CN107800598B - Remote universal peripheral access method, device and system - Google Patents
Remote universal peripheral access method, device and system Download PDFInfo
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- 238000012795 verification Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims description 26
- 208000033126 Colobomatous microphthalmia Diseases 0.000 claims description 19
- 208000034367 isolated with coloboma microphthalmia Diseases 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 11
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
- H04L63/0236—Filtering by address, protocol, port number or service, e.g. IP-address or URL
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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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
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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Abstract
The invention discloses a remote universal peripheral access method, a device and a system, after a peripheral is accessed to a node, the type information of the peripheral is obtained, and the access mode is determined according to the type information of the peripheral, wherein the access mode is as follows: after access verification is carried out on network docking service provided by the peripheral equipment, the uplink and downlink processing of peripheral equipment data is realized; or the peripheral equipment and the node carry out encryption authentication, and after the authentication is passed, the node transmits the received data through the built-in protocol stack. The invention can realize the unified management of all the nodes, reduce the cost investment, better realize the measurement of various factors in the electric power tunnel, ensure the safe reliability of the operation of the electric power tunnel and ensure the stability of power supply.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a remote universal peripheral access method, a device and a system.
Background
With the rapid development of electric power industry, the automation management level of electric power equipment is improved, the electric power tunnel is rapidly increased, the power consumption is increased, the long-time operation of cables is realized, and the safety and stability operation of equipment in the cable tunnel seriously influences the reliability of power supply, so that the factors such as gas, temperature, environment and the like in the electric power tunnel need to be monitored.
Because the factor variety of monitoring in the electric power tunnel is more, then just involve the access of all kinds of terminals, because the tunnel can provide the unicity of basic communication link and interface at present, terminal equipment access's expansibility, flexibility are poor.
In summary, an effective solution to the access problem of multiple terminal devices in the power tunnel in the prior art is still lacking.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a remote universal peripheral access method which can realize flexible and reliable access of various peripheral terminals.
The remote general peripheral access method comprises the following steps:
after the peripheral is accessed to the node, acquiring the type information of the peripheral;
determining an access mode according to the type information of the peripheral equipment, wherein the access mode is as follows: providing network docking service for the peripheral equipment, and realizing the uplink and downlink processing of peripheral equipment data after access verification; or
And the peripheral equipment and the node carry out encryption authentication, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
Further, after obtaining the type information of the peripheral device, if the type information of the peripheral device is the internet access device, the remote general peripheral access method further includes: and adding a peripheral MAC address to a node manager firewall white list, and then performing normal network access.
Furthermore, after a peripheral MAC address is added to a firewall white list of the node manager, the internet access equipment accesses the network docking service, and after access verification is passed, uplink and downlink processing of data of the internet access equipment can be realized.
Further, after obtaining the type information of the peripheral device, if the type information of the peripheral device is an I/O interface device, the node is used as a gateway to implement protocol conversion, and the remote general peripheral device access method further includes:
the node application layer provides various encryption authentication modes, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
Further, the node application layer can provide customized services and achieve peripheral access processing corresponding to various protocols.
Further, the I/O interface devices include, but are not limited to, 485 serial devices, bluetooth devices, wireless MESH devices, digital devices, and analog devices.
Furthermore, the I/O interface device adopts a node MAC address to indicate which node the device is accessed by, a node interface name and a device ID of the universal peripheral device are integrated to be used as the unique identifier of the universal peripheral device.
Furthermore, the invention also discloses a remote universal peripheral access device, which comprises:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring the type information of the peripheral after the peripheral is accessed to a node;
the peripheral access unit is used for determining an access mode according to the type information of the peripheral, and the access mode is as follows: after access verification is carried out on network docking service provided by the peripheral equipment, the uplink and downlink processing of peripheral equipment data is realized; or
And the peripheral equipment and the node carry out encryption authentication, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
Furthermore, the invention also discloses a remote universal peripheral access system, which comprises a monitoring platform, wherein the monitoring platform is communicated with at least one node through a node manager, and is used for:
after the peripheral is accessed to the node, acquiring the type information of the peripheral;
determining an access mode according to the type information of the peripheral equipment, wherein the access mode is as follows: after access verification is carried out on network docking service provided by the peripheral equipment, the uplink and downlink processing of peripheral equipment data is realized; or
And the encryption authentication between the peripheral and the node is realized, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
Furthermore, the node manager and the nodes are communicated through high-speed differential buses.
