CN102593955A - Comprehensive intelligent time frequency testing system and testing method - Google Patents
Comprehensive intelligent time frequency testing system and testing method Download PDFInfo
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- CN102593955A CN102593955A CN201210055292XA CN201210055292A CN102593955A CN 102593955 A CN102593955 A CN 102593955A CN 201210055292X A CN201210055292X A CN 201210055292XA CN 201210055292 A CN201210055292 A CN 201210055292A CN 102593955 A CN102593955 A CN 102593955A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention discloses a comprehensive intelligent time frequency testing system and a testing method. The system comprises a GPS (global positioning system)/Big Dipper antenna receiver, a management machine, a time frequency standard source and time standard pulse testing equipment, standard frequency testing equipment, IRIG (inter range instrumentation group) -B timing code testing equipment, a NTP/SNTP (network time protocol/simple network time protocol) message testing equipment and a PTP (precision time synchronization protocol) message testing equipment. The management machine is provided with a database and is used for running a testing and analyzing management program. The time frequency standard source is used for connecting the management machine through a communication link to realize program control. An intelligent time frequency signal switcher is provided, and the program control of the management machine is realized through the testing and analyzing management program; moreover, the switch of the program control is carried out by the intelligent time frequency signal switcher for carrying out a comprehensive intelligent time frequency test. The intelligent comprehensive test to the tested time synchronous equipment can be effectively and easily carried out with no need of manual intervention, so that the intelligentization, the standardization and the systematization levels of the tests of the complicated service function and performace of the time synchronous equipment are practically improved, the test performance is more correct, the testing efficiency is higher, and the testing time is greatly shortened.
Description
Technical field
The present invention relates to the test of time synchronized and temporal frequency, particularly relate to a kind of comprehensive intelligent temporal frequency test macro and method of testing.
Background technology
Unified, precise time is unique effective scale of striding space administration of power networks and data analysis, also is unique effective assurance that electrical network normally moved, effectively carried out administration of power networks and data analysis.Guarantee the performance and the accuracy of time synchronism equipment, must test it and verify through high-precision test macro.Existing temporal frequency testing equipment kind is more; Measuring accuracy and performance have nothing in common with each other; Integrated management and analysis ability a little less than; And function singleness can only be carried out performance test to certain single frequency time signal, can not carry out synchronous integration test to multiple frequency time signal; Can not be to the synchronous integration test of carrying out of time synchronism equipment complicated business performance and function; Can not carry out data acquisition and storage automatically, can not carry out specific temporal frequency business function intelligent test, can not carry out comprehensive high precision measurement, can not carry out analysis-by-synthesis and evaluation the service feature and the function of time synchronism equipment to be tested to time synchronism equipment to be tested.
Summary of the invention
A technical problem to be solved by this invention is the defective that remedies in above-mentioned existing temporal frequency measuring technology and the method, and a kind of comprehensive intelligent temporal frequency test macro is provided.
Another technical problem to be solved by this invention is the defective that remedies in above-mentioned existing temporal frequency measuring technology and the method, and a kind of comprehensive intelligent temporal frequency method of testing is provided.
Comprehensive intelligent temporal frequency test macro technical problem of the present invention solves through following technical scheme.
This comprehensive intelligent temporal frequency test macro; Comprise and receive global positioning system (the Global Positioning System of satellite time signal as the time signal standard source of test; Initialism is GPS)/Big Dipper antenna receiver, be provided with the supervisor of database and operation test analysis hypervisor; And realize program control time and frequency standard source and standard test equipment through communication link connection management machine respectively; Said standard test equipment comprises timing pulse testing equipment, standard frequency testing equipment, international target range instrument group (Inter Range Instrumentation Group; Initialism is IRIG)-B timing code (hereinafter to be referred as the IRIG-B sign indicating number) testing equipment, NTP (Network Time Procotol; Initialism is NTP) message/SNTP (Simple Network Time Protocol; Initialism is SNTP) the message testing equipment, and exact time synchronization agreement (Precision Time Synchronization Protocol, initialism is PTP) message testing equipment.
The characteristics of this comprehensive intelligent temporal frequency test macro are:
Be provided with intelligent frequency time signal switch; Said intelligent frequency time signal switch is connected with said supervisor through communication link; Also respectively with GPS/ Big Dipper antenna receiver, time and frequency standard source, standard test equipment, and time synchronism equipment to be tested connects.
The program control of said supervisor realizes that through the test analysis hypervisor that runs in the supervisor said test analysis hypervisor also has functions such as censorship equipment information management, user/rights management, log management, the management of historical test assignment, system information statistics.Said test analysis hypervisor is the core of the management of whole system information, parameter configuration, test control, data analysis and assessment.
Carry out following program control switching respectively by said intelligent frequency time signal switch:
The gps time signal and the Big Dipper time signal that will receive as the GPS/ Big Dipper antenna receiver of time signal standard source are expanded, and program control respectively said time and frequency standard source, said IRIG-B sign indicating number testing equipment, the said NTP/SNTP message testing equipment of switching to;
With the reference 1PPS time scale pulse signal of said time and frequency standard source output, the program control timing pulse testing equipment that switches to, 1PPS time scale pulse signal as a reference;
With the 10MHz frequency signal of said time and frequency standard source output, the program control standard frequency testing equipment that switches to is as the frequency reference benchmark;
Switch to said timing pulse testing equipment with the 1PPS time scale pulse signal to be tested of said time synchronism equipment to be tested output is program control; Test 1PPS timing pulse accuracy, rising/fall time, rising/decline pulsewidth, just/negative duty ratio, and punctual timing pulse accuracy.
With program control said standard frequency testing equipment, accuracy, stability, daily fluctuation, ageing rate, the reproducibility of test 10MHz standard frequency, and start characteristic of switching to of the 10MHz frequency signal to be tested of said time synchronism equipment to be tested output;
With program control said IRIG-B sign indicating number testing equipment, test I RIG-B sign indicating number accuracy, the error rate, and the content of understanding the IRIG-B sign indicating number of switching to of the IRIG-B sign indicating number to be tested of said time synchronism equipment to be tested output;
The NTP/SNTP message to be tested that said time synchronism equipment to be tested is exported exports said NTP/SNTP message testing equipment to, test NTP/SNTP message accuracy, and understand the NTP/SNTP content of message;
The PTP message to be tested that said time synchronism equipment to be tested is exported exports PTP message testing equipment to; Said time synchronism equipment to be tested and PTP message testing equipment are carried out time synchronized through the PTP agreement; The program control timing pulse testing equipment of simultaneously PTP message testing equipment being exported that switches to of 1PPS time scale pulse signal; Through the 1PPS pulse accuracy that test PTP message testing equipment is exported, test PTP message accuracy;
The serial ports message to be tested that said time synchronism equipment to be tested is exported exports supervisor to; By the supervisor of the operation test analysis hypervisor NTP message through the output of time and frequency standard source carry out accurately to the time; Test serial ports message time deviation, and understand the serial ports content of message.
