CN204046606U - Optical cable and optical fibres serial connection checkout gear - Google Patents
Optical cable and optical fibres serial connection checkout gear Download PDFInfo
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- CN204046606U CN204046606U CN201420327360.8U CN201420327360U CN204046606U CN 204046606 U CN204046606 U CN 204046606U CN 201420327360 U CN201420327360 U CN 201420327360U CN 204046606 U CN204046606 U CN 204046606U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 178
- 239000013307 optical fiber Substances 0.000 claims abstract description 84
- 239000000835 fiber Substances 0.000 claims abstract description 57
- 230000009191 jumping Effects 0.000 claims abstract description 48
- 238000005452 bending Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 abstract description 48
- 238000001514 detection method Methods 0.000 abstract description 21
- 229940085805 fiberall Drugs 0.000 abstract description 5
- 238000003491 array Methods 0.000 abstract description 4
- 238000000253 optical time-domain reflectometry Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The utility model provides a kind of optical cable and optical fibres serial connection checkout gear, by the optical fiber connector, one end of this optical fiber to be tested, jumping fiber are connected with other optical fiber to be tested head and the tail, optical time domain reflectometer is utilized to test in one end of optical cable and optical fibres to be tested, obtain optical test path curve, according to the data parameters of described optical test path curve acquisition optical cable and optical fibres, can detect many optical fiber, quick positioning question optical fiber, fugitive rate consuming time is high simultaneously; And not need tail optical fiber all external during each fiber laser arrays, with the impact of dead zone-eliminating, to increase the time of detection further, improve detection efficiency; The convenient tie point middle to optical cable and optical fibres and two end connectors carry out two-way test.
Description
Technical field
The utility model relates to technical field of photo communication, relates to a kind of optical cable and optical fibres serial connection checkout gear particularly.
Background technology
Fiber cable network is the foundation stone of present information transmission, along with the carrying out of China's informatization, optical cable installation carries out in a large number, in order to ensure the open-minded smoothly of communications facility project quality and communication service in the future, need to detect the optical cable of completion, test data such as cable length, line loss, splicing losses, these data can as the capsule information of operation maintenance in the future.
At present, more optical cable detection method is adopted to be absolute power mensuration and back-scatteringme thod.Absolute power mensuration is mainly by being connected to red light source and the light power meter at tested optical cable and optical fibres two ends, total attenuation of optical cable fibre core is measured according to luminous power and the absolute power receiving luminous power difference, this method can only be tested total attenuation of optical cable and optical fibres, can not obtain other parameter of optical cable.Scattering method is mainly through optical time domain reflectometer (OTDR backward, Optical Time Domain Reflectmeter), it is connected to tested optical cable and optical fibres one end, is measured the length, line loss, splicing loss etc. of optical cable by the backscattering of the transmission light obtaining optical fiber.
OTDR be optical cable project construction and fiber optic cable maintenance work in most important be also the test instrumentation that frequency of utilization is the highest, it can by the fine status of optical fiber link and malfunction, in graph form clear, show intuitively, the information such as length, line loss, splice loss, splice attenuation, fusion point and the position of failure point obtaining optical fiber can be measured easily.In prior art when using OTDR to detect optical cable, be merely able to detect for simple optical fiber, long-acting rate consuming time is low.Further, OTDR and optical fiber splice part can cause OTDR detection to there is blind area, affect certainty of measurement.Although, carried out the impact of dead zone-eliminating in prior art by the mode of tail optical fiber external between OTDR and optical fiber, if carrying out for each optical fiber all external tail optical fiber when detecting, increasing again the duration needed for detection further, reducing efficiency.
Utility model content
For this reason, technical problem to be solved in the utility model is that the method detection efficiency for optical cable and optical fibres detection in prior art is low, thus proposes a kind of optical cable and optical fibres serial connection checkout gear that can improve detection efficiency.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of optical cable and optical fibres serial connection checkout gear, comprising:
Optical time domain reflectometer, at least two jumping fibers and the optical fiber connector; Described optical time domain reflectometer signal end is connected with one end of an optical fiber to be tested, the other end of this optical fiber to be tested, described jumping fiber is connected with other optical fiber to be tested head and the tail by the optical fiber connector.
Above-mentioned optical cable and optical fibres serial connection checkout gear, also comprises:
Jumping fiber folder row, is provided with some hole clippings, and jumping fiber is through fixing by described jumping fiber folder row after described hole clipping.
Above-mentioned optical cable and optical fibres serial connection checkout gear, described jumping fiber folder row is spliced by first folder row's parts and the second folder row parts and is formed.
