, multiple components and a dynamic library, wherein the two buses integrating power supply and communication are adopted for connection, so that on-site networking wiring access is convenient, flexible adaptive expansion can be realized based on development of the multiple components and the multiple dynamic libraries when complex state information is sensed and controlled, the expansibility is strong, the software maintenance cost is reduced, and the working requirement under a complex environment can be met.
The technical scheme for solving the technical problems is as follows: an electrical fire monitoring system based on two buses, multiple components and a dynamic library comprises electrical fire terminal equipment and an electrical fire monitoring host, wherein the electrical fire monitoring host is connected with the electrical fire terminal equipment through two buses integrating power supply and communication;
an electric fire information sensing layer and an electric fire multi-source information fusion layer which are mutually independent are arranged in the electric fire monitoring host;
the electrical fire information sensing layer is used for sensing electrical fire information of the electrical fire terminal equipment based on a multi-dynamic library;
the electrical fire multi-source information fusion layer is used for processing the electrical fire information based on multiple components to obtain an electrical fire monitoring result;
the electric fire information sensing layer and the electric fire multi-source information fusion layer realize data interaction transmission through a data management module; the data management module adopts a framework combining a shared memory and a message;
in the electric fire information sensing layer, a communication protocol interface is defined in each dynamic library file; the shared memory comprises a plurality of different types of shared memories;
the electrical fire information sensing layer is specifically used for sensing multiple types of corresponding electrical fire information in the electrical fire terminal equipment through communication protocol interfaces of multiple dynamic libraries, and storing the electrical fire information in the shared memories of the multiple types of corresponding types in a classified manner through the electrical fire multi-source information fusion layer;
in the electrical fire multi-source information fusion layer, process service is established in a file of each component;
the components comprise application service components and basic service components, and the files of each dynamic library and the process services of each application service component run in dependence on the basic service components;
the electrical fire multi-source information fusion layer is specifically used for extracting characteristic information related to the electrical fire information from the shared memory by using the process service of the application service component based on the basic service component, and performing multi-source information fusion processing to obtain an electrical fire monitoring result.
Based on the electrical fire monitoring system based on the two buses, the multiple components and the dynamic library, the invention also provides an electrical fire monitoring method based on the two buses, the multiple components and the dynamic library.
An electrical fire monitoring method based on two buses, multiple components and a dynamic library, which utilizes the electrical fire monitoring system based on two buses, multiple components and dynamic library to monitor electrical fire and comprises the following steps,
sensing electrical fire information based on the two buses and the multi-dynamic library;
and carrying out multi-source information fusion processing on the electrical fire information based on multiple components to obtain an electrical fire monitoring result.
The invention has the beneficial effects that: the invention adopts a two-bus PowerBUS communication mode integrating power supply and communication to connect the electric fire monitoring host with the electric fire terminal equipment, namely, a control signal is modulated on a power supply cable to replace the traditional communication mode of a separated power supply cable and a control cable; the two-bus communication supports any topological wiring modes such as tree type, star type, bus type and the like, so that the field networking wiring access is convenient. In addition, the invention adopts a hierarchical structure which takes data as a center to construct an electrical fire information sensing layer and an electrical fire multi-source information fusion layer, can flexibly adapt and expand based on development of multiple components and multiple dynamic libraries when facing to sensing and control of complex state information, can flexibly establish multiple dynamic libraries to expand if the sensing of the state information needs to be increased, can increase components to be independently responsible for control if a control function needs to be increased, has stronger expansibility and reduces the software maintenance cost.
Drawings
FIG. 1 is a schematic diagram of an electrical fire monitoring system based on two buses, multiple components and a dynamic library according to the present invention;
FIG. 2 is a diagram of the overall design architecture of the electrical fire monitoring system based on two buses, multiple components and dynamic libraries according to the present invention;
FIG. 3 is a flow chart of the method for monitoring electrical fire based on two buses, multiple components and dynamic library.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an electrical fire monitoring system based on two buses, multiple components and a dynamic library comprises an electrical fire terminal device and an electrical fire monitoring host, wherein the electrical fire monitoring host is connected with the electrical fire terminal device through two buses integrating power supply and communication;
an electric fire information sensing layer and an electric fire multi-source information fusion layer which are mutually independent are arranged in the electric fire monitoring host;
the electrical fire information sensing layer is used for sensing electrical fire information of the electrical fire terminal equipment based on a multi-dynamic library;
the electrical fire multi-source information fusion layer is used for processing the electrical fire information based on multiple components to obtain an electrical fire monitoring result;
and data interaction transmission is realized between the electrical fire information sensing layer and the electrical fire multi-source information fusion layer through a data management module.
