CN201804130U - Pluggable optical fiber jumper isolator - Google Patents
Pluggable optical fiber jumper isolator Download PDFInfo
- Publication number
- CN201804130U CN201804130U CN2010205032186U CN201020503218U CN201804130U CN 201804130 U CN201804130 U CN 201804130U CN 2010205032186 U CN2010205032186 U CN 2010205032186U CN 201020503218 U CN201020503218 U CN 201020503218U CN 201804130 U CN201804130 U CN 201804130U
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- China
- Prior art keywords
- isolator
- plug
- collimating apparatus
- optical patchcord
- contact pin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a pluggable optical fiber jumper isolator. The pluggable optical fiber jumper isolator comprises a first collimator, an isolator core and a second collimator that are connected in sequence; and a contact pin is arranged at one end of the first collimator, and the other end of the first collimator is connected with the isolator core. Since the pluggable optical fiber jumper isolator adopting the structure comprises the first collimator provided with the contact pin, and the isolator and a jumper are integrated, thereby reducing the volume of the device and reducing insertion loss of the isolator and the jumper; and meanwhile, the pluggable optical fiber jumper isolator has simple structure, low cost and higher reliability, can be plugged for use, and is simple and convenient for application.
Description
Technical field
The utility model relates to the optical network device field, and particularly fibre optic isolater structure field specifically is meant a kind of plug-in optical patchcord isolator.
Background technology
In present optical network device, linear light isolator and wire jumper are two independent devices separately, but when using, the two often needs to connect uses, and just need this moment to use the method for fusion welding fiber that the two is linked to each other.The shortcoming of such application mode is 1, linear light isolator and wire jumper to fuse Insertion Loss very big; 2, the two volume that links to each other is bigger; 3, method of attachment operation inconvenience; 4, the reliability of Lian Jieing is bad.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, provides that a kind of Insertion Loss is less, reliability is higher, saves device volume, simple in structure, with low cost and use plug-in optical patchcord isolator easily.
In order to realize above-mentioned purpose, of the present utility model have a following formation:
The principal feature of this plug-in optical patchcord isolator is, it comprises first collimating apparatus, isolator core and second collimating apparatus that is linked in sequence, and an end of described first collimating apparatus is provided with contact pin, and the other end of this first collimating apparatus connects described isolator core.
In this plug-in optical patchcord isolator, described first collimating apparatus and second collimating apparatus are single fiber input collimating apparatus.
In this plug-in optical patchcord isolator, described first collimating apparatus comprises kapillary and lens, and described contact pin and described kapillary and lens are linked in sequence, and described fiber axis is in being arranged in described contact pin and kapillary.
In this plug-in optical patchcord isolator, described optical fiber gummed is fixed in described inwall capillaceous.
In this plug-in optical patchcord isolator, the angle of the surface of contact of described kapillary and lens and axis of bore tangent plane is 82 degree.
In this plug-in optical patchcord isolator, described first collimating apparatus also comprises the metal tail pipe and first glass bushing, described contact pin and kapillary are coupling mutually by described metal tail pipe, and described kapillary and lens are coupling mutually by described first glass bushing.
In this plug-in optical patchcord isolator, described contact pin is a ceramic contact pin.
In this plug-in optical patchcord isolator, described plug-in optical patchcord isolator also comprises second glass bushing, the link position of described first collimating apparatus and isolator core, and the link position of the described isolator core and second collimating apparatus all are sheathed in described second glass bushing.
In this plug-in optical patchcord isolator, described plug-in optical patchcord isolator also comprises the outer tube assembly, and described outer tube assembly is sheathed on outside described second glass bushing, and connects the tail end of described second collimating apparatus.
In this plug-in optical patchcord isolator, described outer tube assembly comprises notch cuttype becket, metal sleeve and isolator tail pipe, described notch cuttype becket is connected in the tail end of described second collimating apparatus, described metal sleeve is sheathed on outside described second glass bushing and the notch cuttype becket, described isolator tail pipe is sheathed on outside the described metal sleeve, also axially supports being provided with elastomeric element between described notch cuttype becket and metal sleeve.
In this plug-in optical patchcord isolator, described elastomeric element is a spring.
Adopted the plug-in optical patchcord isolator of this utility model, because it comprises first collimating apparatus with contact pin, thus isolator and wire jumper is integrated, can reduce the volume of device, the Insertion Loss of minimizing isolator and wire jumper.Simultaneously, this plug-in optical patchcord spacer structures is simple, with low cost, has higher reliability, and can realize plug and play, and application mode is easy.
Description of drawings
Fig. 1 is the structural representation of plug-in optical patchcord isolator of the present utility model.
Fig. 2 is the structural representation that utilizes the FC plug-in optical patchcord isolator of FC loose mail assembling of the present utility model.
Fig. 3 is the structural representation that utilizes the SC plug-in optical patchcord isolator of SC loose mail assembling of the present utility model.
