CN205720781U - Adapter for single coated optical fibre - Google Patents
Adapter for single coated optical fibre Download PDFInfo
- Publication number
- CN205720781U CN205720781U CN201620283386.6U CN201620283386U CN205720781U CN 205720781 U CN205720781 U CN 205720781U CN 201620283386 U CN201620283386 U CN 201620283386U CN 205720781 U CN205720781 U CN 205720781U
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- adapter
- optical fiber
- type optical
- lock pin
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Abstract
The utility model discloses a kind of adapter for single coated optical fibre, this adapter includes adapter housing, SC type optical fiber male joint, lock pin, sleeve, limit spring and the SC type optical fiber female joint of pre-buried one end plated film SC type optical fiber, lock pin leading portion inserts SC type optical fiber male joint, sleeve and limit spring are inserted in lock pin back segment successively, sleeve and limit spring are inserted in SC type optical fiber female joint, and SC type optical fiber male joint, lock pin, sleeve, limit spring and SC type optical fiber female joint are located in adapter housing after assembling successively.This adapter connects optical terminus in PON, specific wavelength can be tested light and produce strong reflected signal, and the optical signal of the normal operation wavelength in PON does not affect its transmission, so that measuring technology based on OTDR can be accurately positioned the range information of optical terminus, it is simple to the operation maintenance of PON.
Description
Technical field
This utility model relates to a kind of adapter for single coated optical fibre.
Background technology
Optic fibre switching adapter two ends can be inserted into the joints of optical fibre of different interface type, realize the conversion between the distinct interfaces such as FC, SC, ST, LC, MTRJ, MPO, E2000, be widely used in fibre distribution frame (ODF), optical fiber communication equipment, instrument etc.；Coated optical fibre is to increase optical coating at fiber end face, to increase laser transmission and reflection function, for increasing through efficiency.Along with the extensive commercialization of fiber to the home (FTTH), the EPON (PON) building FTTH is the hugest, and user's optical terminus quantity rapidly rises, and therefore the pressure of network operation is increasing.Owing to there is a large amount of optical branching device in PON, in PON maintenance process, traditional employing optical time domain reflectometer (OTDR) positions the mode of optical network fault point and lost efficacy in PON, it is impossible to be accurately positioned the range information of optical terminus.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of adapter for single coated optical fibre, this adapter connects optical terminus in PON, specific wavelength can be tested light and produce strong reflected signal, and the optical signal of the normal operation wavelength in PON does not affect its transmission, so that measuring technology based on OTDR can be accurately positioned the range information of optical terminus, it is simple to the operation maintenance of PON.
For solving above-mentioned technical problem, this utility model includes adapter housing for the adapter of single coated optical fibre, SC type optical fiber male joint, the lock pin of pre-buried one end plated film SC type optical fiber, sleeve, limit spring and SC type optical fiber female joint, described lock pin leading portion inserts described SC type optical fiber male joint, described sleeve and limit spring are inserted in described lock pin back segment successively, described sleeve and limit spring are inserted in described SC type optical fiber female joint, described SC type optical fiber male joint, lock pin, sleeve, limit spring and SC type optical fiber female joint are located in described adapter housing after assembling successively.
Further, in described lock pin, the plated film of SC type optical fiber one end realizes the selective transmission to specific wavelength laser and reflection by adjusting film material and thicknesses of layers.
Further, this adapter also includes lock pin dust cap and adapter dust cap, described lock pin dust cap stretches into described adapter housing forward end and is sleeved on described SC type optical fiber male joint, and described adapter dust cap stretches into described adapter housing rear end and embeds described SC type optical fiber female joint.
Further, described adapter housing conformance with standard SC type fiber active linker and the interface parameters of SC type single-core fiber adapter.
Further, the interface parameters of described SC type optical fiber male joint conformance with standard SC type fiber active linker.
Further, described SC type optical fiber female joint meets the interface parameters of SC type single-core fiber adapter.
Further, the Connecting quantity of described lock pin conformance with standard SC type fiber active linker.
Owing to this utility model have employed technique scheme for the adapter of single coated optical fibre, this adapter i.e. includes adapter housing, SC type optical fiber male joint, lock pin, sleeve, limit spring and the SC type optical fiber female joint of pre-buried one end plated film SC type optical fiber, lock pin leading portion inserts SC type optical fiber male joint, sleeve and limit spring are inserted in lock pin back segment successively, sleeve and limit spring are inserted in SC type optical fiber female joint, and SC type optical fiber male joint, lock pin, sleeve, limit spring and SC type optical fiber female joint are located in adapter housing after assembling successively.This adapter connects optical terminus in PON, specific wavelength can be tested light and produce strong reflected signal, and the optical signal of the normal operation wavelength in PON does not affect its transmission, so that measuring technology based on OTDR can be accurately positioned the range information of optical terminus, it is simple to the operation maintenance of PON.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is this utility model adapter structural representation for single coated optical fibre.
