CN101150429A - A remote monitoring or maintenance method and device - Google Patents
A remote monitoring or maintenance method and device Download PDFInfo
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- CN101150429A CN101150429A CNA2007100468878A CN200710046887A CN101150429A CN 101150429 A CN101150429 A CN 101150429A CN A2007100468878 A CNA2007100468878 A CN A2007100468878A CN 200710046887 A CN200710046887 A CN 200710046887A CN 101150429 A CN101150429 A CN 101150429A
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Abstract
This invention relates to a method for remote monitor or maintenance and a device for realizing it, in which, a remote monitor or maintenance working station is connected with an agent connected with an object needing remote monitor or maintenance via network, and the agent first of all monitors the communication state of the object and then transmits the monitor result to the working station to decide if it needs to access the object, after the agent sets up a virtual channel for the connection requirement of the station, it manages the channel safely by setting a timer with fixed time interval and sets up a transparent transmission path between the station and the object.
Description
Technical field
The present invention relates to the method for a kind of remote monitoring or maintenance and realize the device of this method.
Background technology
At present, along with territorial scope and each stop number of spots that industrial automation system is contained are increasing, need the device object of remote monitoring or maintenance more and more.For fault message and the timely analyzing failure cause of energy that obtains the device object that to monitor or to safeguard, the attendant need move the maintenance software of manufacturer at the particular device exploitation usually on PC, and be connected with the device object that needs monitoring or safeguard obtaining relevant fault message, and analyzing failure cause by serial communication mode.On the one hand, because the now operating most intelligent industrial equipment that needs monitoring or safeguard does not have the special-purpose PORT COM of safeguarding, most of enterprise can't bear the investment pressure that the existing intelligent industrial equipment that needs monitoring or safeguard of comprehensive renewal is brought, and when the utilization and operation PORT COM reads maintenance information, the intelligent industrial equipment that needs monitoring or safeguard just can interrupt with the communication of operation control centre, thereby cause it to lose monitoring, on the other hand, because these the intelligent industrial equipment that need monitor or safeguard are installed in mechanical floor usually, the surrounding environment more complicated, and the line length that serial communication is supported is limited, make by the maintenance extremely inconvenience of PC to these equipment, be unfavorable for the timely diagnosis and the solution of fault, and the maintenance interface of the smart machine that most of different vendors produce also has nothing in common with each other, the hard work difficulty is also more and more higher all the more for the plant maintenance task, and traditional on-the-spot manual maintenance way to manage no longer adapts to.In order to understand the running status of automated system whenever and wherever possible, finish the device maintenance management task that may need, promote automated system troubleshooting response speed, wise policymaker can reduce human cost in continuous searching, reduce to on-the-spot number of times, saving maintenance cost and the reliable and safe telemonitoring of fault handling time and the equipment and the solution thereof of maintenance.
Traditional maintenance mode generally takes the several intelligent industrial equipment that need monitoring or safeguard of server admin to form Internal Management System, remote maintenance or monitor workstation directly are connected with management server by public network, management server is for remote maintenance or monitor workstation and need monitoring or the intelligent industrial equipment safeguarded provides data message service transfer, thereby realize monitoring or the maintenance of remote maintenance or monitor workstation to the intelligent industrial equipment of needs monitoring or maintenance, but because public network is the network of an opening, server directly is connected into the attack that public network is easy to be subjected to the hacker, is absolutely unsafe.
For this reason, publication number is that the Chinese invention patent of CN 1553649A discloses a kind of safer " implementation method of remote maintenance ", and its implementation comprises: a, at server end one agency is set, this agency has listening port; B, server are connected by network with remote workstation by described proxy surfing; C, described listening port are intercepted the connection request from remote workstation, and the message between server and the remote workstation is transmitted, thereby realize the remote maintenance of remote workstation to server; Because server is directly online not, but, server has been played buffer action, had certain fail safe by the agent station online.But whether the communication state of server is normal, and whether needing remote workstation is that its maintenance monitoring is not addressed in said method; Be that the transparent transmission channel of setting up between remote workstation and the server is not done other safety measures, and the agency realizes information mutual communication by the processing method of setting up socket for communication between remote workstation and the server, above-mentioned agency need install one and special be its comparatively complicated agent software realization that designs, and how not to set up for socket and to address.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of communication state to need remote monitoring or service object dynamically to monitor and the snoop results whether communication state is healthy in time passes to remote monitoring or maintenance work station at above-mentioned prior art, and remote monitoring or maintenance work station have the method for this monitor channel being carried out the remote monitoring or the maintenance of safety control when needing remote monitoring or service object according to snoop results visit after monitor channel is opened.
