CN103546267A - Time synchronization monitoring method and system - Google Patents
Time synchronization monitoring method and system Download PDFInfo
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- CN103546267A CN103546267A CN201310442576.9A CN201310442576A CN103546267A CN 103546267 A CN103546267 A CN 103546267A CN 201310442576 A CN201310442576 A CN 201310442576A CN 103546267 A CN103546267 A CN 103546267A
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Abstract
The invention provides a time synchronization monitoring method and system. The method includes sending monitoring information to a master-station time synchronization device through a precision clock protocol channel after a slave-station time synchronization device receives time service information sent by the master-station time synchronization device through the precision clock protocol channel and when the time service information is verified to pass; detecting the monitoring information according to local time information of a master station by the master-station time synchronization device to acquire a detecting result; sending time deviation in the detecting result to the slave-station time synchronization device through the precision clock protocol channel to perform time adjustment; uploading the detecting result to a background of the time synchronization monitoring system to perform storage, statistical analysis or threshold crossing alarm. By the time synchronization monitoring method and system, monitoring on time synchronization through a time service channel is realized, the problem that channels are only occupied by data channels in conventional technology is solved, and utilization rate of channel resources is increased.
Description
Technical field
The present invention relates to Time synchronization technique field, particularly relate to a kind of monitoring method and system of time synchronized.
Background technology
Along with the development of the communication technology and grid computing technology, increasing industry and field need synchro system settling time.
Time synchronized is that power plant power station gathers the time consistency between control appliance in the application of power industry, is convenient to analyze and monitoring operation of power networks state.Time synchronized in the application of telecommunications industry mainly at charging and distributed data acquisition.Time synchronized is mainly synchronous between the base station based on time division multiplexing mechanism in the application of mobile field.
From the angle of network management and operation maintenance, more concerned end user's time synchronized effect and time synchronized quality.Along with the application of time synchronized is more and more extensive, if time synchronized performance is deteriorated or timing error, can cause application system and traffic failure.Time synchronized performance is carried out to on-line monitoring, find in time synchronous fault, electric power, telecommunications, mobile network, have actual demand.
The monitoring mode of time synchronized is adopted to following two kinds of modes conventionally:
Online probe mode: place an online probe at the monitored signal of needs or equipment side, online probe has the time reference of oneself, such as satellite.Measured signal input probe, probe real-time data collection, calculates phase data, and passes to monitoring center by data channel, carries out statistical analysis.Feature is that measuring accuracy is high, test error is little, do not need to transform equipment under test, the external probe of needs, passback monitoring.
NTP (Network Time Protocol is used for making synchronized a kind of agreement computer time) monitoring: equipment under test output NTP signal, as ntp server.Main station time synchronizer, as NTP Client, goes poll to access each monitored ntp server, by Network Time Protocol, calculates the time deviation between main station time synchronizer and equipment under test (slave station time synchronism equipment).Main station time synchronizer is under this mode of operation, and a calculation deviation, can not calibrate self time, and general dependence of himself time satellite system is as precision guarantee.Feature is: test error is subject to the impact of network environment larger, at several milliseconds, arrives between hundreds of millisecond; Need equipment under test to possess NTP output.
Yet channel resource is all limited for electric power, telecommunications, mobile network, and the monitoring mode of existing time synchronized is because Monitoring Data passage is all independent busy channel, has reduced the utilance of channel resource.
Summary of the invention
The object of the present invention is to provide a kind of implementation method and system of monitoring of time synchronized, can be extra busy channel, can improve the utilance of channel resource.
Object of the present invention is achieved through the following technical solutions:
A monitoring method for time synchronized, comprises the steps: to slave station time synchronism equipment, to send time service information by precision interval clock protocol channels;
By described precision interval clock protocol channels receive described slave station time synchronism equipment the described time service information of checking by after the monitoring information that returns;
According to main website local time information, described monitoring information is detected and obtains testing result, described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment;
By described precision interval clock protocol channels, send to described slave station time synchronism equipment to carry out time adjustment described time deviation;
Described testing result is uploaded to system for monitoring time synchronization backstage and carries out time synchronized detection.