Comprehensive intelligent temporal frequency test macro technical problem of the present invention solves through following further technical scheme.
Said GPS/ Big Dipper antenna receiver is that model is the antenna receiver of DY-GABR045P00A; Said GPS/ Big Dipper antenna receiver receives gps time signal and Big Dipper time signal; And be entered in the intelligent frequency time signal switch and amplify; And expand to multichannel; For whole system provides high precision time frequency standard signal is time frequency reference benchmark; Wherein 1 road gps time signal exports the time signal source of IRIG-B sign indicating number time signal testing equipment as IRIG-B sign indicating number time signal equipment to, and 1 road gps time signal and 1 north of a road bucket time signal export the satellite time reference signal of time synchronism equipment to be tested as time synchronism equipment to be tested respectively to, and 1 road gps time signal exports the time signal source of time and frequency standard source as the time and frequency standard source to.
Said time and frequency standard source is that model is the temporal frequency a reference source of TSC4400; Said time and frequency standard source receives gps time signal and the Big Dipper time signal by intelligent frequency time signal switch expansion output; Its internal clocking is tamed; Export high-precision 1PPS timing pulse and 10MHz frequency signal to intelligent frequency time signal switch; And expand to multichannel by the switching of intelligent frequency time signal switch; As the time reference reference signal of each testing equipment, said timing pulse and frequency signal are 1PPS and the 10MHz frequency reference signals that is synchronized with the UTC time, wherein; 1PPS time scale pulse signal after the switching exports the reference 1PPS time scale pulse signal of timing pulse testing equipment as the timing pulse testing equipment to, and the 10MHz frequency signal exports the 10MHz frequency reference signal of time synchronism equipment to be tested as time synchronism equipment to be tested to.
Said supervisor is a PC.
Said supervisor realizes that through said test analysis hypervisor test control, test assignment configuration, the test assignment of the switching controls of intelligent frequency time signal switch, various standard test equipment are dispatched automatically, test data is gathered automatically; And test data storage/retrieval and analysis-by-synthesis; Fully and effectively the performance and the function of time synchronism equipment to be tested are tested; Support multiple signal to test simultaneously, test process is accurate, simple and direct, convenient, intelligent
Said supervisor carries out buffer memory to the test assignment of setting, and adopts the multitask designing technique, and a plurality of different test assignments are dispatched automatically and controlled; After starting the test assignment scheduling; Assign control command according to test assignment from trend intelligence frequency time signal switch, carry out the switching of frequency time signal, assign instruction from the trend standard test equipment and carry out the test parameter configuration, start test; Simultaneously; Automatic collecting test data, and resolve, calculate, add up, store in the database.
Said supervisor can be tested multiple different frequency time signal to be tested simultaneously, can stop the task of testing at any time, can equity test assignment to be tested delete.
Said supervisor adopts the integrated management of database technique system information and test data, said integrated management to test data comprise test data retrieval, browse, analyze, derive, and the integrated management of test report.
Said timing pulse testing equipment is that model is the time-interval counter of CNT90 or CNT91.
Said standard frequency testing equipment is that model is the frequency marking comparison appearance of PO7D-2.
Said IRIG-B sign indicating number testing equipment is that model is the dual star topology split-second precision Frequency tester of GCT2000.
Said NTP/SNTP message testing equipment is that model is the dual star topology split-second precision Frequency tester of GCT2000.
Said PTP message testing equipment is that model is the terminal tester of SHPT2000.
Said intelligent frequency time signal switch; The communication control module, 1PPS timing pulse module, the 10MHz frequency signal module that comprise GPS/ Big Dipper aerial signal module that microprocessor module, program control end be connected through the program control bus with the output of microprocessor module respectively, IRIG-B sign indicating number module, be connected with supervisor realization communication through communication link; And being connected the power module that working power is provided respectively with above-mentioned module, the frequency time signal of said time and frequency standard source, various standard test equipment and satellite time signal connect, expand and switch through said intelligent frequency time signal switch.
Whether normally said time synchronism equipment to be tested is provided with demonstration time source signal lamp.
The various testing equipments of native system are mounted in the integrated equipment in the same frame, move with whole with convenient test wiring.
The various testing equipments of native system are mounted in the interior separate devices of casing separately, so that independent flexible Application.
Comprehensive intelligent temporal frequency test macro technical problem of the present invention solves through following further technical scheme.
The microprocessor module of said intelligent frequency time signal switch; GPIO mouth level through set MCU; The program control relay that control is relevant switches and program control RF switch break-make; Realize the control and management function of corresponding frequency time signal, said frequency time signal comprises 1PPS/1PPM pulse, IRIG-B sign indicating number, and GPS/ Big Dipper aerial signal.
The GPS/ Big Dipper aerial signal module of said intelligent frequency time signal switch; Comprise the RF Amplifier Module, No. six power dividers, six road radio frequency amplifiers that connect successively; And ac-coupled device; The input of said RF Amplifier Module is connected with GPS/ Big Dipper antenna receiver, is used to insert external GPS/Big Dipper aerial signal, and amplifies after No. six power dividers are divided into six the tunnel.
The IRIG-B sign indicating number module of said intelligent frequency time signal switch comprises:
First expansion module of four tunnel outputs is arranged, and the input of said first expansion module is connected with the benchmark IRIG-B sign indicating number output circuit of said IRIG-B sign indicating number testing equipment;
The first two-way program control relay, the TTL/485 signal conversion module that connect successively; The two-way input of the said first two-way program control relay is connected with the two-way output of said first expansion module respectively; The two-way output of said TTL/485 signal conversion module is respectively the output that can be joined B sign indicating number standard source by the programme controlled two path signal interface of said microprocessor module TTL/485, and the B sign indicating number can be set to TTL or the electric type of RS-485;
The second two-way program control relay, the electrooptic conversion module that connect successively; The two-way input of the said second two-way program control relay is connected with the two-way output of said first expansion module respectively, and the two-way output of said electrooptic conversion module is respectively the output by the programme controlled two ways of optical signals interface of said microprocessor module B sign indicating number standard source;
First photoelectric conversion module, the 3rd two-way program control relay that connect successively; The input of said first photoelectric conversion module is connected with the optical signal interface output circuit of IRIG-B sign indicating number to be tested; The output of said first photoelectric conversion module is connected with one road input of said the 3rd two-way program control relay; Another road input of said the 3rd two-way program control relay directly is connected with the electric signal interface output circuit of the IRIG-B sign indicating number to be tested of time synchronism equipment to be tested, and the output of said the 3rd two-way program control relay is to be the output of B sign indicating number electric signal interface by programme controlled one road signal-under-test output of said microprocessor module.
