CN204086602U - A kind of reflector structure - Google Patents
A kind of reflector structure Download PDFInfo
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- CN204086602U CN204086602U CN201420590411.6U CN201420590411U CN204086602U CN 204086602 U CN204086602 U CN 204086602U CN 201420590411 U CN201420590411 U CN 201420590411U CN 204086602 U CN204086602 U CN 204086602U
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Abstract
The utility model relates to optical communication field, disclose a kind of reflector structure and comprise fixed sturcture, optical fiber group and filtering diaphragm group, be provided with at least one kapillary or V-type groove in this fixed sturcture, fixed sturcture offers at least one groove along on kapillary or V-type groove; Optical fiber group comprises at least one optical fiber, and this optical fiber is made up of at least two sections of fiber segments, is placed in kapillary in fixed sturcture or V-type groove; Filtering diaphragm group comprises at least one filtering diaphragm, is located in groove, and between each fiber segment of optical fiber group, each fiber segment is docked mutually respectively by filtering diaphragm.The utility model is by being located in a fixed sturcture by fiber segment, and slot on fixed sturcture, between groove inner fiber section, plug filtering diaphragm form reverberator, plugging by controlling diaphragm the control that angle can realize optical fiber transmission signal light return loss, having that structure is simple, efficiency of assembling is high, good stability, loss are little, low cost and other advantages.
Description
Technical field
The utility model relates to optical communication field, particularly relates to the reflector structure in a kind of PON.
Background technology
Optical communication technology is full-fledged, and the construction of EPON (Passive Optical Network) PON is constantly expanded, and thus seems particularly important to the installation of PON and maintenance.The character of the rapid failure judgement of maintainer, position is needed, to repair in time in the maintenance of PON.Wherein, the management of OLS photosphere is mainly opened the light by OTDR optical time domain reflectometer, light, WDM, reverberator form.OTDR plays an important role in the test, localization of fault, troubleshooting etc. of fiber optic network, its working method is coupled in link by WDM by test light, and by reverberator, test signal is reflexed to OTDR, thus monitor state and the fault location of this link.In every bar link, all need a reverberator, the reverberator used at present mainly utilizes fiber grating to make, and its cost is relatively high.
Summary of the invention
The purpose of this utility model is, proposes the reflector structure in a kind of PON, has that structure is simple, efficiency of assembling is high, good stability, loss are little, low cost and other advantages.
For achieving the above object, the technical scheme that the utility model provides is: a kind of reflector structure, comprises fixed sturcture, optical fiber group and filtering diaphragm group; Be provided with at least one kapillary or V-type groove in described fixed sturcture, this fixed sturcture offers at least one groove along on kapillary or V-type groove; Described optical fiber group comprises at least one optical fiber, and a described optical fiber is made up of at least two sections of fiber segments, is placed in kapillary in described fixed sturcture or V-type groove; Described filtering diaphragm group comprises at least one filtering diaphragm, is located in described groove, and between each fiber segment of described optical fiber group, each fiber segment is docked mutually respectively by filtering diaphragm.
Further, described fixed sturcture is a fiber stub, is provided with at least one kapillary in this fiber stub, the built-in described optical fiber group of kapillary, and fiber stub offers at least one groove along kapillary, is at least two sections of fiber segments by described optical fiber component; Described filtering diaphragm is placed in each groove.
Further, described fiber stub is ceramic insertion core, metal lock pin or glass lock pin.
Further, a standard fiber lock pin and a sleeve pipe is also comprised; Described fiber stub docks in sleeve pipe with standard fiber lock pin.
Further, described sleeve pipe is positioned at fiber stub and standard fiber lock pin joint is provided with a hole for injecting glue, by toward injecting glue in hole for injecting glue, fiber stub and standard fiber lock pin is fixed in sleeve pipe.
Further, described sleeve pipe one end is provided with a buckle; Described sleeve pipe is metal tube or ceramic pipe.
Further, described fixed sturcture comprises a V-type frid and a briquetting; Described V-type frid is provided with at least one V-type groove; Described optical fiber group is placed in V-type groove, and described briquetting is placed on V-type frid; Briquetting and V-type frid offer at least one groove along V-type groove, are at least two sections of fiber segments by described optical fiber component; Described filtering diaphragm is placed in each groove.
