CN103984319A - Data communication method and system for wireless monitoring system - Google Patents
Data communication method and system for wireless monitoring system Download PDFInfo
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- CN103984319A CN103984319A CN201410217045.4A CN201410217045A CN103984319A CN 103984319 A CN103984319 A CN 103984319A CN 201410217045 A CN201410217045 A CN 201410217045A CN 103984319 A CN103984319 A CN 103984319A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a data communication method and system for a wireless monitoring system. The method comprises the steps that a remote terminal station carries out sorted storing on information to be sent, generating time is recorded, and the information to be sent is queued up; when sending time is up, the remote terminal station sends the information to be sent to a monitoring center station according to priority in the sequence of the generating time; whether the information is sent successively or not is judged, and otherwise the information is resent until all the information to be sent is sent to the monitoring center station. Through the method, communication data can be automatically sent, the integrity of the communication data can be guaranteed, and the reliability of the wireless monitoring system is improved.
Description
[technical field]
The present invention relates to wireless communication technology field, particularly relate to wireless supervisory control system field, relate to more specifically a kind of data communications method and system of wireless supervisory control system.
[background technology]
Traditional wireless supervisory control system is comprised of Surveillance center, wireless network and remote data terminal, and the data communications method of wireless supervisory control system comprises master-slave mode and certainly reports mode.
Master-slave mode: remote terminal station is standby, when monitoring central station has the instruction request that reads end station data, remote terminal station postbacks data.
From report mode: monitoring central station does not send the instruction of reading end station data, and remote port station sends data by certain time interval to monitoring central station, but while producing if any warning message, to monitoring central station, send immediately.
Big-dipper satellite when communication, select master-slave mode and report mode combines certainly communication mode, due to big-dipper satellite resource-constrained, communication is subject to time restriction, sends after an information, need to wait for that certain time interval could send next information.In the wireless supervisory control system of selecting big-dipper satellite network to form, no matter be that monitoring central station or remote terminal station transmission information all need certain time interval.Under this communication pattern, remote terminal station has a plurality of information because the time interval does not go out less than sending, and Surveillance center's standing-meeting lacks data.
[summary of the invention]
Based on this, for above-mentioned problems of the prior art, the invention provides a kind of data communications method of wireless supervisory control system, improved the reliability of using wireless data communications, can make communication data automatically complete transmission, the present invention adopts following technical scheme:
A data communications method for wireless supervisory control system, comprises the steps:
Remote terminal station by information type by the waiting message storage of classifying, the rise time of recording each waiting message;
Remote terminal station is ranked the waiting message of classification storage to form waiting message queue respectively by the sequencing of described rise time;
When transmitting time then, remote terminal station is selected information type according to order from high to low of priority, and a most front information of rise time in waiting message queue corresponding to the information type with selected is sent to monitoring central station;
Remote terminal station judges whether to send successfully, if not, again a most front information of described rise time is sent to monitoring central station, until a most front information of described rise time is successfully sent to monitoring central station.
A data communications method for wireless supervisory control system, comprises the steps:
Monitoring central station is obtained waiting message, and records the rise time of each waiting message;
Monitoring central station is ranked waiting message by the sequencing of described rise time;
When transmitting time then, monitoring central station is sent to remote terminal station by the described the most front waiting message of rise time in the waiting message after queuing up;
Monitoring central station judges that described waiting message sends success or not;
After waiting message sends successfully, monitoring central station requeues according to the sequencing of described rise time the waiting message not sending.
Accordingly, the present invention also provides a kind of data communication system of wireless supervisory control system, comprises remote terminal station, and described remote terminal station comprises:
The first acquisition module, for by information type by the waiting message storage of classifying, the rise time of recording each waiting message;
The first queue module, for ranking the waiting message of classification storage to form waiting message queue respectively by the sequencing of described rise time;
The first sending module, in transmitting time then, selects information type according to priority order from high to low, and a most front information of rise time in waiting message queue corresponding to the information type with selected is sent to monitoring central station;
The first judge module, be used for judging whether described the first sending module sends successfully, if not, again a most front information exchange of described rise time is crossed to described the first sending module and be sent to monitoring central station, until a most front information of described rise time is successfully sent to monitoring central station.