In this embodiment, the following preferred embodiments are provided:
preferably, the system further comprises a remote monitoring center, wherein the remote monitoring center is connected with the electrical fire multi-source information fusion layer and is used for receiving an electrical fire monitoring result obtained by processing of the electrical fire multi-source information fusion layer.
Further, the remote monitoring center is also used for directly acquiring the electrical fire information from the electrical fire terminal equipment by adopting a transparent transmission method based on the electrical fire monitoring host.
In the preferred embodiment, the electrical fire multi-source information fusion layer is also used for being responsible for Ethernet and wireless communication with a remote monitoring center, man-machine interaction and fault printing.
The electric fire monitoring host can be used as an intermediate device of a remote monitoring center and electric fire terminal equipment, and related characteristic information of the electric fire terminal equipment can be directly fed back to the remote monitoring center in a transparent transmission mode and provided for a data center to perform big data analysis, waveform recording and the like. For example, a thread is created by the communication service component in fig. 2, and a specific implementation manner of the thread is defined in the dynamic library libxxx, that is, related commands are transparently forwarded to the electrical fire terminal device according to the type of the customized protocol interface of the remote monitoring center, and then the electrical fire terminal device responds to the electrical fire monitoring host according to the received commands so as to be further forwarded to the remote monitoring center.
Preferably, the data management module adopts a framework combining shared memory and messages.
Further, in the electrical fire information sensing layer, a communication protocol interface is defined in each file of the dynamic library; the shared memory comprises a plurality of different types of shared memories;
the electrical fire information sensing layer is specifically configured to sense multiple types of electrical fire information corresponding to the electrical fire terminal device through multiple communication protocol interfaces of the dynamic library, and store the electrical fire information in the shared memory corresponding to the multiple types in a classified manner through the electrical fire multi-source information fusion layer.
In the preferred embodiment, the electrical fire information includes: the electric fire equipment monitors analog quantity information such as electric leakage, overtemperature, three-phase/single-phase voltage, three-phase/single-phase current, power, electric energy and the like, and also comprises protection information such as voltage overvoltage, voltage undervoltage, overcurrent, overload, fault arc and the like, and state information such as switching value linkage and the like. The sensing form of the electrical fire information is various, and each dynamic library (the file form is libxxx). The perception of various types of electrical fire information can be realized through various communication protocols, and one communication protocol corresponds to one libxxx.so file; the sensed information is realized through a certain communication protocol type, such as ModbusRTU protocol, ModbusTCP protocol, electric power system 645 communication protocol, and the sensed information of the electrical fire is stored in the analog quantity shared memory or/and the state quantity shared memory or/and the fire alarm shared memory in fig. 2. The invention can flexibly expand the communication protocol interface, namely a dynamic library, to realize large amount of complex electric fire information perception.
Preferably, in the electrical fire multi-source information fusion layer, a process service is created in a file of each component;
the components comprise application service components and basic service components, and the files of each dynamic library and the process services of each application service component run in dependence on the basic service components;
the electrical fire multi-source information fusion layer is specifically used for extracting characteristic information related to the electrical fire information from the shared memory by using the process service of the application service component based on the basic service component, and performing multi-source information fusion processing to obtain an electrical fire monitoring result.