The present invention further provides and how to have monitored the communication state that needs remote monitoring or service object, and how to have set up monitor channel and realize message transmission.
Second technical problem to be solved by this invention provides a kind of device of realizing above-mentioned remote monitoring or maintaining method.
The present invention solves the technical scheme that above-mentioned first technical problem adopts: the method for this remote monitoring or maintenance, at least include one and need remote monitoring or service object, one main control unit that is connected with need remote monitoring or service object, one remote monitoring or maintenance work station is characterized in that: the method for described remote monitoring or maintenance may further comprise the steps:
Step 1: in need remote monitoring or service object end one agency is set, this agency has listening port, and remote monitoring or maintenance work station link to each other with described listening port by network;
Step 2: need remote monitoring or service object by described proxy surfing, be connected by network with remote monitoring or maintenance work station;
Step 3: the agency monitors the communication state between need remote monitoring or service object and the main control unit, and monitoring result is transferred to remote monitoring or maintenance work station;
Step 4, when described remote monitoring or maintenance work station are monitored or when safeguarding described remote monitoring or the service object of needing according to the monitoring result needs, described agency sets the timer of a Fixed Time Interval to the connection of need remote monitoring or service object for each remote monitoring or maintenance work station, each connection request begins, described agency is for setting up a tunnel between described remote monitoring or maintenance work station and the described listening port, when this tunnel is opened, the timer of described Fixed Time Interval picks up counting, timing finishes, and described tunnel is closed;
Step 5: described agency's listening port is to intercepting from the connection request at remote monitoring or maintenance work station, simultaneously, described agency is to remote monitoring or maintenance work station and need the message between remote monitoring or service object to handle and transmit, and be to set up the transparent transmission path between described listening port and need remote monitoring or the service object, thereby realization remote monitoring or maintenance work station are to the remote monitoring or the maintenance of need remote monitoring or service object.
Need the network between remote monitoring or service object and described remote monitoring or the maintenance work station also can be local area network (LAN) for the internet.
Monitoring method to the communication state of need remote monitoring or service object in the above-mentioned steps three may further comprise the steps:
Step (one): act on behalf of to need remote monitoring or service object state parameter is set:
Control operation success rate: the percentage that the control operation number of success of need remote monitoring or service object is accounted for the master control number of operations;
Request of data average response time: to the mean value of request of data response time of need remote monitoring or service object;
For the control operation success rate is provided with the first alarm threshold value;
For the request of data average response time is provided with the second alarm threshold value;
And be to need the communication state health of remote monitoring or service object that evaluation criteria is set: normal condition, intermediateness and abnormal state;
Step (two): monitor the communication packet that needs between remote monitoring or service object and the main control unit;
Step (three): obtaining needs remote monitoring or service object that state parameter and preservation are set;
Step (four): the evaluation status parameter, when the control operation success rate is between the first alarm threshold value and 100%, and the request of data average response time is greater than zero during less than the second alarm threshold value, and providing the communication state health value is normal state signal; When the control operation success rate is zero or does not receive all once that in the setting-up time section response is the request of data average response time when infinitely great, providing the communication state health value is undesired signal; Under all the other situations, providing the communication state health value is the intermediateness signal;
Step (five): intermediateness provides early warning signal, and abnormal state provides alarm signal.