Above-mentioned optical cable and optical fibres serial connection checkout gear, described jumping fiber keeps certain radius of curvature when connection two optical fiber, and described radius of curvature is greater than the minimum bending radius of described jumping fiber.
Technique scheme of the present utility model has the following advantages compared to existing technology
(1) optical cable and optical fibres serial connection checkout gear described in the utility model, by the optical fiber connector, one end of this optical fiber to be tested, jumping fiber are connected with other optical fiber to be tested head and the tail, optical time domain reflectometer is utilized to test in one end of optical cable and optical fibres to be tested, obtain optical test path curve, according to the data parameters of described optical test path curve acquisition optical cable and optical fibres, can detect many optical fiber, quick positioning question optical fiber, fugitive rate consuming time is high simultaneously; And not need tail optical fiber all external during each fiber laser arrays, with the impact of dead zone-eliminating, to increase the time of detection further, improve detection efficiency; The convenient tie point middle to optical cable and optical fibres and two end connectors carry out two-way test.
(2) optical cable and optical fibres serial connection checkout gear described in the utility model, adopt jumping fiber folder row can realize being fixed jumping fiber, arrangement effect, prevents jumper connection mistake, and the upper hole clipping arranged of jumping fiber folder row can customize according to the quantity of jumping fiber.
(3) optical cable and optical fibres serial connection checkout gear described in the utility model, described jumping fiber folder row is spliced by first folder row's parts and the second folder row parts and is formed, and supports splicing, also can be easy to use in a fairly large number of situation of optical cable and optical fibres to be tested.
(4) optical cable and optical fibres serial connection checkout gear described in the utility model, described jumping fiber keeps certain radius of curvature when connection two optical fiber, can prevent the bending loss of jumping fiber.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is a kind of optical cable and optical fibres serial connection checkout gear schematic diagram of the utility model embodiment;
Fig. 2 is the jumping fiber folder row in a kind of optical cable and optical fibres serial connection checkout gear of the utility model embodiment;
Fig. 3 is a kind of optical cable and optical fibres serial connection detection method flow chart of the utility model embodiment;
Fig. 4 is that a kind of optical cable and optical fibres serial connection of the utility model embodiment detects enforcement schematic diagram;
Fig. 5 is a kind of OTDR test curve applying optical cable and optical fibres serial connection detection method of the utility model embodiment;
Fig. 6 is that a kind of the application when optical cable and optical fibres is connected in series detection method of the utility model embodiment exists disconnected fine OTDR test curve.
In figure, Reference numeral is expressed as: 1-optical time domain reflectometer, 2-jumping fiber, the 3-optical fiber connector, 4-jumping fiber folder is arranged, 5-light is joined, 6-optical fiber to be tested, 7-optical cable, 8-hole clipping.
Embodiment
Embodiment 1
Present embodiments provide a kind of optical cable and optical fibres serial connection checkout gear, as shown in Figure 1, comprise optical time domain reflectometer 1, at least two jumping fibers 2 and the optical fiber connector 3; The signal end of described optical time domain reflectometer 1 is connected with one end of an optical fiber 6 to be tested, the other end of this optical fiber 6 to be tested, described jumping fiber 2 is connected with other optical fiber to be tested head and the tail by the optical fiber connector 3.
Wherein said optical fiber to be tested many optical fiber that can be whole piece optical cable and optical fibres also can be on an optical cable, a complete path channels can be formed after all optical fiber to be tested head and the tail have been connected, for convenience of simplified illustration diagram, 6 optical fiber serial connection schematic diagrames in an optical cable are only drawn in figure, jumper connection is between two carried out at the two ends of optical cable 7, and two ends are carried out wrong jumper connection, one end that optical time domain reflectometer 1 need connect tested optical cable 7 just can be detected.
Due to the reason on test philosophy and optical fiber structure, the phenomenon of false gain is there will be with the unidirectional test of optical time domain reflectometer 1, correspondingly also there will be the phenomenon of false attenuation, for a joint of optical cable, accurately its real attenuation value could be reflected with the mathematical mean of both direction pad value.Use optical cable and optical fibres serial connection checkout gear conveniently can carry out two-way test to splicing point in the middle of optical cable and two end connectors, and can the quality of accurate evaluation joint.
Optical cable and optical fibres checkout gear also comprises:
Jumping fiber folder row 4, be provided with some hole clippings 8, jumping fiber 2 is fixed by described jumping fiber folder row 4 through after described hole clipping 8, as shown in Figure 2, adopt jumping fiber folder row 4 can realize being fixed jumping fiber 2, arrangement effect, prevents jumper connection mistake, and the hole clipping 8 that jumping fiber folder row 4 is arranged can customize according to the quantity of jumping fiber 2.