The 1PPS timing pulse module of said intelligent frequency time signal switch comprises:
Second expansion module that four tunnel outputs are arranged; The input of said second expansion module be connected with reference to 1PPS timing pulse output circuit, four road outputs of said second expansion module are respectively can't help the output in programme controlled four road electric signal interface 1PPS timing pulse extension standards sources of said microprocessor module;
Second photoelectric conversion module, the 4th two-way program control relay that connect successively; The input of said second photoelectric conversion module is connected with 1PPS timing pulse optical signal interface output circuit to be tested; The output of said second photoelectric conversion module is connected with one road input of said the 4th two-way program control relay; Another road input of said the 4th two-way program control relay directly is connected with 1PPS timing pulse electric signal interface output circuit to be tested, and the output of said the 4th two-way program control relay is the output by programme controlled one road electric signal interface of said microprocessor module 1PPS time scale pulse signal to be tested.
Comprehensive intelligent temporal frequency method of testing technical problem of the present invention solves through following six kinds of technical schemes.
A kind of 1PPS timing pulse characteristic and punctual method of testing that adopts the time synchronism equipment of above-mentioned comprehensive intelligent temporal frequency test macro; Supervisor operation test analysis hypervisor in the said Intelligentized test system is respectively through communication link program-controlled intelligent frequency time signal switch and 1PPS timing pulse testing equipment.
A kind of 1PPS timing pulse characteristic of the time synchronism equipment that adopts above-mentioned comprehensive intelligent temporal frequency test macro and the characteristics of punctual method of testing are:
1PPS timing pulse characteristic test has following steps successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the 1PPS signal switching that time synchronism equipment to be tested is exported exports the timing pulse testing equipment to;
2), the timing pulse testing equipment is configured according to the parameter in the test assignment;
3) program control timing pulse testing equipment starts test, and the individual features of 1PPS timing pulse is tested, and said individual features comprises accuracy, rising/fall time, rising/decline pulsewidth, and just/negative duty ratio;
4) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
5) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
6) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
Punctual test has following steps successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the 1PPS signal switching that time synchronism equipment to be tested is exported exports the timing pulse testing equipment to;
2), the timing pulse testing equipment is configured according to the parameter in the test assignment;
3) program control timing pulse testing equipment; Start test; Losing under the situation of all time reference signals by the program control timing pulse testing equipment of test analysis hypervisor; To the punctual test of carrying out the timing pulse accuracy of 1PPS timing pulse, and the result who by the test analysis hypervisor time pulse testing equipment is tested simultaneously gathers, calculates and add up, and the result is stored in the database of supervisor;
4) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
A kind of 10MHz standard frequency characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent temporal frequency test macro; Supervisor operation test analysis hypervisor in the said Intelligentized test system is respectively through communication link program-controlled intelligent frequency time signal switch and 10MHz standard frequency testing equipment.
A kind of characteristics of 10MHz standard frequency characteristic test method of the time synchronism equipment that adopts above-mentioned comprehensive intelligent temporal frequency test macro are:
Following steps are arranged successively:
1) by the input signal types parameter of test analysis hypervisor according to the test item of configuration; Program-controlled intelligent frequency time signal switch, 10MHz sine wave signal, square-wave signal switching that time synchronism equipment to be tested is exported export the standard frequency testing equipment to;
2) test assignment current in the standard frequency testing equipment is checked, cancelled existing test assignment;
3), the standard frequency testing equipment is configured according to the parameter in the test assignment;
4) programmed criteria frequency test equipment starts test, and the individual features of 10MHz frequency is tested, and said individual features comprises accuracy, stability, daily fluctuation, ageing rate, reproducibility, and the start characteristic;
5) the test analysis hypervisor begins to gather in real time the result data of standard frequency testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
6) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
A kind of IRIG-B sign indicating number characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent temporal frequency test macro; Supervisor operation test analysis hypervisor in the said Intelligentized test system is respectively through communication link program-controlled intelligent frequency time signal switch and IRIG-B sign indicating number testing equipment.
A kind of characteristics of IRIG-B sign indicating number characteristic test method of the time synchronism equipment that adopts above-mentioned comprehensive intelligent temporal frequency test macro are:
Following steps are arranged successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the IRIG-B coded signal switching that time synchronism equipment to be tested is exported exports IRIG-B sign indicating number testing equipment to;
2), IRIG-B sign indicating number testing equipment is configured according to the parameter in the test assignment;
3) program control IRIG-B sign indicating number testing equipment starts test, and the content of IRIG-B sign indicating number is tested and understood to the individual features of IRIG-B sign indicating number, and said individual features comprises accuracy, the error rate;
4) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
5) if when Pretesting be the test of performance classes, then test data is calculated, is added up and stores; If what work as Pretesting is that the IRIG-B sign indicating number is understood test, then only a result who understands is gathered and stores;
6) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.Can browse and analyze the IRIG-B digital content that continues to understand.
A kind of NTP/SNTP message characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent temporal frequency test macro; Supervisor operation test analysis hypervisor in the said Intelligentized test system is respectively through communication link program-controlled intelligent frequency time signal switch and NTP/SNTP message testing equipment.
A kind of characteristics of NTP/SNTP message characteristic test method of the time synchronism equipment that adopts above-mentioned comprehensive intelligent temporal frequency test macro are:
Following steps are arranged successively:
1), NTP/SNTP message testing equipment is configured according to the parameter in the test assignment;
2) program control NTP/SNTP message testing equipment starts test, and the NTP/SNTP content of message is tested and understood to the individual features of NTP/SNTP message, and said individual features comprises accuracy;
3) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
4) if when Pretesting be the test of accuracy, then test data is calculated, is added up and stores; If what work as Pretesting is that the NTP/SNTP message is understood test, then only a result who understands is gathered and stores;
5) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.Can browse and analyze the NTP/SNTP message content that continues to understand.
A kind of PTP message characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent temporal frequency test macro; Supervisor operation test analysis hypervisor in the said Intelligentized test system is respectively through communication link program-controlled intelligent frequency time signal switch and PTP message testing equipment.
A kind of characteristics of PTP message characteristic test method of the time synchronism equipment that adopts above-mentioned comprehensive intelligent temporal frequency test macro are:
Following steps are arranged successively:
1) PTP message testing equipment is carried out dissection process to the PTP message by time synchronism equipment output to be tested, and according to the message time, adjusts its internal clocking, exports the 1PPS time scale pulse signal simultaneously;
2) the test analysis hypervisor is according to the input signal interface type parameter of test item of configuration, and program-controlled intelligent frequency time signal switch switches the 1PPS signal of PTP message testing equipment output and exports the timing pulse testing equipment to;
3), the timing pulse testing equipment is configured according to the parameter in the test assignment;
4) program control timing pulse testing equipment starts test, and the individual features of PTP message is tested, and said individual features comprises accuracy;
5) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
6) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
A kind of serial ports message characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent temporal frequency test macro; Supervisor operation test analysis hypervisor in the said Intelligentized test system is through communication link program-controlled intelligent frequency time signal switch.