The method for building up of tunnel may further comprise the steps in the above-mentioned steps four:
Step (one): the network between detection listening port and remote monitoring or the maintenance work station is until successful connection;
Step (two): after the network successful connection, described agency obtains the dynamic IP addressing of oneself, and its dynamic IP addressing is reported to described remote monitoring or maintenance work station;
Step (three): described remote monitoring or maintenance work station are upgraded this and are acted on behalf of relevant communications parameters such as listening port and corresponding IP address thereof;
Step (four): whether described remote monitoring or the described agency's of maintenance work station inquiry connection need remote monitoring or service object be idle;
Step (five): if remote monitoring of described need or service object free time, described tunnel is set up and is finished.
The method for building up in transparent transmission path may further comprise the steps in the above-mentioned steps five:
Step (one): described agency is provided with at least one and described PORT COM that needs remote monitoring or service object to be connected;
Step (two): described agency stores the message that receives of described PORT COM or listening port;
Step (three): described agency carries out data analysis on the spot to the message that the PORT COM of storing receives, start data communication between PORT COM and listening port, and its analysis result is sent to remote monitoring or maintenance work station as the failure diagnosis foundation according to the time order and function order by described listening port and tunnel;
Step (four): described agency carries out data analysis on the spot to the message that the listening port of storing receives, start data communication between communication news port and listening port, and its analysis result sent to by described PORT COM according to the time order and function order need remote monitoring or service object, realize monitoring or maintenance to need remote monitoring or service object.
Data communication method may further comprise the steps between middle PORT COM of above-mentioned steps (four) and listening port:
Step 1: described agency sets up first processing procedure independently for described PORT COM, and be its first processing time of distributing independent sheet, simultaneously, described agency sets up second processing procedure independently for described listening port, is that described listening port distributes the second corresponding processing time sheet;
Step 2: described agency is in first processing procedure, at first analyze and pick up the message that receives from listening port, the message that receives until listening port forms complete Frame, then starts the described first processing time sheet, waits for the first processing procedure free time of PORT COM;
Step 3: when the first processing procedure free time of PORT COM, promptly start the PORT COM processing procedure with limit priority, in the first given processing time sheet, if PORT COM receives the complete answer that needs remote monitoring or service object, then give corresponding remote monitoring or maintenance work station by described listening port foldback.
Step 4: described agency is in second processing procedure, at first analyze and pick up the message that receives from PORT COM, if the message that PORT COM receives forms complete Frame, then start the described second processing time sheet, wait for the second processing procedure free time of listening port;
Step 5: when the second processing procedure free time of listening port, promptly start the listening port processing procedure with limit priority, the foldback information that PORT COM is received sends to remote monitoring or maintenance work station.
The present invention solves above-mentioned second technical scheme that technical problem adopted: the device of this realization remote monitoring or maintaining method is characterized in that including: at least one and the PORT COM that needs remote monitoring or service object to be connected; The listening port that at least one is connected with network with the remote monitoring or the maintenance work station of outer net; One is connected with described listening port in order to set up remote monitoring or maintenance work station and to need the dynamic routing module of the tunnel between remote monitoring or service object; A pair of described PORT COM is or/and listening port carries out the data transmit-receive module of Data Receiving or transmission; One sets up the data processing module in transparent transmission path between described PORT COM and listening port.
As further improvement, above-mentioned data processing module includes: one in order to store described PORT COM or/and listening port receives or the memory module of the data that send; The data message of a pair of described module stores carries out the monitoring analysis module of data analysis; One data show memory module; Module is preserved in one data search.
Compared with prior art, the invention has the advantages that: at first, act on behalf of to the health status of the communication state between need remote monitoring or service object and the main control unit and monitor, and the result is in time sent to remote monitoring or maintenance work station; Remote monitoring or maintenance work station are visited according to the warning message in the monitoring result and are needed remote monitoring or service object then, after the tunnel between remote monitoring or maintenance work station and the agency is opened, for this tunnel is carried out safety control, device provided by the invention is provided with the timer of access time restriction for this tunnel, the blanking time that surpasses timer when the accessing operation time at remote monitoring or maintenance work station, described tunnel is forced to disconnect, have fail safe, avoid same remote monitoring or the service object of needing to be taken by a remote monitoring or maintenance work station for a long time; Secondly, the device that provides among the present invention also can whether whether idle decision sets up tunnel according to the operating state of need remote monitoring or service object, has science; Once more, the device among the present invention is remote monitoring or maintenance work station and when needing remote monitoring or service object to set up the transparent transmission path, also has the function of diagnostic analysis.