A monitoring method for time synchronized, comprises the steps:
By precision interval clock protocol channels, receive the time service information that main station time synchronizer sends;
Verify described time service information, if described in be verified, by described precision interval clock protocol channels, to described main station time synchronizer, send out monitoring information and detect acquisition testing result, described testing result comprises the time deviation between main station time synchronizer and slave station time synchronism equipment;
By described precision interval clock protocol channels, receive described time deviation;
According to described time deviation, carry out local zone time adjustment.
A monitoring system for time synchronized, comprises main station time synchronizer, and described main station time synchronizer comprises the first Transmit-Receive Unit and detecting unit, wherein:
Described the first Transmit-Receive Unit for by precision interval clock protocol channels to slave station time synchronism equipment send time service information, receive described slave station time synchronism equipment the described time service information of checking by after return monitoring letter, send to described slave station time synchronism equipment to carry out time adjustment described time deviation, also for the testing result that described detecting unit is obtained be uploaded to that system for monitoring time synchronization backstage is stored, statistical analysis or Threshold Crossing Alert;
Described detecting unit is for detecting and obtain testing result described monitoring information according to main website local time information, and described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment.
A monitoring system for time synchronized, comprises main station time synchronizer, and described main station time synchronizer comprises the first Transmit-Receive Unit and detecting unit, wherein:
Described the first Transmit-Receive Unit for by precision interval clock protocol channels to slave station time synchronism equipment send time service information, receive described slave station time synchronism equipment the described time service information of checking by after return monitoring letter, send to described slave station time synchronism equipment to carry out time adjustment described time deviation, also for the testing result that described detecting unit is obtained be uploaded to that system for monitoring time synchronization backstage is stored, statistical analysis or Threshold Crossing Alert;
Described detecting unit is for detecting and obtain testing result described monitoring information according to main website local time information, and described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment.
A kind of monitoring system of time synchronized, it is characterized in that, comprise main station time synchronizer as above, slave station time synchronism equipment as above and detection system backstage, described detection system backstage for described testing result is stored, statistical analysis or Threshold Crossing Alert.
According to the scheme of the invention described above, it is to receive after the time service information that main station time synchronizer sends by precision interval clock protocol channels at slave station time synchronism equipment, verify described time service information, if be verified, by described precision interval clock protocol channels, to described main station time synchronizer, send out monitoring information, main station time synchronizer detects and obtains testing result described monitoring information according to main website local time information, and send to described slave station time synchronism equipment to carry out time adjustment the time deviation in this testing result by described precision interval clock protocol channels, and described testing result is uploaded to system for monitoring time synchronization backstage stores, statistical analysis, or Threshold Crossing Alert, because the time service of time synchronized and monitoring all adopt precision interval clock protocol channels, and this precision interval clock protocol channels is two-way channel, realized the monitoring of carrying out time synchronized by time service channel, solved the problem of data channel independent busy channel in conventional art, improved the utilance of channel resource.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the monitoring method embodiment mono-of time synchronized of the present invention;
Fig. 2 is the schematic flow sheet of the monitoring method embodiment bis-of time synchronized of the present invention;
Fig. 3 is the schematic flow sheet of the monitoring method embodiment tri-of time synchronized of the present invention;
Fig. 4 is the message content schematic diagram of time synchronized broadcasting packet;
Fig. 5 is the message content schematic diagram of time supervision message;
Fig. 6 is the message content schematic diagram of the time correcting message;
Fig. 7 is the message content schematic diagram of time management message;
Fig. 8 is the structural representation of the monitoring system embodiment 1 of time synchronized of the present invention;
Fig. 9 is the structural representation of the monitoring system embodiment 2 of time synchronized of the present invention;
Figure 10 is the structural representation of the monitoring system embodiment 3 of time synchronized of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated, but implementation of the present invention is not limited to this.
The schematic flow sheet of the monitoring method embodiment mono-of time synchronized of the present invention has been shown in Fig. 1.In this embodiment mono-, be to take the processing procedure of main station time synchronizer to describe as example.
