CN114143340A - A large-scale power cable tunnel integrated monitoring system and implementation method - Google Patents

Abstract

The invention discloses a large-scale power cable tunnel integrated monitoring system which comprises one or more monitoring systems, wherein each monitoring system comprises a sensing unit, an information acquisition and processing unit, a fused side-end device, an integrated comprehensive monitoring platform and a data transmission unit. The realization method comprises the following steps: each sensing unit acquires real-time equipment state and operation environment information and transmits data to the information acquisition and processing unit; the information acquisition processing unit transmits the acquired information to the fusion side-end equipment; the integration side-end equipment carries out unified model expansion and transmits the processed data to the integrated comprehensive monitoring platform through a comprehensive data network; and finally, forming an open sharing and intelligent platform by the integrated comprehensive monitoring platform. The invention adopts a unified communication model, combines the area control unit and the fusion side-end equipment, realizes the integrated monitoring of cross-area and cross-site, improves the maintenance, operation and maintenance efficiency of the large-scale cable tunnel, and provides guarantee for intelligent operation and maintenance.

Description

Large power cable tunnel integrated monitoring system and implementation method

Technical Field

The invention relates to a power cable tunnel monitoring system and an implementation method, in particular to a large-scale power cable tunnel integrated monitoring system and an implementation method.

Background

Along with the deepening of the national urbanization process, the space reserved for overhead lines by the urban ground space is smaller and smaller, the power cable underground structure becomes the development trend of modern urban power grid construction, the domestic power load and the urban scale are enlarged, the scale of a power channel (a cable tunnel and a comprehensive pipe gallery) keeps a long-term rapid growth speed, the scale and the voltage grade of a power cable are greatly improved, the importance of the power cable is higher and higher, and the power cable becomes an important facility in a power system.

The large power cable tunnel needs to be constructed synchronously with a transformer substation and a leading station, new requirements are provided for integrated monitoring, various monitoring systems are generally independently arranged and managed and maintained due to professional division, and reliable information interaction between the monitoring systems and the transformer substation is inevitably required in the actual operation process. Meanwhile, due to the fact that data acquisition protocols are incompatible, direct data acquisition and direct data transmission cannot be achieved, the backstage needs to be independently set, and extra standby equipment needs to be reserved in consideration of the failure condition of the backstage, so that the total number of the management backstage is increased, and great difficulty is brought to interaction and linkage among subsystems. Therefore, the problems that multi-head operation and maintenance are solved, the cost of a monitoring system is effectively reduced, and the subsequent expansion is convenient become the current problem, and particularly for large power cable tunnel projects, the integrated operation and maintenance needs to be realized.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a large power cable tunnel integrated monitoring system and a large power cable tunnel integrated monitoring method for realizing multiple cross-region and cross-site communication modes.

The technical scheme is as follows: the integrated monitoring system for the large-scale power cable tunnel comprises one or more monitoring systems, wherein each monitoring system comprises a sensing unit, an information acquisition and processing unit, a fusion side-end device, an integrated comprehensive monitoring platform and a data transmission unit; the signal acquisition and processing unit is connected with the sensing unit through an acquisition data cable, processed data are transmitted to the fusion side-end equipment through the data transmission unit, the fusion side-end equipment uniformly gathers the data and then interacts with the integrated comprehensive monitoring platform, and the integrated comprehensive monitoring platform displays and stores a calculation result.

Furthermore, the monitoring system comprises one or more sensing units, and each sensing unit transmits the collected effective information to the signal collecting and processing unit.

Further, the monitoring system comprises one or more signal acquisition and processing units; the information acquisition processing unit realizes the combined operation of multiple systems and multiple devices based on a distributed and online logic programming regional control unit, and finishes the one-key linkage operation of multiple working conditions.

Further, the data transmission unit selects an exchanger or a wireless gateway.

A method for realizing a large-scale power cable tunnel integrated monitoring system comprises the steps that a network architecture of the monitoring system comprises a station control layer, a communication layer and a digital acquisition layer; the station control layer adopts a new generation of distributed monitoring platform framework adaptive to the cloud platform, is compatible with software and hardware and a safety reinforcement scheme, and meets the equal-protection requirements; the communication layer is based on a multi-site multi-safety-zone network topological structure, a cross-safety-zone data transparent transmission linkage mechanism is realized, and cross-zone cross-site interaction integration is completed; the data acquisition layer completes one-key linkage operation based on the information acquisition and processing unit; the method comprises the following steps:

s1, acquiring real-time equipment state and operation environment information by each sensing unit in the cable tunnel, and transmitting the equipment state and operation environment information data to the information acquisition and processing unit;

s2, the information acquisition processing unit transmits the acquired information to the fusion side-end equipment through various communication schemes and standardized communication protocols, and meanwhile, the information acquisition processing unit realizes the action of an executing mechanism between systems through internal logic processing;

s3, the integration edge device performs unified model expansion, integrated acquisition, display and analysis on the isolated electrical, security and broadcast system, and transmits the processed data to the integrated comprehensive monitoring platform through the comprehensive data network;

and S4, the integrated comprehensive monitoring platform is formed by fusing all systems in the cable tunnel and the pipe gallery through panoramic modeling and unified coding by the station control layer, so that an open sharing and intelligent platform is formed.

Compared with the prior art, the invention has the following remarkable effects: 1. the unified communication model is adopted to realize multi-system exchange, and the application of a regional control unit and fusion border end equipment is combined to realize the integrated monitoring of multiple communication modes of cross-region and cross-site, so that the overhauling operation and maintenance efficiency of the large cable tunnel is improved, and the guarantee is provided for intelligent operation and maintenance; 2. the problem of maintainer bull fortune dimension difficult is solved, effectively reduce monitored control system cost and make things convenient for follow-up extension, improve maintenance efficiency and security.

Drawings

FIG. 1 is a schematic view of a monitoring system of the present invention;

FIG. 2 is a network architecture diagram of the monitoring system of the present invention;

FIG. 3 is a flow chart of the integrated monitoring implementation method of the present invention.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

As shown in fig. 1, the signal acquisition and processing unit is connected to the sensing unit through the acquisition data cable so as to acquire effective information of the sensing unit, and the signal processing module in the signal acquisition and processing unit processes information of the sensing unit so as to calculate data and generate a calculation result. And the calculation result is sent to the integration side-end equipment by a communication module of the signal acquisition and processing unit through the switch, the integration side-end equipment uniformly assembles data and then interacts with the integrated comprehensive monitoring platform, and then the integrated comprehensive monitoring platform displays the calculation result and stores the calculation result.

The information acquisition processing unit is a distributed control system based on the regional control unit, realizes the functions of distributed and on-line logic modification, realizes information acquisition of a plurality of systems and various devices, and realizes linkage operation of the systems and the devices, thereby completing one-key linkage operation under various working conditions.

The integrated side-end equipment is divided into an upper communication part and a lower communication part, model unified expansion and protocol unification of each system are realized on the lower part, information interaction with an integrated comprehensive monitoring platform is realized on the upper part, unified model expansion of isolated electric, security, broadcast and other systems is realized on the basis of a DL/T860 communication technology, and integrated collection, display and analysis are realized.

The station control layer of the integrated comprehensive monitoring platform adopts a new generation of distributed monitoring platform framework adaptive to a cloud platform, all systems in a cable tunnel and a pipe gallery are fused through panoramic modeling and unified coding to form an open shared and intelligent platform, and the integrated comprehensive monitoring platform is compatible with national productions software and hardware and a safety reinforcement scheme and meets the equal-protection requirements; the communication layer is based on a multi-site multi-safety-zone network topological structure, a cross-safety-zone data transparent transmission linkage mechanism is realized, and cross-zone cross-site interaction integration is completed.

As shown in fig. 2, the network architecture of the power cable tunnel monitoring system includes a station control layer, a communication layer, and a data acquisition layer. The station control layer adopts a new generation of distributed monitoring platform framework adaptive to the cloud platform, integrates all systems in the cable tunnel and the pipe gallery through panoramic modeling and unified coding to form an open shared and intelligent platform, is compatible with national production software and hardware and a safety reinforcement scheme, and meets the equal-protection requirements; the communication layer is based on a multi-site multi-safety-zone network topological structure, a cross-safety-zone data transparent transmission linkage mechanism is realized, and cross-zone cross-site interaction integration is completed; the data acquisition layer is based on the information acquisition and processing unit, adopts a distributed and online logic programmed regional control unit to realize the combined operation of multiple systems and multiple devices, and completes the one-key linkage operation of multiple working conditions.

Fig. 3 is a flowchart of a monitoring implementation method of the present invention, which includes the following steps:

firstly, each monitoring subsystem sensing unit in the cable tunnel acquires real-time equipment state and operation environment information, and sends state and information data to an information acquisition and processing unit.

And step two, the information acquisition processing unit is sent to the fusion side end equipment through various communication schemes including wired TCP communication, wired UDP communication, wireless TCP communication, wireless UDP communication and the like and standardized communication protocols including IEC-61850, modbus TCP, MQTT and the like, and meanwhile, the information processing equipment unit realizes the action of an executing mechanism between systems through internal logic processing, so that the operation and maintenance requirements are quickly realized.

Step three, the fused side-end equipment is sent to the integrated comprehensive monitoring platform through the comprehensive data network: the integrated edge-end equipment carries out unified model expansion, integrated acquisition, display and analysis on the isolated electrical, security and broadcast systems, and transmits the processed data to the integrated comprehensive monitoring platform through the comprehensive data network. The unified model expansion is a model based on DL/T860, and aims at systems such as security protection, broadcasting and the like, so that model correspondence of various data is realized, and interconnection and intercommunication with an electrical system are realized.

