CN208128268U - Multichannel TIME-FREQUENCY ANALYSIS instrument - Google Patents
Multichannel TIME-FREQUENCY ANALYSIS instrument Download PDFInfo
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- CN208128268U CN208128268U CN201820586483.1U CN201820586483U CN208128268U CN 208128268 U CN208128268 U CN 208128268U CN 201820586483 U CN201820586483 U CN 201820586483U CN 208128268 U CN208128268 U CN 208128268U
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Abstract
The utility model discloses multichannel TIME-FREQUENCY ANALYSIS instrument, including CPU master control administrative unit and power supply unit, further include：Time service unit recovers time signal from satellite system；Atomic clock tames unit, carries out taming to atomic clock using 1PPS signal and generates reference frequency and time signal；Reference frequency and time signal are switched to multichannel time interval comparing unit by time/frequency benchmark generation unit；Multichannel time interval comparing unit is connected with multi-channel Time receiving interface and channelized frequencies receiving interface, realizes that multichannel, than phase function, and is exported in real time than phase result by measured frequency and time signal and reference frequency and time signal.The utility model has the beneficial effects that：Multichannel can be received simultaneously by measured frequency and time signal, and performance test is synchronized to multi-channel Time, clock output interface, greatly improves testing efficiency；And test and in real time analysis are compared to a variety of times, clock output interface, facilitate carry out fault location.
Description
Technical field
The utility model relates to time and frequency measurement analytical equipment fields, more particularly to multichannel TIME-FREQUENCY ANALYSIS
Instrument.
Background technique
As network and business develop to full IPization, grouping conveying network will substitute transmission of the SDH network as mainstream and hold
Support grid network.On the one hand new business and new application will put forward higher requirements the net synchronization capability of network, on the other hand exist
Communication network from circuit switched type into packet switching type evolution process, compatibility to traditional TDM business and with traditional circuit type
The interconnection and interflow of network requires packet network and provides synchronization and the detector timing properties b of high quality, and the net synchronization capability of packet network will be straight
Connect be related to business can normal, stable operation.
Packet network synchronization system is made of Time and Frequency Synchronization equipment, grouping conveying network equipment/access device etc., is being produced
Manufacture link, factory joint debugging link needs detect the net synchronization capability consistency of corresponding equipment, while being also required to effectively
Ground promotes the efficiency of production detection, reduces cost.The especially production of time synchronism equipment, often have hundreds of clock,
Time output interface needs to synchronize the detection of performance, and the time-frequency that previous time-frequency testing instrument can only generally carry out single channel is special
Property measurement, the Time and Frequency Synchronization performance for testing multichannel is extremely spent human and material resources and the time cycle, causes current device manufacturer in life
The synchronous detection for producing manufacture link can only be carried out using sampling observation mode, can not carry out full inspection, bring certain matter to equipment production
Measure hidden danger.
Such as, a kind of Frequency tester, the Frequency tester includes prior art：Reference clock generation module,
To provide reference clock signal；Signal fusing module, to the marking signal that will be generated after Devices to test frequency test and survey
The different standard marking signals of examination instrument storage inside are compared；As a result output module, to export the Devices to test
Frequency test result.The program and similar scheme can not provide the performance test of multichannel Time and Frequency Synchronization and analysis.
Utility model content
In view of the above technical problems, the utility model provide multichannel TIME-FREQUENCY ANALYSIS instrument, can simultaneously to multichannel when
Between, clock output interface synchronize performance test；Test can be compared to a variety of times, clock output interface, and can
It is analyzed in real time, facilitates carry out fault location.
Multichannel TIME-FREQUENCY ANALYSIS instrument, including CPU master control administrative unit and power supply unit further include：
Time service unit connects the CPU master control administrative unit, for recovering time signal from satellite system, when described
Between signal include 1PPS signal and TOD signal；
Atomic clock tames unit, connects the time service unit and the CPU master control administrative unit, utilizes the 1PPS signal
It carries out taming to atomic clock and generates reference frequency and time signal；
Time/frequency benchmark generation unit, connecting multi-channel time interval comparing unit and the atomic clock tame unit,
The reference frequency and time signal are switched into the multichannel time interval comparing unit；
The multichannel time interval comparing unit is connect with the CPU master control administrative unit, and when being connected with multichannel
Between receiving interface and channelized frequencies receiving interface, multi-channel Time receiving interface acquisition and decoding multichannel be tested time signal,
Channelized frequencies receiving interface acquisition multichannel is tested frequency signal and goes forward side by side line frequency transformation；The multichannel time interval compares
Unit realize the multichannel by measured frequency and time signal and the reference frequency and time signal than phase function, and it is defeated in real time
Out than phase result.