Fig. 4 is the structural representation of the contact pin of the magnetic tape trailer seat that forms in the process of plug-in optical patchcord isolator of the present utility model.
The structural representation that Fig. 5 is connected with optical fiber and kapillary for the contact pin that forms in the process of plug-in optical patchcord isolator of the present utility model.
Fig. 6 is the structural representation of the tail optical fiber of the band contact pin that forms in the process of plug-in optical patchcord isolator of the present utility model.
Fig. 7 is the structural representation of the collimating apparatus of the band contact pin that forms in the process of plug-in optical patchcord isolator of the present utility model.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1ly, be the structural representation of plug-in optical patchcord isolator provided by the utility model.
This plug-in optical patchcord isolator comprises first collimating apparatus 1, isolator core 3 and second collimating apparatus 2 that is linked in sequence, and an end of described first collimating apparatus 1 is provided with contact pin 4, and the other end of this first collimating apparatus 1 connects described isolator core 3.Described first collimating apparatus 1 comprises kapillary 5 and lens 6, described contact pin 4 is linked in sequence with described kapillary 5 and lens 6, described optical fiber 7 axially is arranged in described contact pin 4 and the kapillary 5, and these optical fiber 7 gummeds are fixed in the inwall of described kapillary 5.
As shown in Figure 1, described first collimating apparatus 1 also comprises the metal tail pipe 8 and first glass bushing 11, described contact pin 4 is coupling by described metal tail pipe 8 mutually with kapillary 5, and described kapillary 5 is coupling by described first glass bushing 11 mutually with lens 6.
In this embodiment, described plug-in optical patchcord isolator also comprises second glass bushing 12, the link position of described first collimating apparatus 1 and isolator core 3, and the link position of the described isolator core 3 and second collimating apparatus 2 all are sheathed in described second glass bushing 12.
In this embodiment, described plug-in optical patchcord isolator also comprises the outer tube assembly, and as shown in Figures 2 and 3, described outer tube assembly is sheathed on outside described second glass bushing 12, and connects the tail end of described second collimating apparatus 2.Described outer tube assembly comprises notch cuttype becket 13, metal sleeve 14 and isolator tail pipe 15, described notch cuttype becket 13 is connected in the tail end of described second collimating apparatus 2, described metal sleeve 14 is sheathed on outside described second glass bushing 12 and the notch cuttype becket 13, described isolator tail pipe 15 is sheathed on outside the described metal sleeve 14,14 of described notch cuttype becket 13 and metal sleeves also axially support and are provided with elastomeric element 16, and this elastomeric element 16 is a spring.
A kind of preferred embodiment in, first collimating apparatus 1 of plug-in optical patchcord isolator provided by the utility model and second collimating apparatus 2 are single fiber input collimating apparatus.Described contact pin 4 is a ceramic contact pin.The surface of contact of described kapillary 5 and lens 6 has 8 ° inclination angle, and the angle between the axial section of 3 these surface of contact and kapillary 5 is 82 °.
The process of plug-in optical patchcord isolator of the present utility model may further comprise the steps:
1, the contact pin with the magnetic tape trailer seat carries out machining, and as shown in Figure 4, the one end is the contact pin 4 of ceramic segment, and the other end is processed into the sleeve pipe 8 of certain internal diameter;
2, as shown in Figure 5, optical fiber 7 is penetrated kapillary 5, the contact pin sleeve portion that the whole again step 1 of packing into is made, wherein optical fiber 7 direct punctures go out the ceramic segment of contact pin 4, and blended rubber is fixed;
3, the kapillary 5 of grinding steps 2 makes it form 8 degree angles, becomes the tail optical fiber of band contact pin, as shown in Figure 6;
4, use that step 3 makes tail optical fiber, lens 6 and cuvette 11 (first glass bushing) collimating apparatus 1 (first collimating apparatus) of debugging into the band contact pin, as shown in Figure 7;
5, band contact pin collimating apparatus and single fiber input collimating apparatus 2 (second collimating apparatus), isolator core 3 and the big glass tube 12 (second glass bushing) that utilizes step 4 to make is assembled into the isolator of being with contact pin, as shown in Figure 1;
6, cut off contact pin end optical fiber, and use the outer tube component groups to dress up plug-in optical patchcord isolator.
The outer tube assembly comprises FC and SC loose mail, as utilizes the assembling of FC loose mail, and carries out wire jumper and grind, and then can form FC plug-in optical patchcord isolator as shown in Figure 2; If utilize the assembling of SC loose mail, and carry out wire jumper and grind, then can form SC plug-in optical patchcord isolator as shown in Figure 3.
