CN110351373A - A kind of long-distance monitoring method and device in power station - Google Patents
A kind of long-distance monitoring method and device in power station Download PDFInfo
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- CN110351373A CN110351373A CN201910636069.6A CN201910636069A CN110351373A CN 110351373 A CN110351373 A CN 110351373A CN 201910636069 A CN201910636069 A CN 201910636069A CN 110351373 A CN110351373 A CN 110351373A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 51
- 230000004044 response Effects 0.000 claims abstract description 46
- 238000012806 monitoring device Methods 0.000 claims description 13
- 230000000977 initiatory effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- H02J13/0013—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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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
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Abstract
The long-distance monitoring method and device in power station provided by the invention, when user passes through extranet access intranet host, the access request of the second level domain comprising the intranet host is sent to public network server, public network server parses the IP address of internal network that the second level domain obtains intranet host, then, the access request will be sent to corresponding intranet host according to the IP address of internal network.Intranet host responds the access request and obtains response data, and the response data is sent to user equipment.Realize the long-range monitoring by outer net to the power station in Intranet.Long-range monitoring can be realized without third party software in the program, therefore, reduces system cost, moreover, this method can remotely be monitored by outer net, this improves the O&M efficiency in power station.
Description
Technical field
The invention belongs to technical field of the computer network more particularly to the long-distance monitoring methods and device in a kind of power station.
Background technique
With industrial development, the construction in power station is more and more common, and wisdom O&M is played during the O&M of power station to pass
Important role.Wisdom O&M is mainly reflected in remotely monitoring and maintenance power station running status.
Currently, novel maintenance mode needs to rely on on-site technical support, or power station is observed by third party software etc.
Basic operating condition and lookup and positioning key equipment failure problems in the process of running.This mode is at high cost, imitates
Rate is low.Moreover, can not directly access the power station equipment in Intranet under outer network environment, lead to not obtain the number in power station equipment
According to can not remotely be monitored by outer net to power station equipment and O&M.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of long-distance monitoring method in power station and devices, and disclose as
Lower technical solution:
In a first aspect, being applied to public network server the present invention provides a kind of long-distance monitoring method in power station, pre-establishing
The connection between intranet host in the public network server and power station；The described method includes:
The access request of user equipment access intranet host is received, carries the two of the intranet host in the access request
Grade domain name, the second level domain are generated by the public network server based on the IP address of internal network of the intranet host；
It parses the second level domain and obtains the corresponding IP address of internal network of the intranet host；
The access request is forwarded to the intranet host according to the IP address of internal network, so that the intranet host is rung
Answer the access request；
The response data that the intranet host returns is received, and the response data is sent to the user equipment.
Optionally, the method also includes:
The application for domain names request that the intranet host is sent is received, domain name application is requested for applying for the interior host
The second level domain of machine, and domain name application request carries the unique identification of the intranet host and the Intranet of the intranet host
IP address；
Domain name application request is responded, judges whether have the corresponding second level domain of the intranet host；
If having the corresponding second level domain of the intranet host, the corresponding second level domain of the intranet host is sent
It is saved to the forwarding intranet host；
If the public network server is based on the intranet host without the intranet host corresponding second level domain
The IP address of internal network of unique identification and the intranet host generates the corresponding second level domain of the intranet host, and by the second level
Domain name is sent to the intranet host and is saved.
Optionally, the parsing second level domain obtains the corresponding IP address of internal network of the intranet host, comprising:
It parses the second level domain and obtains the corresponding unique identification of the intranet host；
Search IP address of internal network corresponding to the unique identification.
It is optionally, described to judge whether have the corresponding second level domain of the intranet host, comprising:
Judge the unique identification that the intranet host whether is stored in the message stack of the public network server, wherein institute
State the unique identification that intranet host is stored in message stack and corresponding second level domain；
If being stored with the unique identification of the intranet host in the message stack, it is determined that have the intranet host pair
The second level domain answered；
If there is no the unique identification of the intranet host in the message stack, it is determined that corresponding without the intranet host
Second level domain.