As shown in Figure 1, in this embodiment mono-, the processing procedure of main station time synchronizer includes:
Step S101: acquisition time frequency reference, according to described temporal frequency benchmark, determine the clock of main station time synchronizer;
Generally can be from GPS (Global Positioning System, global positioning system)), the acquisition time such as big-dipper satellite or outside cesium-beam atomic clock frequency reference, if from GPS/ big-dipper satellite acquisition time frequency reference, need main station time synchronizer to have and receive the interface that GPS/ big-dipper satellite a reference source is obtained the frequency reference of fixing time, if from outside cesium-beam atomic clock acquisition time frequency reference, generally the mating interface of external cesium-beam atomic clock is set on main station time synchronizer, but the mode of acquisition time frequency reference is not limited to this;
Time service information in following step can determine according to the clock of this main station time synchronizer, mainly refers to that the moment that main station time synchronizer in time service information sends this time service information determines according to the clock of this main station time synchronizer;
Can be regularly to carry out obtaining of temporal frequency benchmark, can be also by the obtaining of triggering command triggered time frequency reference, or other modes that can realize;
This step S101 acquisition time frequency reference, according to described temporal frequency benchmark, determine the clock of main station time synchronizer, can be for the realization of the synchronous time service of follow-up time and monitoring task, in actual applications, for completing acquisition time frequency reference, according to described temporal frequency benchmark, determine the situation of the clock of main station time synchronizer, can ignore above-mentioned steps S101 can directly start to carry out from following step S102;
Step S102: send time service information to slave station time synchronism equipment by precision interval clock protocol channels;
The time service information that main station time synchronizer sends to slave station time synchronism equipment generally comprises the clock ID (abbreviation of IDentity of main station time synchronizer, identify label number, sequence number or account number) and main station time synchronizer send moment of this time service information, also can comprise the information such as main station time synchronizer operating state, wherein, the clock ID of main station time synchronizer is the unique identification of main station time synchronizer, and it is standard that the moment that main station time synchronizer sends this time service information be take the clock of main station time synchronizer;
Usually, main station time synchronizer is that mode by broadcast sends time service information to each slave station time synchronism equipment;
Step S103: by described precision interval clock protocol channels receive described slave station time synchronism equipment the described time service information of checking by after the monitoring information that returns;
Described slave station time synchronism equipment mainly refers to the checking of time service information whether the information that checking slave station time synchronism equipment receives is really time service information, is if so, verified;
In monitoring information, generally comprise the clock ID of slave station time synchronism equipment and the moment that slave station time synchronism equipment sends this monitoring information, the clock ID of slave station time synchronism equipment is the uniqueness sign of slave station time synchronism equipment, it is standard that the moment that slave station time synchronism equipment sends this monitoring information be take the clock of slave station time synchronism equipment, and detection information can also comprise gps time, Big Dipper time of slave station time synchronism equipment etc.;
Step S104: according to main website local time information, described monitoring information is detected and obtains testing result, described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment;
Main website local time information is to take that the clock of main station time synchronizer is standard, can be included in the moment (sending the moment of time service information) of the record that sends time service information and the moment (receiving the moment of described monitoring information) of recording when receiving described monitoring information, according to main website local time information, acquisition testing result is tested and compared to described monitoring information, wherein the time deviation in testing result can obtain in the following way:
Determine the time delays between main station time synchronizer and slave station time synchronism equipment according to the moment of the transmission time service information in local time information and moment of receiving described monitoring information, it is standard that the moment of described transmission time service information and the moment that receives described monitoring information be take the clock of main station time synchronizer, wherein, time delays=0.5* (receiving the moment of the moment-transmission time service information of described monitoring information);
The moment that sends described monitoring information according to the slave station time synchronism equipment in described time delays and described monitoring information is determined described time deviation, it is standard that the moment that described slave station time synchronism equipment sends described monitoring information be take the clock of slave station time synchronism equipment, wherein, the described monitoring information of time deviation=receive the moment-(sending the moment+time delays of described monitoring information);
This mode is for determining a preferred mode of time deviation, but the mode of definite time deviation is not limited to this;
Step S105: send to described slave station time synchronism equipment to carry out time adjustment described time deviation by described precision interval clock protocol channels;
If time deviation be on the occasion of, slave station time synchronism equipment can be by the time corresponding to clock backward delay time deviation of slave station time synchronism equipment, if time deviation is negative value, slave station time synchronism equipment can be pushed ahead the clock of slave station time synchronism equipment time corresponding to time deviation;
Step S106: by described testing result be uploaded to that system for monitoring time synchronization backstage is stored, statistical analysis or Threshold Crossing Alert;
Synchronous monitoring system backstage to testing result store, statistical analysis or Threshold Crossing Alert can adopt the existing mode that can realize arbitrarily, do not repeat them here.
