CN202533752U - Intelligent test system used for time reference redundant signal of time synchronization equipment - Google Patents

Intelligent test system used for time reference redundant signal of time synchronization equipment Download PDF

Info

Publication number
CN202533752U
CN202533752U CN2012200793917U CN201220079391U CN202533752U CN 202533752 U CN202533752 U CN 202533752U CN 2012200793917 U CN2012200793917 U CN 2012200793917U CN 201220079391 U CN201220079391 U CN 201220079391U CN 202533752 U CN202533752 U CN 202533752U
Authority
CN
China
Prior art keywords
time
signal
module
sign indicating
indicating number
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2012200793917U
Other languages
Chinese (zh)
Inventor
刘鹏
宁文辉
韦恒
韩冰
周卫
周柯
刘路
孔祥兵
白江涛
张金瑜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN CITY SHUANGHE ELECTRIC CO Ltd
Electric Power Research Institute of Guangxi Power Grid Co Ltd
Original Assignee
SHENZHEN CITY SHUANGHE ELECTRIC CO Ltd
Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN CITY SHUANGHE ELECTRIC CO Ltd, Electric Power Research Institute of Guangxi Power Grid Co Ltd filed Critical SHENZHEN CITY SHUANGHE ELECTRIC CO Ltd
Priority to CN2012200793917U priority Critical patent/CN202533752U/en
Application granted granted Critical
Publication of CN202533752U publication Critical patent/CN202533752U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Abstract

Disclosed is an intelligent test system used for time reference redundant signals of a time synchronization equipment, comprising a global positioning system GPS/a big dipper antenna receiver, a management machine for running a test, analysis and management program, and a time frequency standard source, time mark pulse test equipment and IRIG-B code test equipment which are connected with the management machine through a communication link respectively to realize program control. The intelligent test system is characterized by being provided with an intelligent time frequency signal switcher, the program control of the management machine is achieved by the test, analysis and management program run in the management machine, and the intelligent time frequency signal switcher is used to carry out program control switch for testing time reference redundant signal switching function. An intelligent test on functions and performances of external reference redundant signal switching of the time synchronization equipment can be carried out simply and effectively without the need for manual intervention, and intelligent level of test on complex business functions and performances of the time synchronization equipment can be improved substantially; and testing performance is more accurate, testing efficiency is higher, and testing time is greatly reduced.