Second aspect, the present invention also provides a kind of power station remote monitoring methods, are applied in intranet host, pre-establish
Connection between the intranet host and public network server, which comprises
By the connection between the intranet host and public network server, the access for receiving the public network server forwarding is asked
Ask, the access request for make the public network server parse to obtain IP address of internal network corresponding with the intranet host and according to
The intranet host is forwarded to according to the IP address of internal network；
It responds the access request and obtains corresponding response data, and be sent to the public network server, so that the public affairs
The response data is sent to the user equipment for initiating the access request by network server.
Optionally, after the connection established between the public network server and the intranet host, the method is also wrapped
It includes:
Connection monitoring information is sent to the public network server according to the specified period；
If sending the prison for not receiving the public network server in the preset duration after the connection monitoring information and returning
Response message is listened, the connection between the public network server is re-established.
The third aspect, the present invention also provides a kind of long-distance monitorng devices in power station, are applied to public network server, build in advance
Stand the connection between the intranet host in the public network server and power station；Described device includes:
First receiving module is taken in the access request for receiving the access request of user equipment access intranet host
Second level domain with the intranet host, Intranet IP of the second level domain by the public network server based on the intranet host
Address generates；
Parsing module obtains the corresponding IP address of internal network of the intranet host for parsing the second level domain；
Forwarding module, for the access request to be forwarded to the intranet host according to the IP address of internal network, so that
The intranet host responds the access request；
Second receiving module, the response data returned for receiving the intranet host, and the response data is sent
To the user equipment.
Optionally, the parsing module includes:
Analyzing sub-module obtains the corresponding unique identification of the intranet host for parsing the second level domain；
Submodule is searched, for searching IP address of internal network corresponding to the unique identification.
Fourth aspect, the present invention also provides a kind of power station remote monitoring devices, are applied in intranet host, pre-establish
Connection between the intranet host and public network server, described device include:
Receiving module, for receiving the public network service by the connection between the intranet host and public network server
Device forwarding access request, the access request for make the public network server parse to obtain it is corresponding with the intranet host
IP address of internal network is simultaneously forwarded to the intranet host according to the IP address of internal network；
Respond module obtains corresponding response data for responding the access request, and is sent to the public network service
Device, so that the response data is sent to the user equipment for initiating the access request by the public network server.
Optionally, described device further include:
Sending module, for sending connection monitoring information to the public network server according to the specified period；
Reconnect module, for when send it is described connect monitoring information after preset duration in do not receive the public affairs
When the monitoring response message that network server returns, the connection between the public network server is re-established.
The long-distance monitoring method in power station provided by the invention, the running state data in power station are pooled to Intranet monitoring device
In, in order to realize the data accessed in the Intranet monitoring device by public network server (i.e. outer net).Firstly, in public network server
Middle building forwarding server-side and the building forwarding client in the intranet host for being integrated with Intranet monitoring device, pass through forwarding visitor
The data transmission channel between public network server and intranet host is realized in connection between family end and forwarding server-side, that is, is realized
Data transmission channel between public network server and Intranet monitoring device.After establishing the data transmission channel, it is also necessary to public
Network server is that intranet host generates corresponding second level domain, so that user can directly be accessed in intranet host by the domain name
Data.When user passes through extranet access intranet host, the second level domain comprising the intranet host is sent to public network server
Access request, the IP address of internal network that public network server parses second level domain acquisition intranet host then will be according to Intranet IP
The access request is sent to corresponding intranet host by address.Intranet host responds the access request and obtains response data, and
The response data is sent to user equipment.Realize the long-range monitoring by outer net to the power station in Intranet.The program
Long-range monitoring can be realized without third party software, therefore, reduce system cost, moreover, this method can by outer net into
The long-range monitoring of row, this improves the O&M efficiency in power station.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 shows a kind of structural schematic diagram of power station remote monitoring system provided by the invention；
Fig. 2 shows a kind of flow charts of the long-distance monitoring method in power station provided in an embodiment of the present invention；
Fig. 3 shows the flow chart of the long-distance monitoring method in another power station provided in an embodiment of the present invention；
Fig. 4 shows the flow chart of the long-distance monitoring method in another power station provided in an embodiment of the present invention；
Fig. 5 shows a kind of structural schematic diagram of the long-distance monitorng device in power station provided in an embodiment of the present invention；
Fig. 6 shows the structural schematic diagram of the long-distance monitorng device in another power station provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to Figure 1, a kind of structural schematic diagram of power station remote monitoring system provided by the invention is shown, such as Fig. 1 institute
Show, which includes intranet host 1, public network server 2 and user equipment 3.