Described jumping fiber folder row 4 is spliced by first folder row's parts and the second folder row parts and is formed, support splicing, also the 3rd folder row parts, the 4th folder row parts etc. can be had when needs, so also can be easy to use in a fairly large number of situation of optical cable and optical fibres to be tested.
Described jumping fiber 2 keeps certain radius of curvature when connection two optical fiber, and described radius of curvature is greater than the minimum bending radius of described jumping fiber 2, can prevent the bending loss of jumping fiber 2.Under minimum bending radius just refers to the prerequisite ensureing that optical fiber does not have loss or loss very little when bending, the smallest circle angular radius that optical fiber can curve.Different optical fiber minimum bending radius is also different, the minimum bending radius of some optical fiber is tens millimeters, the minimum bending radius of some optical fiber is twenties millimeters, the minimum bending radius of some optical fiber is 30 millimeters, such as jumping fiber 2 can choose G652 optical fiber, and its minimum bending radius is 30mm.30mm is the maximum in all optical fiber minimum bending radius values.Preferably, the bending loss of jumping fiber 2 can just be prevented when the radius of curvature of jumping fiber 2 is greater than 30mm.Described jumping fiber 2 can have polytype according to the difference of the described optical fiber connector 3, and generally choose slightly thicker than common jumping fiber, the jumping fiber that toughness is larger, effectively can prevent the bending loss of jumping fiber.
The bayonet socket of the described optical fiber connector 3 have passed through certain improvement, fast and easy can carry out plug, save time, raise the efficiency when two-way test and emphasis detect.
The optical cable and optical fibres serial connection checkout gear that the present embodiment provides, by the optical fiber connector 3, one end of this optical fiber 6 to be tested, jumping fiber 2 are connected with other optical fiber to be tested head and the tail, optical time domain reflectometer 1 is utilized to test in one end of optical cable and optical fibres to be tested, can detect many optical fiber simultaneously, quick positioning question optical fiber, fugitive rate consuming time is high; And not need tail optical fiber all external during each fiber laser arrays, with the impact of dead zone-eliminating, to increase the time of detection further, improve detection efficiency; The convenient tie point middle to optical cable and optical fibres and two end connectors carry out two-way test.
Embodiment 2
Present embodiments provide a kind of optical cable and optical fibres serial connection detection method, as shown in Figure 3, comprise the steps:
S1: utilize the optical cable and optical fibres described in embodiment 1 to be connected in series checkout gear and head and the tail connection is carried out to optical cable and optical fibres to be tested, as shown in Figure 4, from the 1st article of optical fiber, join 5 at light at one end optical cable and optical fibres serial connection checkout gear of optical cable 7 successively and carry out jumper connection between two, can to optical cable and optical fibres to be tested, once all jumper connection be complete according to the method, for simplified illustration diagram, in the present embodiment, only serial connection test is carried out to 6 optical fiber of an optical cable.At optical cable 7 other end i.e. test lead, from the 2nd article of optical fiber of optical cable 7, join 5 at light successively carry out jumper connection between two, after jumper connection, whole jumper connection optical cable and optical fibres can form complete optical path passage: an A ~ A ' ~ B ' ~ B ~ C ~ C ' ~ D ' ~ D ~ E ~ E ' ~ F ' ~ F, wherein A, A ', B ', B, C, C ', D ', D, E, E ', F ', F be that the light of optical cable and optical fibres joins mouth.
S2: utilize optical time domain reflectometer 1 to test in one end of optical cable and optical fibres to be tested, obtain optical test path curve, on-the-spot test staff from the 1st article of optical fiber, namely can join A mouth from light and connects optical time domain reflectometer 1, set suitable test parameter, the light path of serial connection is tested.
If serial connection formed path channels intact and select optical time domain reflectometer range, the parameters such as pulse duration are suitable, then can obtain the optical test path of OTDR shown in Fig. 5 curve, its transverse axis is optical system for testing length (unit is km), the longitudinal axis is the attenuation (unit be dB) of light path in test wavelength, every bar tested optical fiber can be distinguished according to the Fresnel reflection peak value stated on optical test path curve, if D ~ D ' bar optical fiber of tested optical cable occurs disconnected fine, then its OTDR optical test path curve as shown in Figure 6, as can be seen from the figure, its disconnected fine information is directly reacted on OTDR optical test path curve, so, optical cable and optical fibres serial connection detection method only needs an OTDR test, get final product the problem optical fiber of locating optical cable.