A kind of characteristics of serial ports message characteristic test method of the time synchronism equipment that adopts above-mentioned comprehensive intelligent temporal frequency test macro are:
Following steps are arranged successively:
1) tester starts test through the test analysis management software;
2) the test analysis hypervisor receives the serial ports message of time synchronism equipment output to be tested through the supervisor serial ports;
3) the serial ports content of message is tested and understood to the test analysis hypervisor to the time deviation of serial ports message; Comprise the serial ports message original text that receives is stored; And carry out verification according to the standard serial port message format; If the message mistake is found in verification, then error message is write down in the error message file, simultaneously the time, the type of error that take place of misregistration message; Message time and administrative time are compared, and computing time, deviation and was resolved message content, in the test analysis hypervisor, showed in real time;
4) after test process continues the time of tester's setting, finish automatically;
5) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis, comprises the original text of test packet is browsed.
The present invention's beneficial effect compared with prior art is:
Test analysis hypervisor through running in the supervisor is carried out program control to various standard test equipment, intelligent frequency time signal switch; Make organic cooperation between various standard test equipment, the intelligent frequency time signal switch; Can be under need not the situation of manual intervention, easy and effectively time synchronism equipment to be tested is carried out effective intelligent comprehensive property testing, improve intellectuality, standardization, the systematization level of time synchronism equipment complicated business function and performance test conscientiously; Test performance is more accurate; Testing efficiency is higher, and the testing time shortens greatly, has realized that test process is intelligent, standardization; Signal switching, data acquisition, parsing, calculating, statistics, storage automation; Adopt database technology to carry out the integrated management of system information and test data, data management is specialized, and data retrieval is very convenient with analysis.Can practice thrift the human cost of test greatly, maximizedly reduce the error that manual test causes.Test can generate test report according to test data after accomplishing, and conveniently the temporal frequency service feature and the function of time synchronism equipment to be tested is carried out objective evaluation.Can be widely used in the temporal frequency synthesization test and analysis of the time synchronism equipment in fields such as electric power, telecommunications, also can be used as the platform of temporal frequency technical research.
Description of drawings
Fig. 1 is the composition block diagram of the test macro of the specific embodiment of the invention;
Fig. 2 is the composition block diagram of the intelligent frequency time signal switch among Fig. 1;
Fig. 3 is the composition block diagram of the GPS/ Big Dipper aerial signal module of Fig. 2;
Fig. 4 is the composition block diagram of the IRIG-B sign indicating number module of Fig. 2;
Fig. 5 is the composition block diagram of the 1PPS timing pulse module of Fig. 2;
Fig. 6 is the composition block diagram of the 10MHz frequency module of Fig. 2.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention will be described.
A kind of comprehensive intelligent temporal frequency test macro shown in Fig. 1～6; Comprise receive the satellite time signal as the GPS/ Big Dipper antenna receiver 41 of the time signal standard source of test, be provided with the supervisor 8 of database 10 and operation test analysis hypervisor 9 and time and frequency standard source 1, timing pulse testing equipment 2, standard frequency testing equipment 3, IRIG-B testing equipment 4, NTP/SNTP message testing equipment 5 and PTP message testing equipment 6.Timing pulse testing equipment 2, standard frequency testing equipment 3, IRIG-B testing equipment 4, NTP/SNTP message testing equipment 5, and PTP message testing equipment 6 realizes program control through communication link 21,25,30,33,39 connection management machines respectively.
Be provided with intelligent frequency time signal switch 7; Intelligence frequency time signal switch 7 is connected with supervisor 8 through communication link 40; Also respectively with GPS/ Big Dipper antenna receiver 41, time and frequency standard source 1, timing pulse testing equipment 2, standard frequency testing equipment 3, IRIG-B testing equipment 4, NTP/SNTP message testing equipment 5, PTP message testing equipment 6, and time synchronism equipment to be tested 11 connects.
The program control of supervisor 8 realizes that through the test analysis hypervisor 9 that runs in the supervisor 8 test analysis hypervisor 9 also has censorship equipment information management, user/rights management, log management, the management of historical test assignment, system information statistical function.Test analysis hypervisor 9 is cores of the management of whole system information, parameter configuration, test control, data analysis and assessment.
Carry out following program control switching respectively by intelligent frequency time signal switch 7:
The gps time signal 12 that will receive as the GPS/ Big Dipper antenna receiver 41 of time signal standard source is expanded with Big Dipper time signal 13, and program control respectively time and frequency standard source 1, IRIG-B sign indicating number testing equipment 4, the NTP/SNTP message testing equipment 5 of switching to;
With the reference 1PPS time scale pulse signal 15 of time and frequency standard source 1 output, the program control timing pulse testing equipment 2 that switches to, 1PPS time scale pulse signal as a reference;
With the 10MHz frequency signal 16 of time and frequency standard source 1 output, the program control standard frequency testing equipment 3 that switches to is as the frequency reference benchmark;
The 1PPS time scale pulse signal to be tested 18 program control timing pulse testing equipments 2 that switch to time synchronism equipment to be tested 11 outputs; Test 1PPS timing pulse accuracy, rising/fall time, rising/decline pulsewidth, just/negative duty ratio, and punctual timing pulse accuracy.
With the 10MHz frequency signal to be tested 22 program control standard frequency testing equipments 3 that switch to of time synchronism equipment to be tested 11 outputs, accuracy, stability, daily fluctuation, ageing rate, the reproducibility of test 10MHz standard frequency, and start characteristic;
IRIG-B sign indicating number to be tested 26 program control said IRIG-B sign indicating number testing equipment 4, test I RIG-B sign indicating number accuracy, the error rates, and the content of understanding the IRIG-B sign indicating number of switching to time synchronism equipment to be tested 11 outputs;
Export the NTP/SNTP message 27 to be tested of time synchronism equipment to be tested 11 outputs to NTP/SNTP message testing equipment 5, test NTP/SNTP message accuracy, and understand the NTP/SNTP content of message;
Export the PTP message 34 to be tested of time synchronism equipment to be tested 11 outputs to PTP message testing equipment 6; Time synchronism equipment 11 to be tested carries out time synchronized with PTP message testing equipment through the PTP agreement; The program control timing pulse testing equipment of simultaneously PTP message testing equipment 6 being exported 2 that switches to of 1PPS time scale pulse signal; Through the 1PPS pulse accuracy that test PTP message testing equipment 6 is exported, test PTP message accuracy;
Export the serial ports message 43 to be tested of time synchronism equipment to be tested 11 outputs to supervisor 8; By the supervisor 8 of the operation test analysis hypervisor 9 NTP message 42 through 1 output of time and frequency standard source carry out accurately to the time; Test serial ports message time deviation, and understand the serial ports content of message.