Accordingly, according to the scheme in the present embodiment one, it is to receive after the time service information that main station time synchronizer sends by precision interval clock protocol channels at slave station time synchronism equipment, when the described time service information of checking passes through, by described precision interval clock protocol channels, to described main station time synchronizer, send out monitoring information, main station time synchronizer detects and obtains testing result described monitoring information according to main website local time information, and send to described slave station time synchronism equipment to carry out time adjustment the time deviation in this testing result by described precision interval clock protocol channels, and described testing result is uploaded to system for monitoring time synchronization backstage stores, statistical analysis, or more, because the time service of time synchronized and monitoring all adopt precision interval clock protocol channels, and this precision interval clock protocol channels is two-way channel, realized and by time service channel, carried out the monitoring of time synchronized, solved the problem of data channel independent busy channel in conventional art, improved the utilance of channel resource.
The schematic flow sheet of the monitoring method embodiment bis-of time synchronized of the present invention has been shown in Fig. 2.In this embodiment bis-, be to take the processing procedure of slave station time synchronism equipment to describe as example.
As shown in Figure 2, in this embodiment bis-, the processing procedure of slave station time synchronism equipment includes:
Step S201: receive the time service information that main station time synchronizer sends by precision interval clock protocol channels;
Step S202: verify described time service information, if described in be verified, by described precision interval clock protocol channels, to described main station time synchronizer, send monitoring information and detect acquisition testing result, described testing result comprises the time deviation between main station time synchronizer and slave station time synchronism equipment;
Step S203: receive described time deviation by described precision interval clock protocol channels;
Step S204: carry out the adjustment of slave station local zone time according to described time deviation.
Accordingly, according to the scheme in the present embodiment two, it is to receive after the time service information that main station time synchronizer sends by precision interval clock protocol channels at slave station time synchronism equipment, when the described time service information of checking passes through, by described precision interval clock protocol channels, to described main station time synchronizer, send out monitoring information, main station time synchronizer detects and obtains testing result described monitoring information according to main website local time information, and send to described slave station time synchronism equipment to carry out time adjustment the time deviation in this testing result by described precision interval clock protocol channels, because the time service of time synchronized and monitoring all adopt precision interval clock protocol channels, and this precision interval clock protocol channels is two-way channel, realized and by time service channel, carried out the monitoring of time synchronized, solved the problem of data channel independent busy channel in conventional art, improved the utilance of channel resource.
It should be noted that the technical characterictic of monitoring method of the time synchronized in above-described embodiment one and the monitoring method that beneficial effect is all applicable to the time synchronized in the present embodiment thereof, at this, do not repeat in detail one by one.
In conjunction with the scheme in above-described embodiment one, embodiment bis-, Fig. 3 shows the schematic flow sheet of the monitoring method embodiment tri-of time synchronized of the present invention.In the present embodiment, be that the two-way interactive process of main station time synchronizer and slave station time synchronizing equipment while take the monitoring of time synchronized describes as example, this explanation is not in order to form restriction to the present invention program.