Description

A kind of time synchronism equipment time reference redundant signals intelligent test system
Technical field
The utility model relates to time synchronized and temporal frequency test, particularly relates to a kind of time synchronism equipment time reference redundant signals intelligent test system.
Background technology
Existing temporal frequency testing apparatus can only be carried out performance test to certain single frequency time signal, can not be to the integration test that comprises the test of time reference redundant signals of time synchronism equipment complicated business performance and function.The test of time reference redundant signals is that time synchronism equipment to be tested is losing three kinds of external time reference redundant signals of unnecessary repeated configuration: GPS (Global Positioning System; Initialism is GPS) time signal, Big Dipper time signal and international target range instrument group (Inter Range Instrumentation Group; Initialism is IRIG)-during a kind of in the B timing code (hereinafter to be referred as the IRIG-B sign indicating number); To testing between the three or to global position system GPS satellite-signal, the IRIG-B sign indicating number signal redundancy handoff functionality between the two; The user assigns benchmark redundant signals handoff functionality test assignment to timing pulse testing apparatus and IRIG-B sign indicating number testing apparatus respectively through the test analysis management software of being set up the communication connection by communication link; Controlled 1PPS and the IRIG-B sign indicating number that time synchronism equipment to be tested is externally exported in the time reference redundant signals handoff procedure tested; Comprise test data collection and storage; And the handoff procedure record, so that test data is managed and is analyzed.But not seeing as yet so far has the benchmark of pair time synchronism equipment redundant signals handoff functionality to carry out the System and method for of intelligent test.
Summary of the invention
The utility model technical matters to be solved is the defective that remedies above-mentioned prior art, and a kind of time synchronism equipment time reference redundant signals intelligent test system is provided.
The technical matters of the utility model solves through following technical scheme.
This time synchronism equipment time reference redundant signals intelligent test system; Comprise receiving the satellite time signal, and realize program control time and frequency standard source, timing pulse testing apparatus, IRIG-B sign indicating number testing apparatus through communication link connection management machine respectively as the global position system GPS/Big Dipper antenna receiver of the time signal standard source of test, the supervisor of operation test analysis supervisory routine.
The characteristics of this time synchronism equipment time reference redundant signals intelligent test system 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 said global position system GPS/Big Dipper antenna receiver, said time and frequency standard source, said timing pulse testing apparatus, said IRIG-B sign indicating number testing apparatus, and time synchronism equipment to be tested connects.
The program control of said supervisor realized through the test analysis supervisory routine that runs in the supervisor; The priority of three kinds of external time reference redundant signals is respectively from high to low: global position system GPS satellite time signal, big-dipper satellite time signal and IRIG-B sign indicating number; Receive respectively that intelligent frequency time signal switch is program control to be configured to turn on and off state; The time reference signal that said time synchronism equipment synchronization to be tested only obtains a kind of higher priority in global position system GPS time signal, Big Dipper time signal and the IRIG-B sign indicating number is as the time reference benchmark; When the time reference of a certain higher priority when being unavailable, the signal that then adopts time high priority automatically is as the time reference benchmark, but reverts to the time spent when the time reference signal of higher priority; To adopt it as the time reference benchmark automatically; When all external time reference signals when all being unavailable, time synchronism equipment to be tested enters into self punctual pattern, continues the corresponding time signal of output.
Carry out following program control switching respectively by said intelligent frequency time signal switch:
Will be as the time reference signal of the global position system GPS of time signal standard source/Big Dipper antenna receiver output: the global position system GPS time signal be expanded; And program control respectively said time and frequency standard source and the said IRIG-B sign indicating number testing apparatus of switching to; Time reference signal with the output of said time signal standard source: global position system GPS time signal and Big Dipper time signal are expanded, and program controlly switch to said time synchronism equipment to be tested as the time reference benchmark;
With the program control said timing pulse testing apparatus 1PPS time scale pulse signal as a reference that switches to of 1PPS time scale pulse signal of said time and frequency standard source output, switch to said time synchronism equipment to be tested as the time reference benchmark with the benchmark IRIG-B sign indicating number of said time and frequency standard source output is program control;
Switch to said timing pulse testing apparatus with the 1PPS time scale pulse signal to be tested of said time synchronism equipment to be tested output is program control, switch to said IRIG-B sign indicating number testing apparatus with the IRIG-B sign indicating number to be tested of said time synchronism equipment output to be tested is program control.
The technical matters of the utility model solves through following further technical scheme.