Description of drawings
Fig. 1 is embodiment of the invention remote monitoring or maintenance work station and needs connected mode schematic diagram between remote monitoring or the service object;
The flow chart of monitoring of Fig. 2 embodiment of the invention medium-long range or maintaining method;
Fig. 3 is the monitoring method flow chart that needs the communication state of remote monitoring or service object among Fig. 2;
Fig. 4 is the flow chart of tunnel method for building up among Fig. 2;
Fig. 5 is the flow chart of transparent transmission path establishment method among Fig. 2;
Fig. 6 is the flow chart of data communication method between PORT COM and listening port among Fig. 5;
Fig. 7 is a system block diagram one of realizing the device of remote monitoring or maintaining method in the inventive embodiments;
Fig. 8 is a system block diagram two of realizing the device of remote monitoring or maintaining method in the inventive embodiments.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
One aspect of the present invention provides the method for a kind of remote monitoring or maintenance, and is that safety communication is set up with needing remote monitoring or service object in remote monitoring or maintenance work station; This method is every needs remote monitoring or agency of service object configuration, remote monitoring or maintenance work station link to each other by network agent, agency's monitoring needs the health status of the communication state between remote monitoring or service object and the main control unit, and the result is in time sent to remote monitoring or maintenance work station; Remote monitoring or maintenance work station need remote monitoring or service object according to the warning message in monitoring result visit then, the agency and and described remote monitoring or maintenance work station between network can also can be local area network (LAN) for the internet, see for details shown in Figure 1.
Certainly, an agency can connect many needs remote monitoring or service object, also can allow a plurality of remote monitoring or maintenance work station to be connected with the agency by network, the agency sets up tunnel and transparent transmission path with its need remote monitoring that need visit or service object respectively then.
As Fig. 2, in remote monitoring or the maintaining method 1, the agency at first monitors 10 to the communication state between need remote monitoring or service object and the main control unit, and monitoring result is transferred to remote monitoring or maintenance work station 11; Remote monitoring or maintenance work station are according to monitoring result, if desired need remote monitoring or service object are monitored or safeguarded, promptly access request is proposed to the agency, and no matter the agency is when, the capital judges whether to receive the access request 12 at remote monitoring or maintenance work station, received as the agency after the access request at remote monitoring or maintenance work station, set up a tunnel 13 between the listening port of agency for this remote monitoring or maintenance work station and agency, and start a timer 14, judge whether tunnel has opened 15, as not opening, then continue to submit to access request, after tunnel is opened, above-mentioned timer picks up counting 16, and agency's listening port is to intercepting 17 from the connection request at remote monitoring or maintenance work station, and for setting up transparent transmission path 18 between described listening port and need remote monitoring or the service object, judge whether timer time expires 19, as not yet due, message between remote monitoring or maintenance work station and need remote monitoring or service object is handled and transmits 20, thereby realize remote monitoring or the maintenance of remote monitoring or maintenance work station to need remote monitoring or service object, after timer time expires, disconnect tunnel 21 by force, this remote monitoring or maintenance work station such as need continue visit 22, then need submit access request again, described remote monitoring or maintaining method 1 dispose.
In the method 10 that above-mentioned agency monitors the communication state of need remote monitoring or service object, the agency is provided with two class state parameters for needing remote monitoring or service object: a class is operation control class, mainly show as the control operation success rate, it is defined as the percentage that the control operation number of success of need remote monitoring or service object is accounted for the master control number of operations; Two classes are the request of data class, mainly show as the request of data average response time, and it is defined as the mean value to the request response time of need remote monitoring or service object; And for the control operation success rate is provided with the first alarm threshold value; For the request of data average response time is provided with the second alarm threshold value; For the communication state health of need remote monitoring or service object is provided with evaluation criteria: normal condition, intermediateness and abnormal state; The agency at first monitors the communication packet between need remote monitoring or service object and the main control unit, and obtaining needs remote monitoring or service object that state parameter and preservation are set; Step (four): the evaluation status parameter, when the control operation success rate is between the first alarm threshold value and 100%, and the request of data average response time is greater than zero during less than the second alarm threshold value, and providing the communication state health value is normal state signal; When the control operation success rate is zero or does not receive all once that in the setting-up time section response is the request of data average response time when infinitely great, providing the communication state health value is undesired signal; Under all the other situations, providing the communication state health value is the intermediateness signal; When the communication state health value is that intermediateness provides the early warning notification signal, when the communication state health value is that abnormal state provides the alarm notification signal; When the communication state health value is under the normal condition, do not take any action to continue to monitor, see for details shown in Figure 3.
The above-mentioned method of setting up tunnel 13 starts from the whether successful connection 131 of the network that detects between listening port and remote monitoring or the maintenance work station, as does not connect successful connection, continues detection; After the network successful connection, the agency obtains the dynamic IP addressing 132 of oneself, and its dynamic IP addressing reported to remote monitoring or maintenance work station 133, remote monitoring or maintenance work station are upgraded this and are acted on behalf of relevant communications parameters 134 such as listening port and corresponding IP address thereof, then, whether remote monitoring or the inquiry of maintenance work station connect need remote monitoring or the service object acted on behalf of idle, i.e. inquiry needs PORT COM that remote monitoring or service object be connected with the agency whether occupied 135, if PORT COM does not have occupied, then the agency is remote monitoring or maintenance work station and needs remote monitoring or service object to open tunnel, provide tunnel and open into function signal 137, if PORT COM is occupied, then provide tunnel and set up unsuccessful signal 136, see for details shown in Figure 4.
As Fig. 5, the above-mentioned method of setting up transparent transmission path 18, start from the agency message that listening port or PORT COM receive is stored 181, act on behalf of the message that the PORT COM of storing is received then and carry out data analysis on the spot 182, start data communication 183 between communication news port and listening port, and with its analysis result according to the time order and function order by described listening port and tunnel send to remote monitoring or maintenance work station as failure diagnosis according to 184; Act on behalf of the message that the listening port of storing is received then and carry out data analysis on the spot 185, start data communication 183 between communication news port and listening port, and its analysis result sent to by described PORT COM according to the time order and function order need remote monitoring or service object 186, realize monitoring or maintenance to need remote monitoring or service object.
Between above-mentioned PORT COM and listening port in the method for data communication 183, the agency sets up first processing procedure independently for PORT COM, and be its first processing time of distributing independent sheet, simultaneously, the agency sets up second processing procedure independently for listening port, is the second processing time sheet that listening port distributes correspondence; Receive the message of PORT COM as the agency after,, analysis result is sent to remote monitoring or maintenance work station by second processing procedure by analyzing and processing; Receive the message of listening port as the agency after,, analysis result is sent to need remote monitoring or service object by first processing procedure by analyzing and processing; The agency at first analyzes and picks up the message that receives from PORT COM in second processing procedure, if the message that PORT COM receives forms complete Frame, then starts the described second processing time sheet, waits for the second processing procedure free time of listening port; When the second processing procedure free time of listening port, promptly start the listening port processing procedure with limit priority, the message that PORT COM is received sends to listening port, sends to remote monitoring or maintenance work station by tunnel then; The agency at first analyzes and picks up the message that receives from listening port in first processing procedure, and the message that receives until listening port forms complete Frame, then starts the described first processing time sheet, waits for the first processing procedure free time of PORT COM; When the first processing procedure free time of PORT COM, promptly start the PORT COM processing procedure with limit priority, the message that listening port is received sends to PORT COM, and PORT COM sends to above-mentioned message and needs remote monitoring or service object, and its handling process sees for details shown in Figure 6.