As shown in Figure 3, in this embodiment tri-, the method in the present embodiment comprises step:
Step S301: main station time synchronizer acquisition time frequency reference, according to described temporal frequency benchmark, determine the clock of main station time synchronizer;
Step S302: main station time synchronizer sends time service information by precision interval clock protocol channels to slave station time synchronism equipment;
Step S303: slave station time synchronism equipment receives described time service information, verifies described time service information, if described in be verified, by described precision interval clock protocol channels, to described main station time synchronizer, send monitoring information;
Step S304: main station time synchronizer receives the monitoring information that slave station time synchronism equipment sends, according to main website local time information, described monitoring information is detected and obtains testing result, described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment;
Step S305: main station time synchronizer sends to described slave station time synchronism equipment by described precision interval clock protocol channels by described time deviation, by described testing result be uploaded to that system for monitoring time synchronization backstage is stored, statistical analysis or Threshold Crossing Alert;
Step S306: slave station time synchronism equipment receives the time deviation that main station time synchronizer sends, and carries out the adjustment of slave station local zone time according to described time deviation.
Accordingly, according to the scheme in the present embodiment three, it is to receive after the time service information that main station time synchronizer sends by precision interval clock protocol channels at slave station time synchronism equipment, when the described time service information of checking passes through, by described precision interval clock protocol channels, to described main station time synchronizer, send out monitoring information, main station time synchronizer detects and obtains testing result described monitoring information according to main website local time information, and send to described slave station time synchronism equipment to carry out time adjustment the time deviation in this testing result by described precision interval clock protocol channels, and described testing result is uploaded to system for monitoring time synchronization backstage stores, statistical analysis, or Threshold Crossing Alert, , because the time service of time synchronized and monitoring all adopt precision interval clock protocol channels, and this precision interval clock protocol channels is two-way channel, realized and by time service channel, carried out the monitoring of time synchronized, solved the problem of data channel independent busy channel in conventional art, improved the utilance of channel resource.
It should be noted that the technical characterictic of monitoring method of the time synchronized in above-described embodiment one and the monitoring method that beneficial effect is all applicable to the time synchronized in the present embodiment thereof, at this, do not repeat in detail one by one.
For the ease of understanding the present invention, take a specific embodiment below as the present invention will be described, but implementation of the present invention is not limited to this.
First, main station time synchronizer is to the regular transmitting time synchronized broadcasting of slave station time synchronism equipment message, synchronized broadcasting message comprises the current time T1 of main website, the form that is the time service information employing synchronized broadcasting message in above-described embodiment sends, Fig. 4 is the message content schematic diagram of time synchronized broadcasting packet, and wherein, 001 field is the clock ID of main website, as the unique identification of main website, 8 bytes of length; 002 field is type of message, 1 byte of length, and the type of message of time synchronized broadcasting packet is fixed as 0xFF; 003 field is the delivery time T1 of main website, 10 bytes of length; 004-006 is extended field, 10 bytes of every field, and totally 30 bytes, can describe the information such as state of doing of main station time synchronizer work;
Secondly, at slave station time synchronism equipment, determine and receive after effective time synchronized broadcasting packet, immediately to main website transmitting time monitoring message, wherein, the mode that whether comprises the field that the type of message of time synchronized broadcasting packet is corresponding in the message that the validation verification of time synchronized broadcasting packet can receive by detection, in time supervision message, carry the time T 2 of slave station this locality, the other times source time of slave station time synchronism equipment, slave station status information of equipment, the form that is the monitoring information employing time supervision message in above-described embodiment sends, accompanying drawing 4 is message content schematic diagrames of time supervision message, wherein, 001 field is from station clock ID, each slave station has a unique identification, 8 bytes of length, 002 field is type of message, 1 byte of length, and the type of message of time supervision message is fixed as 0x10, 003 field is slave station delivery time T2, and T2 is slave station local zone time, 10 bytes of length, 004 field is slave station gps time, if slave station does not have GP configuring S or GPS physical fault, 004 field fills out 1 entirely, 10 bytes of length, 005 field is the slave station Big Dipper time, if slave station does not have GP configuring S or GPS physical fault, 005 field fills out 1 entirely, 10 bytes of length, 006-009 is extended field, 10 bytes of every field, and totally 30 bytes, can describe the information such as operating state of slave station time synchronism equipment,