Said global position system GPS/Big Dipper antenna receiver is that model is the antenna receiver of DY-GABR045P00A; Said global position system GPS/Big Dipper antenna receiver receiving world locational system gps time signal and Big Dipper time signal; And be entered in the intelligent frequency time signal switch and amplify; And expand to multichannel; Wherein 1 road global position system GPS time signal exports IRIG-B sign indicating number testing apparatus 5 time signal sources as the IRIG-B decoding apparatus to; 1 road global position system 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 global position system 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 reference source of TSC4400; Said time and frequency standard source receives the global position system GPS satellite time signal by intelligent frequency time signal switch expansion output; Internally its internal clocking is tamed; Export high-precision 1PPS timing pulse and IRIG-B sign indicating number to intelligent frequency time signal switch; And by intelligent frequency time signal switch switching; Wherein, the 1PPS time scale pulse signal after the switching exports the reference 1PPS time scale pulse signal of timing pulse testing apparatus as the timing pulse testing apparatus to, and the IRIG-B sign indicating number exports the benchmark IRIG-B sign indicating number of time synchronism equipment to be tested as time synchronism equipment to be tested to.
Said supervisor is a PC.
Said timing pulse testing apparatus is that model is the time-interval counter of CNT90 or CNT91.
Said IRIG-B sign indicating number testing apparatus is that model is the dual star topology split-second precision Frequency tester of GCT2000.
Said intelligent frequency time signal switch; The communication control module, the 1PPS timing pulse module that comprise global position system GPS/Big Dipper aerial signal module that microprocessor module, programmed control end be connected through the programmed control bus with the output terminal of microprocessor module respectively, IRIG-B sign indicating number module, be connected with supervisor realization communication through communication link, and be connected the power module that working power is provided respectively with above-mentioned module.
Said time synchronism equipment to be tested is provided with the input interface that receives outside global position system GPS time signal, Big Dipper time signal, IRIG-B sign indicating number; And the output interface of exporting 1PPS time scale pulse signal, IRIG-B sign indicating number, on panel, also be provided with the time source signal lamp.
Said time source signal lamp comprises that the global position system GPS time signal refers to lamp, Big Dipper time signal pilot lamp, IRIG-B time code signal pilot lamp and punctual signal lamp; Be used to indicate the type of the current time signal source that adopts; And whether the redundant signals handoff functionality of time synchronism equipment to be tested is normal; When externally reference time, signal changed; Time synchronism equipment to be tested is by the preferred current time signal of the priority orders source of setting; Corresponding time signal pilot lamp is lighted, if the variation of the time signal source pilot lamp of time synchronism equipment to be tested is consistent with the handoff procedure of three kinds of external time reference redundant signals, explains that the redundant signals handoff functionality of time synchronism equipment to be tested is normal.
The technical matters of the utility model solves through following further again technical scheme.
The microprocessor module of said intelligent frequency time signal switch; GPIO mouth level through set MCU; The programmed control relay that control is relevant switches and programmed control RF switch 35 break-makes; 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 global position system GPS/Big Dipper aerial signal.
The global position system GPS of said intelligent frequency time signal switch/Big Dipper aerial signal module; Comprise the RF Amplifier Module, No. six power dividers, six road radio frequency amplifier that connect successively; And ac-coupled device; The input end of said RF Amplifier Module is connected with global position system GPS/Big Dipper antenna receiver, is used to insert outside global position system 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 end 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 apparatus;
The first two-way programmed control relay, the TTL/485 signal conversion module that connect successively; The two-way input end of the said first two-way programmed control relay is connected with the two-way output terminal of said first expansion module respectively; The two-way output terminal of said TTL/485 signal conversion module is respectively the output terminal 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 programmed control relay, the electrooptic conversion module that connect successively; The two-way input end of the said second two-way programmed control relay is connected with the two-way output terminal of said first expansion module respectively, and the two-way output terminal of said electrooptic conversion module is respectively the output terminal 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 programmed control relay that connect successively; The input end 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 terminal of said first photoelectric conversion module is connected with one road input end of said the 3rd two-way programmed control relay; Another road input end of said the 3rd two-way programmed 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 terminal of said the 3rd two-way programmed control relay is to be the output terminal of B sign indicating number electric signal interface by programme controlled one road signal-under-test output terminal 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 end of said second expansion module be connected with reference to 1PPS timing pulse output circuit, four road output terminals of said second expansion module are respectively can't help the output terminal 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 programmed control relay that connect successively; The input end of said second photoelectric conversion module is connected with 1PPS timing pulse optical signal interface output circuit to be tested; The output terminal of said second photoelectric conversion module is connected with one road input end of said the 4th two-way programmed control relay; Another road input end of said the 4th two-way programmed control relay directly is connected with 1PPS timing pulse electric signal interface output circuit to be tested, and the output terminal of said the 4th two-way programmed control relay is the output terminal by programme controlled one road electric signal interface of said microprocessor module 1PPS time scale pulse signal to be tested.