The present invention provides the device of realizing above-mentioned remote monitoring or maintaining method on the other hand, and it includes a PORT COM that is connected with need remote monitoring or service object; One monitoring port that is connected with need remote monitoring or service object; A listening port that is connected with network with the remote monitoring or the maintenance work station of outer net; One is connected with described listening port in order to set up remote monitoring or maintenance work station and to need the dynamic routing module of the tunnel between remote monitoring or service object; A pair of described PORT COM is or/and listening port carries out the data transmit-receive module of Data Receiving or transmission; One sets up the data processing module in transparent transmission path between described PORT COM and listening port; Above-mentioned data processing module includes again: one in order to store described PORT COM or/and listening port receives or the memory module of the data that send; The data message of a pair of described module stores carries out the monitoring analysis module of data analysis; One data show memory module; Module is preserved in one data search; If between said apparatus and need remote monitoring or the service object is serial communication, then above-mentioned PORT COM and monitoring port are two serial ports, and the connection block diagram between each module sees for details shown in Figure 7; If between said apparatus and need remote monitoring or the service object is network communication, then above-mentioned PORT COM and monitoring port can be two network interfaces, it also can be same network interface, be connected with need remote monitoring or service object respectively by behind this network interface access switch then, if PORT COM and monitoring port adopt same network interface, the connection block diagram between its each module sees for details shown in Figure 8;
Certainly, the invention provides the device of realizing remote monitoring or maintaining method, its PORT COM can be one, also can be for a plurality of, the need remote monitoring or the service object that promptly connect said apparatus can be one, also can be for a plurality of, and above-mentioned PORT COM can also can be serial ports for network interface.
Claims (8)
1. the method for remote monitoring or maintenance, at least include one and need remote monitoring or service object, one main control unit that is connected with need remote monitoring or service object, a remote monitoring or maintenance work station is characterized in that: the method for described remote monitoring or maintenance may further comprise the steps:
Step 1: in need remote monitoring or service object end one agency is set, this agency has listening port, and remote monitoring or maintenance work station link to each other with described listening port by network;
Step 2: need remote monitoring or service object by described proxy surfing, be connected by network with remote monitoring or maintenance work station;
Step 3: the agency monitors the communication state between need remote monitoring or service object and the main control unit, and monitoring result is transferred to remote monitoring or maintenance work station;
Step 4, when described remote monitoring or maintenance work station are monitored or when safeguarding described remote monitoring or the service object of needing according to the monitoring result needs, described agency sets the timer of a Fixed Time Interval to the connection of need remote monitoring or service object for each remote monitoring or maintenance work station, each connection request begins, described agency is for setting up a tunnel between described remote monitoring or maintenance work station and the described listening port, when this tunnel is opened, the timer of described Fixed Time Interval picks up counting, timing finishes, and described tunnel is closed;
Step 5: described agency's listening port is to intercepting from the connection request at remote monitoring or maintenance work station, simultaneously, described agency is to remote monitoring or maintenance work station and need the message between remote monitoring or service object to handle and transmit, and be to set up the transparent transmission path between described listening port and need remote monitoring or the service object, thereby realization remote monitoring or maintenance work station are to the remote monitoring or the maintenance of need remote monitoring or service object.
2. the method for remote monitoring according to claim 1 or maintenance is characterized in that: the agency may further comprise the steps the monitoring method of the communication state of need remote monitoring or service object in the described step 3:
Step (one): act on behalf of to need remote monitoring or service object state parameter is set:
Control operation success rate: the percentage that the control operation number of success of need remote monitoring or service object is accounted for the master control number of operations;
Request of data average response time: to the mean value of request of data response time of need remote monitoring or service object;
For the control operation success rate is provided with the first alarm threshold value;
For the request of data average response time is provided with the second alarm threshold value;
And be to need the communication state health of remote monitoring or service object that evaluation criteria is set: normal condition, intermediateness and abnormal state;
Step (two): monitor the communication packet that needs between remote monitoring or service object and the main control unit;
Step (three): obtaining needs remote monitoring or service object that state parameter and preservation are set;
Step (four): the evaluation status parameter, when the control operation success rate is between the first alarm threshold value and 100%, and the request of data average response time is greater than zero during less than the second alarm threshold value, and providing the communication state health value is normal state signal; When the control operation success rate is zero or does not receive all once that in the setting-up time section response is the request of data average response time when infinitely great, providing the communication state health value is undesired signal; Under all the other situations, providing the communication state health value is the intermediateness signal;
Step (five): intermediateness provides early warning signal, and abnormal state provides alarm signal.