And step four, the integrated comprehensive monitoring platform realizes the fusion operation and maintenance of the multi-site, cross-safety partition and the intelligent transformer substation through a distributed architecture and a multi-host UDP real-time synchronization mechanism. All systems in the cable tunnel and the pipe gallery are fused by the station control layer through panoramic modeling and unified coding to form an open sharing and intelligent platform, so that fusion operation and maintenance of multiple fields, cross-safety partitions and intelligent substations are realized. The panoramic modeling and the unified coding mean that the integrated modeling of electric, security and broadcast is realized at a station control layer, and the display pictures and the coding of linkage operation at the station control layer are realized on a unified monitoring platform, so that the unified coding is realized

Example 1

The monitoring system includes: the system comprises a sensing unit, an information acquisition and processing unit, a fusion side-end device, an integrated comprehensive monitoring platform and a switch;

the signal acquisition and processing unit is connected with the sensing unit through the acquisition data cable so as to acquire effective information of the sensing unit, and the signal processing module in the signal acquisition and processing unit processes the information of the sensing unit so as to calculate data and generate a calculation result. And the calculation result is sent to the integration side-end equipment by a communication module of the signal acquisition and processing unit through the switch, and the integration side-end equipment uniformly gathers data and then interacts with the integrated comprehensive monitoring platform, so that the calculation result of the integrated comprehensive monitoring platform is displayed, and the calculation result is stored.

Example 2

The monitoring system includes: the system comprises a sensing unit, an information acquisition and processing unit, a fusion side-end device, an integrated comprehensive monitoring platform and a wireless gateway;

the signal acquisition and processing unit is connected with the sensing unit through the acquisition data cable so as to acquire effective information of the sensing unit, and the signal processing module in the signal acquisition and processing unit processes the information of the sensing unit so as to calculate data and generate a calculation result. The calculation result is sent to the wireless gateway from the communication module of the signal acquisition processing unit, the wireless gateway transmits data to the fusion side end device, and the fusion side end device uniformly gathers the data and then interacts with the integrated comprehensive monitoring platform, so that the calculation result of the integrated comprehensive monitoring platform is displayed, and the calculation result is stored.

The monitoring implementation method solves the problem of multi-head operation and maintenance of maintainers, effectively reduces the cost of the monitoring system, facilitates subsequent expansion, and improves the maintenance efficiency and safety.

The foregoing illustrates the general principles and concepts of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for illustrating the principle of the present invention, and the present invention may be subject to various changes and modifications without departing from the spirit and scope of the present invention, and other embodiments modified according to the technical solution of the present invention also belong to the protection scope of the present invention.

Claims (5)

1. The integrated monitoring system for the large power cable tunnel is characterized by comprising one or more monitoring systems, wherein each monitoring system comprises a sensing unit, an information acquisition and processing unit, a fusion side-end device, an integrated comprehensive monitoring platform and a data transmission unit; the signal acquisition and processing unit is connected with the sensing unit through an acquisition data cable, processed data are transmitted to the fusion side-end equipment through the data transmission unit, the fusion side-end equipment uniformly gathers the data and then interacts with the integrated comprehensive monitoring platform, and the integrated comprehensive monitoring platform displays and stores a calculation result.

2. The large power cable tunnel integrated monitoring system according to claim 1, wherein the monitoring system comprises one or more sensing units, and each sensing unit transmits collected effective information to the signal collection and processing unit.

3. The large power cable tunnel integrated monitoring system according to claim 1, wherein the monitoring system comprises one or more signal acquisition and processing units; the information acquisition processing unit realizes the combined operation of multiple systems and multiple devices based on a distributed and online logic programming regional control unit, and finishes the one-key linkage operation of multiple working conditions.

4. The integrated monitoring system for large power cable tunnels according to claim 1, wherein the data transmission unit is selected from a switch or a wireless gateway.

5. A method for realizing a large-scale power cable tunnel integrated monitoring system is characterized in that a network architecture of the monitoring system comprises a station control layer, a communication layer and a digital acquisition layer; the station control layer adopts a new generation of distributed monitoring platform framework adaptive to the cloud platform, is compatible with software and hardware and a safety reinforcement scheme, and meets the equal-protection requirements; the communication layer is based on a multi-site multi-safety-zone network topological structure, a cross-safety-zone data transparent transmission linkage mechanism is realized, and cross-zone cross-site interaction integration is completed; the data acquisition layer completes one-key linkage operation based on the information acquisition and processing unit; the method comprises the following steps:

s1, acquiring real-time equipment state and operation environment information by each sensing unit in the cable tunnel, and transmitting the equipment state and operation environment information data to the information acquisition and processing unit;

s2, the information acquisition processing unit transmits the acquired information to the fusion side-end equipment through various communication schemes and standardized communication protocols, and meanwhile, the information acquisition processing unit realizes the action of an executing mechanism between systems through internal logic processing;

s3, the integration edge device performs unified model expansion, integrated acquisition, display and analysis on the isolated electrical, security and broadcast system, and transmits the processed data to the integrated comprehensive monitoring platform through the comprehensive data network;

and S4, the integrated comprehensive monitoring platform is formed by fusing all systems in the cable tunnel and the pipe gallery through panoramic modeling and unified coding by the station control layer, so that an open sharing and intelligent platform is formed.

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