A data communication system for wireless supervisory control system, comprises monitoring central station, and described monitoring central station comprises:
The second acquisition module, for obtaining waiting message, and records the rise time of each waiting message;
The second queue module, for ranking waiting message by the sequencing of described rise time;
The second sending module, in transmitting time then, is sent to remote terminal station by the described the most front waiting message of rise time in the waiting message after queuing up;
The second judge module, for judging that described the second sending module sends success or not; After waiting message sends successfully, by described the second queue module, the waiting message not sending is requeued.
According to technical scheme as above, when remote terminal station has transmission information, by information type, by the waiting message storage of classifying, and by the sequencing of rise time, waiting message is ranked; When transmitting time then, remote terminal station is preferentially selected the information type that priority is higher, preceding waiting message of rise time in the type is sent to monitoring central station, if send unsuccessfully, can also automatically resend, in the next time, then adopt to use the same method preceding waiting message of rise time is sent to monitoring central station automatically.In this way, remote terminal station can send waiting message by time series one by one automatically, and Surveillance center's standing-meeting receives data one by one, guarantees integrality and the reliability of wireless supervisory control system data.
When monitoring central station sends information, waiting message is ranked by the sequencing of generation time; When transmitting time then, generation time waiting message is formerly sent to remote terminal station, and judge that information sends success or not, if not success, continues to send, after sending successfully, waiting message is requeued, in this way, do not need people's multi-pass operations, transmission information completes automatically, has guaranteed efficiency and the integrality of communication data.
[accompanying drawing explanation]
Fig. 1 is the schematic flow sheet of the data communications method embodiment mono-of wireless supervisory control system of the present invention;
Fig. 2 is the schematic flow sheet of the data communications method embodiment bis-of wireless supervisory control system of the present invention;
Fig. 3 is the schematic flow sheet of the data communications method embodiment tri-of wireless supervisory control system of the present invention;
Fig. 4 selects the process schematic diagram of information type according to the height of priority in the embodiment of the present invention three;
Fig. 5 is the structural representation of a kind of embodiment of the data communication system of wireless supervisory control system of the present invention.
[embodiment]
Below in conjunction with preferred embodiment, the solution of the present invention is set forth.
The schematic flow sheet of the data communications method embodiment mono-of wireless supervisory control system of the present invention has been shown in Fig. 1.In this embodiment mono-, be to take the processing procedure of remote terminal station to describe as example.
As shown in Figure 1, in embodiment mono-, the processing procedure of remote terminal station comprises the steps:
S101 remote terminal station by information type by the waiting message storage of classifying, the rise time of recording each waiting message;
S102 remote terminal station is ranked the waiting message of classification storage to form waiting message queue respectively by the sequencing of described rise time;
S103 works as transmitting time then, and remote terminal station is selected information type according to priority order from high to low, and a most front information of rise time in waiting message queue corresponding to the information type with selected is sent to monitoring central station;
S104 remote terminal station judges whether to send successfully, if not, enters S105;
S105 is sent to monitoring central station by a most front information of described rise time again, until a most front information of described rise time is successfully sent to monitoring central station.
According to the scheme in the present embodiment one, when remote terminal stands in transmission information, for different information types, be provided with different priority, the height of priority has determined the priority sending.When remote terminal has stood in transmission information, by information type, by the waiting message storage of classifying, and by the sequencing of rise time, waiting message is ranked; When transmitting time then, remote terminal station is preferentially selected the information type that priority is higher, the waiting message formerly of rise time in the type is sent to monitoring central station, and judgement sends success or not, judgment mode can adopt method of the prior art, whether remote terminal can be received a feedback information after standing in the information of sending, successful according to judging that to the analysis of feedback information this information sends; When information sends unsuccessfully, can also automatically resend, in this way, remote terminal station sends the waiting message of storage one by one by time series, Surveillance center's standing-meeting receives data one by one, guarantees integrality and the reliability of wireless supervisory control system data.
The schematic flow sheet of the data communications method embodiment bis-of wireless supervisory control system of the present invention has been shown in Fig. 2, in this embodiment bis-, is to take the processing procedure of monitoring central station to describe as example.