Further：Further include time/frequency with reference to output unit, connects the time/frequency benchmark generation unit, institute
It states time/frequency benchmark generation unit and the reference frequency and time signal is switched into the time/frequency with reference to output list
After member, the time/frequency completes isolation amplification, the distribution of the reference frequency and time signal with reference to output unit, and
The transformation of different frequency signals and the generation of a variety of time signals.
Further：The reference frequency and time signal include 1PPS and 10MHz signal.
Further：Further include man-machine interaction unit, connect the CPU master control administrative unit, is used for interface display and sound
Answer user's operation.
Further：It is rubidium clock taming unit that the atomic clock, which tames unit,.
Further：The time service unit is GPS/BDS time service unit.
Compared with prior art, the utility model has the beneficial effects that：Multichannel can be received simultaneously to be believed by measured frequency and time
Number, performance test is synchronized to multi-channel Time, clock output interface, greatly improves testing efficiency；And to a variety of times, when
Clock output interface compares test and in real time analysis, facilitates carry out fault location.
Detailed description of the invention
Fig. 1 is multichannel TIME-FREQUENCY ANALYSIS instrument schematic diagram provided by the embodiment of the utility model.
It is numbered in figure：1, CPU master control administrative unit, 2, power supply unit, 3, time service unit, 4, the taming unit of atomic clock, 5,
Time/frequency benchmark generation unit, 6, multichannel time interval comparing unit, 7, time receiving interface, 8, frequency reception interface,
9, time/frequency refers to output unit, 10, man-machine interaction unit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Multichannel TIME-FREQUENCY ANALYSIS instrument, including CPU master control administrative unit 1 and power supply unit 2 further include：Time service unit
3, atomic clock tames unit 4, time/frequency benchmark generation unit 5 and multichannel time interval comparing unit 6.Time service unit 3,
Atomic clock tames unit 4, multichannel time interval comparing unit 6 is connect with CPU master control administrative unit 1 respectively, time service unit 3 with
Atomic clock is tamed unit 4 and is connected, and atomic clock is tamed unit 4 and connect with time/frequency benchmark generation unit 5, time/frequency benchmark
Generation unit 5 is connect with multichannel time interval comparing unit 6, and multi-channel Time receiving interface 7 is compared with multichannel time interval
Unit 6 connects, and channelized frequencies receiving interface 8 is connect with multichannel time interval comparing unit 6.Power supply unit 2 is that this is practical new
Type embodiment provides power supply, and CPU master control administrative unit 1 provides data acquisition, analysis, processing and the operation control function of system
Energy.
The utility model embodiment working principle, time service unit 3, time service unit 3 can be GPS/ in preferred embodiment
BDS time service unit recovers time signal from satellite system, and time signal includes 1PPS signal and TOD signal；Atomic clock is tamed
Unit 4 can be rubidium clock taming unit, carries out taming to atomic clock using 1PPS signal and generates reference frequency and time signal,
Such as generate stable 1PPS and 10MHz signal；Time/frequency benchmark generation unit 5, reference frequency and time signal are switched to
Multichannel time interval comparing unit 6；Multi-channel Time receiving interface 7 completes multichannel and is tested the input driving of time signal, signal
Acquisition and decoding function, channelized frequencies receiving interface 8 complete input driving, signal acquisition and the frequency that multichannel is tested frequency signal
Mapping function；Then multichannel time interval comparing unit 6 realize multichannel by measured frequency and time signal and reference frequency and when
Between signal than phase function, and exported in real time than phase result.
It further include time/frequency with reference to output unit 9, with time/frequency benchmark generation unit 5 in preferred embodiment
Reference frequency and time signal are switched to time/frequency with reference to output unit 9 by connection, time/frequency benchmark generation unit 5
Afterwards, time/frequency completes the isolation amplification, distribution and different frequency letter of reference frequency and time signal with reference to output unit 9
Number transformation and a variety of time signals generation.
