CN102593955B - 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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- CN102593955B CN102593955B CN201210055292.XA CN201210055292A CN102593955B CN 102593955 B CN102593955 B CN 102593955B CN 201210055292 A CN201210055292 A CN 201210055292A CN 102593955 B CN102593955 B CN 102593955B
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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 time synchronized and temporal frequency test, particularly relate to a kind of comprehensive intelligent time frequency test macro and method of testing.
Background technology
Unified, precise time is the unique effective scale carried out across space administration of power networks and data analysis, is also unique effective assurance that electrical network normally moved, effectively carried out administration of power networks and data analysis.Guarantee performance and the accuracy of time synchronism equipment, must be tested it and verify by high-precision test macro.Existing temporal frequency testing equipment kind is more, measuring accuracy and performance are different, integrated management and analysis ability a little less than, and function singleness, frequency time signal that can only be single to certain carries out performance test, 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 automatically carry out data acquisition and storage, can not carry out specific temporal frequency business function intelligent test, can not carry out comprehensive high precision measurement to tested time synchronism equipment, can not carry out analysis-by-synthesis and evaluation to service feature and the function of tested time synchronism equipment.
Summary of the invention
A technical problem to be solved by this invention is the defect made up in above-mentioned existing temporal frequency measuring technology and method, and a kind of comprehensive intelligent time frequency test macro is provided.
Another technical problem to be solved by this invention is the defect made up in above-mentioned existing temporal frequency measuring technology and method, and a kind of comprehensive intelligent time frequency method of testing is provided.
Comprehensive intelligent time frequency test macro technical problem of the present invention is solved by the following technical programs.
This comprehensive intelligent time 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)/the Beidou 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 by communication link connection management machine respectively, described standard test equipment comprises the timing pulse testing equipment, the standard frequency testing equipment, international target range instrument group (Inter Range Instrumentation Group, initialism is IRIG)-code (hereinafter to be referred as a IRIG-B code) testing equipment asked during B, NTP (Network Time Protocol) (Network Time Procotol, initialism is NTP) message/SNTP (Simple Network Time Protocol, initialism is SNTP) the message testing equipment, and accurate time synchronization protocol (Precision Time Synchronization Protocol, initialism is PTP) the message testing equipment.
The characteristics of this comprehensive intelligent time frequency test macro are:
Be provided with Intelligent time frequency signal switcher, described Intelligent time frequency signal switcher is connected with described supervisor by communication link, also respectively with GPS/ Beidou antenna receiver, time and frequency standard source, standard test equipment, and tested time synchronism equipment connects.
The program control of described supervisor realize by running on test analysis hypervisor in supervisor, and described test analysis hypervisor also has the functions such as censorship equipment information management, user/rights management, log management, the management of historical test assignment, system information statistics.Described test analysis hypervisor is the core of the management of whole system information/data, parameter configuration, test control, data analysis and assessment.
Carry out respectively following program control switching by described Intelligent time frequency signal switcher:
Gps time signal and the Big Dipper time signal that will receive as the GPS/ Beidou antenna receiver of time signal standard source are expanded, and program control described time and frequency standard source, described IRIG-B code testing equipment, the described NTP/SNTP message testing equipment of switching to respectively;
By the reference 1PPS time scale pulse signal of described time and frequency standard source output, the program control timing pulse testing equipment that switches to, as reference 1PPS time scale pulse signal;
By the 10MHz frequency signal of described time and frequency standard source output, the program control standard frequency testing equipment that switches to, as the frequency reference benchmark;
Switch to described timing pulse testing equipment by the tested 1PPS time scale pulse signal of described tested time synchronism equipment output is program control, test 1PPS timing pulse accuracy, rise/fall time, rise/fall pulsewidth, just/negative duty, and punctual timing pulse accuracy.
Program control described 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 tested 10MHz frequency signal that described tested time synchronism equipment is exported;
Switch to described IRIG-B code testing equipment, test I RIG-B code accuracy, the error rate, and the content of understanding the IRIG-B code by the tested IRIG-B code of described tested time synchronism equipment output is program control:
The tested NTP/SNTP message that described tested time synchronism equipment is exported exports described NTP/SNTP message testing equipment to, test NTP/SNTP message accuracy, and the content of understanding the NTP/SNTP message;
The tested PTP message that described tested time synchronism equipment is exported exports PTP message testing equipment to, described tested time synchronism equipment and PTP message testing equipment are carried out time synchronized by the PTP agreement, the program control timing pulse testing equipment that switches to of the 1PPS time scale pulse signal of simultaneously PTP message testing equipment being exported, the 1PPS pulse accuracy of exporting by test PTP message testing equipment, test PTP message accuracy;
The tested serial ports message that described tested time synchronism equipment is exported exports supervisor to, NTP message by the supervisor of operation test analysis hypervisor by the output of time and frequency standard source carry out accurately to the time, test serial ports message time deviation, and the content of understanding the serial ports message.
Comprehensive Intelligent time frequency testing system technical problem of the present invention is solved by following further technical scheme.
Described GPS/ Beidou antenna receiver is the antenna receiver that model is DY-GABR045P00A, described GPS/ Beidou antenna receiver receives gps time signal and Big Dipper time signal, and be entered in Intelligent time frequency signal switcher and amplified, and expand to multichannel, for whole system provides high-precision time and frequency standard signal, it is time frequency reference benchmark, wherein 1 road gps time signal exports the time signal source of IRIG-B code time signal testing equipment as IRIG-B code time signal equipment to, 1 road gps time signal and 1 north of a road bucket time signal export respectively the satellite time reference signal of tested time synchronism equipment as tested time synchronism equipment to, 1 road gps time signal exports the time signal source of time and frequency standard source as the time and frequency standard source to.
Described time and frequency standard source is the temporal frequency a reference source that model is TSC4400, described time and frequency standard source receives gps time signal and the Big Dipper time signal by Intelligent time frequency signal switcher expansion output, its internal clocking is tamed, export high-precision 1PPS timing pulse and 10MHz frequency signal to Intelligent time frequency signal switcher, and be multichannel by the Intelligent time frequency signal switcher connection expanding, time reference reference signal as each testing equipment, described 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 switching exports the reference 1PPS time scale pulse signal of timing pulse testing equipment as the timing pulse testing equipment to, the 10MHz frequency signal exports the 10MHz frequency reference signal of tested time synchronism equipment as tested time synchronism equipment to.