Wherein, intranet host 1 is the equipment being deployed in power station for collecting the operation data of each equipment in power station,
In one embodiment of the present of invention, each equipment in power station is collected by the Intranet monitoring device being integrated in intranet host 1
Operation data.
Intranet is also local area network, and for range, Intranet is exactly the network of fraction, and Intranet herein refers in power station
The local area network of formation.
Public network is also outer net, refers to global internet, public network server 2 is for providing unique public network IP
Location.User is able to access that the public network server by the public network IP address.
Wherein, mutually isolated between Intranet and public network, user can not pass through extranet access Intranet.Pass through outer net to realize
The purpose for accessing content, needs to establish the data transmission channel between Intranet and public network.
In one embodiment of the invention, building forwarding client (that is, Transmit client) in intranet host,
Meanwhile building forwarding server-side (that is, Transmit server-side) in public network server.By Transmit client and
Transmit server-side realizes the connection between intranet host and public network server.And by the IP address of internal network of intranet host
Public network IP address is translated into, is communicated between Intranet and public network by the data transmission channel to realize.
Specifically, the Transmit client is integrated in Intranet monitoring device.Intranet monitoring device can detect Ethernet,
The connectivity of WiFi, mobile communications network (such as 4G communication network) select available network channel by socket interface to consolidate
Fixed end mouthful connects transmit server-side with IP address of internal network, that is, establishes between Transmit client and transmit server-side
Connection.
It should be noted that being respectively arranged with messaging interface in Transmit client and Transmit server-side.
Messaging interface in Transmit client receives the message that Transmit server-side is sent, meanwhile, the information receiving and transmitting mould
Block is also used to send data to Transmit server-side.Messaging interface in Transmit server-side receives Transmit
The message that client is sent, meanwhile, which is also used to send data to Transmit server-side, alternatively, will
Data forwarding is to user equipment.
User equipment 3 is the equipment of user side, for example, it may be smart phone, tablet computer, personal computer etc. are set
It is standby.User sends access request to public network server by user equipment 3.
The process of the long-distance monitoring method in power station is discussed in detail below in conjunction with Fig. 2, it should be noted that in public network service
Device and intranet host execute following methods after establishing connection.
As shown in Fig. 2, the long-distance monitoring method in power station may comprise steps of:
S110, user side client send the access request of access intranet host to public network server.
In the present invention, which can be browser client, alternatively, opening exclusively for access intranet host
The application program etc. of hair.Wherein, user side client may be mounted at the equipment such as smart phone, tablet computer, personal computer
In.
User can input the corresponding second level domain of the intranet host to be accessed, user side client in user side client
End generates corresponding access request according to the second level domain and is sent to public network server.
Wherein, which is in public network server and interior host
It is that the intranet host generates that machine, which is established after connection by public network server,.
It should be noted that public network server is after intranet host generates corresponding second level domain, to return to the interior host
Machine, operation maintenance personnel obtain the intranet host by the on-site visit intranet host and correspond to second level domain and be supplied to user.In this way,
User directly can pass through the extranet access intranet host using the corresponding second level domain of intranet host.
S120, public network server parse the second level domain in access request, obtain the corresponding IP address of internal network of intranet host.
In one embodiment of the invention, public network server parses host in information acquisition entrained by the second level domain
The unique identification of machine, each intranet host uniquely correspond to a unique identification, can uniquely determine one by the unique identification
Intranet host.Then, by finding the corresponding Intranet IP of the intranet host in the unique identification secondary IP address mapping table
Address.
Wherein, the unique identification for having intranet host and corresponding IP address of internal network are recorded in IP address mapping table.Therefore, public
Network server finds the corresponding IP address of the intranet host according to the unique identification of intranet host from the IP address mapping table.