Further include man-machine interaction unit 10 in preferred embodiment, is connect with CPU master control administrative unit 1, it is aobvious for interface
Show and respond user's operation, facilitates multichannel TIME-FREQUENCY ANALYSIS provided by user's intelligentized control method the utility model embodiment
Instrument.
After the utility model embodiment is real-time, multichannel can be received simultaneously by measured frequency and time signal, to multi-channel Time, when
Clock output interface synchronizes performance test, greatly improves testing efficiency；And a variety of times, clock output interface are carried out pair
Than test and real-time analysis, facilitate carry out fault location.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. multichannel TIME-FREQUENCY ANALYSIS instrument, including CPU master control administrative unit and power supply unit, which is characterized in that further include：
Time service unit connects the CPU master control administrative unit, for recovering time signal, the time letter from satellite system
Number include 1PPS signal and TOD signal；
Atomic clock tames unit, connects the time service unit and the CPU master control administrative unit, using the 1PPS signal to original
Secondary clock carries out taming and generates reference frequency and time signal；
Time/frequency benchmark generation unit, connecting multi-channel time interval comparing unit and the atomic clock tame unit, by institute
It states reference frequency and time signal switches to the multichannel time interval comparing unit；
The multichannel time interval comparing unit is connect with the CPU master control administrative unit, and is connected with multi-channel Time and is connect
Interface and channelized frequencies receiving interface are received, the multi-channel Time receiving interface acquisition and decoding multichannel are tested time signal, described
Channelized frequencies receiving interface acquisition multichannel be tested frequency signal go forward side by side line frequency transformation；The multichannel time interval comparing unit
Realize that the multichannel, than phase function, and exports ratio by measured frequency and time signal and the reference frequency and time signal in real time
Phase result.
2. multichannel TIME-FREQUENCY ANALYSIS instrument according to claim 1, it is characterised in that：It further include time/frequency reference
Output unit, connects the time/frequency benchmark generation unit, and the time/frequency benchmark generation unit is by the benchmark frequency
Rate and time signal switch to the time/frequency with reference to after output unit, and the time/frequency completes institute with reference to output unit
State the transformation of isolation amplification, distribution and the different frequency signals of reference frequency and time signal and the life of a variety of time signals
At.
3. multichannel TIME-FREQUENCY ANALYSIS instrument according to claim 1, it is characterised in that：The reference frequency and time letter
Number include 1PPS and 10MHz signal.
4. multichannel TIME-FREQUENCY ANALYSIS instrument according to claim 1, it is characterised in that：It further include man-machine interaction unit,
The CPU master control administrative unit is connected, for interface display and response user's operation.
5. multichannel TIME-FREQUENCY ANALYSIS instrument according to claim 1, it is characterised in that：The atomic clock tames unit
Rubidium clock taming unit.
6. multichannel TIME-FREQUENCY ANALYSIS instrument according to claim 1, it is characterised in that：The time service unit is GPS/
BDS time service unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820586483.1U CN208128268U (en) | 2018-04-24 | 2018-04-24 | Multichannel TIME-FREQUENCY ANALYSIS instrument |
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| CN201820586483.1U CN208128268U (en) | 2018-04-24 | 2018-04-24 | Multichannel TIME-FREQUENCY ANALYSIS instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696937A (en) * | 2022-03-18 | 2022-07-01 | 成都飞机工业（集团）有限责任公司 | High-precision synchronization device and synchronization method for distributed test system |
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2018
- 2018-04-24 CN CN201820586483.1U patent/CN208128268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696937A (en) * | 2022-03-18 | 2022-07-01 | 成都飞机工业（集团）有限责任公司 | High-precision synchronization device and synchronization method for distributed test system |
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Address after: 518000 B, 6 building, 3 factory building, 10 Nanshan District high tech Zone, Nanshan District, Shenzhen, China. Patentee after: Shenzhen Xiaguang time Technology Co., Ltd Address before: 518000 B, 6 building, 3 factory building, 10 Nanshan District high tech Zone, Nanshan District, Shenzhen, China. Patentee before: Shenzhen Xiaguang XP Co., Ltd. |