CN206531626U - A kind of optical cable measurements device of adaptive range - Google Patents
A kind of optical cable measurements device of adaptive range Download PDFInfo
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- CN206531626U CN206531626U CN201621491780.5U CN201621491780U CN206531626U CN 206531626 U CN206531626 U CN 206531626U CN 201621491780 U CN201621491780 U CN 201621491780U CN 206531626 U CN206531626 U CN 206531626U
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Abstract
The utility model discloses a kind of optical cable measurements device of adaptive range, including analog signal conditioner module, nonlinear frequency sweeping correction module, analog-to-digital conversion module, digital signal processing module and laser frequency control module, the analog signal conditioner module is connected by diversity device with testing fiber, the analog signal conditioner module is transmitted to nonlinear frequency sweeping correction module and analog-to-digital conversion module one way signal respectively, the laser frequency control module sends laser to testing fiber and analog signal conditioner module, the laser frequency control module, nonlinear frequency sweeping correction module and digital signal processing module have been bi-directionally connected interface processing module by controlling bus, the analog-to-digital conversion module and digital signal processing module are bi-directionally connected on interface processing module by data/address bus.The utility model can be according to the length of tested optical fiber, adjust automatically testing range.
Description
Technical field
The utility model is related to optical cable detection technique field, particularly a kind of optical cable measurements device of adaptive range.
Background technology
The technology of fiber laser arrays is ripe, and it is widely used among the maintenance of lightguide cable link, construction, can carry out light
The measurement of fine length, the transmission attenuation of optical fiber, joint decay and fault location etc..The technologies such as the measuring accuracy of optical fiber measurement equipments
Performance can also meet most of user and require, but also there are many sides for needing to improve and optimize in practical operation utilization
Face.Such as need to set measurement range when measuring optical fiber, if measurement range is less than tested optical fiber length, it can not just measure
It can not also confirm the length of tested optical fiber under fiber condition, many test environments, need to continuously attempt to different test volumes during test
Journey, influences testing efficiency.
The content of the invention
For problems of the prior art, the utility model provide it is a kind of can according to the length of tested optical fiber, from
Dynamic adjustment testing range, sets testing range, without because that can not confirm quilt manually during without test different length optical fiber every time
In the case of surveying fiber lengths, the optical cable measurements device of the adaptive range of different range estimation fiber lengths is repeatedly tested.
The purpose of this utility model is achieved through the following technical solutions.
A kind of optical cable measurements device of adaptive range, including analog signal conditioner module, nonlinear frequency sweeping correction module,
Analog-to-digital conversion module, digital signal processing module and laser frequency control module, the analog signal conditioner module pass through diversity
Device is connected with testing fiber, and the analog signal conditioner module is respectively to nonlinear frequency sweeping correction module and analog-to-digital conversion module
One way signal is transmitted, and the laser frequency control module sends laser to testing fiber and analog signal conditioner module, described to swash
Light frequency control module, nonlinear frequency sweeping correction module and digital signal processing module have been bi-directionally connected interface by controlling bus
Processing module, the analog-to-digital conversion module and digital signal processing module are bi-directionally connected in interface processing module by data/address bus
On.
Compared to prior art, the utility model has the advantage of：The utility model can according to the length of tested optical fiber, from
Dynamic adjustment testing range, sets testing range, without because that can not confirm quilt manually during without test different length optical fiber every time
In the case of surveying fiber lengths, different range estimation fiber lengths are repeatedly tested.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
With reference to Figure of description and specific embodiment, the utility model is described in detail.
As shown in figure 1, a kind of optical cable measurements device of adaptive range, including analog signal conditioner module, non-linear sweep
Frequency correction module, analog-to-digital conversion module ADC, digital signal processing module and laser frequency control module, the analog signal are adjusted
Reason module is connected by diversity device with testing fiber, and the analog signal conditioner module is respectively to nonlinear frequency sweeping correction module
With the transmission of analog-to-digital conversion module one way signal, the laser frequency control module sends laser to testing fiber and analog signal and adjusted
Module is managed, the laser frequency control module, nonlinear frequency sweeping correction module and digital signal processing module pass through controlling bus
Interface processing module is bi-directionally connected, the analog-to-digital conversion module and digital signal processing module are bi-directionally connected by data/address bus
On interface processing module.
Interface processing module is used to set range or adjusts the scope of X-axis, and is transferred to laser frequency by controlling bus
Control module, nonlinear frequency sweeping correction module and digital signal processing module, the data that data/address bus transmission comes are shown.
Claims (1)
1. a kind of optical cable measurements device of adaptive range, including analog signal conditioner module, nonlinear frequency sweeping correction module, mould
Number modular converter, digital signal processing module and laser frequency control module, the analog signal conditioner module pass through diversity device
It is connected with testing fiber, the analog signal conditioner module is respectively to nonlinear frequency sweeping correction module and analog-to-digital conversion module list
Transmitted to signal, the laser frequency control module sends laser to testing fiber and analog signal conditioner module, and its feature exists
Pass through the two-way company of controlling bus in the laser frequency control module, nonlinear frequency sweeping correction module and digital signal processing module
Interface processing module is connected to, the analog-to-digital conversion module and digital signal processing module are bi-directionally connected at interface by data/address bus
In processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491780.5U CN206531626U (en) | 2016-12-30 | 2016-12-30 | A kind of optical cable measurements device of adaptive range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491780.5U CN206531626U (en) | 2016-12-30 | 2016-12-30 | A kind of optical cable measurements device of adaptive range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531626U true CN206531626U (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621491780.5U Active CN206531626U (en) | 2016-12-30 | 2016-12-30 | A kind of optical cable measurements device of adaptive range |
Country Status (1)
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| CN (1) | CN206531626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644400A (en) * | 2016-12-30 | 2017-05-10 | 江苏骏龙光电科技股份有限公司 | Adaptive-range optical cable measuring device |
-
2016
- 2016-12-30 CN CN201621491780.5U patent/CN206531626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644400A (en) * | 2016-12-30 | 2017-05-10 | 江苏骏龙光电科技股份有限公司 | Adaptive-range optical cable measuring device |
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