Described supervisor is PC.
Described supervisor realizes that by described test analysis hypervisor test control, test assignment configuration, test assignment Automatic dispatching, the test data of the switching controls of Intelligent time frequency signal switcher, various standard test equipment gather automatically, and test data storage/retrieval and analysis-by-synthesis, with performance and the function to tested time synchronism equipment fully and effectively, tested, support multi-signal to test, test process is accurate, simple and direct, convenient, intelligent simultaneously.
Described supervisor carries out buffer memory to the test assignment of setting, adopt the multitask design technology, a plurality of different test assignments are carried out to Automatic dispatching and control, after starting the test assignment scheduling, assign control command according to test assignment from the trend Intelligent time frequency signal switcher, carry out the switching of frequency time signal, assigning instruction from the trend standard test equipment carries out the test parameter configuration, starts test, simultaneously, automatic collecting test data, and resolved, calculate, add up, store in database.
Described supervisor can be tested multiple different tested frequency time signal simultaneously, can to the task of testing, be stopped at any time, can equity test assignment to be tested be deleted.
Described supervisor adopts the integrated management of database technique system information and test data, the described integrated management to test data comprise test data retrieval, browse, analyze, derive, and the integrated management of test report.
Described timing pulse testing equipment is the time-interval counter that model is CNT90 or CNT91.
Described standard frequency testing equipment is the Frequency Standard Comparison instrument that model is PO7D-2.
Described IRIG-B code testing equipment is the dual star topology split-second precision Frequency tester that model is GCT2000.
Described NTP/SNTP message testing equipment is the dual star topology split-second precision Frequency tester that model is GCT2000.
Described PTP message testing equipment is the terminal tester that model is SHPT2000.
Described Intelligent time frequency signal switcher, comprise microprocessor module, the GPS/ Beidou antenna signaling module that the program control end is connected by the program control bus with the output of microprocessor module respectively, IRIG-B code module, realize by communication link and supervisor the communication control module that communication is connected, 1PPS timing pulse module, 10MHz frequency signal module, and be connected respectively with above-mentioned module the power module that working power is provided, described time and frequency standard source, the frequency time signal of various standard test equipment and satellite time signal are connected by described Intelligent time frequency signal switcher, expansion and switching.
Described tested time synchronism equipment is provided with the whether normal time source signal lamp of demonstration.
The various testing equipments of native system are mounted in the integrated equipment in same frame, to facilitate test wiring and integrated moving.
The various testing equipments of native system are mounted in the interior separate devices of casing separately, so that independent flexible Application.
Comprehensive intelligent time frequency test macro technical problem of the present invention is solved by following further technical scheme.
The microprocessor module of described Intelligent time frequency signal switcher, GPIO mouth level by set MCU, control relevant program control relay switch and program control radio-frequency (RF) switch break-make, realize the control and management function of corresponding frequency time signal, described frequency time signal comprises 1PPS/1PPM pulse, IRIG-B code, and GPS/ Beidou antenna signal.
The GPS/ Beidou antenna signaling module of described Intelligent time frequency signal switcher, comprise the RF Amplifier Module, No. six power dividers, the six road radio frequency amplifiers that connect successively, and ac-coupled device, the input of described RF Amplifier Module is connected with GPS/ Beidou antenna receiver, for accessing external GPS/Beidou antenna signal, and amplification is divided into six tunnels by No. six power dividers.
The IRIG-B code module of described Intelligent time frequency signal switcher comprises:
The first expansion module of four tunnel outputs is arranged, and the input of described the first expansion module is connected with the benchmark IRIG-B code output circuit of described IRIG-B code testing equipment;
The the first two-way program control relay, the TTL/485 signal conversion module that connect successively, the two-way input of described the first two-way program control relay is connected with the two-way output of described the first expansion module respectively, the two-way output of described TTL/485 signal conversion module is respectively the output that can be joined B code standard source by the programme controlled two path signal interface of described microprocessor module TTL/485, and the B code can be set to TTL or the electric type of RS-485;
The the second two-way program control relay, the electrooptic conversion module that connect successively, the two-way input of described the second two-way program control relay is connected with the two-way output of described the first expansion module respectively, and the two-way output of described electrooptic conversion module is respectively the output by the programme controlled two ways of optical signals interface of described microprocessor module B code standard source;
The first photoelectric conversion module connected successively, the 3rd two-way program control relay, the input of described the first photoelectric conversion module is connected with the optical signal interface output circuit of tested IRIG-B code, the output of described the first photoelectric conversion module is connected with a road input of described the 3rd two-way program control relay, the electric signal interface output circuit of the tested IRIG-B code of the time synchronism equipment that another road input of described the 3rd two-way program control relay is direct and tested is connected, the output of described the 3rd two-way program control relay is is the output of B code electric signal interface by the programme controlled road signal-under-test output of described microprocessor module.
The 1PPS timing pulse module of described Intelligent time frequency signal switcher comprises:
The second expansion module that four tunnel outputs are arranged, the input of described the second expansion module with reference to 1PPS timing pulse output circuit, be connected, four road outputs of described the second expansion module are respectively the output by the programme controlled four electric signal interface 1PPS timing pulse extension standards sources, road of described microprocessor module;
The second photoelectric conversion module connected successively, the 4th two-way program control relay, the input of described the second photoelectric conversion module is connected with tested 1PPS timing pulse optical signal interface output circuit, the output of described the second photoelectric conversion module is connected with a road input of described the 4th two-way program control relay, another road input of described the 4th two-way program control relay directly is connected with tested 1PPS timing pulse electric signal interface output circuit, the output of described the 4th two-way program control relay is the output by the tested 1PPS time scale pulse signal of the programme controlled road electric signal interface of described microprocessor module.
Comprehensive intelligent time frequency method of testing technical problem of the present invention is solved by 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 time frequency test macro, supervisor operation test analysis hypervisor in described Intelligentized test system, respectively by communication link program-controlled intelligent time frequency signal switcher and 1PPS timing pulse testing equipment.
A kind of 1PPS timing pulse characteristic of the time synchronism equipment that adopts above-mentioned comprehensive intelligent time frequency test macro and the characteristics of punctual method of testing are:
1PPS timing pulse characteristic test has following steps successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of tested time synchronism equipment output to the timing pulse testing equipment;
2), according to the parameter in test assignment, the timing pulse testing equipment is configured;
3) program control timing pulse testing equipment, start test, and the individual features of 1PPS timing pulse is tested, and described individual features comprises accuracy, rise/fall time, rise/fall pulsewidth, and just/negative duty;
4) the test analysis hypervisor starts the result data of Real-time Collection timing pulse testing equipment test, until test finishes, gathered test data is stored in supervisor;
5) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
6) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
Punctual test has following steps successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of tested time synchronism equipment output to the timing pulse testing equipment;
2), according to the parameter in test assignment, the timing pulse testing equipment is configured;
3) program control timing pulse testing equipment, start test, in the situation that lose all time reference signals by the program control timing pulse testing equipment of test analysis hypervisor, the punctual test of carrying out the timing pulse accuracy to the 1PPS timing pulse, and the result of simultaneously by the test analysis hypervisor, the timing pulse testing equipment being tested gathered, calculated and added up, by result store in the database of supervisor;
4) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
A kind of 10MHz standard frequency characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent time frequency test macro, supervisor operation test analysis hypervisor in described Intelligentized test system, respectively by communication link program-controlled intelligent time frequency signal switcher 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 time frequency test macro are:
Following steps are arranged successively:
1) the input signal types parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 10MHz sine wave signal of tested time synchronism equipment output, square-wave signal switching to the standard frequency testing equipment;
2) test assignment current in the standard frequency testing equipment is checked, cancelled existing test assignment;
3), according to the parameter in test assignment, the standard frequency testing equipment is configured;
4) programmed criteria frequency test equipment, start test, and the individual features of 10MHz frequency is tested, and described individual features comprises accuracy, stability, daily fluctuation, ageing rate, reproducibility, and the start characteristic;
5) the test analysis hypervisor starts the result data of Real-time Collection standard frequency testing equipment test, until test finishes, gathered test data is stored in supervisor;
6) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
A kind of IRIG-B code characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent time frequency test macro, supervisor operation test analysis hypervisor in described Intelligentized test system, respectively by communication link program-controlled intelligent time frequency signal switcher and IRIG-B code testing equipment.
A kind of characteristics of IRIG-B code characteristic test method of the time synchronism equipment that adopts above-mentioned comprehensive intelligent time frequency test macro are:
Following steps are arranged successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the IRIG-B coded signal switching of tested time synchronism equipment output to IRIG-B code testing equipment;
2), according to the parameter in test assignment, IRIG-B code testing equipment is configured;
3) program control IRIG-B code testing equipment, start test, the individual features of IRIG-B code tested and understood to the content of IRIG-B code, and described individual features comprises accuracy, the error rate;
4) the test analysis hypervisor starts the result data of Real-time Collection IRIG-B code testing equipment test, until test finishes, gathered test data is stored in supervisor;
5) if current test be the test of performance class, test data is calculated, is added up and stored; If current test is that the IRIG-B code is understood test, only the result of understanding is gathered and stored;
6) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis, can be browsed and be analyzed 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 time frequency test macro, supervisor operation test analysis hypervisor in described Intelligentized test system, respectively by communication link program-controlled intelligent time frequency signal switcher 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 time frequency test macro are:
Following steps are arranged successively:
1), according to the parameter in test assignment, NTP/SNTP message testing equipment is configured;
2) program control NTP/SNTP message testing equipment, start test, the individual features of NTP/SNTP message tested and understood to the content of NTP/SNTP message, and described individual features comprises accuracy;
3) the test analysis hypervisor starts the result data of Real-time Collection NTP/SNTP message testing equipment test, until test finishes, gathered test data is stored in supervisor;
4) if current test be the test of accuracy, test data is calculated, is added up and stored; If current test is the test of NTP/SNTP Message Interpretation, only the result of understanding is gathered and stored;
5) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis, can be browsed and be analyzed 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 time frequency test macro, supervisor operation test analysis hypervisor in described Intelligentized test system, respectively by communication link program-controlled intelligent time frequency signal switcher 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 time frequency test macro are:
Following steps are arranged successively:
1) PTP message testing equipment is carried out dissection process to the PTP message of the output of the time synchronism equipment by 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 the test item of configuration, and the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of PTP message testing equipment output to the timing pulse testing equipment;
3), according to the parameter in test assignment, PTP message testing equipment is configured;
4) program control PTP message testing equipment, start test, and the individual features of PTP message is tested, and described individual features comprises accuracy;
5) the test analysis hypervisor starts the result data of Real-time Collection PTP message testing equipment test, until test finishes, gathered test data is stored in supervisor;
6) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
A kind of serial ports message characteristic test method that adopts the time synchronism equipment of above-mentioned comprehensive intelligent time frequency test macro, supervisor operation test analysis hypervisor in described Intelligentized test system, by communication link program-controlled intelligent time frequency signal switcher.
A kind of characteristics of serial ports message characteristic test method of the time synchronism equipment that adopts above-mentioned comprehensive intelligent time frequency test macro are:
Following steps are arranged successively:
1) tester, by the test analysis management software, starts test;
2) the test analysis hypervisor receives the serial ports message of tested time synchronism equipment output by the supervisor serial ports;
3) the test analysis hypervisor is tested and is understood the content of serial ports message to the time deviation of serial ports message, comprise that the serial ports message original text to receiving is stored, and carry out verification according to the standard serial port message format, if the message mistake is found in verification, error message is recorded in the error message file to the misregistration message occurs simultaneously time, type of error; Message time and administrative time are contrasted, and computing time, deviation, and resolved message content, in the test analysis hypervisor, shows in real time;
4), after the time of test process continuance test personnel setting, automatically finish;
5) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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:
By running on test analysis hypervisor in supervisor to various standard test equipment, Intelligent time frequency signal switcher carries out program control, make various standard test equipment, organic cooperation between Intelligent time frequency signal switcher, can be in the situation that need not manual intervention, easy and effectively tested time synchronism equipment is carried out to effective intelligent comprehensive test, conscientiously improve the intellectuality of time synchronism equipment complicated business function and performance test, standardization, the systematization level, test performance is more accurate, testing efficiency is higher, testing time shortens greatly, realized the test process intellectuality, standardization, the signal switching, data acquisition, resolve, calculate, statistics, the storage automation, adopt database technology to carry out the integrated management of system information and test data, the data management specialization, data retrieval and analysis are very convenient.Can greatly save the human cost of test, maximizedly reduce the error that manual test causes.After having tested, can generate test report according to test data, conveniently temporal frequency service feature and the function of tested time synchronism equipment be carried out to objective evaluation.Can be widely used in the temporal frequency synthesization test and analysis of the time synchronism equipment in the fields such as electric power, telecommunications, also can be used as the platform of temporal frequency technical research.
The accompanying drawing explanation
Fig. 1 is the compositional block diagram of the test macro of the specific embodiment of the invention;
Fig. 2 is the compositional block diagram of the Intelligent time frequency signal switcher in Fig. 1;
Fig. 3 is the compositional block diagram of the GPS/ Beidou antenna signaling module of Fig. 2;
Fig. 4 is the compositional block diagram of the IRIG-B code module of Fig. 2;
Fig. 5 is the compositional block diagram of the 1PPS timing pulse module of Fig. 2;
Fig. 6 is the compositional 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 time frequency test macro as shown in Fig. 1～6, comprise receive the satellite time signal as the GPS/ Beidou 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 by communication link 21,25,30,33,39 connection management machines respectively.
Be provided with Intelligent time frequency signal switcher 7, Intelligent time frequency signal switcher 7 is connected with supervisor 8 by communication link 40, also respectively with GPS/ Beidou 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 tested time synchronism equipment 11 connects.
The program control of supervisor 8 realize by running on test analysis hypervisor in supervisor 89, and 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/data, parameter configuration, test control, data analysis and assessment.
Carry out respectively following program control switching by Intelligent time frequency signal switcher 7:
By 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, as reference 1PPS time scale pulse signal;
By the 10MHz frequency signal 16 of time and frequency standard source 1 output, the program control standard frequency testing equipment 3 that switches to, as the frequency reference benchmark;
The program control timing pulse testing equipment 2 that switches to of tested 1PPS time scale pulse signal 18 by 11 outputs of tested time synchronism equipment, test 1PPS timing pulse accuracy, rise/fall time, rise/fall pulsewidth, just/negative duty, and punctual timing pulse accuracy.
By the program control standard frequency testing equipment 3 that switches to of tested 10MHz frequency signal 22 of tested time synchronism equipment 11 outputs, accuracy, stability, daily fluctuation, ageing rate, the reproducibility of test 10MHz standard frequency, and start characteristic;
By program control described IRIG-B code testing equipment 4, test I RIG-B code accuracy, the error rate, and the content of understanding the IRIG-B code of switching to of the tested IRIG-B code 26 of tested time synchronism equipment 11 outputs;
Export the tested NTP/SNTP message 27 of tested time synchronism equipment 11 outputs to NTP/SNTP message testing equipment 5, test NTP/SNTP message accuracy, and the content of understanding the NTP/SNTP message;
Export the tested PTP message 34 of tested time synchronism equipment 11 outputs to PTP message testing equipment 6, tested time synchronism equipment 11 carries out time synchronized with PTP message testing equipment by the PTP agreement, the program control timing pulse testing equipment 2 that switches to of the 1PPS time scale pulse signal of simultaneously PTP message testing equipment 6 being exported, the 1PPS pulse accuracy of exporting by test PTP message testing equipment 6, test PTP message accuracy;
Export the tested serial ports message 43 of tested time synchronism equipment 11 outputs to supervisor 8, NTP message 42 by the supervisor 8 of operation test analysis hypervisor 9 by 1 output of time and frequency standard source carry out accurately to the time, test serial ports message time deviation, and the content of understanding the serial ports message.
GPS/ Beidou antenna receiver 41 is antenna receivers that model is DY-GABR045P00A, GPS/ Beidou antenna receiver 41 receives gps time signal 12 and Big Dipper time signal 13, and be entered in Intelligent time frequency signal switcher 7 and amplified, and expand to multichannel, for whole system provides high-precision time and frequency standard signal, it is time frequency reference benchmark, wherein 1 road gps time signal exports IRIG-B code testing equipment 4 time signal sources as IRIG-B decoding apparatus 4 to, 1 road gps time signal and 1 north of a road bucket time signal export respectively the satellite time reference signal 17 of tested time synchronism equipment 11 as tested time synchronism equipment 11 to, 1 road gps time signal exports the time signal source of time and frequency standard source 1 as time and frequency standard source 1 to.
Time and frequency standard source 1 is the temporal frequency a reference source that model is TSC4400, time and frequency standard source 1 receives gps time signal and the Big Dipper time signal by Intelligent time frequency signal switcher 7 expansion outputs, its internal clocking is tamed, export high-precision 1PPS timing pulse and 10MHz frequency signal to Intelligent time frequency signal switcher 7, and be multichannel by Intelligent time frequency signal switcher 7 connection expandings, time reference reference signal as 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 switching exports the reference 1PPS time scale pulse signal of timing pulse testing equipment 2 as timing pulse testing equipment 2 to, the 10MHz frequency signal exports the 10MHz frequency reference signal of tested time synchronism equipment 11 as tested time synchronism equipment 11 to.
The test assignment of 8 pairs of settings of supervisor is carried out buffer memory, adopt the multitask design technology, a plurality of different test assignments are carried out to Automatic dispatching and control, after starting the test assignment scheduling, assign control command according to test assignment from trend Intelligent time frequency signal switcher 7, carry out the switching of frequency time signal, assigning instruction from the trend standard test equipment carries out the test parameter configuration, starts test, simultaneously, automatic collecting test data, and resolved, calculate, add up, store in database.