Then, main station time synchronizer need to extract each information from the time supervision message receiving, the moment of setting main station time synchronizer time of reception monitoring message is T3, main website is Delayms to the time delays of slave station, slave station is Delaysm to the time delays of main website, suppose Delay=Delayms=Delaysm, Delay=(T3-T1)/2, wherein, Delay is the time delays between main station time synchronizer and slave station time synchronism equipment, utilize main station time to carry out monitoring and the comparison of each temporal information of slave station time synchronism equipment, main station time synchronizer and be from the time deviation of station equipment time synchronism equipment: MSoffset=T3-(T2+Delay), main station time synchronizer is sent out the time to slave station time synchronism equipment and is corrected message for slave station time synchronism equipment adjustment local zone time, this time corrects message and comprises MSoffset information, the form that is the time deviation employing time supervision message in above-described embodiment sends, Fig. 5 is the message content schematic diagram of the time correcting message, wherein, 001 field is the clock ID of main website, unique identification as main website, 8 bytes of length, 002 field is type of message, 1 byte of length, and the type of message that the time is corrected message is fixed as 0x20, 003 field is principal and subordinate's time deviation, and the master station and follow station time deviation that main station time synchronizer calculates (or manually specifying) offers slave station and does time adjustment use, 10 bytes of length, 004 field is flag, 1 byte of length, 0x10 sign principal and subordinate time deviation is that main website calculates gained, 0x20 sign principal and subordinate time deviation is artificial appointment, acquiescence is 0x10, and the effect administrative staff of Shi Dang main website need manually to force adjustment slave station time Shi， main website directly to slave station, to send the time correction message of 0x20 sign, after slave station receives, the slave station time is unconditionally adjusted at once, 005-006 is extended field.10 bytes of every field, totally 20 bytes;
Main station time synchronizer is also resolved the other times information in time supervision message simultaneously, carry out deviation calculating, and organize time management message to send to system for monitoring time synchronization backstage, being monitoring result in above-described embodiment sends with the form of time management message, accompanying drawing 6 is message content schematic diagrames of time management message, and wherein, 001 field is from station clock ID, each slave station has a unique identification, 8 bytes of length; 002 field is main station time, main website local zone time when main station time refers to test, 10 bytes of length; 003 field is slave station time ，Wei main website value of obtaining from 302 messages, 10 bytes of length; 004 field is the master station and follow station time difference, and main website test obtains, 10 bytes of length; 005 field is slave station gps time ，Wei main website value of obtaining from 302 messages, 10 bytes of length; 006 field is that the test of master station and follow station gps time Cha， main website obtains, 10 bytes of length; 007 field is slave station Big Dipper time ，Wei main website value of obtaining from 302 messages, 10 bytes of length; 008 field is the master station and follow station Big Dipper time difference, and main website test obtains, 10 bytes of length; 009～012 field is extended field, and 40 bytes of length it should be noted that, time management message is event bag, but not the non-event bag of standard IEEE 1588v2 regulation.
Need to say, the message content figure in Fig. 4～Fig. 7 is signal, also can increase according to actual needs, delete, revise field.
According to the monitoring method of the time synchronized of the invention described above, the present invention also provides a kind of monitoring system of time synchronized.The monitoring system of time synchronized of the present invention, can only include in main station time synchronizer, slave station time synchronism equipment, also can comprise main station time synchronizer and slave station time synchronism equipment simultaneously.For convenience of description, in Fig. 5, take in conjunction with client and server is example, shows the structural representation of software update system embodiment of the present invention.
The structural representation of the monitoring system embodiment 1 of time synchronized of the present invention has been shown in Fig. 8.In this embodiment 1, be that to only include main station time synchronizer be that example describes.
As shown in Figure 8, in this embodiment 1, the monitoring system of time synchronized of the present invention comprises main station time synchronizer 401, and this main station time synchronizer 401 comprises the first Transmit-Receive Unit 4011 and detecting unit 4012, wherein:
The first Transmit-Receive Unit 4011 for by precision interval clock protocol channels to slave station time synchronism equipment send time service information, receive described slave station time synchronism equipment the described time service information of checking by after return monitoring letter, send to described slave station time synchronism equipment to carry out time adjustment described time deviation, also for the testing result that described detecting unit is obtained be uploaded to that system for monitoring time synchronization backstage is stored, statistical analysis or Threshold Crossing Alert;
Detecting unit 4012 is for detecting and obtain testing result described monitoring information according to main website local time information, and described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment.