Detailed description of the invention
Embodiment is as shown in Figure 1, this utility model includes adapter housing 1 for the adapter of single coated optical fibre, SC type optical fiber male joint 3, the lock pin 4 of pre-buried one end plated film SC type optical fiber, sleeve 5, limit spring 6 and SC type optical fiber female joint 7, described lock pin 4 leading portion inserts described SC type optical fiber male joint 3, described sleeve 5 and limit spring 6 are inserted in described lock pin back segment 4 successively, described sleeve 5 and limit spring 6 are inserted in described SC type optical fiber female joint 7, described SC type optical fiber male joint 3, lock pin 4, sleeve 5, limit spring 6 and SC type optical fiber female joint 7 is located in described adapter housing 1 after assembling successively.
Preferably, in described lock pin 4, the plated film of SC type optical fiber one end realizes the selective transmission to specific wavelength laser and reflection by adjusting film material and thicknesses of layers.
Preferably, this adapter also includes lock pin dust cap 2 and adapter dust cap 8, described lock pin dust cap 2 stretches into described adapter housing 1 front end and is sleeved on described SC type optical fiber male joint 3, and described adapter dust cap 8 stretches into described adapter housing 1 rear end and embeds described SC type optical fiber female joint 7.
Preferably, described adapter housing 1 conformance with standard SC type fiber active linker and the interface parameters of SC type single-core fiber adapter.
Preferably, the interface parameters of described SC type optical fiber male joint 3 conformance with standard SC type fiber active linker.
Preferably, described SC type optical fiber female joint 7 meets the interface parameters of SC type single-core fiber adapter.
Preferably, the Connecting quantity of described lock pin 4 conformance with standard SC type fiber active linker.
nullThe housing of this adapter、Pin and box subs etc. all use flame retardant plastics to make，Lock pin and sleeve all use ceramic post sintering，SC type optical fiber male joint can be inserted directly into PON Plays SC optical branching device or couple with standard SC optical module output port，SC type optical fiber female joint is available for standard SC fiber active linker and inserts coupling，Simultaneously pre-buried in lock pin fiber end face all grinds through high accuracy，The plated film of optical fiber one end is optimized for operation wavelength and test wavelength，The laser of operation wavelength in the laser of specific wavelength and transmission PON can be reflected by the change of Coating Materials and thicknesses of layers，To ensure the absorbance maximum to operation wavelength and the reflectance of test wavelength maximum，So that optical time domain reflectometer (OTDR) can be accurately positioned optical network fault point，It is accurately positioned the range information of optical terminus，Facilitate the operation maintenance of PON，Improve the efficiency of upkeep operation.The parameters of this adapter, including size and optical property parameter equal conformance with standard SC type fiber active linker and SC type single-core fiber adapter requirement, has splendid compatibility.
Claims (7)
1. the adapter for single coated optical fibre, including adapter housing, it is characterized in that: also include SC type optical fiber male joint, the lock pin of pre-buried one end plated film SC type optical fiber, sleeve, limit spring and SC type optical fiber female joint, described lock pin leading portion inserts described SC type optical fiber male joint, described sleeve and limit spring are inserted in described lock pin back segment successively, described sleeve and limit spring are inserted in described SC type optical fiber female joint, described SC type optical fiber male joint, lock pin, sleeve, limit spring and SC type optical fiber female joint are located in described adapter housing after assembling successively.
Adapter for single coated optical fibre the most according to claim 1, it is characterised in that: in described lock pin, the plated film of SC type optical fiber one end realizes the selective transmission to specific wavelength laser and reflection by adjusting film material and thicknesses of layers.
Adapter for single coated optical fibre the most according to claim 1 and 2, it is characterized in that: this adapter also includes lock pin dust cap and adapter dust cap, described lock pin dust cap stretches into described adapter housing forward end and is sleeved on described SC type optical fiber male joint, and described adapter dust cap stretches into described adapter housing rear end and embeds described SC type optical fiber female joint.
Adapter for single coated optical fibre the most according to claim 3, it is characterised in that: described adapter housing conformance with standard SC type fiber active linker and the interface parameters of SC type single-core fiber adapter.
Adapter for single coated optical fibre the most according to claim 3, it is characterised in that: the interface parameters of described SC type optical fiber male joint conformance with standard SC type fiber active linker.
Adapter for single coated optical fibre the most according to claim 3, it is characterised in that: described SC type optical fiber female joint meets the interface parameters of SC type single-core fiber adapter.
Adapter for single coated optical fibre the most according to claim 3, it is characterised in that: the Connecting quantity of described lock pin conformance with standard SC type fiber active linker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283386.6U CN205720781U (en) | 2016-04-07 | 2016-04-07 | Adapter for single coated optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283386.6U CN205720781U (en) | 2016-04-07 | 2016-04-07 | Adapter for single coated optical fibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205720781U true CN205720781U (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620283386.6U Expired - Fee Related CN205720781U (en) | 2016-04-07 | 2016-04-07 | Adapter for single coated optical fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205720781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799489A (en) * | 2022-06-28 | 2022-07-29 | 武汉锐科光纤激光技术股份有限公司 | Laser output head switching device and laser output assembly |
-
2016
- 2016-04-07 CN CN201620283386.6U patent/CN205720781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799489A (en) * | 2022-06-28 | 2022-07-29 | 武汉锐科光纤激光技术股份有限公司 | Laser output head switching device and laser output assembly |
| CN114799489B (en) * | 2022-06-28 | 2022-11-01 | 武汉锐科光纤激光技术股份有限公司 | Laser output head switching device and laser output assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161123 Termination date: 20210407 |