As shown in Figure 2, in embodiment bis-, the processing procedure of monitoring central station comprises the steps:
S201 monitoring central station is obtained waiting message, and records the rise time of each waiting message;
S202 monitoring central station is ranked waiting message by the sequencing of described rise time;
S203 works as transmitting time then, and monitoring central station is sent to remote terminal station by the described the most front waiting message of rise time in the waiting message after queuing up;
S204 monitoring central station judges that described waiting message sends success or not;
S205 is after waiting message sends successfully, and monitoring central station requeues according to the sequencing of described rise time the waiting message not sending.
According to the scheme in the present embodiment two, when monitoring central station need to send information, waiting message is ranked by the sequencing of generation time; According to the time interval arranging, in transmitting time then, generation time waiting message is formerly sent to remote terminal station, and judge that information sends success or not, judgment mode can adopt method of the prior art, a feedback information can be received after standing in the information of sending by Surveillance center, whether successful according to judging that to the analysis of feedback information this information sends, if there is no successful monitoring central station, continue to send selected generation time waiting message formerly, until this waiting message is successfully sent to remote terminal station.After information sends successfully, monitoring central station requeues the waiting message not sending, and waits for the arrival of transmitting time next time.In this way, do not need the operation of repeatedly click sending of people and so on, can accurately all waiting messages be sent to remote terminal station, guaranteed reliability and the integrality of data communication.
Fig. 3 shows the schematic flow sheet of the data communications method embodiment tri-of wireless supervisory control system of the present invention.In this embodiment tri-, be to take the processing procedure of remote terminal station as example describes, when remote terminal stands in transmission information, for different information types, be provided with different priority, the height of priority has determined the priority sending.
As shown in Figure 3, in embodiment tri-, the processing procedure of remote terminal station comprises the steps:
S301 remote terminal station generates waiting message;
S302 judges whether transmitting time; If so, enter S305; If not, enter S303;
S303 by information type by the waiting message storage of classifying, the rise time of recording each waiting message;
S304 ranks the waiting message of classification storage to form waiting message queue respectively by the sequencing of described rise time;
S305 selects information type according to priority order from high to low, and a most front information of rise time in waiting message queue corresponding to the information type with selected is sent to monitoring central station;
S306 judges whether information sends successfully; If not, enter S305; If so, enter S307;
S307 requeues by the sequencing of described rise time the waiting message not sending in waiting message queue.
According to the scheme in the present embodiment three, when remote terminal has stood in transmission information, by information type, the waiting message of generation is classified, information type comprises warning message, response message and general information, wherein response message refers to that remote terminal station receives the response message of replying after the instruction that monitoring central station sends, and general information refers to the information that remote central station reports automatically; Then warning message is stored in to warning message memory block, response message is stored in to response message memory block, general information is stored in to general information memory block, and records the rise time of each information.
In the present embodiment three, the priority of warning message is set to the highest, and response message takes second place, and the priority of general information is minimum.
After waiting message classification storage, the whole waiting messages in each memory block are ranked by the sequencing of rise time, form waiting message queue, the rise time, the most front waiting message was placed on head of the queue, as article one information, sent.
When transmitting time then, according to the height of priority, select information type, and a most front information of rise time in waiting message queue corresponding to selected information type is sent to monitoring central station, after information sends successfully, by the sequencing of rise time, the waiting message not sending in waiting message queue is requeued.
The above-mentioned height according to priority selects the process of information type to be undertaken by the method shown in Fig. 4, when transmitting time then, first check whether warning message memory block has warning message, if so, a most front information of the rise time in the waiting message queue of warning message memory block is sent; If not, check in response message memory block whether have response message, while having response message in response message memory block, the information that the rise time in waiting message queue is the most front sends.While all there is no information in warning message memory block and response message memory block, a most front information of rise time in the waiting message queue of general information memory block is sent.After sending information each time, all information is sent to success or not and judge, concrete determination methods can adopt existing technological means.If information sends unsuccessfully, selected information is resend, until information is successfully sent to monitoring central station.
After information successfully sends each time, the waiting message not sending is requeued according to the sequencing of rise time, rise time, preceding waiting message was set to the head of the queue of waiting message queue, wait for the arrival of next transmitting time, this mode can be saved time for queuing operation next time, raises the efficiency.