It should be noted that the Intranet port numbers of intranet host are 80 ports of default in the present invention, it is therefore not necessary in recording
The port numbers of host's machine.In other embodiments of the invention, it can also use non-default port, under such application scenarios, need
The Intranet port numbers of intranet host configuration are recorded as in IP address mapping table.
It should be noted that the Intranet monitoring that the unique identification of the intranet host can be integrated in the intranet host is set
Standby product ID (Serial Number, SN).Intranet monitors after establishing connection with Intranet monitoring device in intranet host
Equipment can actively push the identification information (i.e. product ID) of itself to intranet host.
Access request is forwarded to intranet host according to the IP address of internal network by S130, public network server.
Transmit server-side in public network server is by messaging interface according to the IP address of internal network by the access
The Transmit client being transmitted in intranet host is requested, i.e. access request is forwarded to interior host by realization public network server
Machine.
S140, the access request that intranet host response receives obtains corresponding response data, and the response data is sent out
It send to public network server.
After intranet host receives the access request of public network server forwarding, parses the access request and obtain intranet host
Unique identification and IP address of internal network determine the access request web content to be accessed.
The backstage Transmit client call local web in intranet host obtains number of responses corresponding with access request
According to, and the response data is sent to by messaging interface the Transmit server-side in public network server.
The response data received is sent to the user side client for initiating access request by S150, public network server.
Transmit server-side in public network server forwards after receiving the response data that Transmit client is sent
To the user side client for initiating the access request.
S160, user side client show the response data received.
User side client, which is shown, receives response data.
The long-distance monitoring method in power station provided in this embodiment when user passes through extranet access intranet host, takes to public network
Business device sends the access request of the second level domain comprising the intranet host, and public network server parses the second level domain and obtains interior host
Then the access request will be sent to corresponding intranet host according to the IP address of internal network by the IP address of internal network of machine.Intranet
The response of host access request obtains response data, and the response data is sent to user equipment.It realizes and passes through outer net
Long-range monitoring to the power station in Intranet.Long-range monitoring can be realized without third party software in the program, therefore, reduces and is
System cost, moreover, this method can remotely be monitored by outer net, this improves the O&M efficiency in power station.
Fig. 3 is referred to, the flow chart of the long-distance monitoring method in another power station provided in an embodiment of the present invention is shown, this
In embodiment, in order to guarantee the connectivity connecting between intranet host and public network server, intranet host is monitored using message
Mode solve the stability of interface channel.
As shown in figure 3, further comprising the steps of on the basis of this method embodiment shown in Fig. 2:
S210, intranet host send connection monitoring information to public network server according to the specified period.
In an embodiment of the present invention, Transmit of the Transmit client into public network server in intranet host
Server end sends the connection monitoring information.
Wherein, whether the interface channel which is used to monitor between intranet host and public network server connects
It is logical.
The specified period can set according to actual communication requirement, if be not to the requirement of real-time of communication it is very high, refer to
Fixed cycle can be set relatively longer；If the requirement of real-time to communication is relatively high, the phase that the specified period can be set
To shorter.
S220 is returned if public network server receives the connection monitoring information of intranet host transmission to intranet host
Monitor response message.
If the connection monitoring that the Transmit server-side in public network server receives the transmission of Transmit client disappears
Breath, then show that the interface channel between Transmit server-side and Transmit client is connected to.At this point, Transmit takes
End be engaged in Transmit client return monitoring response message, to inform that Transmit client interface channel is connection.
S230 determines itself and public network service after intranet host receives the monitoring response message of public network server transmission
Connection between device has been connected to.
If the Transmit client in intranet host receives the return of the Transmit server-side in public network server
Monitoring answer message, it is determined that the interface channel between Transmit client and Transmit server-side is connected to.
S240 is returned if intranet host does not receive public network server in the preset duration after transmission connects monitoring information
The monitoring response message returned, re-establishes itself connection between public network server.
If the Transmit client in intranet host does not have in the preset time period after transmission connects monitoring information
Message is answered in the monitoring for receiving the return of Transmit server-side, is shown between Transmit client and Transmit server-side
Interface channel is not connected to.At this point, Transmit client is attempted to re-establish itself connection between Transmit server-side.
The long-distance monitoring method in power station provided in this embodiment, using message monitoring mechanism solve public network server with it is interior
The stability of interface channel between host's machine provides reliability for long-range connection, improves the reliability remotely monitored.
Fig. 4 is referred to, the flow chart of the long-distance monitoring method in another power station provided in an embodiment of the present invention is shown, this
Embodiment will stress to introduce public network server to be the process that intranet host generates second level domain.
As shown in figure 4, further comprising the steps of on the basis of this method embodiment shown in Fig. 2:
S310, intranet host send application for domain names request to public network service area device.
After intranet host establishes connection with public network server for the first time, alternatively, intranet host is restarted and and public network server
After establishing connection, application for domain names request can be all sent to public network server.
The second level domain for applying for the intranet host is requested in domain name application, and domain name application request carries institute
State the unique identification of intranet host and the IP address of internal network of the intranet host.
The IP address of internal network of the unique identification of intranet host and intranet host is sent to by Transmit client
Transmit server end application second level domain.
S320, public network server respond application for domain names request, judge whether have the corresponding second level of the intranet host
Domain name；If it is, executing S330；If it is not, then executing S340.
After Transmit server-side receives application for domain names request, first judge public network server whether for the interior host
Machine distributed second level domain.In one embodiment of the invention, judge whether have the corresponding second-level domain of the intranet host
The process of name is as follows:
Be stored in the message stack of Transmit server-side intranet host unique identification and corresponding second level domain, if
The unique identification of the intranet host is stored in message stack, it is determined that have the corresponding second level domain of the intranet host；If disappeared
There is no the unique identification of the intranet host in breath stack, it is determined that the not corresponding second level domain of the intranet host.
The corresponding second level domain of the intranet host is sent to forwarding client and saved by S330, public network server.
If public network server is that the intranet host distributed second level domain, the intranet host pair is read from message stack
The second level domain answered simultaneously sends the intranet host, so that intranet host saves the second level domain.
S340, unique identification and IP address of internal network of the public network server based on intranet host generate intranet host corresponding two
Grade domain name, and second level domain is sent to intranet host and is saved.
If public network server is determined without distributing second level domain for the intranet host, based on the unique of intranet host
Mark and IP address of internal network generate corresponding second level domain, and are sent to Transmit client, are somebody's turn to do so that intranet host saves
Second level domain.Meanwhile public network server deposits the unique identification of the second level domain distributed for the intranet host and the intranet host
In the message stack for storing up Transmit server-side.
It should be noted that can be with S310~S340 on the basis of embodiment shown in Fig. 3, details are not described herein again.
The long-distance monitoring method in power station provided in this embodiment, public network server is in the domain name for receiving intranet host transmission
After application request, first judges whether it is the intranet host and distributed corresponding second level domain, if it is, directly reading the Intranet
The corresponding second level domain of host simultaneously returns to intranet host, reduces the waiting time of intranet host in this way, while guaranteeing Intranet
The uniqueness of the corresponding public network IP of host, and limited public network IP address resources volume is avoided to waste.If it is not, then being the Intranet
Host generates corresponding second level domain, and returns to intranet host.
On the other hand, the present invention also provides the long-distance monitorng device embodiments in power station.
Fig. 5 is referred to, a kind of structural schematic diagram of the long-distance monitorng device in power station provided by the invention, the device are shown
Applied in public network server.Pre-establish the connection between the intranet host in public network server and power station.
As shown in figure 5, the device includes: that the first receiving module 110, parsing module 120, forwarding module 130 and second connect
Receive module 140.
First receiving module 110, for receiving the access request of user equipment access intranet host.
The second level domain of intranet host is carried in the access request, which is based on the Intranet by the public network server
The IP address of internal network of host generates.
Parsing module 120 obtains the corresponding IP address of internal network of intranet host for parsing second level domain.
In one embodiment of the invention, which includes: analyzing sub-module and lookup submodule；
Analyzing sub-module obtains the corresponding unique identification of intranet host for parsing second level domain.