In an implementation, as shown in Figure 8, above-mentioned main station time synchronizer 401 can also comprise therein:
Therein in an implementation, detecting unit 4012 can be determined the time delays between main station time synchronizer and slave station time synchronism equipment according to the moment of the transmission time service information in local time information and the moment that receives described monitoring information, it is standard that the moment of described transmission time service information and the moment that receives described monitoring information be take the clock of main station time synchronizer, the moment that sends described monitoring information according to the slave station time synchronism equipment in described time delays and described monitoring information is determined described time deviation, it is standard that the moment that described slave station time synchronism equipment sends described monitoring information be take the clock of slave station time synchronism equipment.
The structural representation of the monitoring system embodiment 2 of time synchronized of the present invention has been shown in Fig. 9.In this embodiment 2, be that to only include slave station time synchronism equipment be that example describes.
As shown in Figure 9, in this embodiment 2, the monitoring system of time synchronized of the present invention comprises slave station time synchronism equipment 402, and this slave station time synchronism equipment 402 comprises the second Transmit-Receive Unit 4021, authentication unit 4022 and adjustment unit 4023, wherein:
The second Transmit-Receive Unit 4021 is for receiving by precision interval clock protocol channels the time service information that main station time synchronizer sends, after described authentication unit is verified described time service information, to described main station time synchronizer, send out monitoring information and detect acquisition testing result, receive the main station time synchronizer of described main station time synchronizer transmission and the time deviation between slave station time synchronism equipment, wherein, described testing result comprises described time deviation, described monitoring information comprises that slave station time synchronism equipment sends the moment of this monitoring information, it is standard that the moment that described slave station time synchronism equipment sends described monitoring information be take the clock of slave station time synchronism equipment,
The structural representation of the monitoring system embodiment 3 of time synchronized of the present invention has been shown in Figure 10.In this embodiment 3, be to comprise that main station time synchronizer and slave station time synchronism equipment are that example describes simultaneously.
As shown in figure 10, the monitoring system of the monitoring system time synchronized of time synchronized of the present invention comprises the main station time synchronizer 401 in detection system backstage 403, above-mentioned any implementation, the slave station time synchronism equipment 402 in above-mentioned any implementation, detection system backstage 403 for described testing result is stored, statistical analysis or Threshold Crossing Alert.
The monitoring system of the time synchronized in the above embodiment of the present invention is corresponding one by one with the monitoring method of image time synchronized of the present invention, in the embodiment of the monitoring system that the technical characterictic of setting forth at the embodiment of the monitoring method of above-mentioned time synchronized and beneficial effect thereof are all applicable to time synchronized, statement hereby.
The above embodiment has only expressed several execution mode 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 range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a monitoring method for time synchronized, is characterized in that, comprises the steps:
By precision interval clock protocol channels, to slave station time synchronism equipment, send time service information;
By described precision interval clock protocol channels receive described slave station time synchronism equipment the described time service information of checking by after the monitoring information that returns;
According to main website local time information, described monitoring information is detected and obtains testing result, described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment;
By described precision interval clock protocol channels, send to described slave station time synchronism equipment to carry out time adjustment described time deviation;
By described testing result be uploaded to that system for monitoring time synchronization backstage is stored, statistical analysis or Threshold Crossing Alert.
2. according to the monitoring method of the time synchronized described in right 1, it is characterized in that, described, by precision interval clock protocol channels, before sending time service information step, slave station time synchronism equipment also comprises step: from GPS, big-dipper satellite or outside cesium-beam atomic clock acquisition time frequency reference, according to described temporal frequency benchmark, determine the clock of main station time synchronizer, described time service information is determined according to the clock of this main station time synchronizer.