3. the method for remote monitoring according to claim 1 or maintenance is characterized in that: the method for building up of tunnel may further comprise the steps in the described step 4:
Step (one): the network between detection listening port and remote monitoring or the maintenance work station is until successful connection;
Step (two): after the network successful connection, described agency obtains the dynamic IP addressing of oneself, and its dynamic IP addressing is reported to described remote monitoring or maintenance work station;
Step (three): described remote monitoring or maintenance work station are upgraded this and are acted on behalf of relevant communications parameters such as listening port and corresponding IP address thereof;
Step (four): whether described remote monitoring or the described agency's of maintenance work station inquiry connection need remote monitoring or service object be idle;
Step (five): if remote monitoring of described need or service object free time, described tunnel is set up and is finished.
4. the method for remote monitoring according to claim 1 or maintenance is characterized in that: the method for building up in transparent transmission path may further comprise the steps in the described step 5:
Step (one): described agency is provided with at least one and described PORT COM that needs remote monitoring or service object to be connected;
Step (two): described agency stores the message that receives of described PORT COM or listening port;
Step (three): described agency carries out data analysis on the spot to the message that the PORT COM of storing receives, start data communication between PORT COM and listening port, and its analysis result is sent to remote monitoring or maintenance work station as the failure diagnosis foundation according to the time order and function order by described listening port and tunnel;
Step (four): described agency carries out data analysis on the spot to the message that the listening port of storing receives, start data communication between communication news port and listening port, and its analysis result sent to by described PORT COM according to the time order and function order need remote monitoring or service object, realize monitoring or maintenance to need remote monitoring or service object.
5. the method for remote monitoring according to claim 4 or maintenance is characterized in that: data communication method may further comprise the steps between described PORT COM and listening port:
Step 1: described agency sets up first processing procedure independently for described PORT COM, and be its first processing time of distributing independent sheet, simultaneously, described agency sets up second processing procedure independently for described listening port, is that described listening port distributes the second corresponding processing time sheet;
Step 2: described agency is in first processing procedure, at first analyze and pick up the message that receives from listening port, the message that receives until listening port forms complete Frame, then starts the described first processing time sheet, waits for the first processing procedure free time of PORT COM;
Step 3: when the first processing procedure free time of PORT COM, promptly start the PORT COM processing procedure with limit priority, in the first given processing time sheet, if PORT COM receives the complete answer that needs remote monitoring or service object, then give corresponding remote monitoring or maintenance work station by described listening port foldback.
Step 4: described agency is in second processing procedure, at first analyze and pick up the message that receives from PORT COM, if the message that PORT COM receives forms complete Frame, then start the described second processing time sheet, wait for the second processing procedure free time of listening port;
Step 5: when the second processing procedure free time of listening port, promptly start the listening port processing procedure with limit priority, the foldback information that PORT COM is received sends to remote monitoring or maintenance work station.
6. the method for remote monitoring according to claim 1 or maintenance is characterized in that: the network between the remote monitoring of described need or service object and described remote monitoring or the maintenance work station is internet or local area network (LAN).
7. a device of realizing remote monitoring as claimed in claim 1 or maintaining method is characterized in that including: at least one and the PORT COM that needs remote monitoring or service object to be connected; The listening port that at least one is connected with network with the remote monitoring or the maintenance work station of outer net; One is connected with described listening port in order to set up remote monitoring or maintenance work station and to need the dynamic routing module of the tunnel between remote monitoring or service object; A pair of described PORT COM is or/and listening port carries out the data transmit-receive module of Data Receiving or transmission; One sets up the data processing module in transparent transmission path between described PORT COM and listening port.
8. the device of remote monitoring according to claim 7 or maintaining method is characterized in that described data processing module includes: one in order to store described PORT COM or/and listening port receives or the memory module of the data that send; The data message of a pair of described module stores carries out the monitoring analysis module of data analysis; One data show memory module; Module is preserved in one data search.
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| CN102104498A (en) * | 2011-02-21 | 2011-06-22 | 奇智软件（北京）有限公司 | Remote terminal maintenance method and system |
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