In application of the present utility model, the wavelength of the isolator core in the plug-in optical patchcord isolator can be 1310nm, 1550nm or 1480nm.Its use-pattern, identical with common wire jumper, but increase the light buffer action, plug is convenient, uses simple.The utility model is integrated together isolator and wire jumper, volume reduces nearly half (saving 5.5mm * 28mm volume approximately), reduced Insertion Loss simultaneously, experimental results show that, the Insertion Loss of former single-stage 1550nm isolator is generally 0.30dB, and the wire jumper Insertion Loss is 0.2dB, and both add up to 0.5dB, the utility model with the two integrated after, Insertion Loss is generally 0.35dB.
Adopted the plug-in optical patchcord isolator of this utility model, because it comprises first collimating apparatus with contact pin, thus isolator and wire jumper is integrated, can reduce the volume of device, the Insertion Loss of minimizing isolator and wire jumper.Simultaneously, this plug-in optical patchcord spacer structures is simple, with low cost, has higher reliability, and can realize plug and play, and application mode is easy.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (11)
1. plug-in optical patchcord isolator, it is characterized in that, described optical patchcord isolator comprises first collimating apparatus, isolator core and second collimating apparatus that is linked in sequence, and an end of described first collimating apparatus is provided with contact pin, and the other end of this first collimating apparatus connects described isolator core.
2. plug-in optical patchcord isolator according to claim 1 is characterized in that, described first collimating apparatus and second collimating apparatus are single fiber input collimating apparatus.
3. plug-in optical patchcord isolator according to claim 1, it is characterized in that, described first collimating apparatus comprises kapillary and lens, and described contact pin and described kapillary and lens are linked in sequence, and described fiber axis is in being arranged in described contact pin and kapillary.
4. plug-in optical patchcord isolator according to claim 3 is characterized in that, described optical fiber gummed is fixed in described inwall capillaceous.
5. plug-in optical patchcord isolator according to claim 3 is characterized in that, the angle of the surface of contact of described kapillary and lens and axis of bore tangent plane is 82 degree.
6. plug-in optical patchcord isolator according to claim 3, it is characterized in that, described first collimating apparatus also comprises the metal tail pipe and first glass bushing, described contact pin and kapillary are coupling mutually by described metal tail pipe, and described kapillary and lens are coupling mutually by described first glass bushing.
7. plug-in optical patchcord isolator according to claim 3 is characterized in that described contact pin is a ceramic contact pin.
8. according to each described plug-in optical patchcord isolator in the claim 1 to 7, it is characterized in that, described plug-in optical patchcord isolator also comprises second glass bushing, the link position of described first collimating apparatus and isolator core, and the link position of the described isolator core and second collimating apparatus, all be sheathed in described second glass bushing.
9. plug-in optical patchcord isolator according to claim 8, it is characterized in that, described plug-in optical patchcord isolator also comprises the outer tube assembly, and described outer tube assembly is sheathed on outside described second glass bushing, and connects the tail end of described second collimating apparatus.
10. plug-in optical patchcord isolator according to claim 9, it is characterized in that, described outer tube assembly comprises notch cuttype becket, metal sleeve and isolator tail pipe, described notch cuttype becket is connected in the tail end of described second collimating apparatus, described metal sleeve is sheathed on outside described second glass bushing and the notch cuttype becket, described isolator tail pipe is sheathed on outside the described metal sleeve, also axially supports being provided with elastomeric element between described notch cuttype becket and metal sleeve.
11. plug-in optical patchcord isolator according to claim 10 is characterized in that described elastomeric element is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205032186U CN201804130U (en) | 2010-08-24 | 2010-08-24 | Pluggable optical fiber jumper isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205032186U CN201804130U (en) | 2010-08-24 | 2010-08-24 | Pluggable optical fiber jumper isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804130U true CN201804130U (en) | 2011-04-20 |
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ID=43873633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205032186U Expired - Lifetime CN201804130U (en) | 2010-08-24 | 2010-08-24 | Pluggable optical fiber jumper isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201804130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044848A (en) * | 2015-08-25 | 2015-11-11 | 珠海保税区光联通讯技术有限公司 | Pluggable miniature optical passive device |
-
2010
- 2010-08-24 CN CN2010205032186U patent/CN201804130U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044848A (en) * | 2015-08-25 | 2015-11-11 | 珠海保税区光联通讯技术有限公司 | Pluggable miniature optical passive device |
| WO2017032328A1 (en) * | 2015-08-25 | 2017-03-02 | 珠海保税区光联通讯技术有限公司 | Pluggable miniature optical passive device |
| US11022759B2 (en) | 2015-08-25 | 2021-06-01 | Molex, Llc | Pluggable miniature optical passive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI ZHONGKE CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110921 Address after: 200233, building 8, building 471, No. 4, Guiping Road, Shanghai, Xuhui District Co-patentee after: SHANGHAI CHINA SCIENCES CO., LTD. Patentee after: Zhongke Optical fiber Communication Device Co., Ltd., Shanghai Address before: 200233, building 8, building 471, No. 4, Guiping Road, Shanghai, Xuhui District Patentee before: Zhongke Optical fiber Communication Device Co., Ltd., Shanghai |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |