CN-122027493-A - Method and system for realizing multi-service hard isolation of coal mine

CN122027493ACN 122027493 ACN122027493 ACN 122027493ACN-122027493-A

Abstract

The invention belongs to the technical field of networks, and relates to a method and a system for realizing multi-service hard isolation of a coal mine, wherein the method comprises the steps of carrying out overall network planning on terminal equipment of a plurality of services of the coal mine to construct a wired slice network; the method comprises the steps of acquiring network coverage requirements of a plurality of services in real time, determining transmission bandwidth requirements and the number of slicing routers of the services, taking distribution of the service systems as a core, preliminarily corresponding the slicing routers and equipment to the periphery of a distribution area of the service systems, combining network topology structure adjustment positions to determine installation positions of the slicing routers and the equipment, carrying out network configuration and physical connection on an SDN controller and a wired slicing network, mapping data traffic of the services to corresponding slices during network configuration, carrying out unified nano-tube on the slicing routers and the equipment through the SDN controller, and issuing slicing rules to realize hard isolation of the coal mine multi-service. The invention has high service isolation, flexible bandwidth allocation and high network security of coal mine enterprises.

Inventors

YANG BIAO
LI XIN
TONG PENG
TIAN SHUANG
SHI HAN
ZHANG WEI
HOU SHUANGSHUANG
LUAN ZHAOBIAO
WANG PU
PAN GUIPING
LIU YA
SUN FENG
QIN YULIANG

Assignees

山东能源集团有限公司
北斗天地股份有限公司
山东新巨龙能源有限责任公司
内蒙古双欣矿业有限公司
陕西未来能源化工有限公司金鸡滩煤矿

Dates

Publication Date: 20260512
Application Date: 20260212

Claims (8)

1. The coal mine multi-service hard isolation method is characterized by comprising the following steps of: The method comprises the steps that overall network planning is conducted on terminal equipment of a plurality of services of a coal mine, and a wired slicing network is constructed, wherein the wired slicing network comprises an SDN controller and a plurality of independent slices, and each slice corresponds to one service; Acquiring network coverage requirements of a plurality of services in real time, and determining transmission bandwidth requirements of the services; Determining the number of slicing routers based on the transmission bandwidth requirements of each service; Taking the distribution of each service system as a core, preliminarily corresponding the slicing router and the equipment to the periphery of a distribution area of each service system, combining the network topology structure to adjust the positions, determining the installation positions of the slicing router and the equipment and naming the slicing router and the equipment; performing network configuration and physical connection on the SDN controller and the wired slice network, and mapping the data traffic of each service to a corresponding slice during network configuration; And unified nanotubes are carried out on the slicing router and the equipment through the SDN controller, and slicing rules are issued, so that the hard isolation of coal mine multi-service is realized.
2. The coal mine multi-service hard isolation method according to claim 1, wherein the determination of the number of slicing routers based on the transmission bandwidth requirements of each service comprises the steps of: Based on the transmission bandwidth requirements of each service, adding the transmission bandwidths of each service, and superposing 10% -20% of protocol overhead and 30% -50% of redundant bandwidth to obtain the total required bandwidth; Establishing a hierarchical accounting corresponding relation according to the functional positioning of each service, the service bearing proportion and the link redundancy requirement, and sequentially distributing the total required bandwidth to each service layer network to obtain a corresponding service layer bandwidth; Determining the number of slice routers required by each layer based on the service layer bandwidth; And respectively adding the reserved redundant slice router numbers to the convergence layer and the access layer on the basis of the determined slice router numbers required by each layer to obtain the slice router numbers.
3. The method for hard isolation of coal mine multi-service according to claim 1, wherein when the installation positions of the slice router and the equipment are determined, the obstacles and electromagnetic interference sources in the roadway are checked, the adaptive power supply conditions at the installation positions are confirmed, and the coverage dead zone is eliminated by fine adjustment of the point positions, and meanwhile, the same type of equipment is uniformly distributed to balance the load.
4. The method for multi-service hard isolation in coal mine according to claim 1, wherein the physical connection follows the line shortest principle, and the key link adopts a double-line redundancy design.
5. The coal mine multi-service hard isolation method of claim 1, wherein unified nanotubes are performed on a slicing router and equipment through an SDN controller and slicing rules are issued, comprising the following steps: Executing a router searching command on the SDN controller, searching all routers in the network, generating a topological graph according to route path calculation and visually presenting; Creating FlexE slices on an SDN controller, setting slice bandwidths according to the service, and binding each slice to a physical link between routers; creating L2 EVPN service according to the terminal access requirement, naming the service according to the terminal type, and binding a unique slice for each service; and configuring access point router equipment to realize hard isolation bearing of coal mine multi-service on a single physical network.
6. A coal mine multi-service hard isolation system, characterized in that the method based on the coal mine multi-service hard isolation as claimed in claim 1 comprises the following steps: the terminal devices are respectively used for realizing a plurality of services of the coal mine; The access routers are respectively connected with the terminal devices in a one-to-one correspondence manner; The aggregation slice routers are used for being deployed at the central position of the underground network, are connected by adopting optical cables and are in annular links, and are respectively connected with the access routers in a one-to-one correspondence manner; the two core slice routers are used for being deployed in a ground machine room of a coal mine, and a plurality of the converging slice routers are connected to the core slice routers through single-mode double-fiber optical cables; and the SDN controller is used for realizing network configuration, flow scheduling, state monitoring and fault processing, and is respectively connected with the two core slice routers.
7. The coal mine multi-service hard isolation system of claim 6, wherein the plurality of access routers comprise a plurality of ground slice access routers and a plurality of mine slice access routers, the plurality of ground slice access routers are respectively connected with the core slice routers for deployment in a machine room, a substation, a main well, a secondary well or a coal preparation plant, and the mine slice access routers are respectively connected with the plurality of converging slice routers for deployment in a downhole chamber, a yard, a working surface or a gateway.
8. The coal mine multi-service hard isolation system according to claim 6, wherein two core slice routers are connected through a single-mode dual-fiber optical cable to form a core layer redundancy architecture.

Description

Method and system for realizing multi-service hard isolation of coal mine Technical Field The invention belongs to the technical field of networks, and particularly relates to a method and a system for realizing multi-service hard isolation of a coal mine. Background With rapid development of mine intellectualization, the types of services to be carried by a mine communication network are increased, and the mine communication network covers multiple fields of safety production monitoring, personnel and equipment positioning, high-definition video monitoring, industrial control, voice communication and the like. The traditional mine communication network generally adopts a mode that a plurality of physical networks respectively bear different services, and the mode has a plurality of remarkable defects: The traditional industrial Ethernet lacks effective isolation, safety services such as gas monitoring, emergency risk avoidance and the like and unsafe services such as office data, voice and the like share resources, the safety data is easy to delay or lose due to the interference of the unsafe services, in addition, in the service adaptation process, the bandwidth is not dynamically managed and controlled and divided by priority, the bandwidth is contended by high-definition video large code stream, positioning high-frequency data and industrial control low-delay signals, video blocking, data packet loss and command delay jitter exceeding often occur, and the network security of coal mine enterprises is insufficient. Disclosure of Invention In view of the above, the invention discloses a coal mine multi-service hard isolation method and a system, which aim to solve the problems of low service isolation, inflexible bandwidth allocation and insufficient network security of coal mine enterprises existing in the existing coal mine industrial ring network. The technical scheme of the invention is as follows: a method for realizing multi-service hard isolation of a coal mine comprises the following steps: The method comprises the steps that overall network planning is conducted on terminal equipment of a plurality of services of a coal mine, and a wired slicing network is constructed, wherein the wired slicing network comprises an SDN controller and a plurality of independent slices, and each slice corresponds to one service; Acquiring network coverage requirements of a plurality of services in real time, and determining transmission bandwidth requirements of the services; Determining the number of slicing routers based on the transmission bandwidth requirements of each service; Taking the distribution of each service system as a core, preliminarily corresponding the slicing router and the equipment to the periphery of a distribution area of each service system, combining the network topology structure to adjust the positions, determining the installation positions of the slicing router and the equipment and naming the slicing router and the equipment; performing network configuration and physical connection on the SDN controller and the wired slice network, and mapping the data traffic of each service to a corresponding slice during network configuration; And unified nanotubes are carried out on the slicing router and the equipment through the SDN controller, and slicing rules are issued, so that the hard isolation of coal mine multi-service is realized. Preferably, the determining the number of slicing routers based on the transmission bandwidth requirement of each service includes the steps of: Based on the transmission bandwidth requirements of each service, adding the transmission bandwidths of each service, and superposing 10% -20% of protocol overhead and 30% -50% of redundant bandwidth to obtain the total required bandwidth; Establishing a hierarchical accounting corresponding relation according to the functional positioning of each service, the service bearing proportion and the link redundancy requirement, and sequentially distributing the total required bandwidth to each service layer network to obtain a corresponding service layer bandwidth; Determining the number of slice routers required by each layer based on the service layer bandwidth; And respectively adding the reserved redundant slice router numbers to the convergence layer and the access layer on the basis of the determined slice router numbers required by each layer to obtain the slice router numbers. Preferably, when determining the installation positions of the slice router and the equipment, checking obstacles and electromagnetic interference sources in a roadway, confirming that the installation positions have adaptive power supply conditions, and enabling the same type of equipment to be uniformly distributed to balance loads while trimming point positions to eliminate coverage blind areas. Preferably, the physical connection follows the line shortest principle, and the key link adopts a double-line redundancy design. Preferably, unifie