Submodule is searched, for searching IP address of internal network corresponding to unique identification.
Forwarding module 130, for access request to be forwarded to intranet host according to IP address of internal network, so that intranet host is rung
Answer access request.
Response data for receiving the response data of intranet host return, and is sent to user by the second receiving module 140
Equipment.
Optionally, the device further include:
Third receiving module, for receiving the application for domain names request of intranet host transmission.
The second level domain for applying for the intranet host is requested in domain name application, and domain name application request carries
The IP address of internal network of the unique identification of the intranet host and the intranet host；
Judgment module judges whether the existing corresponding second level domain of intranet host for responding application for domain names request.
In one embodiment of the invention, which is specifically used for:
Judge the unique identification that intranet host whether is stored in the message stack of public network server, wherein deposit in message stack
Contain intranet host unique identification and corresponding second level domain.If being stored with the unique identification of intranet host in message stack,
Then determination has the corresponding second level domain of the intranet host；If there is no the unique identification of intranet host in message stack, really
Determine the corresponding second level domain of no intranet host.
Return module, it is for when having the corresponding second level domain of the intranet host, the intranet host is corresponding
Second level domain is sent to the forwarding intranet host and is saved.
Generation module, for when there is no the corresponding second level domain of intranet host, unique mark based on the intranet host
Know and the IP address of internal network of the intranet host generates the corresponding second level domain of the intranet host, and the second level domain is sent out
It send to the intranet host and is saved.
Power station remote monitoring device provided in this embodiment, when user passes through extranet access intranet host, to public network service
Device sends the access request of the second level domain comprising the intranet host, and public network server parses the second level domain and obtains intranet host
IP address of internal network then the access request will be sent to corresponding intranet host according to the IP address of internal network.Interior host
Machine responds the access request and obtains response data, and the response data is sent to user equipment.It realizes through outer net pair
The long-range monitoring in the power station in Intranet.Long-range monitoring can be realized without third party software in the program, therefore, reduces system
Cost, moreover, this method can remotely be monitored by outer net, this improves the O&M efficiency in power station.
On the other hand, the present invention also provides a kind of power station remote monitoring device embodiments.
Fig. 6 is referred to, a kind of structural schematic diagram of power station remote monitoring device provided in an embodiment of the present invention is shown, it should
Device is applied in intranet host.
Wherein, the connection between the intranet host and public network server is pre-established.
As shown in fig. 6, the device includes:
Receiving module 210, for receiving public network server forwarding by the connection between intranet host and public network server
Access request.
The access request is for parsing the public network server with obtaining Intranet IP corresponding with the intranet host
Location is simultaneously forwarded to the intranet host according to the IP address of internal network.
Respond module 220 obtains corresponding response data for responding access request, and is sent to public network server, with
Make public network server that the response data to be sent to the user equipment for initiating the access request.
In one embodiment of the invention, described device further include:
Sending module 310, for sending connection monitoring information to the public network server according to the specified period.
Reconnect module 320, for when send it is described connect monitoring information after preset duration in do not receive institute
When stating the monitoring response message of public network server return, the connection between the public network server is re-established.
For the various method embodiments described above, for simple description, therefore, it is stated as a series of action combinations, but
Be those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because according to the present invention, certain
A little steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know that, it is retouched in specification
The embodiment stated belongs to preferred embodiment, and related actions and modules are not necessarily necessary for the present invention.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device class embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place ginseng
See the part explanation of embodiment of the method.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments can be realized those skilled in the art or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of long-distance monitoring method in power station, which is characterized in that be applied to public network server, pre-establish the public network service
The connection between intranet host in device and power station；The described method includes:
The access request of user equipment access intranet host is received, the second-level domain of the intranet host is carried in the access request
Name, the second level domain are generated by the public network server based on the IP address of internal network of the intranet host；
It parses the second level domain and obtains the corresponding IP address of internal network of the intranet host；
The access request is forwarded to the intranet host according to the IP address of internal network, so that the intranet host responds institute
State access request；
The response data that the intranet host returns is received, and the response data is sent to the user equipment.
2. the method according to claim 1, wherein the method also includes:
The application for domain names request that the intranet host is sent is received, domain name application is requested for applying for the intranet host
Second level domain, and domain name application request is with carrying the unique identification of the intranet host and the Intranet IP of the intranet host
Location；
Domain name application request is responded, judges whether have the corresponding second level domain of the intranet host；
If having the corresponding second level domain of the intranet host, the corresponding second level domain of the intranet host is sent to institute
Forwarding intranet host is stated to be saved；
If without the corresponding second level domain of the intranet host, the public network server is unique based on the intranet host
The IP address of internal network of mark and the intranet host generates the corresponding second level domain of the intranet host, and by the second level domain
The intranet host is sent to be saved.
3. method according to claim 1 or 2, which is characterized in that the parsing second level domain obtains the Intranet
The corresponding IP address of internal network of host, comprising:
It parses the second level domain and obtains the corresponding unique identification of the intranet host；
Search IP address of internal network corresponding to the unique identification.
4. according to the method described in claim 2, it is characterized in that, described judge whether have the intranet host corresponding two
Grade domain name, comprising:
Judge the unique identification that the intranet host whether is stored in the message stack of the public network server, wherein described to disappear
Cease the unique identification that intranet host is stored in stack and corresponding second level domain；
If being stored with the unique identification of the intranet host in the message stack, it is determined that it is corresponding to have the intranet host
Second level domain；
If there is no the unique identification of the intranet host in the message stack, it is determined that without the intranet host corresponding two
Grade domain name.
5. a kind of power station remote monitoring method, which is characterized in that be applied to intranet host in, pre-establish the intranet host with
Connection between public network server, which comprises
By the connection between the intranet host and public network server, the access request of the public network server forwarding is received,
The access request is for making the public network server parse to obtain IP address of internal network corresponding with the intranet host and foundation
The IP address of internal network is forwarded to the intranet host；
It responds the access request and obtains corresponding response data, and be sent to the public network server, so that the public network takes
The response data is sent to the user equipment for initiating the access request by business device.
6. according to the method described in claim 5, it is characterized in that, establish the public network server and the intranet host it
Between connection after, the method also includes:
Connection monitoring information is sent to the public network server according to the specified period；
If being answered sending the monitoring for not receiving the public network server return in the preset duration after the connection monitoring information
Message is answered, the connection between the public network server is re-established.
7. a kind of long-distance monitorng device in power station, which is characterized in that be applied to public network server, pre-establish the public network service
The connection between intranet host in device and power station；Described device includes:
First receiving module carries institute for receiving the access request of user equipment access intranet host in the access request
State the second level domain of intranet host, IP address of internal network of the second level domain by the public network server based on the intranet host
It generates；
Parsing module obtains the corresponding IP address of internal network of the intranet host for parsing the second level domain；
Forwarding module, for the access request to be forwarded to the intranet host according to the IP address of internal network, so that described
Intranet host responds the access request；
Second receiving module, the response data returned for receiving the intranet host, and the response data is sent to institute
State user equipment.
8. device according to claim 7, which is characterized in that the parsing module includes:
Analyzing sub-module obtains the corresponding unique identification of the intranet host for parsing the second level domain；
Submodule is searched, for searching IP address of internal network corresponding to the unique identification.
9. a kind of power station remote monitoring device, which is characterized in that be applied to intranet host in, pre-establish the intranet host with
Connection between public network server, described device include:
Receiving module, for receiving the public network server and turning by the connection between the intranet host and public network server
The access request of hair, the access request is for making the public network server parse to obtain Intranet corresponding with the intranet host
IP address is simultaneously forwarded to the intranet host according to the IP address of internal network；
Respond module obtains corresponding response data for responding the access request, and is sent to the public network server, with
Make the public network server that the response data to be sent to the user equipment for initiating the access request.
10. device according to claim 9, which is characterized in that described device further include:
Sending module, for sending connection monitoring information to the public network server according to the specified period；
Module is reconnected, for taking when not receiving the public network in preset duration after sending the connection monitoring information
When the monitoring response message that business device returns, the connection between the public network server is re-established.
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