The utility model beneficial effect compared with prior art is:
Test analysis supervisory routine through running in the supervisor is carried out program control to timing pulse testing apparatus, IRIG-B sign indicating number testing apparatus, intelligent frequency time signal switch; Make organic cooperation between each controlled plant; Can be under need not the situation of manual intervention, easy and function and performance that effectively time synchronism equipment outside reference redundant signals is switched are carried out effective intelligent test, improve the intelligent level of time synchronism equipment complicated business function and performance test conscientiously; Test performance is more accurate; Testing efficiency is higher, and the test duration shortens greatly, has realized that test process is intelligent, standardization; Signal switching, data acquisition, parsing, calculating, statistics, storage robotization; 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 equipment to be tested is carried out objective evaluation.Can be widely used in function and the performance test and the analysis of the time synchronism equipment outside reference redundant signals switching in fields such as electric power, telecommunications.
Description of drawings
Fig. 1 is the composition block scheme of the test macro of the utility model embodiment;
Fig. 2 is the composition block scheme of the intelligent frequency time signal switch of Fig. 1;
Fig. 3 is the composition block scheme of global position system GPS/Big Dipper aerial signal module of Fig. 2;
Fig. 4 is the composition block scheme of the IRIG-B sign indicating number module of Fig. 2;
Fig. 5 is the composition block scheme of the 1PPS timing pulse module of Fig. 2.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described.
A kind of time synchronism equipment time reference redundant signals intelligent test system shown in Fig. 1~5; Comprise receiving the supervisor 1 of satellite time signal, and realize program control time and frequency standard source 6, timing pulse testing apparatus 3, IRIG-B sign indicating number testing apparatus 5 through communication link 22,19,21 connection management machines 1 respectively as the global position system GPS/Big Dipper antenna receiver 8 of the time signal standard source of test, time and frequency standard source 6, operation test analysis supervisory routine 2.
Be provided with intelligent frequency time signal switch 4; It is connected with supervisor 1 through communication link 20; Also respectively with global position system GPS/Big Dipper antenna receiver 8, time and frequency standard source 6, timing pulse testing apparatus 3, IRIG-B sign indicating number testing apparatus 5, and time synchronism equipment to be tested connects 7.
The program control of supervisor 1 realized through the test analysis supervisory routine 2 that runs in the supervisor 1; The priority of three kinds of external time reference redundant signals is respectively from high to low: global position system GPS satellite time signal, big-dipper satellite time signal and IRIG-B sign indicating number; Receive respectively that intelligent frequency time signal switch 4 is program control to be configured to turn on and off state; The time reference signal that time synchronism equipment 7 synchronizations to be tested only obtain a kind of higher priority in global position system GPS time signal, Big Dipper time signal and the IRIG-B sign indicating number is as the time reference benchmark; When the time reference of a certain higher priority when being unavailable, the signal that then adopts time high priority automatically is as the time reference benchmark, but reverts to the time spent when the time reference signal of higher priority; To adopt it as the time reference benchmark automatically; When all external time reference signals when all being unavailable, time synchronism equipment 7 to be tested enters into self punctual pattern, continues the corresponding time signal of output.
Carry out following program control switching respectively by intelligent frequency time signal switch 4:
Will be as the time reference signal of the global position system GPS of time signal standard source/Big Dipper antenna receiver 8 outputs: global position system GPS time signal 9 be expanded; And program control respectively time and frequency standard source 6 and the IRIG-B sign indicating number testing apparatus 5 of switching to; Will be as the time reference signal of the global position system GPS of time signal standard source/Big Dipper antenna receiver 8 outputs: global position system GPS time signal 9 be expanded with Big Dipper time signal 10, and the program control time synchronism equipment to be tested 7 that switches to is as the time reference benchmark;
With the 1PPS time scale pulse signal 13 program control timing pulse testing apparatus 3 1PPS time scale pulse signals as a reference that switch to of time and frequency standard source 6 output, with the benchmark IRIG-B sign indicating number 14 program control time synchronism equipments to be tested 7 that switch to of time and frequency standard source 6 outputs as the time reference benchmark
With the 1PPS time scale pulse signal to be tested 17 program control timing pulse testing apparatuss 3 that switch to of time synchronism equipment to be tested 7 outputs, with the IRIG-B sign indicating number to be tested 18 program control IRIG-B sign indicating number testing apparatuss 5 that switch to of time synchronism equipment to be tested 7 outputs.