Timing pulse testing equipment 2 is time-interval counters that model is CNT90 or CNT91.
Standard frequency testing equipment 3 is Frequency Standard Comparison instrument that model is P07D-2.
IRIG-B code testing equipment 4 is dual star topology split-second precision Frequency testers that model is GCT2000.
NTP/SNTP message testing equipment 5 is dual star topology split-second precision Frequency testers that model is GCT2000.
PTP message testing equipment 6 is terminal testers that model is SHPT2000.
Intelligent time frequency signal switcher 7 comprises microprocessor module 44, the GPS/ Beidou antenna signaling module 46 that the program control end is connected by program control bus 51 with the output of microprocessor module 44 respectively, IRIG-B code module 47, realize by communication link 40 and supervisor 8 communication control module 48 that communication is connected, 1PPS timing pulse module 49, 10MHz frequency signal module 50, and be connected respectively with above-mentioned module the power module 45 that working power is provided, 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, frequency time signal and the satellite time signal of PTP message testing equipment 6 are connected by Intelligent time frequency signal switcher 7, expansion and switching.
Tested time synchronism equipment 11 is provided with the whether normal time source signal lamp of demonstration.
Above-mentioned various testing equipment can be arranged on the integrated equipment in same frame, to facilitate test wiring and integrated moving; Also can be arranged on the interior separate devices of casing separately, so that independent flexible Application.
The microprocessor module 44 of Intelligent time frequency signal switcher 7, GPIO mouth level by set MCU, control relevant program control relay switch and program control radio-frequency (RF) switch break-make, realize the control and management function of corresponding frequency time signal, frequency time signal comprises 1PPS/1PPM pulse, IRIG-B code, and GPS/ Beidou antenna signal.
The GPS/ Beidou antenna signaling module 46 of Intelligent time frequency signal switcher 7, comprise the RF Amplifier Module 53, No. six power divider 54, six road radio frequency amplifiers 55 that connect successively, and ac-coupled device 56, the input 52 of RF Amplifier Module 53 is connected with GPS/ Beidou antenna receiver 41, for accessing external GPS/Beidou antenna signal, and amplification is divided into six tunnels by No. six power dividers 54.
The IRIG-B code module 47 of Intelligent time frequency signal switcher 7 comprises:
The first expansion module 58 of four tunnel outputs is arranged, and its input is connected with the benchmark IRIG-B code output circuit of IRIG-B code testing equipment 4;
The 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 the 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 code standard source by the programme controlled two path signal interface of microprocessor module 44 TTL/485, and the B code can be set to TTL or the electric type of RS-485;
The 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 the first expansion module 58 respectively, and the two-way output of electrooptic conversion module 60 is respectively the output by the programme controlled two ways of optical signals interface of microprocessor module 44 B code standard source;
The first photoelectric conversion module 61 connected successively, the 3rd two-way program control relay 64, the input of the first photoelectric conversion module 61 is connected with the optical signal interface output circuit of tested IRIG-B code, the output of the first photoelectric conversion module 61 is connected with the 3rd two-way program control relay 64 mono-road input, the electric signal interface output circuit of the tested IRIG-B code of the time synchronism equipment 11 that another road input of the 3rd two-way program control relay 64 is direct and tested is connected, the output of the 3rd two-way program control relay 64 is is the output of B code electric signal interface by the programme controlled road signal-under-test output of microprocessor module 44.
The 1PPS timing pulse module of Intelligent time frequency signal switcher 7 comprises:
The second expansion module 66 that four tunnel outputs are arranged, its input 49 with reference to 1PPS timing pulse output circuit, be connected, the second expansion module 66 tetra-road outputs are respectively the output by the programme controlled four electric signal interface 1PPS timing pulse extension standards sources, road of microprocessor module 44;
The second photoelectric conversion module 65 connected successively, the 4th two-way program control relay 67, the input of the second photoelectric conversion module 65 is connected with tested 1PPS timing pulse optical signal interface output circuit, the output of the second photoelectric conversion module 65 is connected with the 4th two-way program control relay 67 mono-road input, another road input of the 4th two-way program control relay 67 directly is connected with tested 1PPS timing pulse electric signal interface output circuit, the output of the 4th two-way program control relay 67 is the output by the tested 1PPS time scale pulse signal of the programme controlled road electric signal interface of microprocessor module 44.
