CN105847049B - A kind of local area time synchronization system and its monitoring method - Google Patents
A kind of local area time synchronization system and its monitoring method Download PDFInfo
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- CN105847049B CN105847049B CN201610164257.XA CN201610164257A CN105847049B CN 105847049 B CN105847049 B CN 105847049B CN 201610164257 A CN201610164257 A CN 201610164257A CN 105847049 B CN105847049 B CN 105847049B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention provides a kind of local area time synchronization systems, and the system comprises main control devices and N number of sub- terminal clock, wherein N is the positive integer greater than 1, and each sub- terminal clock is connect with the main control device respectively；The clock number of N number of sub- terminal clock is respectively set in the main control device, and the clock number is ranked up, and is successively monitored to N number of sub- terminal clock according to the sequence of the clock number.The present invention also provides the monitoring methods of the system.The present invention can monitor automatically, find the abnormal point of terminal clock, and energy automatic alarm in time, it may replace existing artificial monitoring in turn and host computer manually monitor, it realizes unattended, and saves a large amount of manpower and cost, be particularly suitable for airport, station, large-scale synthesis building.Meanwhile the mark for whether being transmitted across alarm message of each sub- terminal clock is arranged in main control device, avoids the occurrence of the case where repetition sends alarm message.
Description
Technical field
The present invention relates to fields of communication technology, more specifically to a kind of local area time synchronization system and its monitoring side
Method.
Background technique
With the development of society and making rapid progress for urban construction, more and more airports, station, large buildings investment make
With, the demand of local area multiple terminals clock system also rapid growth.Existing local area time synchronization system is by the time of standard
Each terminal clock (hereinafter referred to as " secondary clock ") in signal transmission system, each terminal clock receive after correcting delay signal to the machine
Time is calibrated, to realize the synchronization of the instruction time of each terminal clock in system.
Currently, existing local area time synchronization system relies primarily on the two ways of artificial monitoring and upper computer software monitoring
To be monitored to the operating status of the secondary clock in whole system.When artificial monitoring, monitoring personnel is interior at work must be
In the fitting limit of whole system, does not stop each secondary clock point that comes and goes, the operating status of secondary clock is monitored, when noting abnormalities again
It alarms and handles, still, for airport, station, large-scale synthesis body building, the secondary clock quantity of local area time synchronization system
Greatly, distribution dispersion, artificial monitoring not only cannot timely and effectively note abnormalities a little, and considerably increase the work of monitoring personnel
Amount；When being monitored using upper computer software, it is necessary to the master control system of computer connection local area time synchronization system, using special
The software of exploitation is monitored the secondary clock in system, at high cost, while must also add staff's checking monitoring situation,
And then it may also cause the case where cannot noting abnormalities in time.
Summary of the invention
The technical problem to be solved in the present invention is that being provided for the above-mentioned deficiency of existing local area time synchronization system
A kind of local area time synchronization system and its monitoring method.
Technical solution used by the technical problem to be solved in the present invention is to provide a kind of local area time synchronization system
Monitoring method the described method comprises the following steps:
The clock number of N number of sub- terminal clock is respectively set, and the clock number is ranked up, wherein N is greater than 1
Positive integer；
Successively N number of sub- terminal clock is monitored according to the sequence of the clock number.
In the monitoring method of above-mentioned local area time synchronization system, in the step S1, to the sub- terminal clock
The step of being monitored include:
S11, the current operating conditions for obtaining the sub- terminal clock, and by the status code and use of the current operating conditions
It is compared in judging that the sub- terminal clock works in the abnormality code of abnormality；
S12, when judging that the status code of current operating conditions of the sub- terminal clock is identical as the abnormality code,
Whether the mark for whether being transmitted across alarm message for judging the sub- terminal clock is not sent alarm message excessively；
S13, judge the mark for whether being transmitted across alarm message of the sub- terminal clock for not sent mistake and alarm it is short
When letter, control sends the alarm message of the sub- terminal clock, and whether be arranged the sub- terminal clock has been transmitted across alarm
The mark of short message is to be transmitted across alarm message.
In the monitoring method of above-mentioned local area time synchronization system, before the step S11 further include:
To the sub- terminal clock setting mark for whether being transmitted across alarm message.
In the monitoring method of above-mentioned local area time synchronization system, the step S12 further comprises:
When judging that the status code of current operating conditions of the sub- terminal clock and the abnormality code be not identical, clearly
The mark for whether being transmitted across alarm message of the zero sub- terminal clock.
In the monitoring method of above-mentioned local area time synchronization system, after the step S13 further include:
When judging the mark for whether being transmitted across alarm message of the sub- terminal clock to be transmitted across alarm message,
Next sub- terminal clock in the sequence is monitored.