Further, described filtering diaphragm is vertical or favour fiber segment end face and be placed in groove.
Further, described filtering diaphragm is by being adhesively fixed in groove.
Further, described groove is a step trough, offers the vat that width is greater than filtering diaphragm thickness on fixed sturcture, offers the width sulculus consistent with filtering diaphragm thickness at large trench bottom; Described large trench bottom on described kapillary or V-type groove, kapillary or V-type groove described in described sulculus crosscut; Or described recess width is consistent with filtering diaphragm thickness, kapillary described in crosscut or V-type groove.
The beneficial effects of the utility model are: by fiber segment being located in a fixed sturcture, and slot on fixed sturcture, between groove inner fiber section, plug filtering diaphragm form reverberator, plug angle realize control to optical fiber transmission signal light return loss by controlling diaphragm, have that structure is simple, efficiency of assembling is high, good stability, loss are little, low cost and other advantages.
Accompanying drawing explanation
Fig. 1 is the utility model reflector structure embodiment one schematic diagram;
Fig. 2 is the utility model reflector structure embodiment two schematic diagram;
Fig. 3 is the utility model reflector structure embodiment three schematic diagram;
Fig. 4 is the utility model reflector structure embodiment four schematic diagram;
Fig. 5 is the utility model reflector structure embodiment five schematic diagram;
Fig. 6 is the utility model reflector structure embodiment six schematic diagram.
Accompanying drawing indicates: 100, fiber stub; 101, kapillary; 102, groove; 103, vat; 104, sulculus; 200, optical fiber; 300, filtering diaphragm; 400, fixed sturcture; 401, V-type frid; 402, briquetting; 403, groove; 404, V-type groove; 500, standard fiber lock pin; 600, metal tube; 601, hole for injecting glue; 700, buckle.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
The utility model is by being located in a fixed sturcture by fiber segment, and slot on fixed sturcture, between groove inner fiber section, plug filtering diaphragm form reverberator, plug angle realize control to optical fiber transmission signal light return loss by controlling diaphragm, have that structure is simple, efficiency of assembling is high, good stability, loss are little, low cost and other advantages.Concrete, this reflector structure comprises fixed sturcture, optical fiber group and filtering diaphragm group.Wherein, be provided with at least one kapillary or V-type groove in fixed sturcture, this fixed sturcture offers at least one groove along on kapillary or V-type groove; Optical fiber group comprises at least one optical fiber, and this optical fiber is made up of at least two sections of fiber segments, is placed in kapillary in fixed sturcture or V-type groove; Filtering diaphragm group comprises at least one filtering diaphragm, is located in groove, and between each fiber segment of optical fiber group, each fiber segment is docked mutually respectively by filtering diaphragm.
Embodiment one as shown in Figure 1, what in this embodiment, fixed sturcture adopted is a fiber stub 100, a kapillary 101 is established in fiber stub 100, an optical fiber 200 is worn in kapillary 101, fiber stub 100 is offered a groove 102, crosscut kapillary 101 and optical fiber 200, be cut into two sections by optical fiber 200; Or directly in the kapillary 101 of groove 102 both sides, wear optical fiber 200 respectively.A filtering diaphragm 300 is plugged in groove 102, preferably, this filtering diaphragm 300 selects ultra-thin filtering diaphragm, and its thickness is in tens micron dimensions, the width of groove 102 is suitable with this filtering diaphragm 300 thickness, and the optical fiber 200 of groove 102 both sides is docked mutually by filtering diaphragm 300.Adopt ultra-thin filtering diaphragm, the gap between two sections of optical fiber 200 can be reduced as far as possible, to reduce the optical coupling loss between two sections of optical fiber 200.Filtering diaphragm 300 is between two sections of optical fiber 200, and is fixed in groove 102 with glue, and the refractive index of the glue adopted and the refractive index of optical fiber match, and reduces the coupling loss of two optical fiber further.