The 1PPS timing pulse characteristic of this embodiment intelligence test time synchronism equipment and punctual method have following steps successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of tested time synchronism equipment output to the timing pulse testing equipment;
2), according to the parameter in test assignment, the timing pulse testing equipment is configured;
3) program control timing pulse testing equipment, start test, and the individual features of 1PPS timing pulse is tested, and described individual features comprises accuracy, rise/fall time, rise/fall pulsewidth, and just/negative duty;
4) the test analysis hypervisor starts the result data of Real-time Collection timing pulse testing equipment test, until test finishes, gathered test data is stored in supervisor;
5) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
6) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
Punctual test has following steps successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of tested time synchronism equipment output to the timing pulse testing equipment;
2), according to the parameter in test assignment, the timing pulse testing equipment is configured;
3) program control timing pulse testing equipment, start test, in the situation that lose all time reference signals by the program control timing pulse testing equipment of test analysis hypervisor, the punctual test of carrying out the timing pulse accuracy to the 1PPS timing pulse, and the result of simultaneously by the test analysis hypervisor, the time pulse testing equipment being tested gathered, calculated and added up, by result store in the database of supervisor;
4) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
The method of the 10MHz standard frequency characteristic of this embodiment intelligence test time synchronism equipment has following steps successively:
1) the input signal types parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 10MHz sine wave signal of tested time synchronism equipment output, square-wave signal switching to the standard frequency testing equipment;
2) test assignment current in the standard frequency testing equipment is checked, cancelled existing test assignment;
3), according to the parameter in test assignment, the standard frequency testing equipment is configured;
4) programmed criteria frequency test equipment, start test, and the individual features of 10MHz frequency is tested, and described individual features comprises accuracy, stability, daily fluctuation, ageing rate, reproducibility, and the start characteristic;
5) the test analysis hypervisor starts the result data of Real-time Collection standard frequency testing equipment test, until test finishes, gathered test data is stored in supervisor;
6) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
The method of the IRIG-B code characteristic of this embodiment intelligence test time synchronism equipment has following steps successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the IRIG-B coded signal switching of tested time synchronism equipment output to IRIG-B code testing equipment;
2), according to the parameter in test assignment, IRIG-B code testing equipment is configured;
3) program control IRIG-B code testing equipment, start test, the individual features of IRIG-B code tested and understood to the content of IRIG-B code, and described individual features comprises accuracy, the error rate;
4) the test analysis hypervisor starts the result data of Real-time Collection IRIG-B code testing equipment test, until test finishes, gathered test data is stored in supervisor;
5) if current test be the test of performance class, test data is calculated, is added up and stored; If current test is that the IRIG-B code is understood test, only the result of understanding is gathered and stored;
6) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis, can be browsed and be analyzed 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), according to the parameter in test assignment, NTP/SNTP message testing equipment is configured;
2) program control NTP/SNTP message testing equipment, start test, the individual features of NTP/SNTP message tested and understood to the content of NTP/SNTP message, and described individual features comprises accuracy;
3) the test analysis hypervisor starts the result data of Real-time Collection NTP/SNTP message testing equipment test, until test finishes, gathered test data is stored in supervisor;
4) if current test be the test of accuracy, test data is calculated, is added up and stored; If current test is the test of NTP/SNTP Message Interpretation, only the result of understanding is gathered and stored;
5) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis, can be browsed and be analyzed 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 of the output of the time synchronism equipment by 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 the test item of configuration, and the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of PTP message testing equipment output to the timing pulse testing equipment;
3), according to the parameter in test assignment, PTP message testing equipment is configured;
4) program control PTP message testing equipment, start test, and the individual features of PTP message is tested, and described individual features comprises accuracy;
5) the test analysis hypervisor starts the result data of Real-time Collection PTP message testing equipment test, until test finishes, gathered test data is stored in supervisor;
6) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored 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, by the test analysis management software, starts test;
2) the test analysis hypervisor receives the serial ports message of tested time synchronism equipment output by the supervisor serial ports;
3) the test analysis hypervisor is tested and is understood the content of serial ports message to the time deviation of serial ports message, comprise that the serial ports message original text to receiving is stored, and carry out verification according to the standard serial port message format, if the message mistake is found in verification, error message is recorded in the error message file to the misregistration message occurs simultaneously time, type of error; Message time and administrative time are contrasted, and computing time, deviation, and resolved message content, in the test analysis hypervisor, shows in real time;
4), after the time of test process continuance test personnel setting, automatically finish;
5) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by the test analysis hypervisor by the tester with analysis, comprises the original text of test packet is browsed.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For the general technical staff of the technical field of the invention; make without departing from the inventive concept of the premise some alternative or obvious modification that are equal to; and performance or purposes identical, all should be considered as belonging to the present invention's scope of patent protection definite by submitted to claims.
Claims (10)
1. a comprehensive intelligent time frequency test macro, comprise and receive the satellite time signal as the global position system GPS of the time signal standard source of test/Beidou 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 by communication link connection management machine respectively, described standard test equipment comprises the timing pulse testing equipment, the standard frequency testing equipment, IRIG-B code testing equipment, NTP/SNTP message testing equipment, and PTP message testing equipment, it is characterized in that:
Be provided with Intelligent time frequency signal switcher, described Intelligent time frequency signal switcher is connected with described supervisor by communication link, also respectively with GPS/ Beidou antenna receiver, time and frequency standard source, standard test equipment, and tested time synchronism equipment connects;
The program control of described supervisor realized by the test analysis hypervisor run in supervisor, described 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 described test analysis hypervisor is the core of the management of whole system information/data, parameter configuration, test control, data analysis and assessment;
Carry out respectively following program control switching by described Intelligent time frequency signal switcher:
Gps time signal and the Big Dipper time signal that will receive as the GPS/ Beidou antenna receiver of time signal standard source are expanded, and program control described time and frequency standard source, described IRIG-B code testing equipment, the described NTP/SNTP message testing equipment of switching to respectively;
By the reference 1PPS time scale pulse signal of described time and frequency standard source output, the program control timing pulse testing equipment that switches to, as reference 1PPS time scale pulse signal;
By the 10MHz frequency signal of described time and frequency standard source output, the program control standard frequency testing equipment that switches to, as the frequency reference benchmark;
Switch to described timing pulse testing equipment by the tested 1PPS time scale pulse signal of described tested time synchronism equipment output is program control, test 1PPS timing pulse accuracy, rise/fall time, rise/fall pulsewidth, just/negative duty, and punctual timing pulse accuracy;
Program control described 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 tested 10MHz frequency signal that described tested time synchronism equipment is exported;
Program control described IRIG-B code testing equipment, test I RIG-B code accuracy, the error rate, and the content of understanding the IRIG-B code of switching to of the tested IRIG-B code that described tested time synchronism equipment is exported;
The tested NTP/SNTP message that described tested time synchronism equipment is exported exports described NTP/SNTP message testing equipment to, test NTP/SNTP message accuracy, and the content of understanding the NTP/SNTP message;
The tested PTP message that described tested time synchronism equipment is exported exports PTP message testing equipment to, described tested time synchronism equipment and PTP message testing equipment are carried out time synchronized by the PTP agreement, the program control timing pulse testing equipment that switches to of the 1PPS time scale pulse signal of simultaneously PTP message testing equipment being exported, the 1PPS pulse accuracy of exporting by test PTP message testing equipment, test PTP message accuracy;
The tested serial ports message that described tested time synchronism equipment is exported exports supervisor to, NTP message by the supervisor of operation test analysis hypervisor by the output of time and frequency standard source carry out accurately to the time, test serial ports message time deviation, and the content of understanding the serial ports message.