The present invention also provides a kind of local area time synchronization systems, and the system comprises when main control device and N number of sub- terminal
Clock, wherein N is the positive integer greater than 1, and each sub- terminal clock is connect with the main control device respectively；The master control is set
It is standby that the clock number of N number of sub- terminal clock is respectively set, and the clock number is ranked up, and according to the clock number
Sequence successively N number of sub- terminal clock is monitored.
In above-mentioned local area time synchronization system, the system also includes GSM message platforms, wherein the GSM is short
Letter platform is connect by Serial Port Line with the main control device；The sub- terminal clock that the main control device will acquire it is current
The status code of operating status is compared with for judging that the sub- terminal clock works in the abnormality code of abnormality, and
It is identical as the abnormality code in the status code for judging the current operating conditions of the sub- terminal clock, and judging the son
When the mark for whether being transmitted across alarm message of terminal clock is not sent alarm message excessively, the GSM message platform is controlled
The alarm message of the sub- terminal clock is sent, and the mark for whether being transmitted across alarm message of the sub- terminal clock is set
To be transmitted across alarm message.
In above-mentioned local area time synchronization system, the main control device return the sub- terminal clock setting it is described whether
It has been transmitted across the mark of alarm message.
In above-mentioned local area time synchronization system, the main control device is also in the current fortune for judging the sub- terminal clock
When the status code of row state and the abnormality code be not identical, reset the sub- terminal clock whether to be transmitted across alarm short
The mark of letter.
In above-mentioned local area time synchronization system, the main control device also judge the sub- terminal clock whether
The mark for being transmitted across alarm message is when being transmitted across alarm message, to next sub- terminal clock in the sequence into
Row monitoring.
The beneficial effect for implementing local area time synchronization system of the invention has:
Firstly, the main control device realization using local area time synchronization system itself monitors sub- terminal clock automatically, reduce hard
Part cost, without additional hardware, meanwhile, main control device successively monitors sub- terminal clock, reduces main control device in monitoring side
The power consumption in face, and the hardware requirement of main control device is reduced, and then do not influence the work in terms of main control device carries out time synchronization
Make；
Secondly, whether main control device when being monitored to sub- terminal clock, is transmitted across by being arranged to sub- terminal clock
The mark of alarm message avoids the occurrence of the case where repetition sends alarm message, reaches the purpose of effective monitoring；
Finally, local area time synchronization system of the invention has the function of the characteristics of automatic monitoring, automatic alarm etc., completely may be used
Replace existing artificial monitoring and host computer manually to monitor, realizes unattended, save a large amount of manpower and cost, it is especially suitable
For airport, station, large-scale synthesis building.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of the local area time synchronization system of present pre-ferred embodiments；
Fig. 2 is the flow chart of the monitoring method embodiment of local area time synchronization system of the invention；
Fig. 3 is flow chart the step of being monitored to sub- terminal clock of present pre-ferred embodiments.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in Figure 1, being the structural schematic diagram of the local area time synchronization system of present pre-ferred embodiments.It, should with reference to Fig. 1
System 100 includes main control device 110 and N number of sub- terminal clock, wherein N is the positive integer greater than 1, every sub- terminal clock point
It is not connect with main control device 110, specifically, in the present embodiment, multiple parallel ports is provided on main control device 110 and (are not shown in figure
Out), every sub- terminal clock and the parallel port of main control device 110 are correspondingly connected with.In terms of time synchronization, main control device 110 is being connect
When receiving the standard time of NTP time server, sub- terminal clock is sent to so that sub- terminal clock is calibrated.
In the present embodiment, main control device 110 is respectively set the clock number of N number of sub- terminal clock, and by clock number
It is ranked up, and successively N number of sub- terminal clock is monitored according to the sequence of clock number.Clock number can be Arab
Number, for example, 1,2,3 etc., or other diacritic marks.Using the main control device of local area time synchronization system itself
Realization monitors sub- terminal clock automatically, reduces hardware cost, without additional hardware, meanwhile, main control device successively monitors sub whole
Clock is held, reduces power consumption of the main control device in terms of monitoring, and reduce the hardware requirement of main control device, and then do not influence
Main control device carries out the work in terms of time synchronization.
The system further includes GSM message platform 120, which is connected by Serial Port Line and main control device 110
It connects.In the present embodiment, GSM message platform 120 is MC39i module, which is the product under Siemens, is supported
Double frequency GSM900MHZ and GSM1800MHZ have the characteristics of easy to operate, stable and reliable operation.
In another preferred embodiment of the present invention, above-mentioned main control device 110 can be the control section of female terminal clock,
Only it is arranged to main control device 110 in a terminal clock in this way, a terminal clock can be realized to other different terminals clocks
Automatic monitoring, save the hardware cost of monitoring.