In the preferred embodiment, the multi-source information fusion processing comprises fault alarm feature extraction, fault location and indication, fault diagnosis and waveform recording, and further comprises Ethernet and wireless communication with an upper application (remote monitoring center), man-machine interaction and fault printing. The fault alarm feature extraction mainly includes that feature screening is performed according to sensed electrical fire information, for example, some key state quantities, analog quantity information and fault alarm related information, generally, the number of electrical fire terminal devices configured by an electrical fire monitoring host is large, and the key information can be extracted one by one in a cyclic query mode and stored in a basic configuration shared memory in fig. 2; the fault positioning and indication method mainly comprises the steps of binding the extracted characteristic information with the electrical fire terminal equipment, and indicating the specific installation position of the electrical fire terminal equipment and fault alarm information on a display screen; the fault diagnosis and waveform recording mainly comprises the steps of recording and drawing waveforms according to the sensed electrical fire information, predicting fault occurrence time in advance according to the distortion shape of the waveforms, and troubleshooting and positioning the problems after the faults occur.
The basic service component (with a file form of DKMxxx.out) serves as a general bottom component and can provide services for each application service component (with a file form of xxx.vxe), and the implementation of each application service component and the dynamic library depends on the basic service component to perform the functional design of an information perception layer and an information fusion processing layer.
FIG. 2 is a diagram of the overall design architecture of an electrical fire monitoring system based on two buses, multiple components and dynamic libraries according to the present invention. The system of the invention is described in detail below with reference to fig. 2.
The shared memory comprises an analog quantity shared memory, a state quantity shared memory, a fire alarm shared memory and a basic configuration shared memory; the analog quantity shared memory, the state quantity shared memory and the fire alarm shared memory are used for storing different types of electrical fire information; and the basic configuration shared memory is used for storing the configuration file of the electrical fire terminal equipment.
Further, the application service components include an application management component, a fault diagnosis component, a communication service component, and a web service component, wherein:
the application management component is used for being responsible for starting, dynamically monitoring and managing the fault diagnosis component, the communication service component and the webpage service component; for example, after the electrical fire monitoring host is powered on, the application management component respectively starts the operation of the fault diagnosis component, the communication service component and the web service component, when the fault diagnosis component, the communication service component and the web service component normally operate, the application management component sends messages to the application management component in a message queue mode at regular time, the application management component carries out ordered processing according to the received message queue, when the fault diagnosis component, the communication service component and the web service component are abnormal, the messages are not sent to the application management component any more, and at the moment, the application management component judges that the fault diagnosis component, the communication service component and the web service component are abnormal through an overtime mechanism; so as to realize the dynamic monitoring and management of the application service components.
The fault diagnosis component is used for extracting characteristic information related to the electrical fire information from the analog quantity shared memory or/and the state quantity shared memory or/and the fire alarm shared memory, circularly inquiring data table items of the configured electrical fire terminal equipment from the basic configuration shared memory, and establishing related characteristic information quantity so as to perform fault diagnosis processing (including fault positioning and indication, fault diagnosis and waveform recording, man-machine interaction, fault printing and the like) of multi-source information.
The communication service component is used for being responsible for starting and operating files in each multi-dynamic library in the electrical fire information sensing layer, screening and classifying the electrical fire information sensed by the dynamic libraries according to different communication protocol interface types (such as a standard Modbus communication protocol (libModbusRTU.so)) and storing the electrical fire information sensed by the dynamic libraries into the analog quantity shared memory or/and the state quantity shared memory or/and the fire alarm shared memory so as to provide the fault diagnosis component with operations of fault positioning and indication, fault diagnosis, waveform recording and the like, and provide the webpage service component with operations of key characteristic information query and setting, historical characteristic information inference and the like; the communication service component is also used for forwarding and transparently transmitting the electrical fire information acquired by the electrical fire terminal equipment through an extended communication protocol interface; for example, according to the user requirement flexible extension protocol libxxx, so as to implement forwarding and transparent transmission of the information of the electrical fire terminal equipment, so as to access a remote monitoring center at a higher layer to extract characteristic information for further data analysis and fault diagnosis, such as: the electric fire monitoring host can transparently transmit related command frames to electric fire terminal equipment according to a standard Modbus communication protocol (libModbusRTU.so) of a remote monitoring center, then the electric fire terminal equipment correspondingly analyzes and extracts related characteristic information according to a received command to respond to the electric fire monitoring host, and the electric fire monitoring host transparently transmits the electric fire monitoring host to the remote monitoring center, wherein the electric fire monitoring host is equivalent to a transfer station in the communication processing flow, a bridge for interaction between the remote monitoring center and the electric fire terminal equipment is established, command frame formats cannot be converted, and related command frames cannot be analyzed; meanwhile, a customized protocol interface type ModBusTCP forwarding communication protocol (libModBusTcp.so) is supported to realize the forwarding of the information. The communication protocol which can be realized by the invention relates to an IEC104 communication protocol (libIEC 104. so), an electric power system 645 communication protocol (libDLT 645. so), a ModbusTCP forwarding communication protocol (libModbusTcp. so), a standard Modbus communication protocol (libModbusRTU. so), a communication protocol (libInterConn. so) interconnected with a remote master station or slave station, a 4G wireless communication protocol (libModbusTcp. so), a LORA wireless communication protocol (libLoraModbus. so) and the like.