2. comprehensive intelligent time frequency test macro as claimed in claim 1 is characterized in that:
Described Intelligent time frequency signal switcher, comprise microprocessor module, the GPS/ Beidou antenna signaling module that the program control end is connected by the program control bus with the output of microprocessor module respectively, IRIG-B code module, realize by communication link and supervisor the communication control module that communication is connected, 1PPS timing pulse module, 10MHz frequency signal module, and be connected respectively with above-mentioned module the power module that working power is provided, described time and frequency standard source, the frequency time signal of various standard test equipment and satellite time signal are connected by described Intelligent time frequency signal switcher, expansion and switching.
3. comprehensive intelligent time frequency test macro as claimed in claim 1 or 2 is characterized in that:
The microprocessor module of described Intelligent time frequency signal switcher, GPIO mouth level by set MCU, control relevant program control relay switch and program control radio-frequency (RF) switch break-make, realize the control and management function of corresponding frequency time signal, described frequency time signal comprises 1PPS/1PPM pulse, IRIG-B code, and GPS/ Beidou antenna signal;
The GPS/ Beidou antenna signaling module of described Intelligent time frequency signal switcher, comprise the RF Amplifier Module, No. six power dividers, the six road radio frequency amplifiers that connect successively, and ac-coupled device, the input of described RF Amplifier Module is connected with GPS/ Beidou antenna receiver, for accessing external GPS/Beidou antenna signal, and amplification is divided into six tunnels by No. six power dividers;
The IRIG-B code module of described Intelligent time frequency signal switcher comprises:
The first expansion module of four tunnel outputs is arranged, and the input of described the first expansion module is connected with the benchmark IRIG-B code output circuit of described IRIG-B code testing equipment;
The the first two-way program control relay, the TTL/485 signal conversion module that connect successively, the two-way input of described the first two-way program control relay is connected with the two-way output of described the first expansion module respectively, the two-way output of described TTL/485 signal conversion module is respectively the output that can be joined B code standard source by the programme controlled two path signal interface of described microprocessor module TTL/485, and the B code can be set to TTL or the electric type of RS-485;
The the second two-way program control relay, the electrooptic conversion module that connect successively, the two-way input of described the second two-way program control relay is connected with the two-way output of described the first expansion module respectively, and the two-way output of described electrooptic conversion module is respectively the output by the programme controlled two ways of optical signals interface of described microprocessor module B code standard source;
The first photoelectric conversion module connected successively, the 3rd two-way program control relay, the input of described the first photoelectric conversion module is connected with the optical signal interface output circuit of tested IRIG-B code, the output of described the first photoelectric conversion module is connected with a road input of described the 3rd two-way program control relay, the electric signal interface output circuit of the tested IRIG-B code of the time synchronism equipment that another road input of described the 3rd two-way program control relay is direct and tested is connected, the output of described the 3rd two-way program control relay is is the output of B code electric signal interface by the programme controlled road signal-under-test output of described microprocessor module,
The 1PPS timing pulse module of described Intelligent time frequency signal switcher comprises:
The second expansion module that four tunnel outputs are arranged, the input of described the second expansion module with reference to 1PPS timing pulse output circuit, be connected, four road outputs of described the second expansion module are respectively the output by the programme controlled four electric signal interface 1PPS timing pulse extension standards sources, road of described microprocessor module;
The second photoelectric conversion module connected successively, the 4th two-way program control relay, the input of described the second photoelectric conversion module is connected with tested 1PPS timing pulse optical signal interface output circuit, the output of described the second photoelectric conversion module is connected with a road input of described the 4th two-way program control relay, another road input of described the 4th two-way program control relay directly is connected with tested 1PPS timing pulse electric signal interface output circuit, the output of described the 4th two-way program control relay is the output by the tested 1PPS time scale pulse signal of the programme controlled road electric signal interface of described microprocessor module.
4. comprehensive intelligent time frequency test macro as claimed in claim 3 is characterized in that:
Described GPS/ Beidou antenna receiver is the antenna receiver that model is DY-GABR045P00A;
Described time and frequency standard source is the temporal frequency a reference source that model is TSC4400;
Described supervisor is PC;
Described timing pulse testing equipment is the time-interval counter that model is CNT90 or CNT91;
Described standard frequency testing equipment is the Frequency Standard Comparison instrument that model is PO7D-2;
Described IRIG-B code testing equipment is the dual star topology split-second precision Frequency tester that model is GCT2000;
Described NTP/SNTP message testing equipment is the dual star topology split-second precision Frequency tester that model is GCT2000;
Described PTP message testing equipment is the terminal tester that model is SHPT2000.