GPS/ Big Dipper antenna receiver 41 is that model is the antenna receiver of DY-GABR045P00A; GPS/ Big Dipper antenna receiver 41 receives gps time signal 12 and Big Dipper time signal 13; And be entered in the intelligent frequency time signal switch 7 and amplify; And expand to multichannel; For whole system provides high precision time frequency standard signal is time frequency reference benchmark; Wherein 1 road gps time signal exports IRIG-B sign indicating number testing equipment 4 time signal sources as IRIG-B decoding apparatus 4 to, and 1 road gps time signal and 1 north of a road bucket time signal exports time synchronism equipment 11 to be tested respectively to and exports the time signal source of time and frequency standard source 1 as time and frequency standard source 1 to as satellite time reference signal 17,1 road gps time signal of time synchronism equipment 11 to be tested.
Time and frequency standard source 1 is that model is the temporal frequency a reference source of TSC4400; Time and frequency standard source 1 receives gps time signal and the Big Dipper time signal by intelligent frequency time signal switch 7 expansion outputs; Its internal clocking is tamed; Export high-precision 1PPS timing pulse and 10MHz frequency signal to intelligent frequency time signal switch 7; And expand to multichannel by 7 switchings of intelligent frequency time signal switch; As the time reference reference signal of each testing equipment, timing pulse and frequency signal are 1PPS and the 10MHz frequency reference signals that is synchronized with the UTC time, wherein; 1PPS time scale pulse signal after the switching exports the reference 1PPS time scale pulse signal of timing pulse testing equipment 2 as timing pulse testing equipment 2 to, and the 10MHz frequency signal exports the 10MHz frequency reference signal of time synchronism equipment 11 to be tested as time synchronism equipment 11 to be tested to.
The test assignment of 8 pairs of settings of supervisor is carried out buffer memory, adopts the multitask designing technique, and a plurality of different test assignments are dispatched automatically and controlled; After starting the test assignment scheduling; Assign control command according to test assignment from trend intelligence frequency time signal switch 7, carry out the switching of frequency time signal, assign instruction from the trend standard test equipment and carry out the test parameter configuration, start test; Simultaneously; Automatic collecting test data, and resolve, calculate, add up, store in the database.
Timing pulse testing equipment 2 is that model is the time-interval counter of CNT90 or CNT91.
Standard frequency testing equipment 3 is that model is the frequency marking comparison appearance of PO7D-2.
IRIG-B sign indicating number testing equipment 4 is that model is the dual star topology split-second precision Frequency tester of GCT2000.
NTP/SNTP message testing equipment 5 is that model is the dual star topology split-second precision Frequency tester of GCT2000.
PTP message testing equipment 6 is that model is the terminal tester of SHPT2000.
Intelligence frequency time signal switch 7 comprises GPS/ Big Dipper aerial signal module 46, IRIG-B sign indicating number module 47 that microprocessor module 44, program control end be connected through program control bus 51 with the output of microprocessor module 44 respectively, passes through communication control module 48,1PPS timing pulse module 49,10MHz frequency signal module 50 that communication link 40 is connected with supervisor 8 realization communications; And being connected the power module 45 that working power is provided respectively with above-mentioned module, the frequency time signal and the satellite time signal of time and frequency standard source 1, timing pulse testing equipment 2, standard frequency testing equipment 3, IRIG-B testing equipment 4, NTP/SNTP message testing equipment 5, PTP message testing equipment 6 connect, expand and switch through intelligent frequency time signal switch 7.
Whether normally time synchronism equipment 11 to be tested is provided with demonstration time source signal lamp.
Above-mentioned various testing equipment can be installed in the integrated equipment in the same frame, moves with whole with convenient test wiring; Also can be installed in the interior separate devices of casing separately, so that independent flexible Application.
The microprocessor module 44 of intelligence frequency time signal switch 7; GPIO mouth level through set MCU; The program control relay that control is relevant switches and program control RF switch break-make; Realize the control and management function of corresponding frequency time signal, frequency time signal comprises 1PPS/1PPM pulse, IRIG-B sign indicating number, and GPS/ Big Dipper aerial signal.
The GPS/ Big Dipper aerial signal module 46 of intelligence frequency time signal switch 7; Comprise successively the RF Amplifier Module that connects 53, No. six power dividers 54, six road radio frequency amplifiers 55; And ac-coupled device 56; The input 52 of RF Amplifier Module 53 is connected with GPS/ Big Dipper antenna receiver 41, is used to insert external GPS/Big Dipper aerial signal, and amplifies after No. six power dividers 54 are divided into six the tunnel.
The IRIG-B sign indicating number module 47 of intelligence frequency time signal switch 7 comprises:
The first two-way program control relay 62, the TTL/485 signal conversion module 63 that connect successively; The two-way input of the first two-way program control relay 62 is connected with the two-way output of first expansion module 58 respectively; The two-way output of TTL/485 signal conversion module 63 is respectively the output that can be joined B sign indicating number standard source by microprocessor module 44 programme controlled two path signal interface TTL/485, and the B sign indicating number can be set to TTL or the electric type of RS-485;
The second two-way program control relay 63, the electrooptic conversion module 60 that connect successively; The two-way input of the second two-way program control relay 63 is connected with the two-way output of first expansion module 58 respectively, and the two-way output of electrooptic conversion module 60 is respectively the output by microprocessor module 44 programme controlled two ways of optical signals interface B sign indicating number standard sources;
First photoelectric conversion module 61, the 3rd two-way program control relay 64 that connect successively; The input of first photoelectric conversion module 61 is connected with the optical signal interface output circuit of IRIG-B sign indicating number to be tested; The output of first photoelectric conversion module 61 is connected with one road input of the 3rd two-way program control relay 64; Another road input of the 3rd two-way program control relay 64 directly is connected with the electric signal interface output circuit of the IRIG-B sign indicating number to be tested of time synchronism equipment 11 to be tested, and the output of the 3rd two-way program control relay 64 is to be the output of B sign indicating number electric signal interface by microprocessor module 44 programme controlled one road signal-under-test outputs.
The 1PPS timing pulse module of intelligence frequency time signal switch 7 comprises:
Second photoelectric conversion module 65, the 4th two-way program control relay 67 that connect successively; The input of second photoelectric conversion module 65 is connected with 1PPS timing pulse optical signal interface output circuit to be tested; The output of second photoelectric conversion module 65 is connected with one road input of the 4th two-way program control relay 67; Another road input of the 4th two-way program control relay 67 directly is connected with 1PPS timing pulse electric signal interface output circuit to be tested, and the output of the 4th two-way program control relay 67 is the output by microprocessor module 44 programme controlled one road electric signal interfaces 1PPS time scale pulse signal to be tested.