Further, the node is an arm architecture hardware terminal and provides an access port for a network port, a 485 serial port, Bluetooth, a wireless MESH, a digital quantity and an analog quantity;
the application layer of the node realizes the protocol adaptation of external equipment, a TCP/IP protocol stack is arranged in the node, and data can be reliably transmitted to a monitoring platform through the TCP/IP protocol stack;
each node also provides a power interface for accessing a power supply for the peripheral terminal.
Compared with the prior art, the invention has the beneficial effects that:
1. the node of the invention can provide diversified interfaces, realize the access of various terminal devices, meet the compatibility of different products and different manufacturers, and improve the expansibility and flexibility of the system.
2. The node manager can realize the routing functions of communication scheduling, node state monitoring, node communication parameter configuration, node and network peripheral network address translation, port mapping and the like among all nodes, and provides a stable transfer function for the nodes and a monitoring platform to realize data transmission.
3. The monitoring platform can realize the unified management of all the nodes, reduce the cost investment, better realize the measurement of various factors in the electric power tunnel, ensure the safe reliability of the operation of the electric power tunnel and ensure the stability of power supply.
4. The invention adopts the high-speed differential bus for data transmission, and the high-speed differential bus has the characteristics of convenient deployment, flexible distance and the like. One cable is deployed to meet the requirements of terminal power supply and communication, and the bus distance between nodes can be flexibly deployed according to the requirement.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of a node structure according to the present invention;
FIG. 3 is a schematic diagram of communication between a testing platform and a node according to the present invention.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background art, the prior art has a disadvantage of a single type of interface in the power tunnel, and in order to solve the above technical problems, the present application provides a remote general peripheral access method, apparatus and system.
In a typical embodiment of the present application, a remote general peripheral access method is provided, where the remote general peripheral access method includes:
after the peripheral is accessed to the node, acquiring the type information of the peripheral;
determining an access mode according to the type information of the peripheral equipment, wherein the access mode is as follows: after access verification is carried out on network docking service provided by the peripheral equipment, the uplink and downlink processing of peripheral equipment data is realized; or
And the peripheral equipment and the node carry out encryption authentication, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
In practical application, because the monitoring quantity in the electric power tunnel is large, a large number of monitoring terminals are correspondingly needed, and the interfaces of the monitoring terminals are different, so that all the terminals need to be accessed aiming at various interfaces, and the terminal interfaces are classified, so that the quick access of all types of universal peripherals can be realized.
When the peripheral equipment is the network peripheral equipment, firstly, judging whether the terminal is the network peripheral equipment or not, if so, realizing the access of the network peripheral equipment by providing the network, and realizing the data transmission under the condition that the network peripheral equipment has network service.
When the general-purpose peripheral is other general-purpose peripherals, the encryption authentication of the general-purpose peripheral and the node is required, the authentication mode is related to the type of the general-purpose peripheral, the encryption mode can be supported and processed between the general-purpose peripheral and the node, and the existing encryption authentication modes are many and are not limited specifically here.
Therefore, in practical application, the access modes of different peripherals are realized by classifying the peripherals, the access management of the monitoring platform on all the universal peripherals is finally realized, and the monitoring of various monitoring terminals on corresponding variables in the electric power tunnel is realized.
In a specific embodiment of the present invention, after obtaining the type information of the peripheral device, if the type information of the peripheral device is the internet access device, the remote general peripheral device access method further includes: and adding a peripheral MAC address to a node manager firewall white list, and then performing normal network access.
When the peripheral MAC address is added to the firewall white list of the node manager, the network port equipment accesses the network docking service, and after access verification, uplink and downlink processing of the data of the network port equipment can be realized.
In practical application, for the network port device, at the time of access, since the network port device has the MAC address and is unique, only the network port device needs to be connected
After obtaining the type information of the peripheral, if the type information of the peripheral is an I/O interface device, the remote general peripheral access method further includes: the MAC address of the peripheral equipment is put into a firewall white list of a node manager, the node manager is used for managing the address, namely, the access processing of the general peripheral equipment is realized, and the MAC addresses of various network general peripheral equipment which can be accessed into the network are stored in the firewall white list, which indicates that the corresponding network general peripheral equipment can be accessed into the network.
In the specific implementation example provided by the invention, the node application layer provides a plurality of encryption authentication modes, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
Because the node is a control node established by using the ARM, that is, the node is an intelligent node and has functions of control and data processing, and in the node, a corresponding program algorithm is programmed to realize corresponding functions, the node application layer can provide customized services and realize peripheral access processing corresponding to various protocols, and specific protocol algorithms belong to the prior art and are not introduced one by one here.