Adopt the scheme in embodiment tri-, remote terminal station can be stored by warning message, response message and general information, and the priority of height according to priority and rise time is sent to monitoring central station one by one by waiting message, and judge sending success or not, the loss of information be can not cause, the integrality of data and the reliability of wireless supervisory control system guaranteed.
According to the data communications method of the wireless supervisory control system of the invention described above, the present invention also provides a kind of data communication system of wireless supervisory control system.Data communication system of the present invention, can only include in monitoring central station, remote terminal station, also can comprise monitoring central station and remote terminal station simultaneously.For convenience of description, in Fig. 5, take in conjunction with monitoring central station and remote terminal station is example, shows the structural representation of embodiment of the data communication system of wireless supervisory control system of the present invention.
When remote terminal stands in transmission information, for different information types, be provided with different priority, the height of priority has determined the priority sending.
As shown in Figure 5, the remote terminal station 501 of the data communication system of the wireless supervisory control system in the present embodiment includes:
The first acquisition module 5011, for by information type by the waiting message storage of classifying, the rise time of recording each waiting message;
The first queue module 5012, for ranking the waiting message of classification storage to form waiting message queue respectively by the sequencing of described rise time;
The first sending module 5013, in transmitting time then, selects information type according to priority order from high to low, and a most front information of rise time in waiting message queue corresponding to the information type with selected is sent to monitoring central station;
The first judge module 5014, be used for judging whether the first sending module 5013 sends successfully, if not, again a most front information exchange of described rise time is crossed to the first sending module 5013 and be sent to monitoring central station, until a most front information of described rise time is successfully sent to monitoring central station.
As shown in Figure 5, the monitoring central station 502 of the data communication system of the wireless supervisory control system in this example includes:
The second acquisition module 5021, for obtaining waiting message, and records the rise time of each waiting message;
The second queue module 5022, for ranking waiting message by the sequencing of described rise time;
The second sending module 5033, when transmitting time then, the described the most front waiting message of rise time in the waiting message after queuing up is sent to remote terminal station;
The second judge module 5044, for judging that the second sending module 5033 sends success or not; After waiting message sends successfully, by the second queue module 5022, the waiting message not sending is requeued.
Wherein, above-mentioned the first acquisition module 5011 can comprise:
Sort module, for classifying waiting message by information type; Described information type comprises warning message, response message and general information;
Memory module, for being stored to respectively warning message memory block, response message memory block and general information memory block by described warning message, described response message and described general information.
Remote terminal station 501 can also be crossed after the first sending module 5013 is successfully sent to monitoring central station at the information exchange that the described rise time is the most front, by the sequencing of described rise time, the waiting message not sending in waiting message queue is requeued by the first queue module 5012.
In an embodiment, the priority of warning message can be set higher than the priority of response message, the priority of response message is higher than the priority of general information.
The specific implementation of each function in the data communication system of wireless supervisory control system of the present invention, can be with the invention described above method identical, at this, will not add to repeat.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a data communications method for wireless supervisory control system, is characterized in that, comprises the steps:
Remote terminal station by information type by the waiting message storage of classifying, the rise time of recording each waiting message;
Remote terminal station is ranked the waiting message of classification storage to form waiting message queue respectively by the sequencing of described rise time;
When transmitting time then, remote terminal station is selected information type according to order from high to low of priority, and a most front information of rise time in waiting message queue corresponding to the information type with selected is sent to monitoring central station;
Remote terminal station judges whether to send successfully, if not, again a most front information of described rise time is sent to monitoring central station, until a most front information of described rise time is successfully sent to monitoring central station.
2. the data communications method of wireless supervisory control system according to claim 1, is characterized in that, described by information type by waiting message classify storage process comprise the steps:
Waiting message is classified by information type; Described information type comprises warning message, response message and general information;
Described warning message, described response message and described general information are stored to respectively to warning message memory block, response message memory block and general information memory block.
3. the data communications method of wireless supervisory control system according to claim 1, it is characterized in that, after in the waiting message queue that described with selected information type is corresponding, a most front information of rise time is successfully sent to monitoring central station, by the sequencing of described rise time, the waiting message not sending in waiting message queue is requeued.