The 1PPS timing pulse characteristic of this embodiment intelligence test time synchronism equipment and punctual method have following steps successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the 1PPS signal switching that time synchronism equipment to be tested is exported exports the timing pulse testing equipment to;
2), the timing pulse testing equipment is configured according to the parameter in the test assignment;
3) program control timing pulse testing equipment starts test, and the individual features of 1PPS timing pulse is tested, and said individual features comprises accuracy, rising/fall time, rising/decline pulsewidth, and just/negative duty ratio;
4) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
5) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
6) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
Punctual test has following steps successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the 1PPS signal switching that time synchronism equipment to be tested is exported exports the timing pulse testing equipment to;
2), the timing pulse testing equipment is configured according to the parameter in the test assignment;
3) program control timing pulse testing equipment; Start test; Losing under the situation of all time reference signals by the program control timing pulse testing equipment of test analysis hypervisor; To the punctual test of carrying out the timing pulse accuracy of 1PPS timing pulse, and the result who by the test analysis hypervisor time pulse testing equipment is tested simultaneously gathers, calculates and add up, and the result is stored in the database of supervisor;
4) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
The method of the 10MHz standard frequency characteristic of this embodiment intelligence test time synchronism equipment has following steps successively:
1) by the input signal types parameter of test analysis hypervisor according to the test item of configuration; Program-controlled intelligent frequency time signal switch, 10MHz sine wave signal, square-wave signal switching that time synchronism equipment to be tested is exported export the standard frequency testing equipment to;
2) test assignment current in the standard frequency testing equipment is checked, cancelled existing test assignment;
3), the standard frequency testing equipment is configured according to the parameter in the test assignment;
4) programmed criteria frequency test equipment starts test, and the individual features of 10MHz frequency is tested, and said individual features comprises accuracy, stability, daily fluctuation, ageing rate, reproducibility, and the start characteristic;
5) the test analysis hypervisor begins to gather in real time the result data of standard frequency testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
6) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
The method of the IRIG-B sign indicating number characteristic of this embodiment intelligence test time synchronism equipment has following steps successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the IRIG-B coded signal switching that time synchronism equipment to be tested is exported exports IRIG-B sign indicating number testing equipment to;
2), IRIG-B sign indicating number testing equipment is configured according to the parameter in the test assignment;
3) program control IRIG-B sign indicating number testing equipment starts test, and the content of IRIG-B sign indicating number is tested and understood to the individual features of IRIG-B sign indicating number, and said individual features comprises accuracy, the error rate;
4) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
5) if when Pretesting be the test of performance classes, then test data is calculated, is added up and stores; If what work as Pretesting is that the IRIG-B sign indicating number is understood test, then only a result who understands is gathered and stores;
6) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.Can browse and analyze the IRIG-B digital content that continues to understand.
The method of the NTP/SNTP message characteristic of this embodiment intelligence test time synchronism equipment has following steps successively:
1), NTP/SNTP message testing equipment is configured according to the parameter in the test assignment;
2) program control NTP/SNTP message testing equipment starts test, and the NTP/SNTP content of message is tested and understood to the individual features of NTP/SNTP message, and said individual features comprises accuracy;
3) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
4) if when Pretesting be the test of accuracy, then test data is calculated, is added up and stores; If what work as Pretesting is that the NTP/SNTP message is understood test, then only a result who understands is gathered and stores;
5) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.Can browse and analyze the NTP/SNTP message content that continues to understand.
The method of the PTP message characteristic of this embodiment intelligence test time synchronism equipment has following steps successively:
1) PTP message testing equipment is carried out dissection process to the PTP message by time synchronism equipment output to be tested, and according to the message time, adjusts its internal clocking, exports the 1PPS time scale pulse signal simultaneously;
2) the test analysis hypervisor is according to the input signal interface type parameter of test item of configuration, and program-controlled intelligent frequency time signal switch switches the 1PPS signal of PTP message testing equipment output and exports the timing pulse testing equipment to;
3), the timing pulse testing equipment is configured according to the parameter in the test assignment;
4) program control timing pulse testing equipment starts test, and the individual features of PTP message is tested, and said individual features comprises accuracy;
5) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
6) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
The method of the serial ports message characteristic of this embodiment intelligence test time synchronism equipment has following steps successively:
1) tester starts test through the test analysis management software;
2) the test analysis hypervisor receives the serial ports message of time synchronism equipment output to be tested through the supervisor serial ports;
3) the serial ports content of message is tested and understood to the test analysis hypervisor to the time deviation of serial ports message; Comprise the serial ports message original text that receives is stored; And carry out verification according to the standard serial port message format; If the message mistake is found in verification, then error message is write down in the error message file, simultaneously the time, the type of error that take place of misregistration message; Message time and administrative time are compared, and computing time, deviation and was resolved message content, in the test analysis hypervisor, showed in real time;
4) after test process continues the time of tester's setting, finish automatically;
5) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis, comprises the original text of test packet is browsed.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.Those of ordinary skill for technical field under the present invention; Under the prerequisite that does not break away from the present invention's design, make some alternative or obvious modification that are equal to; And performance or purposes are identical, all should be regarded as belonging to the scope of patent protection that the present invention is confirmed by claims of being submitted to.
Claims (10)
1. comprehensive intelligent temporal frequency test macro; Comprise receive the satellite time signal as the global position system GPS/Big Dipper antenna receiver of the time signal standard source of test, be provided with the supervisor of database and operation test analysis hypervisor; And realize program control time and frequency standard source and standard test equipment through communication link connection management machine respectively; Said standard test equipment comprises timing pulse testing equipment, standard frequency testing equipment, IRIG-B sign indicating number testing equipment, NTP/SNTP message testing equipment; And PTP message testing equipment, it is characterized in that:
Be provided with intelligent frequency time signal switch; Said intelligent frequency time signal switch is connected with said supervisor through communication link; Also respectively with GPS/ Big Dipper antenna receiver, time and frequency standard source, standard test equipment, and time synchronism equipment to be tested connects;
The program control of said supervisor realized through the test analysis hypervisor that runs in the supervisor; Said test analysis hypervisor also has censorship equipment information management, user/rights management, log management, the management of historical test assignment, system information statistical function, and said test analysis hypervisor is the core of the management of whole system information, parameter configuration, test control, data analysis and assessment;
Carry out following program control switching respectively by said intelligent frequency time signal switch:
The gps time signal and the Big Dipper time signal that will receive as the GPS/ Big Dipper antenna receiver of time signal standard source are expanded, and program control respectively said time and frequency standard source, said IRIG-B sign indicating number testing equipment, the said NTP/SNTP message testing equipment of switching to;
With the reference 1PPS time scale pulse signal of said time and frequency standard source output, the program control timing pulse testing equipment that switches to, 1PPS time scale pulse signal as a reference;
With the 10MHz frequency signal of said time and frequency standard source output, the program control standard frequency testing equipment that switches to is as the frequency reference benchmark;
Switch to said timing pulse testing equipment with the 1PPS time scale pulse signal to be tested of said time synchronism equipment to be tested output is program control; Test 1PPS timing pulse accuracy, rising/fall time, rising/decline pulsewidth, just/negative duty ratio, and punctual timing pulse accuracy;
With program control said standard frequency testing equipment, accuracy, stability, daily fluctuation, ageing rate, the reproducibility of test 10MHz standard frequency, and start characteristic of switching to of the 10MHz frequency signal to be tested of said time synchronism equipment to be tested output;
With program control said IRIG-B sign indicating number testing equipment, test I RIG-B sign indicating number accuracy, the error rate, and the content of understanding the IRIG-B sign indicating number of switching to of the IRIG-B sign indicating number to be tested of said time synchronism equipment to be tested output;
The NTP/SNTP message to be tested that said time synchronism equipment to be tested is exported exports said NTP/SNTP message testing equipment to, test NTP/SNTP message accuracy, and understand the NTP/SNTP content of message;
The PTP message to be tested that said time synchronism equipment to be tested is exported exports PTP message testing equipment to; Said time synchronism equipment to be tested and PTP message testing equipment are carried out time synchronized through the PTP agreement; The program control timing pulse testing equipment of simultaneously PTP message testing equipment being exported that switches to of 1PPS time scale pulse signal; Through the 1PPS pulse accuracy that test PTP message testing equipment is exported, test PTP message accuracy;
The serial ports message to be tested that said time synchronism equipment to be tested is exported exports supervisor to; By the supervisor of the operation test analysis hypervisor NTP message through the output of time and frequency standard source carry out accurately to the time; Test serial ports message time deviation, and understand the serial ports content of message.