Global position system GPS/Big Dipper antenna receiver 8 is the antenna receiver of DY-GABR045P00A for model; Global position system GPS/Big Dipper antenna receiver 8 receiving world locational system gps time signals 9 and Big Dipper time signal 10; And be entered in the intelligent frequency time signal switch 4 and amplify; And expand to multichannel; Wherein 1 road global position system GPS time signal 12 exports IRIG-B sign indicating number testing apparatus 5 time signal sources as the IRIG-B decoding apparatus to; 1 road global position system GPS time signal 15 and 1 north of a road bucket time signal 16 export the satellite time reference signal of time synchronism equipment 7 to be tested as time synchronism equipment to be tested respectively to, and 1 road global position system GPS time signal exports the time signal source of time and frequency standard source 11 as time and frequency standard source 6 to.
Time and frequency standard source 6 is the temporal frequency reference source of TSC4400 for model; Time and frequency standard source 6 receives the global position system GPS satellite time signal 11 by intelligent frequency time signal switch 4 expansion outputs; Internally its internal clocking is tamed; Export high-precision 1PPS timing pulse 13 and IRIG-B sign indicating number 14 to intelligent frequency time signal switch 4; And by intelligent frequency time signal switch 4 switchings; Wherein, the 1PPS time scale pulse signal after the switching exports the reference 1PPS time scale pulse signal 13 of timing pulse testing apparatus 3 as timing pulse testing apparatus 3 to, and the IRIG-B sign indicating number exports the benchmark IRIG-B sign indicating number 14 of time synchronism equipment 7 to be tested as time synchronism equipment 7 to be tested to.
Supervisor 1 is a PC.
Timing pulse testing apparatus 3 is that model is the time-interval counter of CNT90 or CNT91.
IRIG-B sign indicating number testing apparatus 5 is that model is the dual star topology split-second precision Frequency tester of GCT2000.
Intelligence frequency time signal switch 4 comprises global position system GPS/Big Dipper aerial signal module 25, IRIG-B sign indicating number module 26 that microprocessor module 23, programmed control end 34 be connected through programmed control bus 15 with the output terminal of microprocessor module 23 respectively, passes through communication control module 27,1PPS timing pulse module 28 that communication link 20 is connected with supervisor 1 realization communication; And be connected the power module 24 that working power is provided respectively with above-mentioned module; In addition, also comprise 10MHz frequency signal module 29.
Time synchronism equipment 7 to be tested is provided with the input interface that receives outside global position system GPS time signal, Big Dipper time signal, IRIG-B sign indicating number; And the output interface of exporting 1PPS time scale pulse signal, IRIG-B sign indicating number, on panel, also be provided with the time source signal lamp.
The time source signal lamp comprises that the global position system GPS time signal refers to lamp, Big Dipper time signal pilot lamp, IRIG-B time code signal pilot lamp and punctual signal lamp; Be used to indicate the type of the current time signal source that adopts; And whether the redundant signals handoff functionality of time synchronism equipment 7 to be tested is normal; When externally reference time, signal changed; Time synchronism equipment 7 to be tested is by the preferred current time signal of the priority orders source of setting; Corresponding time signal pilot lamp is lighted, if the variation of the time signal source pilot lamp of time synchronism equipment to be tested 7 is consistent with the handoff procedure of three kinds of external time reference redundant signals, explains that the redundant signals handoff functionality of time synchronism equipment to be tested is normal.
The microprocessor module 23 of intelligence frequency time signal switch 7; GPIO mouth level through set MCU; The programmed control relay that control is relevant switches and programmed control RF switch 35 break-makes; Realize the control and management function of corresponding frequency time signal, frequency time signal comprises 1PPS/1PPM pulse, IRIG-B sign indicating number, and global position system GPS/Big Dipper aerial signal.
Global position system GPS/the Big Dipper aerial signal module 25 of intelligence frequency time signal switch 7; Comprise successively the RF Amplifier Module that connects 31, No. six power dividers 32, six road radio frequency amplifier 33; And ac-coupled device 36; The input end 30 of RF Amplifier Module 31 is connected with global position system GPS/Big Dipper antenna receiver 8, is used to insert outside global position system GPS/Big Dipper aerial signal, and amplifies after No. six power dividers 32 are divided into six the tunnel.
The IRIG-B sign indicating number module 26 of intelligence frequency time signal switch 7 comprises:
First expansion module 37 of four tunnel outputs is arranged, and its input end is connected with benchmark IRIG-B sign indicating number 14 output circuits of IRIG-B sign indicating number testing apparatus 5;
The first two-way programmed control relay 41, the TTL/485 signal conversion module 42 that connect successively; The two-way input end of the first two-way programmed control relay 41 is connected with the two-way output terminal of first expansion module 37 respectively; The two-way output terminal of TTL/485 signal conversion module 38 is respectively the output terminal that can be joined B sign indicating number standard source by microprocessor module 23 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 programmed control relay 42, the electrooptic conversion module 39 that connect successively; The two-way input end of the said second two-way programmed control relay 42 is connected with the two-way output terminal of first expansion module 37 respectively, and the two-way output terminal of electrooptic conversion module 39 is respectively the output terminal by 23 programme controlled two ways of optical signals interface B sign indicating number standard sources of microprocessor mould;