4. the data communications method of wireless supervisory control system according to claim 2, is characterized in that, the priority of described warning message is higher than the priority of described response message, and the priority of described response message is higher than the priority of described general information.
5. a data communications method for wireless supervisory control system, is characterized in that, comprises the steps:
Monitoring central station is obtained waiting message, and records the rise time of each waiting message;
Monitoring central station is ranked waiting message by the sequencing of described rise time;
When transmitting time then, monitoring central station is sent to remote terminal station by the described the most front waiting message of rise time in the waiting message after queuing up;
Monitoring central station judges that described waiting message sends success or not;
After waiting message sends successfully, monitoring central station requeues according to the sequencing of described rise time the waiting message not sending.
6. a data communication system for wireless supervisory control system, is characterized in that, comprises remote terminal station, and described remote terminal station comprises:
The first acquisition module, for by information type by the waiting message storage of classifying, the rise time of recording each waiting message;
The first queue module, for ranking the waiting message of classification storage to form waiting message queue respectively by the sequencing of described rise time;
The first sending module, in transmitting time then, selects information type according to priority order from high to low, and a most front information of rise time in waiting message queue corresponding to the information type with selected is sent to monitoring central station;
The first judge module, be used for judging whether described the first sending module sends successfully, if not, again a most front information exchange of described rise time is crossed to described the first sending module and be sent to monitoring central station, until a most front information of described rise time is successfully sent to monitoring central station.
7. data communication system according to claim 6, is characterized in that, described the first acquisition module comprises:
Sort module, for classifying waiting message by information type; Described information type comprises warning message, response message and general information;
Memory module, for being stored to respectively warning message memory block, response message memory block and general information memory block by described warning message, described response message and described general information.
8. data communication system according to claim 6, it is characterized in that, after the information that the described rise time is the most front is successfully sent to monitoring central station, by the sequencing of described rise time, the waiting message not sending in waiting message queue is requeued by described the first queue module.
9. data communication system according to claim 7, is characterized in that, the priority of described warning message is higher than the priority of described response message, and the priority of described response message is higher than the priority of described general information.
10. a data communication system for wireless supervisory control system, is characterized in that, comprises monitoring central station, and described monitoring central station comprises:
The second acquisition module, for obtaining waiting message, and records the rise time of each waiting message;
The second queue module, for ranking waiting message by the sequencing of described rise time;
The second sending module, in transmitting time then, is sent to remote terminal station by the described the most front waiting message of rise time in the waiting message after queuing up;
The second judge module, for judging that described the second sending module sends success or not; After waiting message sends successfully, by described the second queue module, the waiting message not sending is requeued.
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| CN201410217045.4A CN103984319A (en) | 2014-05-21 | 2014-05-21 | Data communication method and system for wireless monitoring system |
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| CN201410217045.4A CN103984319A (en) | 2014-05-21 | 2014-05-21 | Data communication method and system for wireless monitoring system |
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| JPH07152585A (en) * | 1993-11-30 | 1995-06-16 | Nec Corp | Priority control monitor system |
| CN1832297A (en) * | 2006-03-14 | 2006-09-13 | 珠海市伊特高科技有限公司 | Communication method and managing equipment of low voltage distribution field |
| CN1898909A (en) * | 2003-12-22 | 2007-01-17 | 横河电机株式会社 | Communication control system |
| CN101127686A (en) * | 2006-08-18 | 2008-02-20 | 华为技术有限公司 | A network data processing method and device |
| CN103346615A (en) * | 2013-06-25 | 2013-10-09 | 中国南方电网有限责任公司 | Station terminal centralized control method and device based on intelligent telecontrol |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07152585A (en) * | 1993-11-30 | 1995-06-16 | Nec Corp | Priority control monitor system |
| CN1898909A (en) * | 2003-12-22 | 2007-01-17 | 横河电机株式会社 | Communication control system |
| CN1832297A (en) * | 2006-03-14 | 2006-09-13 | 珠海市伊特高科技有限公司 | Communication method and managing equipment of low voltage distribution field |
| CN101127686A (en) * | 2006-08-18 | 2008-02-20 | 华为技术有限公司 | A network data processing method and device |
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