The status code for the current operating conditions of sub- terminal clock that main control device 110 is used to will acquire with for judging son
Terminal clock work is compared in the abnormality code of abnormality, and is judging the current operating conditions of sub- terminal clock
Status code is identical as the abnormality code, and in the mark for whether being transmitted across alarm message for judging sub- terminal clock for not
When being transmitted across alarm message, control GSM message platform 120 sends the alarm message of sub- terminal clock, and records sub- terminal clock
The mark for whether being transmitted across alarm message be transmitted across alarm message.In the present embodiment, the content packet of alarm message
Abnormal time, clock number, abnormality code of enclosed tool terminal clock etc..Main control device 110 obtains the current of sub- terminal clock
The mode of the status code of operating status are as follows: main control device 110 sends inquiry instruction to sub- terminal clock；Sub- terminal clock receives
When inquiry instruction, current operating conditions are fed back to main control device 110, main control device 110 extracts son eventually according to current operating conditions
Hold the status code of the current operating conditions of clock.
In the present embodiment, main control device 110 is the label whether every sub- terminal clock setting is transmitted across alarm message,
Wherein, in the present embodiment, which may be configured as 0 or 1, indicate that main control device 110 controls GSM when the label is set as 0
SMS platform 120 is not sent to cross alarm message, when the label is set as 1, indicates that main control device 110 controls GSM message platform
120 are transmitted across alarm message.Further, main after the alarm message that GSM message platform 120 sends sub- terminal clock exception
The label for whether being transmitted across alarm message that control equipment 110 also records the sub- terminal clock is to be transmitted across alarm message.In this way,
It whether is transmitted across the mark of alarm message by this, avoids the occurrence of the case where repetition sends alarm message.
In the present embodiment, main control device is also in the status code and exception of the current operating status for judging sub- terminal clock
When status code is not identical, i.e. sub- terminal clock work in normal condition, reset sub- terminal clock whether to be transmitted across alarm short
The label of letter.Be conducive to be monitored next time in this way.Then, main control device carries out next sub- terminal clock in sequence
Monitoring.
As shown in Fig. 2, being the flow chart of the monitoring method embodiment of local area time synchronization system of the invention.With reference to Fig. 2,
The monitoring method the following steps are included:
In step sl, the clock number of N number of sub- terminal clock is respectively set, and the clock number is ranked up,
Wherein N is the positive integer greater than 1；
In step s 2, successively N number of sub- terminal clock is monitored according to the sequence of the clock number.
Wherein, the step of being monitored to sub- terminal clock include:
Obtain the current operating conditions of the sub- terminal clock, and by the status code of the current operating conditions be used to sentence
The sub- terminal clock work of breaking is compared in the abnormality code of abnormality；
When judging that the status code of current operating conditions of the sub- terminal clock is identical as the abnormality code, judgement
Whether the mark for whether being transmitted across alarm message of the sub- terminal clock is not sent alarm message excessively；
When judging the mark for whether being transmitted across alarm message of the sub- terminal clock for not sent alarm message excessively,
Control sends the alarm message of the sub- terminal clock, and whether record the sub- terminal clock has been transmitted across alarm message
Mark is to be transmitted across alarm message.
Below by taking better embodiment of the invention as an example, the treatment process being monitored to sub- terminal clock is carried out detailed
It describes in detail bright:
With reference to Fig. 3, in the step s 100, whether main control device is transmitted across the mark of alarm message to the setting of sub- terminal clock
Will, wherein in the present embodiment, which may be configured as 0 or 1, indicate that main control device 110 is controlled when the label is set as 0
GSM message platform 120 is not sent to cross alarm message, and when the label is set as 1, it is flat to indicate that main control device 110 controls GSM message
Platform 120 is transmitted across alarm message.
Then, in step s101, main control device obtains the current operating conditions of sub- terminal clock, specifically, including: master
It controls equipment 110 and sends inquiry instruction to sub- terminal clock；It is anti-to main control device 110 when sub- terminal clock receives inquiry instruction
Present current operating conditions；Main control device 110 extracts the state of the current operating conditions of sub- terminal clock according to current operating conditions
Code.
Then, in step s 102, main control device 110 is by the status code of current operating conditions and when being used to judge sub- terminal
Clock work is compared in the abnormality code of abnormality.
Then, in step s 103, status code and exception of the main control device 100 in the current operating conditions of sub- terminal clock
When status code is identical, it is short to judge whether the mark for whether being transmitted across alarm message of sub- terminal clock is that not sent mistake is alarmed
Letter.
Then, in step S104, judge the mark for whether being transmitted across alarm message of sub- terminal clock to be not sent
When crossing alarm message, the control of main control device 110 sends the alarm message of sub- terminal clock.In the present embodiment, pass through GSM message
Platform sends the alarm message of sub- terminal clock, what main control device 110 can need dial in the setting of GSM message platform in advance
The content of telephone number and alarm message.