Embodiment two as shown in Figure 2, with embodiment one unlike, in embodiment one, filtering diaphragm 300 is located in groove 102 perpendicular to optical fiber, and the groove 102 in this embodiment has certain angle of inclination, the filtering diaphragm 300 be fixed in groove 102 is also arranged in certain angle of inclination.The groove 102 arranging differing tilt angles as required, to control filtering diaphragm 300 and the relative angle of optical fiber 200, can reach different return light loss, realize the control to return light.Fiber stub 100 both ends of the surface are carried out polishing grinding, and fiber stub 100 are assembled into the fixed attenuator form of standard, by porcelain bushing or wire jumper adapter realize fiber stub directly and wire jumper to directly.Business light exports from fiber stub transmission end, and monitoring light returns from its input end.
Embodiment three as shown in Figure 3, with enforcement one unlike, in a fiber stub 100, two kapillaries 101 are provided with in this embodiment, optical fiber 200 is worn respectively in kapillary 101, the groove 102 that fiber stub 100 starts is crosscut two kapillary 101 and optical fiber 200 simultaneously, inserts a filtering diaphragm 300 and can realize two reverberators and walk abreast in groove 102.Same, the reverberator that can arrange more than three or three in same fiber stub 100 walks abreast.Optical fiber 200 extends fiber stub two ends respectively, can realize the connection with other device or equipment by the mode of fused fiber splice.
Embodiment four as shown in Figure 4, with embodiment one unlike, groove in this embodiment is a step trough, offers the vat 103 that width is greater than filtering diaphragm 300 thickness on fiber stub 100, offers the sulculus 104 of width and filtering diaphragm 300 consistency of thickness bottom vat 103.Bottom vat 103 on kapillary 101, sulculus 104 crosscut kapillary 101 and optical fiber 200.Because the width of groove (sulculus) is suitable with filtering diaphragm thickness, only there are tens microns, so the blade of fluting also needs very thin, excessively thin blade possibility depth of cut limited.In this embodiment, be provided with vat in step trough, its width is unrestricted, offers the width sulculus suitable with filtering diaphragm again at large trench bottom, and overcome fluting blade excessively thin, depth of cut is limited, and the depth of cut caused cannot reach the problem of projected depth.
Fiber stub 100 in the various embodiments described above can be ceramic insertion core, metal lock pin or glass lock pin etc., and the optical fiber 200 of filtering diaphragm 300 both sides docks in same kapillary 101, and fiber stub kapillary concentricity thus can be avoided the impact of IL.
Embodiment five as shown in Figure 5, in this embodiment, fixed sturcture 400 comprises V-type frid 401 and a briquetting 402; V-type frid 401 is provided with one group of V-type groove 404; Each optical fiber 200 of optical fiber group is put respectively respectively in V-type groove 404, and briquetting 402 is placed on V-type frid 401, and blend compounds cementation is fixed; Briquetting 402 and V-type frid 401 crosscut V-type groove 404 offer a groove 403, and each optical fiber 200 of optical fiber group is divided into two sections of fiber segments; One filtering diaphragm 300 is placed in groove 403, and blend compounds is fixed in groove 403.This structure only need assemble a filtering diaphragm just can realize the parallel function of multiple reverberator, and manufacture craft is simple, and integration is strong, and cost is low.The optical fiber at V-type groove two ends extends outside V-type groove respectively, can realize the connection with other device or equipment by the mode of fused fiber splice.
Same, the groove that also can arrange differing tilt angles in this embodiment five as required, to control the relative angle of filtering diaphragm and optical fiber, reaches different return light loss, realizes the control to return light.Groove also can be set to as the step trough form in embodiment four, its large trench bottom on V-type groove, sulculus crosscut V-type groove and optical fiber.
In the various embodiments described above, also can offer multiple groove along kapillary or V-type groove simultaneously, filtering diaphragm is set in each groove, form the cascade of multiple filtering diaphragm, realize multi-cascade reverberator.
Be illustrated in figure 6 the embodiment six of the utility model reflector structure, the reverberator of the reflector structure made by above-mentioned fiber stub 100 and the fixed attenuator form of standard fiber lock pin 500 standard of being linked and packed into.The reverberator of this fixed attenuator form is on the basis of arbitrary reflector structure of above-described embodiment one to four, recycle a sleeve pipe, as metal tube 600 etc., fiber stub 100 and an other standard fiber lock pin 500 are fixed together, this fiber stub 100 manages interior docking with standard fiber lock pin 500 at metal 600, metal tube 600 is positioned at two fiber stub joints and is provided with a hole for injecting glue 601, and two fiber stubs are fixed in metal tube 600 by injecting glue in hole for injecting glue 601.Preferably, one end of metal tube 600 can arrange a buckle 700, further fixed fiber lock pin.The reverberator that polishing can realize the fixed attenuator form of standard is carried out to the fiber stub end face assembled.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; in the form and details to the various changes that the utility model is made, be protection domain of the present utility model.