3. according to the monitoring method of the time synchronized described in right 1, it is characterized in that, describedly according to main website local time information, described monitoring information detected and obtains testing result and comprise step:
Determine the time delays between main station time synchronizer and slave station time synchronism equipment according to the moment of the transmission time service information in local time information and moment of receiving described monitoring information, it is standard that the moment of described transmission time service information and the moment that receives described monitoring information be take the clock of main station time synchronizer;
The moment that sends described monitoring information according to the slave station time synchronism equipment in described time delays and described monitoring information is determined described time deviation, and it is standard that the moment that described slave station time synchronism equipment sends described monitoring information be take the clock of slave station time synchronism equipment.
4. a monitoring method for time synchronized, is characterized in that, comprises the steps:
By precision interval clock protocol channels, receive the time service information that main station time synchronizer sends;
Verify described time service information, if described in be verified, by described precision interval clock protocol channels, to described main station time synchronizer, send monitoring information and detect acquisition testing result, described testing result comprises the time deviation between main station time synchronizer and slave station time synchronism equipment;
By described precision interval clock protocol channels, receive the time deviation that described main station time synchronizer sends;
According to described time deviation, carry out local zone time adjustment.
5. time service according to claim 4 and monitoring method, it is characterized in that, described monitoring information comprises that slave station time synchronism equipment sends the moment of this monitoring information, and it is standard that the moment that described slave station time synchronism equipment sends described monitoring information be take the clock of slave station time synchronism equipment.
6. a monitoring system for time synchronized, is characterized in that, comprises main station time synchronizer, and described main station time synchronizer comprises the first Transmit-Receive Unit and detecting unit, wherein:
Described the first Transmit-Receive Unit for by precision interval clock protocol channels to slave station time synchronism equipment send time service information, receive described slave station time synchronism equipment the described time service information of checking by after return monitoring letter, send to described slave station time synchronism equipment to carry out time adjustment described time deviation, also for the testing result that described detecting unit is obtained be uploaded to that system for monitoring time synchronization backstage is stored, statistical analysis or Threshold Crossing Alert;
Described detecting unit is for detecting and obtain testing result described monitoring information according to main website local time information, and described testing result comprises the time deviation between main station time synchronizer and described slave station time synchronism equipment.
7. according to the monitoring system of the time synchronized described in right 6, it is characterized in that, described main station time synchronizer also comprises:
Time reference unit, be used for from GPS, big-dipper satellite or outside cesium-beam atomic clock acquisition time frequency reference, according to described temporal frequency benchmark, determine the clock of main station time synchronizer, described time service information is determined according to the clock of this main station time synchronizer.
8. according to the monitoring system of the time synchronized described in right 6, it is characterized in that:
Described detecting unit is determined the time delays between main station time synchronizer and slave station time synchronism equipment according to the moment of the transmission time service information in local time information and moment of receiving described monitoring information, it is standard that the moment of described transmission time service information and the moment that receives described monitoring information be take the clock of main station time synchronizer, the moment that sends described monitoring information according to the slave station time synchronism equipment in described time delays and described monitoring information is determined described time deviation, it is standard that the moment that described slave station time synchronism equipment sends described monitoring information be take the clock of slave station time synchronism equipment.
9. a monitoring system for time synchronized, is characterized in that, comprises slave station time synchronism equipment, and described slave station time synchronism equipment comprises the second Transmit-Receive Unit, authentication unit and adjustment unit, wherein:
Described the second Transmit-Receive Unit is for receiving by precision interval clock protocol channels the time service information that main station time synchronizer sends, after described authentication unit is verified described time service information, to described main station time synchronizer, send out monitoring information and detect acquisition testing result, receive the main station time synchronizer of described main station time synchronizer transmission and the time deviation between slave station time synchronism equipment, wherein, described testing result comprises described time deviation, described monitoring information comprises that slave station time synchronism equipment sends the moment of this monitoring information, it is standard that the moment that described slave station time synchronism equipment sends described monitoring information be take the clock of slave station time synchronism equipment,
Described authentication unit is used for verifying described time service information;
Described adjustment unit carries out local zone time adjustment according to described time deviation.
10. the monitoring system of a time synchronized, it is characterized in that, comprise the main station time synchronizer as described in one of claim 6 to 8, slave station time synchronism equipment as claimed in claim 9 and detection system backstage, described detection system backstage for described testing result is stored, statistical analysis or Threshold Crossing Alert.
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