5. an employing is as 1PPS timing pulse characteristic and the punctual method of testing of the time synchronism equipment of the comprehensive intelligent time frequency test macro of any one in claim 1 to 4, supervisor operation test analysis hypervisor in described Intelligentized test system, by communication link program-controlled intelligent time frequency signal switcher and 1PPS timing pulse testing equipment, it is characterized in that respectively:
1PPS timing pulse characteristic test has following steps successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of tested time synchronism equipment output to the timing pulse testing equipment;
2), according to the parameter in test assignment, the timing pulse testing equipment is configured;
3) program control timing pulse testing equipment, start test, and the individual features of 1PPS timing pulse is tested, and described individual features comprises accuracy, rise/fall time, rise/fall pulsewidth, and just/negative duty;
4) the test analysis hypervisor starts the result data of Real-time Collection timing pulse testing equipment test, until test finishes, gathered test data is stored in supervisor;
5) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
6) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis;
Punctual test has following steps successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of tested time synchronism equipment output to the timing pulse testing equipment;
2), according to the parameter in test assignment, the timing pulse testing equipment is configured;
3) program control timing pulse testing equipment, start test, in the situation that lose all time reference signals by the program control timing pulse testing equipment of test analysis hypervisor, the punctual test of carrying out the timing pulse accuracy to the 1PPS timing pulse, and the result of simultaneously by the test analysis hypervisor, the timing pulse testing equipment being tested gathered, calculated and added up, by result store in the database of supervisor;
4) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
6. an employing is as the 10MHz standard frequency characteristic test method of the time synchronism equipment of the comprehensive intelligent time frequency test macro of any one in claim 1 to 4, supervisor operation test analysis hypervisor in described Intelligentized test system, by communication link program-controlled intelligent time frequency signal switcher and 10MHz standard frequency testing equipment, it is characterized in that respectively:
Following steps are arranged successively:
1) the input signal types parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the 10MHz sine wave signal of tested time synchronism equipment output, square-wave signal switching to the standard frequency testing equipment;
2) test assignment current in the standard frequency testing equipment is checked, cancelled existing test assignment;
3), according to the parameter in test assignment, the standard frequency testing equipment is configured;
4) programmed criteria frequency test equipment, start test, and the individual features of 10MHz frequency is tested, and described individual features comprises accuracy, stability, daily fluctuation, ageing rate, reproducibility, and the start characteristic;
5) the test analysis hypervisor starts the result data of Real-time Collection standard frequency testing equipment test, until test finishes, gathered test data is stored in supervisor;
6) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
7. an employing is as the IRIG-B code characteristic test method of the time synchronism equipment of the comprehensive intelligent time frequency test macro of any one in claim 1 to 4, supervisor operation test analysis hypervisor in described Intelligentized test system, by communication link program-controlled intelligent time frequency signal switcher and IRIG-B code testing equipment, it is characterized in that respectively:
Following steps are arranged successively:
1) the input signal interface type parameter according to the test item of configuration by the test analysis hypervisor, the program-controlled intelligent time frequency signal switcher, export the IRIG-B coded signal switching of tested time synchronism equipment output to IRIG-B code testing equipment;
2), according to the parameter in test assignment, IRIG-B code testing equipment is configured;
3) program control IRIG-B code testing equipment, start test, the individual features of IRIG-B code tested and understood to the content of IRIG-B code, and described individual features comprises accuracy, the error rate;
4) the test analysis hypervisor starts the result data of Real-time Collection IRIG-B code testing equipment test, until test finishes, gathered test data is stored in supervisor;
5) if current test be the test of performance class, test data is calculated, is added up and stored; If current test is that the IRIG-B code is understood test, only the result of understanding is gathered and stored;
6) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis, can be browsed and be analyzed the IRIG-B digital content that continues to understand.
8. an employing is as the NTP/SNTP message characteristic test method of the time synchronism equipment of the comprehensive intelligent time frequency test macro of any one in claim 1 to 4, supervisor operation test analysis hypervisor in described Intelligentized test system, by communication link program-controlled intelligent time frequency signal switcher and NTP/SNTP message testing equipment, it is characterized in that respectively:
Following steps are arranged successively:
1), according to the parameter in test assignment, NTP/SNTP message testing equipment is configured;
2) program control NTP/SNTP message testing equipment, start test, the individual features of NTP/SNTP message tested and understood to the content of NTP/SNTP message, and described individual features comprises accuracy;
3) the test analysis hypervisor starts the result data of Real-time Collection NTP/SNTP message testing equipment test, until test finishes, gathered test data is stored in supervisor;
4) if current test be the test of accuracy, test data is calculated, is added up and stored; If current test is the test of NTP/SNTP Message Interpretation, only the result of understanding is gathered and stored;
5) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis, can be browsed and be analyzed the NTP/SNTP message content that continues to understand.
9. an employing is as the PTP message characteristic test method of the time synchronism equipment of the comprehensive intelligent time frequency test macro of any one in claim 1 to 4, supervisor operation test analysis hypervisor in described Intelligentized test system, by communication link program-controlled intelligent time frequency signal switcher 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 of the output of the time synchronism equipment by 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 the test item of configuration, and the program-controlled intelligent time frequency signal switcher, export the 1PPS signal switching of PTP message testing equipment output to the timing pulse testing equipment;
3), according to the parameter in test assignment, PTP message testing equipment is configured;
4) program control PTP message testing equipment, start test, and the individual features of PTP message is tested, and described individual features comprises accuracy;
5) the test analysis hypervisor starts the result data of Real-time Collection PTP message testing equipment test, until test finishes, gathered test data is stored in supervisor;
6) according to the test data gathered, to calculating, statistics and the storage of carrying out test data;
7) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by 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 is exported in the external electrical document and stored and secondary analysis.
10. an employing is as the serial ports message characteristic test method of the time synchronism equipment of the comprehensive intelligent time frequency test macro of any one in claim 1 to 4, supervisor operation test analysis hypervisor in described Intelligentized test system, by communication link program-controlled intelligent time frequency signal switcher, it is characterized in that:
Following steps are arranged successively:
1) tester, by the test analysis management software, starts test;
2) the test analysis hypervisor receives the serial ports message of tested time synchronism equipment output by the supervisor serial ports;
3) the test analysis hypervisor is tested and is understood the content of serial ports message to the time deviation of serial ports message, comprise that the serial ports message original text to receiving is stored, and carry out verification according to the standard serial port message format, if the message mistake is found in verification, error message is recorded in the error message file to the misregistration message occurs simultaneously time, type of error; Message time and administrative time are contrasted, and computing time, deviation, and resolved message content, in the test analysis hypervisor, shows in real time;
4), after the time of test process continuance test personnel setting, automatically finish;
5) browsing data and analysis;
Described browsing data is browsed and is analyzed the collection, statistics, the calculated data that are stored in supervisor by the test analysis hypervisor by the tester with analysis, comprises the original text of test packet is browsed.
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| CN103581943A (en) * | 2012-08-01 | 2014-02-12 | 中国移动通信集团公司 | Clock synchronization testing method and system for wireless access system |
| CN103901271B (en) * | 2012-12-25 | 2015-06-03 | 泰斗微电子科技有限公司 | Frequency test method and frequency test system |
| CN103257352B (en) * | 2013-05-10 | 2014-10-08 | 航天东方红卫星有限公司 | Method for testing double-satellite GPS closed-loop control |
| CN104579336A (en) * | 2015-01-12 | 2015-04-29 | 南京大全自动化科技有限公司 | Alternating-current IRIG-B code generating device and method |
| CN104678291B (en) * | 2015-02-10 | 2017-09-19 | 电信科学技术第五研究所 | A kind of digital synchronous network nodal clock equipment performance automatically testing platform |
| CN112636894A (en) * | 2020-12-28 | 2021-04-09 | 联创汽车电子有限公司 | ECU communication module test method, test equipment and storage medium based on time parameters |
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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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