2. comprehensive intelligent temporal frequency test macro as claimed in claim 1 is characterized in that:
Said intelligent frequency time signal switch; The communication control module, 1PPS timing pulse module, the 10MHz frequency signal module that comprise GPS/ Big Dipper aerial signal module that microprocessor module, program control end be connected through the program control bus with the output of microprocessor module respectively, IRIG-B sign indicating number module, be connected with supervisor realization communication through communication link; And being connected the power module that working power is provided respectively with above-mentioned module, the frequency time signal of said time and frequency standard source, various standard test equipment and satellite time signal connect, expand and switch through said intelligent frequency time signal switch.
3. according to claim 1 or claim 2 comprehensive intelligent temporal frequency test macro is characterized in that:
The microprocessor module of said intelligent frequency time signal switch; GPIO mouth level through set MCU; The program control relay that control is relevant switches and program control RF switch break-make; Realize the control and management function of corresponding frequency time signal, said frequency time signal comprises 1PPS/1PPM pulse, IRIG-B sign indicating number, and GPS/ Big Dipper aerial signal;
The GPS/ Big Dipper aerial signal module of said intelligent frequency time signal switch; Comprise the RF Amplifier Module, No. six power dividers, six road radio frequency amplifiers that connect successively; And ac-coupled device; The input of said RF Amplifier Module is connected with GPS/ Big Dipper antenna receiver, is used to insert external GPS/Big Dipper aerial signal, and amplifies after No. six power dividers are divided into six the tunnel;
The IRIG-B sign indicating number module of said intelligent frequency time signal switch comprises:
First expansion module of four tunnel outputs is arranged, and the input of said first expansion module is connected with the benchmark IRIG-B sign indicating number output circuit of said IRIG-B sign indicating number testing equipment;
The first two-way program control relay, the TTL/485 signal conversion module that connect successively; The two-way input of the said first two-way program control relay is connected with the two-way output of said first expansion module respectively; The two-way output of said TTL/485 signal conversion module is respectively the output that can be joined B sign indicating number standard source by the programme controlled two path signal interface of said microprocessor module TTL/485, and the B sign indicating number can be set to TTL or the electric type of RS-485;
The second two-way program control relay, the electrooptic conversion module that connect successively; The two-way input of the said second two-way program control relay is connected with the two-way output of said first expansion module respectively, and the two-way output of said electrooptic conversion module is respectively the output by the programme controlled two ways of optical signals interface of said microprocessor module B sign indicating number standard source;
First photoelectric conversion module, the 3rd two-way program control relay that connect successively; The input of said first photoelectric conversion module is connected with the optical signal interface output circuit of IRIG-B sign indicating number to be tested; The output of said first photoelectric conversion module is connected with one road input of said the 3rd two-way program control relay; Another road input of said the 3rd two-way program control relay directly is connected with the electric signal interface output circuit of the IRIG-B sign indicating number to be tested of time synchronism equipment to be tested, and the output of said the 3rd two-way program control relay is to be the output of B sign indicating number electric signal interface by programme controlled one road signal-under-test output of said microprocessor module;
The 1PPS timing pulse module of said intelligent frequency time signal switch comprises:
Second expansion module that four tunnel outputs are arranged; The input of said second expansion module be connected with reference to 1PPS timing pulse output circuit, four road outputs of said second expansion module are respectively can't help the output in programme controlled four road electric signal interface 1PPS timing pulse extension standards sources of said microprocessor module;
Second photoelectric conversion module, the 4th two-way program control relay that connect successively; The input of said second photoelectric conversion module is connected with 1PPS timing pulse optical signal interface output circuit to be tested; The output of said second photoelectric conversion module is connected with one road input of said the 4th two-way program control relay; Another road input of said the 4th two-way program control relay directly is connected with 1PPS timing pulse electric signal interface output circuit to be tested, and the output of said the 4th two-way program control relay is the output by programme controlled one road electric signal interface of said microprocessor module 1PPS time scale pulse signal to be tested.
4. comprehensive intelligent temporal frequency test macro as claimed in claim 3 is characterized in that:
Said GPS/ Big Dipper antenna receiver is that model is the antenna receiver of DY-GABR045P00A;
Said time and frequency standard source is that model is the temporal frequency a reference source of TSC4400;
Said supervisor is a PC;
Said timing pulse testing equipment is that model is the time-interval counter of CNT90 or CNT91;
Said standard frequency testing equipment is that model is the frequency marking comparison appearance of PO7D-2;
Said IRIG-B sign indicating number testing equipment is that model is the dual star topology split-second precision Frequency tester of GCT2000;
Said NTP/SNTP message testing equipment is that model is the dual star topology split-second precision Frequency tester of GCT2000;
Said PTP message testing equipment is that model is the terminal tester of SHPT2000.