Then, in step s105, the mark for whether being transmitted across alarm message that sub- terminal clock is arranged is to have sent
Cross alarm message.
In step s 106, when the status code of current operating conditions and abnormality code be not identical, main control device 110 is clear
The mark for whether being transmitted across alarm message of zero sub- terminal clock.
Finally, in step s 107, by above-mentioned steps, the mark for whether being transmitted across alarm message of sub- terminal clock is
It is transmitted across alarm message, next sub- terminal clock in 110 pairs of sequences of main control device is monitored.In this way, main control device
110 complete the monitoring to a sub- terminal clock.
The beneficial effect of summary, local area time synchronization system of the invention and its monitoring method has:
Firstly, the main control device realization using local area time synchronization system itself monitors sub- terminal clock automatically, reduce hard
Part cost, without additional hardware, meanwhile, main control device successively monitors sub- terminal clock, reduces main control device in monitoring side
The power consumption in face, and the hardware requirement of main control device is reduced, and then do not influence the work in terms of main control device carries out time synchronization
Make；
Secondly, whether main control device when being monitored to sub- terminal clock, is transmitted across by being arranged to sub- terminal clock
The mark of alarm message avoids the occurrence of the case where repetition sends alarm message, reaches the purpose of effective monitoring；
Finally, local area time synchronization system of the invention has the function of the characteristics of automatic monitoring, automatic alarm etc., completely may be used
Replace existing artificial monitoring and host computer manually to monitor, realizes unattended, save a large amount of manpower and cost, it is especially suitable
For airport, station, large-scale synthesis building.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (4)
1. a kind of monitoring method of local area time synchronization system, which is characterized in that the monitoring method the following steps are included:
S1, the clock number that N number of sub- terminal clock is respectively set, and the clock number is ranked up, wherein N is greater than 1
Positive integer；Successively N number of sub- terminal clock is monitored according to the sequence of the clock number；
In the step S1, the step of being monitored to the sub- terminal clock include:
S11, the mark that alarm message whether has been transmitted across to the sub- terminal clock setting；Obtain working as the sub- terminal clock
Preceding operating status, and by the status code of the current operating conditions and it is used to judge the sub- terminal clock work in abnormality
Abnormality code be compared；
S12, when judging that the status code of current operating conditions of the sub- terminal clock is identical as the abnormality code, judgement
Whether the mark for whether being transmitted across alarm message of the sub- terminal clock is not sent alarm message excessively；
S13, judge the mark for whether being transmitted across alarm message of the sub- terminal clock for it is not sent cross alarm message when,
Control sends the alarm message of the sub- terminal clock, and whether be arranged the sub- terminal clock has been transmitted across alarm message
Mark is to be transmitted across alarm message；The mark for whether being transmitted across alarm message of the sub- terminal clock is being judged to have sent out
When passing through alarm message, next sub- terminal clock in the sequence is monitored.
2. the monitoring method of local area time synchronization system according to claim 1, which is characterized in that the step S12 into
One step includes:
When judging that the status code of current operating conditions of the sub- terminal clock and the abnormality code be not identical, institute is reset
State the mark for whether being transmitted across alarm message of sub- terminal clock.
3. a kind of local area time synchronization system, which is characterized in that the system comprises main control device and N number of sub- terminal clock,
In, N is the positive integer greater than 1, and each sub- terminal clock is connect with the main control device respectively；The main control device difference
The clock number of N number of sub- terminal clock is set, and the clock number is ranked up, and according to the sequence of the clock number
Successively N number of sub- terminal clock is monitored；
The system also includes GSM message platforms, wherein the GSM message platform is connected by Serial Port Line and the main control device
It connects；The status code of the current operating conditions for the sub- terminal clock that the main control device will acquire with for judging the son
Terminal clock work is compared in the abnormality code of abnormality, and in the current operation shape for judging the sub- terminal clock
The status code of state is identical as the abnormality code, and whether has been transmitted across alarm message judge the sub- terminal clock
When mark is not sent alarm message excessively, controls the GSM message platform and send the alarm message of the sub- terminal clock, and set
The mark for whether being transmitted across alarm message for setting the sub- terminal clock is to be transmitted across alarm message；
The main control device returns the sub- terminal clock setting mark for whether being transmitted across alarm message；
The main control device is also judging the mark for whether being transmitted across alarm message of the sub- terminal clock to be transmitted across
When alarm message, next sub- terminal clock in the sequence is monitored.
4. local area time synchronization system according to claim 3, which is characterized in that the main control device is also described in the judgement
When the status code of the current operating conditions of sub- terminal clock and the abnormality code be not identical, the sub- terminal clock is reset
Whether the mark of alarm message has been transmitted across.
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