S3: according to the data parameters of described optical test path curve acquisition optical cable and optical fibres, described data parameters comprises cable length, line loss and splicing loss.The data parameters that corresponding optical test path curve obtains corresponding optical fiber is chosen respectively for every bar optical fiber, such as need test b ' ~ B bar optical fiber, on optical test path curve, just choose the optical test path curve of B ' ~ B section, then optical time domain reflectometer directly demonstrates the length of B ' ~ B bar optical fiber, line loss and splicing loss.
Join after A mouth place is completed at light, F mouth can be joined from light and connect optical time domain reflectometer, set suitable test parameter, negative testing is carried out to the light path of serial connection, in order to false gain when dead zone-eliminating and test and false attenuation phenomenon.Emphasis detection can be carried out to arbitrary optical fiber when optical cable and optical fibres detects, as stress test need be carried out to C ~ C ' ~ D ' ~ D light path, place can be joined at test lead light optical cable to be connected in series the optical fiber connector that checkout gear joins C mouth at light and to pull up, optical time domain reflectometer is connected light and join C mouth, and disconnect the optical fiber connector that light joins D mouth place, reduce optical time domain reflectometer test pulse width, it is carefully surveyed.In like manner, if the optical path length that optical cable and optical fibres serial connection detects is when exceeding optical time domain reflectometer range, the appropriate location that optical fiber interface device is joined at test lead light can be opened, then connect optical time domain reflectometer and test.
The optical cable and optical fibres serial connection detection method that the present embodiment provides, by the optical fiber connector, one end of this optical fiber to be tested, jumping fiber are connected with other optical fiber to be tested head and the tail, optical time domain reflectometer is utilized to test in one end of optical cable and optical fibres to be tested, obtain optical test path curve, according to the data parameters of described optical test path curve acquisition optical cable and optical fibres, can detect many optical fiber, quick positioning question optical fiber, fugitive rate consuming time is high simultaneously; And not need tail optical fiber all external during each fiber laser arrays, with the impact of dead zone-eliminating, to increase the time of detection further, improve detection efficiency; The convenient tie point middle to optical cable and optical fibres and two end connectors carry out two-way test.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (4)
1. an optical cable and optical fibres serial connection checkout gear, is characterized in that, comprising:
Optical time domain reflectometer, at least two jumping fibers and the optical fiber connector; Described optical time domain reflectometer signal end is connected with one end of an optical fiber to be tested, the other end of this optical fiber to be tested, described jumping fiber is connected with other optical fiber to be tested head and the tail by the optical fiber connector.
2. optical cable and optical fibres serial connection checkout gear according to claim 1, is characterized in that, also comprise:
Jumping fiber folder row, is provided with some hole clippings, and jumping fiber is through fixing by described jumping fiber folder row after described hole clipping.
3. optical cable and optical fibres serial connection checkout gear according to claim 2, is characterized in that:
Described jumping fiber folder row is spliced by first folder row's parts and the second folder row parts and is formed.
4., according to claim 1-3 arbitrary described optical cable and optical fibres serial connection checkout gear, it is characterized in that:
Described jumping fiber keeps certain radius of curvature when connection two optical fiber, and described radius of curvature is greater than the minimum bending radius of described jumping fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327360.8U CN204046606U (en) | 2014-06-18 | 2014-06-18 | Optical cable and optical fibres serial connection checkout gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327360.8U CN204046606U (en) | 2014-06-18 | 2014-06-18 | Optical cable and optical fibres serial connection checkout gear |
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| CN204046606U true CN204046606U (en) | 2014-12-24 |
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| CN201420327360.8U Expired - Fee Related CN204046606U (en) | 2014-06-18 | 2014-06-18 | Optical cable and optical fibres serial connection checkout gear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104433A (en) * | 2014-06-18 | 2014-10-15 | 国网山东省电力公司青岛供电公司 | Optical cable fiber series connection detection device and method |
| CN110138445A (en) * | 2019-05-24 | 2019-08-16 | 广东电网有限责任公司 | The regular inspection test method of vacant optical fiber |
| CN110166128A (en) * | 2019-05-24 | 2019-08-23 | 广东电网有限责任公司 | Communications network system |
-
2014
- 2014-06-18 CN CN201420327360.8U patent/CN204046606U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104433A (en) * | 2014-06-18 | 2014-10-15 | 国网山东省电力公司青岛供电公司 | Optical cable fiber series connection detection device and method |
| CN110138445A (en) * | 2019-05-24 | 2019-08-16 | 广东电网有限责任公司 | The regular inspection test method of vacant optical fiber |
| CN110166128A (en) * | 2019-05-24 | 2019-08-23 | 广东电网有限责任公司 | Communications network system |
| CN110166128B (en) * | 2019-05-24 | 2021-11-30 | 广东电网有限责任公司 | Communication network system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20200618 |