5. the 1PPS timing pulse characteristic and the punctual method of testing of the time synchronism equipment of any one comprehensive intelligent temporal frequency test macro in employing such as the claim 1 to 4; Supervisor operation test analysis hypervisor in the said Intelligentized test system; Through communication link program-controlled intelligent frequency time signal switch and 1PPS timing pulse testing equipment, it is characterized in that respectively:
1PPS timing pulse characteristic test has following steps successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the 1PPS signal switching that time synchronism equipment to be tested is exported exports the timing pulse testing equipment to;
2), the timing pulse testing equipment is configured according to the parameter in the test assignment;
3) program control timing pulse testing equipment starts test, and the individual features of 1PPS timing pulse is tested, and said individual features comprises accuracy, rising/fall time, rising/decline pulsewidth, and just/negative duty ratio;
4) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
5) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
6) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis;
Punctual test has following steps successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the 1PPS signal switching that time synchronism equipment to be tested is exported exports the timing pulse testing equipment to;
2), the timing pulse testing equipment is configured according to the parameter in the test assignment;
3) program control timing pulse testing equipment; Start test; Losing under the situation of all time reference signals by the program control timing pulse testing equipment of test analysis hypervisor; To the punctual test of carrying out the timing pulse accuracy of 1PPS timing pulse, and the result who by the test analysis hypervisor time pulse testing equipment is tested simultaneously gathers, calculates and add up, and the result is stored in the database of supervisor;
4) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
6. the 10MHz standard frequency characteristic test method of the time synchronism equipment of any one comprehensive intelligent temporal frequency test macro in employing such as the claim 1 to 4; Supervisor operation test analysis hypervisor in the said Intelligentized test system; Through communication link program-controlled intelligent frequency time signal switch and 10MHz standard frequency testing equipment, it is characterized in that respectively:
Following steps are arranged successively:
1) by the input signal types parameter of test analysis hypervisor according to the test item of configuration; Program-controlled intelligent frequency time signal switch, 10MHz sine wave signal, square-wave signal switching that time synchronism equipment to be tested is exported export the standard frequency testing equipment to;
2) test assignment current in the standard frequency testing equipment is checked, cancelled existing test assignment;
3), the standard frequency testing equipment is configured according to the parameter in the test assignment;
4) programmed criteria frequency test equipment starts test, and the individual features of 10MHz frequency is tested, and said individual features comprises accuracy, stability, daily fluctuation, ageing rate, reproducibility, and the start characteristic;
5) the test analysis hypervisor begins to gather in real time the result data of standard frequency testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
6) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
7. the IRIG-B sign indicating number characteristic test method of the time synchronism equipment of any one comprehensive intelligent temporal frequency test macro in employing such as the claim 1 to 4; Supervisor operation test analysis hypervisor in the said Intelligentized test system; Through communication link program-controlled intelligent frequency time signal switch and IRIG-B sign indicating number testing equipment, it is characterized in that respectively:
Following steps are arranged successively:
1) by the input signal interface type parameter of test analysis hypervisor according to the test item of configuration, program-controlled intelligent frequency time signal switch, the IRIG-B coded signal switching that time synchronism equipment to be tested is exported exports IRIG-B sign indicating number testing equipment to;
2), IRIG-B sign indicating number testing equipment is configured according to the parameter in the test assignment;
3) program control IRIG-B sign indicating number testing equipment starts test, and the content of IRIG-B sign indicating number is tested and understood to the individual features of IRIG-B sign indicating number, and said individual features comprises accuracy, the error rate;
4) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
5) if when Pretesting be the test of performance classes, then test data is calculated, is added up and stores; If what work as Pretesting is that the IRIG-B sign indicating number is understood test, then only a result who understands is gathered and stores;
6) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.Can browse and analyze the IRIG-B digital content that continues to understand.
8. the NTP/SNTP message characteristic test method of the time synchronism equipment of any one comprehensive intelligent temporal frequency test macro in employing such as the claim 1 to 4; Supervisor operation test analysis hypervisor in the said Intelligentized test system; Through communication link program-controlled intelligent frequency time signal switch and INTP/SNTP message testing equipment, it is characterized in that respectively:
Following steps are arranged successively:
1), NTP/SNTP message testing equipment is configured according to the parameter in the test assignment;
2) program control NTP/SNTP message testing equipment starts test, and the NTP/SNTP content of message is tested and understood to the individual features of NTP/SNTP message, and said individual features comprises accuracy;
3) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
4) if when Pretesting be the test of accuracy, then test data is calculated, is added up and stores; If what work as Pretesting is that the NTP/SNTP message is understood test, then only a result who understands is gathered and stores;
5) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.Can browse and analyze the NTP/SNTP message content that continues to understand.
9. the PTP message characteristic test method of the time synchronism equipment of any one comprehensive intelligent temporal frequency test macro in employing such as the claim 1 to 4; Supervisor operation test analysis hypervisor in the said Intelligentized test system; Through communication link program-controlled intelligent frequency time signal switch and PTP message testing equipment, it is characterized in that respectively:
Following steps are arranged successively:
1) PTP message testing equipment is carried out dissection process to the PTP message by time synchronism equipment output to be tested, and according to the message time, adjusts its internal clocking, exports the 1PPS time scale pulse signal simultaneously;
2) the test analysis hypervisor is according to the input signal interface type parameter of test item of configuration, and program-controlled intelligent frequency time signal switch switches the 1PPS signal of PTP message testing equipment output and exports the timing pulse testing equipment to;
3), the timing pulse testing equipment is configured according to the parameter in the test assignment;
4) program control timing pulse testing equipment starts test, and the individual features of PTP message is tested, and said individual features comprises accuracy;
5) the test analysis hypervisor begins to gather in real time the result data of timing pulse testing equipment test, up to EOT, the test data of being gathered is stored in supervisor;
6) according to the test data of gathering, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis; Comprise that maximum, minimum value, mean value, peak-to-peak value, standard deviation, Allan variance to the test result initial data carry out statistical computation; Browse the test data curve, and test data exported in the external electrical document store and secondary analysis.
10. the serial ports message characteristic test method of the time synchronism equipment of any one comprehensive intelligent temporal frequency test macro in employing such as the claim 1 to 4; Supervisor operation test analysis hypervisor in the said Intelligentized test system; Through communication link program-controlled intelligent frequency time signal switch, it is characterized in that:
Following steps are arranged successively:
1) tester starts test through the test analysis management software;
2) the test analysis hypervisor receives the serial ports message of time synchronism equipment output to be tested through the supervisor serial ports;
3) the serial ports content of message is tested and understood to the test analysis hypervisor to the time deviation of serial ports message; Comprise the serial ports message original text that receives is stored; And carry out verification according to the standard serial port message format; If the message mistake is found in verification, then error message is write down in the error message file, simultaneously the time, the type of error that take place of misregistration message; Message time and administrative time are compared, and computing time, deviation and was resolved message content, in the test analysis hypervisor, showed in real time;
4) after test process continues the time of tester's setting, finish automatically;
5) browsing data and analysis
Said browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in the supervisor through the test analysis hypervisor by the tester with analysis, comprises the original text of test packet is browsed.
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Inventor after: Liu Peng Inventor after: Bai Jiangtao Inventor after: Ning Wenhui Inventor after: Wei Heng Inventor after: Han Bing Inventor after: Zhou Wei Inventor after: Liu Lu Inventor after: Zhou Ke Inventor after: Liu Wei Inventor after: Kong Xiangbing Inventor before: Liu Peng Inventor before: Zhang Jinyu Inventor before: Ning Wenhui Inventor before: Wei Heng Inventor before: Han Bing Inventor before: Zhou Wei Inventor before: Zhou Ke Inventor before: Liu Lu Inventor before: Kong Xiangbing Inventor before: Bai Jiangtao |
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