Claims (10)
1. a reflector structure, is characterized in that: comprise fixed sturcture, optical fiber group and filtering diaphragm group; Be provided with at least one kapillary or V-type groove in described fixed sturcture, this fixed sturcture offers at least one groove along on kapillary or V-type groove; Described optical fiber group comprises at least one optical fiber, and a described optical fiber is made up of at least two sections of fiber segments, is placed in kapillary in described fixed sturcture or V-type groove; Described filtering diaphragm group comprises at least one filtering diaphragm, is located in described groove, and between each fiber segment of described optical fiber group, each fiber segment is docked mutually respectively by filtering diaphragm.
2. reflector structure as claimed in claim 1, it is characterized in that: described fixed sturcture is a fiber stub, at least one kapillary is provided with in this fiber stub, the built-in described optical fiber group of kapillary, fiber stub offers at least one groove along kapillary, is at least two sections of fiber segments by described optical fiber component; Described filtering diaphragm is placed in each groove.
3. reflector structure as claimed in claim 2, is characterized in that: described fiber stub is ceramic insertion core, metal lock pin or glass lock pin.
4. reflector structure as claimed in claim 2, is characterized in that: also comprise a standard fiber lock pin and a sleeve pipe; Described fiber stub docks in sleeve pipe with standard fiber lock pin.
5. reflector structure as claimed in claim 4, is characterized in that: described sleeve pipe is positioned at fiber stub and standard fiber lock pin joint is provided with a hole for injecting glue, by toward injecting glue in hole for injecting glue, fiber stub and standard fiber lock pin is fixed in sleeve pipe.
6. reflector structure as claimed in claim 4, is characterized in that: described sleeve pipe one end is provided with a buckle; Described sleeve pipe is metal tube or ceramic pipe.
7. reflector structure as claimed in claim 1, is characterized in that: described fixed sturcture comprises a V-type frid and a briquetting; Described V-type frid is provided with at least one V-type groove; Described optical fiber group is placed in V-type groove, and described briquetting is placed on V-type frid; Briquetting and V-type frid offer at least one groove along V-type groove, are at least two sections of fiber segments by described optical fiber component; Described filtering diaphragm is placed in each groove.
8. reflector structure as described in any one of claim 1-7, is characterized in that: described filtering diaphragm is vertical or favour fiber segment end face and be placed in groove.
9. reflector structure as described in any one of claim 1-7, is characterized in that: described filtering diaphragm is by being adhesively fixed in groove.
10. reflector structure as described in any one of claim 1-7, is characterized in that: described groove is a step trough, offers the vat that width is greater than filtering diaphragm thickness on fixed sturcture, offers the width sulculus consistent with filtering diaphragm thickness at large trench bottom; Described large trench bottom on described kapillary or V-type groove, kapillary or V-type groove described in described sulculus crosscut; Or described recess width is consistent with filtering diaphragm thickness, kapillary described in crosscut or V-type groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590411.6U CN204086602U (en) | 2014-10-11 | 2014-10-11 | A kind of reflector structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420590411.6U CN204086602U (en) | 2014-10-11 | 2014-10-11 | A kind of reflector structure |
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| CN204086602U true CN204086602U (en) | 2015-01-07 |
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| CN201420590411.6U Active CN204086602U (en) | 2014-10-11 | 2014-10-11 | A kind of reflector structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549131A (en) * | 2018-05-09 | 2018-09-18 | 湖南中科光电有限公司 | Optical fibre device with ceramic insertion core and its assemble method |
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2014
- 2014-10-11 CN CN201420590411.6U patent/CN204086602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549131A (en) * | 2018-05-09 | 2018-09-18 | 湖南中科光电有限公司 | Optical fibre device with ceramic insertion core and its assemble method |
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