First photoelectric conversion module 40, the 3rd two-way programmed control relay 43 that connect successively; The input end of first photoelectric conversion module 40 is connected with the optical signal interface output circuit of IRIG-B sign indicating number 18 to be tested; The output terminal of first photoelectric conversion module 40 is connected with one road input end of the 3rd two-way programmed control relay 43; Another road input end of the 3rd two-way programmed control relay 43 directly is connected with the electric signal interface output circuit of the IRIG-B sign indicating number 18 to be tested of time synchronism equipment 7 to be tested, and the output terminal of the 3rd two-way programmed control relay 43 is to be the output terminal of B sign indicating number electric signal interface by microprocessor module 23 programme controlled one road signal-under-test output terminals.
The 1PPS timing pulse module 28 of intelligence frequency time signal switch 7 comprises:
Second expansion module 45 that four tunnel outputs are arranged; Its input end be connected with reference to 1PPS timing pulse 13 output circuits, four road output terminals of second expansion module 45 are respectively can't help the output terminal in microprocessor module 23 programme controlled four road electric signal interface 1PPS timing pulse extension standards sources;
Second photoelectric conversion module 44, the 4th two-way programmed control relay 46 that connect successively; The input end of second photoelectric conversion module 44 is connected with 1PPS timing pulse 17 optical signal interface output circuits to be tested; The output terminal of second photoelectric conversion module 44 is connected with one road input end of the 4th two-way programmed control relay 46; Another road input end of the 4th two-way programmed control relay 46 directly is connected with 1PPS timing pulse 17 electric signal interface output circuits to be tested, and the output terminal of the 4th two-way programmed control relay 46 is the output terminal by microprocessor module 23 programme controlled one road electric signal interfaces 1PPS time scale pulse signal 17 to be tested.
The method of this embodiment intelligence test time synchronism equipment time reference redundant signals handoff functionality has following steps successively:
1) data acquisition and storage
The switching controls that three kinds of external time reference redundant signals that exported to time synchronism equipment 7 to be tested by 2 pairs of intelligent frequency time signal switchs 4 of test analysis supervisory routine turn-offed and connect by the time interval of setting; Change the state that the outside reference redundant signals is in; The break-make of simulating time synchronism equipment 7 outside input redundant signals to be tested changes; Simultaneously; Respectively program control timing pulse testing apparatus 3 and IRIG-B sign indicating number testing apparatus 5 continue the externally input reference signal accuracy of switching the 1PPS signal of being exported in the change procedure of test time synchronism equipment 7 to be tested, continue to understand the content reading of the IRIG-B sign indicating number that test exported; The switching time of redundant signals and switching state are by supervisor 1 automatic record, and test data is continued to gather automatically and storage respectively synchronously by supervisor 1;
Three kinds of switching controls that the external time reference redundant signals turn-offed and connects by the time interval of setting have following substep successively:
11) all connect global position system GPS satellite-signal, Big Dipper satellite signal and IRIG-B sign indicating number, last the time interval of setting;
12) turn-off the global position system GPS satellite-signal, keep connecting Big Dipper satellite signal and IRIG-B sign indicating number, last the time interval of setting;
13) turn-off defeated global position system GPS satellite-signal and Big Dipper satellite signal, keep connecting the IRIG-B sign indicating number, last the time interval of setting;
14) all turn-off global position system GPS satellite-signal, Big Dipper satellite signal and IRIG-B sign indicating number, last the time interval of setting;
15) keep turn-offing global position system GPS satellite-signal 1 and Big Dipper satellite signal, connect the IRIG-B sign indicating number, last the time interval of setting;
16) keep turn-offing the global position system GPS satellite-signal, connect Big Dipper satellite signal and IRIG-B sign indicating number, last the time interval of setting;
17) all connect global position system GPS satellite-signal, Big Dipper satellite signal and IRIG-B sign indicating number, last the time interval of setting.
The time interval of above-mentioned setting is the time that is continued when the outside reference redundant signals is in a kind of state in the test process; After lasting the time interval of setting; By test analysis supervisory routine 2 program-controlled intelligent frequency time signal switchs 4, the outside reference redundant signals is switched to another kind of state.
The time interval of above-mentioned setting is 1 minute to 10 hours, sets self-timing in test process by the tester through test analysis supervisory routine 2.
2) browsing data and analysis
Browsing data is browsed and is analyzed through 2 pairs of image data that are stored in the supervisor 1 of test analysis supervisory routine by the tester with analysis; Judge the benchmark redundant signals handoff functionality and the performance of time synchronism equipment 7 to be tested; Analyze three kinds of redundant reference signals that content comprises that judgement is current; Which is in connected state; Which is in off-state; Through with the panel of time synchronism equipment 7 to be tested on the time source signal lamp compare; Whether the redundant signals of judging time synchronism equipment 7 to be tested can automatically switch according to the on off operating mode of external time reference redundant signals, analyzes content and comprises also that to time synchronism equipment to be tested the 1PPS time scale pulse signal of being exported and time accuracy, time correctness and the continuity of IRIG-B sign indicating number are analyzed when three kinds of external time reference redundant signals switch variation.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.Those of ordinary skill for technical field under the utility model; Under the prerequisite that does not break away from the utility model 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 utility model is confirmed by claims of being submitted to.

Claims (10)

1. time synchronism equipment time reference redundant signals intelligent test system; Comprise and receive the supervisor of satellite time signal as the global position system GPS/Big Dipper antenna receiver of the time signal standard source of test, time and frequency standard source, operation test analysis supervisory routine; And realize program control timing pulse testing apparatus, IRIG-B sign indicating number testing apparatus through communication link connection management machine respectively, 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 said global position system GPS/Big Dipper antenna receiver, said time and frequency standard source, said timing pulse testing apparatus, said IRIG-B sign indicating number testing apparatus, and time synchronism equipment to be tested connects.
2. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 1 is characterized in that:
Said intelligent frequency time signal switch; The communication control module, the 1PPS timing pulse module that comprise global position system GPS/Big Dipper aerial signal module that microprocessor module, programmed control end be connected through the programmed control bus with the output terminal of microprocessor module respectively, IRIG-B sign indicating number module, be connected with supervisor realization communication through communication link, and be connected the power module that working power is provided respectively with above-mentioned module.
3. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 2 is characterized in that:
The global position system GPS of said intelligent frequency time signal switch/Big Dipper aerial signal module; Comprise the RF Amplifier Module, No. six power dividers, six road radio frequency amplifier that connect successively; And ac-coupled device; The input end of said RF Amplifier Module is connected with global position system GPS/Big Dipper antenna receiver, is used to insert outside global position system 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 end 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 apparatus;
The first two-way programmed control relay, the TTL/485 signal conversion module that connect successively; The two-way input end of the said first two-way programmed control relay is connected with the two-way output terminal of said first expansion module respectively; The two-way output terminal of said TTL/485 signal conversion module is respectively the output terminal 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 programmed control relay, the electrooptic conversion module that connect successively; The two-way input end of the said second two-way programmed control relay is connected with the two-way output terminal of said first expansion module respectively, and the two-way output terminal of said electrooptic conversion module is respectively the output terminal 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 programmed control relay that connect successively; The input end 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 terminal of said first photoelectric conversion module is connected with one road input end of said the 3rd two-way programmed control relay; Another road input end of said the 3rd two-way programmed 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 terminal of said the 3rd two-way programmed control relay is to be the output terminal of B sign indicating number electric signal interface by programme controlled one road signal-under-test output terminal 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 end of said second expansion module be connected with reference to 1PPS timing pulse output circuit, four road output terminals of said second expansion module are respectively can't help the output terminal 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 programmed control relay that connect successively; The input end of said second photoelectric conversion module is connected with 1PPS timing pulse optical signal interface output circuit to be tested; The output terminal of said second photoelectric conversion module is connected with one road input end of said the 4th two-way programmed control relay; Another road input end of said the 4th two-way programmed control relay directly is connected with 1PPS timing pulse electric signal interface output circuit to be tested, and the output terminal of said the 4th two-way programmed control relay is the output terminal by programme controlled one road electric signal interface of said microprocessor module 1PPS time scale pulse signal to be tested.
4. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 3 is characterized in that:
Said global position system GPS/Big Dipper antenna receiver is that model is the antenna receiver of DY-GABR045P00A.
5. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 3 is characterized in that:
Said time and frequency standard source is that model is the temporal frequency reference source of TSC4400.
6. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 3 is characterized in that:
Said supervisor is a PC.
7. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 3 is characterized in that:
Said timing pulse testing apparatus is that model is the time-interval counter of CNT90 or CNT91.
8. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 3 is characterized in that:
Said IRIG-B sign indicating number testing apparatus is that model is the dual star topology split-second precision Frequency tester of GCT2000.
9. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 3 is characterized in that:
Said time synchronism equipment to be tested is provided with the input interface that receives outside global position system GPS time signal, Big Dipper time signal, IRIG-B sign indicating number; And the output interface of exporting 1PPS time scale pulse signal, IRIG-B sign indicating number, on panel, also be provided with the time source signal lamp.
10. time synchronism equipment time reference redundant signals intelligent test system as claimed in claim 9 is characterized in that:
Said time source signal lamp comprises that the global position system GPS time signal refers to lamp, Big Dipper time signal pilot lamp, IRIG-B time code signal pilot lamp and punctual signal lamp.
CN2012200793917U 2012-03-06 2012-03-06 Intelligent test system used for time reference redundant signal of time synchronization equipment Expired - Lifetime CN202533752U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200793917U CN202533752U (en) 2012-03-06 2012-03-06 Intelligent test system used for time reference redundant signal of time synchronization equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200793917U CN202533752U (en) 2012-03-06 2012-03-06 Intelligent test system used for time reference redundant signal of time synchronization equipment