The web service component is configured to extract feature information related to the electrical fire information from the analog quantity shared memory or/and the state quantity shared memory or/and the fire alarm shared memory, and circularly query a data entry of the configured electrical fire terminal device from the basic configuration shared memory to provide information query or/and import or/and export services (specifically, query, setting, import and export of editing information, and the like of basic configuration information); meanwhile, the webpage service component can also send messages to the communication service component on line to extract the related characteristic information quantity of the electrical fire terminal equipment in real time so as to grasp the running state and the like of the electrical fire terminal equipment on site in real time, and can also extract and compare the historical characteristic information of the electrical fire terminal equipment to make further data result inference.
Further, the application management component interacts with the fault diagnosis component, the communication service component and the web service component through a message queue mechanism; the fault diagnosis component and the communication service component are interacted through a message queue mechanism, and the webpage service component and the communication service component are interacted through the message queue mechanism.
Based on the electrical fire monitoring system based on the two buses, the multiple components and the dynamic library, the invention also provides an electrical fire monitoring method based on the two buses, the multiple components and the dynamic library.
As shown in fig. 3, an electrical fire monitoring method based on two buses, multiple components and dynamic libraries comprises the following steps,
sensing electrical fire information based on the two buses and the multi-dynamic library;
and carrying out multi-source information fusion processing on the electrical fire information based on multiple components to obtain an electrical fire monitoring result.
Wherein, the two buses are hardware bases, and the multi-dynamic library and the multi-component are software bases.
In conclusion, the electric fire monitoring host is connected with the electric fire terminal equipment in a two-bus PowerBUS communication mode integrating power supply and communication, namely, a control signal is modulated on a power supply cable to replace the traditional communication mode of a separated power supply cable and a control cable; the two-bus communication supports any topological wiring modes such as tree type, star type, bus type and the like, and supports a non-polar mode without distinguishing the positive electrode and the negative electrode; therefore, on-site networking wiring access is convenient. Compared with other wired modes (such as RS 485), the two-bus wiring mode is simpler and more convenient, and the construction and debugging cost can be reduced. In addition, the invention adopts a hierarchical structure which takes data as a center to construct an electrical fire information sensing layer and an electrical fire multi-source information fusion layer, can flexibly adapt and expand based on development of multiple components and multiple dynamic libraries when facing to sensing and control of complex state information, can flexibly establish multiple dynamic libraries to expand if the sensing of the state information needs to be increased, can increase components to be independently responsible for control if a control function needs to be increased, has stronger expansibility and reduces the software maintenance cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. Electric fire monitored control system based on two buses, multicomponent and dynamic storehouse, its characterized in that: the system comprises electrical fire terminal equipment and an electrical fire monitoring host, wherein the electrical fire monitoring host is connected with the electrical fire terminal equipment through two buses integrating power supply and communication;
an electric fire information sensing layer and an electric fire multi-source information fusion layer which are mutually independent are arranged in the electric fire monitoring host;
the electrical fire information sensing layer is used for sensing electrical fire information of the electrical fire terminal equipment based on a multi-dynamic library;
the electrical fire multi-source information fusion layer is used for carrying out multi-source information fusion processing on the electrical fire information based on multiple components to obtain an electrical fire monitoring result;
the electric fire information sensing layer and the electric fire multi-source information fusion layer realize data interaction transmission through a data management module;
the data management module adopts a framework combining a shared memory and a message;
in the electric fire information sensing layer, a communication protocol interface is defined in each dynamic library file; the shared memory comprises a plurality of different types of shared memories;
the electrical fire information sensing layer is specifically used for sensing multiple types of corresponding electrical fire information in the electrical fire terminal equipment through communication protocol interfaces of multiple dynamic libraries, and storing the electrical fire information in the shared memories of the multiple types of corresponding types in a classified manner through the electrical fire multi-source information fusion layer;
in the electrical fire multi-source information fusion layer, process service is established in a file of each component;
the components comprise application service components and basic service components, and the files of each dynamic library and the process services of each application service component run in dependence on the basic service components;
the electrical fire multi-source information fusion layer is specifically used for extracting characteristic information related to the electrical fire information from the shared memory by using the process service of the application service component based on the basic service component, and performing multi-source information fusion processing to obtain an electrical fire monitoring result.
2. The two-bus, multi-component, and dynamic-library based electrical fire monitoring system of claim 1, wherein: the remote monitoring center is connected with the electrical fire multi-source information fusion layer and used for receiving an electrical fire monitoring result obtained by processing of the electrical fire multi-source information fusion layer.
3. The two-bus, multi-component, and dynamic-library based electrical fire monitoring system of claim 2, wherein: the remote monitoring center is also used for directly acquiring the electrical fire information from the electrical fire terminal equipment by adopting a transparent transmission method based on the electrical fire monitoring host.
4. An electrical fire monitoring system based on two buses, multiple components and dynamic libraries according to any of the claims 1 to 3, characterized in that: the shared memory comprises an analog quantity shared memory, a state quantity shared memory, a fire alarm shared memory and a basic configuration shared memory; the analog quantity shared memory, the state quantity shared memory and the fire alarm shared memory are used for storing different types of electrical fire information;
and the basic configuration shared memory is used for storing the configuration file of the electrical fire terminal equipment.
5. The two-bus, multi-component, and dynamic-library based electrical fire monitoring system of claim 4, wherein: the application service component comprises an application management component, a fault diagnosis component, a communication service component and a webpage service component;
the application management component is used for being responsible for starting, dynamically monitoring and managing the fault diagnosis component, the communication service component and the webpage service component;
the fault diagnosis component is used for extracting characteristic information related to the electrical fire information from the analog quantity shared memory or/and the state quantity shared memory or/and the fire alarm shared memory, and circularly inquiring data table items of the configured electrical fire terminal equipment from the basic configuration shared memory so as to perform fault diagnosis processing of multi-source information;
the communication service component is used for being responsible for starting and operating files in each multi-dynamic-library in the electrical fire information sensing layer, and screening and classifying the electrical fire information sensed by the dynamic-libraries according to different communication protocol interface types to be stored in the analog quantity shared memory or/and the state quantity shared memory or/and the fire alarm shared memory; the communication service component is also used for forwarding and transparently transmitting the electrical fire information acquired by the electrical fire terminal equipment through an extended communication protocol interface;
the webpage service component is used for extracting characteristic information related to the electrical fire information from the analog quantity shared memory or/and the state quantity shared memory or/and the fire alarm shared memory and circularly inquiring data table items of the configured electrical fire terminal equipment from the basic configuration shared memory so as to provide information inquiry or/and import or/and export services; the webpage service component is also used for sending a message to the communication service component on line to extract the characteristic information of the electrical fire terminal equipment in real time.
6. The two-bus, multi-component, and dynamic-library based electrical fire monitoring system of claim 5, wherein: the application management component interacts with the fault diagnosis component, the communication service component and the webpage service component through a message queue mechanism; the fault diagnosis component and the communication service component are interacted through a message queue mechanism, and the webpage service component and the communication service component are interacted through the message queue mechanism.
7. An electrical fire monitoring method based on two buses, multiple components and a dynamic library is characterized in that: use of the two-bus, multi-component and dynamic-library based electrical fire monitoring system of any one of claims 1 to 6 for electrical fire monitoring, comprising the steps of,
sensing electrical fire information based on the two buses and the multi-dynamic library;
and carrying out multi-source information fusion processing on the electrical fire information based on multiple components to obtain an electrical fire monitoring result.
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