In the specific implementation example provided by the present invention, in practical applications, the I/O interface devices include but are not limited to 485 serial devices, bluetooth devices, wireless MESH devices, digital devices, and analog devices.
The I/O interface equipment adopts a mode of node MAC address + access mode + peripheral identification as the unique identification of the equipment.
In another embodiment of the present application, the present invention further discloses a remote universal peripheral access apparatus, including:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring the type information of the peripheral after the peripheral is accessed to a node;
the peripheral access unit is used for determining an access mode according to the type information of the peripheral, and the access mode is as follows: after access verification is carried out on network docking service provided by the peripheral equipment, the uplink and downlink processing of peripheral equipment data is realized; or
And the peripheral equipment and the node carry out encryption authentication, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
In practical applications, the remote general peripheral access device may be a computer-related device such as an intelligent terminal, a monitoring platform, and a controller that can implement the above functional unit, and a specific expression form of the remote general peripheral access device is not specifically limited herein.
In another embodiment of the present application, the present invention further discloses a remote universal peripheral access system, as shown in fig. 1, the system includes a monitoring platform, the monitoring platform is connected to a manager through a network port, the monitoring platform communicates with at least one node through the manager, and the manager is connected to a plurality of node devices through a high-speed differential bus.
The monitoring platform is used for realizing authority control of equipment hanging under the node, status display of the equipment hanging, parameter configuration and the like.
The node manager realizes the routing functions of communication scheduling, node state monitoring, node communication parameter configuration, node and network peripheral network address translation, port mapping and the like among all nodes.
As shown in fig. 2, the node is an arm architecture hardware terminal and provides access ports such as a network port, a 485 serial port, bluetooth, wireless MESH, digital quantity, analog quantity, and the like; the application layer realizes the protocol adaptation of the external equipment; the gateway carries out protocol conversion; the TCP/IP protocol stack is built in, and data can be reliably transmitted to the monitoring platform through the TCP/IP protocol stack.
Each node also provides a 48v power supply interface and the like, and provides one-stop service for peripheral terminal access.
In another embodiment of the present application, the present invention further discloses a communication method for accessing a remote general peripheral corresponding to the general peripheral access system, including:
for the access of the network port equipment, the MAC address of the network port equipment needs to be added to a firewall white list of a node manager, so that the normal network access can be performed. After the data is added to the white list, the internet access device can access the network docking service provided by the platform, and the data uplink and downlink processing can be realized after the access verification of the platform.
About 485 serial devices, bluetooth equipment, wireless MESH equipment, digital quantity, analog quantity etc. equipment access: a way of performing encryption authentication with a node is required as a premise of access permission. The node application layer provides a plurality of encryption authentication modes for selection and is configured by the platform. The node application layer can also provide customized services to realize access processing of various protocol devices.
After the authentication is passed, the node establishes a TCP connection with the platform through the built-in TCP/IP protocol stack, and the connection provides a reliable communication channel between the peripheral and the platform, as shown in fig. 3, the platform can access the peripheral through the channel, and the node serves as a gateway, which can provide transparent forwarding service and protocol conversion service between the platform and the peripheral. The monitoring platform can access the peripheral equipment through the node gateway and perform processing such as peripheral equipment state display, equipment control, parameter configuration and the like.
In practical application, all the peripherals are managed uniformly through a platform, wherein the network peripherals are used as unique identifiers because the network peripherals have MAC addresses.
For 485 serial port equipment, Bluetooth equipment, wireless MESH equipment, digital quantity, analog quantity and other equipment, the platform needs to be integrated through a plurality of characteristic quantities to be used as an identifier to distinguish different equipment accesses, and the method is as follows:
in specific application, the node MAC address: indicating which node the device is accessed by, since all nodes are connected to the high speed differential bus, it is necessary to know which node the peripheral is accessed to, and therefore, the MAC address of that node.
An access mode is as follows: the interface name, since the node includes a plurality of interfaces, after determining a specific node, the interface name of the corresponding node needs to be determined, such as number quantity interface 1.
Device ID: when the 485 bus interface is connected with a plurality of devices, different 485 devices need to be distinguished through IDs. The ID can be characterized in various ways, such as a device number, a bluetooth MAC address, a unique ID identification of the device from the manufacturer, and the like.
Therefore, the unique determination of the connected peripheral equipment can be realized by combining the node MAC address, the access mode and the equipment ID, and the determination mode is accurate and beneficial to realization. After determining the peripherals under the accessed nodes, the monitoring platform can realize related functions such as further management of the peripherals.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The remote universal peripheral access method for the electric power tunnel is characterized by comprising the following steps:
after the peripheral is accessed to the node, acquiring the type information of the peripheral;
determining an access mode according to the type information of the peripheral equipment, wherein the access mode is as follows: providing network docking service for the peripheral equipment, and realizing the uplink and downlink processing of peripheral equipment data after access verification; or
The peripheral and the node carry out encryption authentication, and after the authentication is passed, the node transmits the received data through a built-in protocol stack;
after obtaining the type information of the peripheral equipment, if the type information of the peripheral equipment is the internet access equipment, the method for accessing the remote universal peripheral equipment of the electric power tunnel further comprises the following steps: adding a peripheral MAC address to a node manager firewall white list, and then performing normal network access;
after acquiring the type information of the peripheral equipment, if the type information of the peripheral equipment is I/O interface equipment, the node is used as a gateway to realize protocol conversion;
and the nodes and the node manager are communicated with the nodes through high-speed differential buses.
2. A remote universal peripheral access method for power tunnels as claimed in claim 1, wherein after adding the peripheral MAC address to the node manager firewall white list, the portal device accesses the network docking service, and after access verification, the uplink and downlink processing of the portal device data can be realized.
3. A method as claimed in claim 1, wherein said method further comprises:
the node application layer provides various encryption authentication modes, and after the authentication is passed, the node transmits the received data through the built-in protocol stack.
4. A method as claimed in claim 3, wherein said node application layer is capable of providing customized services to implement peripheral access processing corresponding to various protocols.
5. A remote universal peripheral access method for electric power tunnel according to claim 3 or 4, wherein said I/O interface device includes but is not limited to 485 serial port device, Bluetooth device, wireless MESH device, digital device and analog device.
6. Remote general peripheral hardware access device in electric power tunnel, characterized by includes:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring the type information of the peripheral after the peripheral is accessed to a node;
the peripheral access unit is used for determining an access mode according to the type information of the peripheral, and the access mode is as follows: after access verification is carried out on network docking service provided by the peripheral equipment, the uplink and downlink processing of peripheral equipment data is realized; or
The peripheral and the node carry out encryption authentication, and after the authentication is passed, the node transmits the received data through a built-in protocol stack;
after obtaining the type information of the peripheral equipment, if the type information of the peripheral equipment is a network port device, the remote universal peripheral equipment access device for the electric power tunnel further comprises: adding a peripheral MAC address to a node manager firewall white list, and then performing normal network access;
after acquiring the type information of the peripheral equipment, if the type information of the peripheral equipment is I/O interface equipment, the node is used as a gateway to realize protocol conversion;
and the nodes and the node manager are communicated with the nodes through high-speed differential buses.
7. Remote general peripheral access system in electric power tunnel, characterized by, the system includes monitoring platform, monitoring platform passes through node manager and at least one node communication, monitoring platform is used for:
after the peripheral is accessed to the node, acquiring the type information of the peripheral;
determining an access mode according to the type information of the peripheral equipment, wherein the access mode is as follows: after access verification is carried out on network docking service provided by the peripheral equipment, the uplink and downlink processing of peripheral equipment data is realized; or
The encryption authentication between the peripheral and the node is realized, and after the authentication is passed, the node transmits the received data through the built-in protocol stack;
after obtaining the type information of the peripheral equipment, if the type information of the peripheral equipment is a network port device, the remote universal peripheral equipment access system for the electric power tunnel further comprises: adding a peripheral MAC address to a node manager firewall white list, and then performing normal network access;
after acquiring the type information of the peripheral equipment, if the type information of the peripheral equipment is I/O interface equipment, the node is used as a gateway to realize protocol conversion;
and the nodes and the node manager are communicated with the nodes through high-speed differential buses.
8. A remote universal peripheral access system for electrical tunnels as claimed in claim 7 wherein said node managers communicate with each other and with each other via high speed differential buses.
9. A remote universal peripheral access system for an electric power tunnel according to claim 7, wherein said node is an arm architecture hardware terminal providing access ports for network port, 485 serial port, bluetooth, wireless MESH, digital quantity and analog quantity;
the application layer of the node realizes the protocol adaptation of the external equipment, a TCP/IP protocol stack is arranged in the node, and data can be reliably transmitted to the monitoring platform through the TCP/IP protocol stack.
10. A remote universal peripheral access system according to any of claims 7 to 9 wherein each node further provides a power interface for accessing a power supply to a peripheral terminal.
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