Publications (1)

Publication Number Publication Date
CN202533752U true CN202533752U (en) 2012-11-14

Family

ID=47134923

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200793917U Expired - Lifetime CN202533752U (en) 2012-03-06 2012-03-06 Intelligent test system used for time reference redundant signal of time synchronization equipment

Country Status (1)

Country Link
CN (1) CN202533752U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107239433A (en) * 2017-06-06 2017-10-10 上海航天控制技术研究所 A kind of triple redundance computer synchronous method
CN109945917A (en) * 2018-11-16 2019-06-28 北京特种机械研究所 A kind of vehicle-mounted combination instrument of fortune trailer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107239433A (en) * 2017-06-06 2017-10-10 上海航天控制技术研究所 A kind of triple redundance computer synchronous method
CN109945917A (en) * 2018-11-16 2019-06-28 北京特种机械研究所 A kind of vehicle-mounted combination instrument of fortune trailer

Similar Documents

Publication Publication Date Title
CN105785199B (en) Multifunctional ligand electric terminals integrated test system and its working method
CN102608910B (en) Time reference redundancy signal intelligent testing system and method of time synchronization device
CN102593955B (en) Comprehensive intelligent time frequency testing system and testing method
CN102590619B (en) Method for detecting time synchronization capacity of real-time measurement equipment based on timing variable
CN203259610U (en) Merging unit accurate time testing instrument based on analog signal digital transmission
CN101923138B (en) AT (Autotransformer) line fault ranging system with built-bin GPS (Global Positioning System) module
CN103605023A (en) Method and device for measuring merging unit time characteristics
CN103368259A (en) Testing method for time accuracy by utilizing system for testing remote communication traffic of substation measuring and control devices
CN201425705Y (en) Electric power system time synchronizer
CN104101804A (en) Relay protection testing and simulation control device
CN103684907A (en) Regional power network intelligent equipment time analyzer
CN102288848A (en) Automatic current test and analysis system and method for constant-temperature crystal oscillator
CN109639518A (en) Third generation intelligent substation entirety looped network test macro and its application method
CN102621512A (en) Dynamic simulation test method for timekeeping performance of merging unit
CN202533752U (en) Intelligent test system used for time reference redundant signal of time synchronization equipment
CN203949994U (en) Relay protection test and simulation control device
CN201707604U (en) Rapid analog quantity/switching quantity record testing device
CN102591194B (en) Intelligent test system and method used for IRIG (Inter-range Instrumentation Group)-B code fault-tolerant function of time synchronizer
CN108169584B (en) Device testing method, device, system, storage medium and processor
CN104734338A (en) Clock monitoring method, device and system of transformer substations
CN106849346B (en) A kind of system for testing power distribution automation equipment time adjustment function and timekeeping performance
CN203434992U (en) Networking protocol serial port test device
CN105529826B (en) A kind of portable simulation intelligent cell based on PXI buses
CN105553106A (en) Remote control closed-loop test method for intelligent substation
CN101881939A (en) Time synchronization device for electrical power system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20121114