CN102565961A - Integrated optical attenuator - Google Patents
Integrated optical attenuator Download PDFInfo
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- CN102565961A CN102565961A CN201210015642XA CN201210015642A CN102565961A CN 102565961 A CN102565961 A CN 102565961A CN 201210015642X A CN201210015642X A CN 201210015642XA CN 201210015642 A CN201210015642 A CN 201210015642A CN 102565961 A CN102565961 A CN 102565961A
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- optical fiber
- fiber connector
- shell
- attenuator
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Abstract
The invention provides an integrated optical attenuator, which comprises a shell and two optical fiber connector plugs, wherein the tails of the two optical fiber connector plugs are connected with the shell; and the shell and the two optical fiber connector plugs are integrated. By the integrated optical attenuator, the optical fiber connector plugs are directly designed on the shell, so that one part is not required to be produced, and the assembly time of one part is shortened; and therefore, the aims of shortening the assembly time and saving the cost of materials are fulfilled, and the integrated optical attenuator has high market competitiveness.
Description
Technical field
The present invention relates to the fiber optic telecommunications equipment field, particularly a kind of incorporated light attenuator.
Background technology
Optical attenuator is to be used for device that luminous power is decayed, and it is mainly used in the occasion such as signal attenuation and system test of index measurement, the short range communication systems of fibre system.That optical attenuator requires is in light weight, volume is little, precision is high, good stability, easy to use etc.
The kind of optical attenuator is more, and dissimilar principle of work that optical attenuator adopted and application thereof have nothing in common with each other.Ring type (Loop-Back) optical attenuator is wherein a kind of, mainly adopts an optical fiber to form the loop, as loopback optical fiber, or with modes such as optical attenuator film and clearances, light signal is decayed with attenuating fiber.Ring type (Loop-Back) optical attenuator can conveniently be connected between the optical transmitting set and photodetector of unified optical device, in order to the intensity after the certain transmission range of emulation light signal process, thereby realizes the test to each unit of optical device.
The structure of existing ring type (Loop-Back) optical attenuator is as shown in Figure 1; It comprises: a shell 10; Said shell 10 is generally fastened by upper and lower two lids and forms; Said loopback optical fiber integrally is fixed in two lids and fastens in the formed space, and said optical fiber holding body 11 is fixed on the two ends of loopback optical fiber, is used for carrying and fixing said loopback optical fiber.Said optical fiber holding body 11 can connect optical fiber connector plug 12.Said optical fiber connector plug 12 is accommodated and the said loopback optical fiber of collimation, and is clasped through the port of buckle structure and optical fiber holding body 11.
Because optical fiber connector plug 12 is designs separately; Be then assembled on said ring type (Loop-Back) optical attenuator, so, need to produce separately optical fiber connector plug 12; And assembling optical fiber connector plug 12 lost time again to ring type (Loop-Back) optical attenuator; And needing a plurality of mould moldings, the cost of entire product can raise like this, on price, does not have the market competitiveness.
In view of this, prior art is still waiting to improve and development.
Summary of the invention
The object of the present invention is to provide a kind of incorporated light attenuator, solved in the prior art in connector plug and separately design of fibre optic attenuator, required cost is higher, and lost time again when installing, thereby causes on the price problems such as competitive power is lower.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of incorporated light attenuator, it comprises: shell and two optical fiber connector plugs, wherein, the afterbody of said two optical fiber connector plugs connects said shell; Said shell and two optical fiber connector plugs are one-body molded.
In the above-mentioned incorporated light attenuator, said optical fiber connector plug is a SC type optical fiber connector plug.
In the above-mentioned incorporated light attenuator, said shell comprises base, can turn down the upper cover body that covers on the said base, and said upper cover body and base flexibly connect.
In the above-mentioned incorporated light attenuator, the side of said upper cover body is connected with base, and said upper cover body and base are one-body molded.
In the above-mentioned incorporated light attenuator, be provided with the loopback optical fiber that is used to constitute light signal input and output loop in the said shell, said loopback optical fiber is retained on the optical fiber holding body, and said optical fiber holding body links to each other with two optical fiber connector plugs.
Compared to prior art; Incorporated light attenuator provided by the invention directly designs optical fiber connector plug on shell; This structure can be produced a part less; And save assembling man-hour of a part, so play the purpose that reduces assembling man-hour and economical with materials cost, have the stronger market competitiveness.
Description of drawings
Fig. 1 is the structural representation of the ring type optical attenuator of prior art.
Fig. 2 is the synoptic diagram of the embodiment of incorporated light attenuator of the present invention.
Embodiment
The present invention provides a kind of incorporated light attenuator, and is clearer, clear and definite for making the object of the invention, technical scheme and effect, below with reference to accompanying drawing and give an actual example to further explain of the present invention.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 2; It is the synoptic diagram of the embodiment of incorporated light attenuator of the present invention; As shown in the figure, said incorporated light attenuator comprises: shell 100 and two optical fiber connector plugs 200, wherein; The afterbody of said two optical fiber connector plugs 200 connects said shell 100, and said shell 100 and two optical fiber connector plugs 200 are one-body molded.
Specifically, because the existing fiber connector plug is design separately, be then assembled to (generally being to engage) on said ring type (Loop-Back) optical attenuator through the port of buckle structure with the optical fiber holding body.Such design makes needs to produce separately optical fiber connector plug; And assembling optical fiber connector plug lost time again to ring type (Loop-Back) optical attenuator; And when producing, need a plurality of mould moldings; The cost of entire product can raise like this, on price, does not have the market competitiveness.So; The application's incorporated light attenuator is then one-body molded with said shell 100 and two optical fiber connector plug 200 designs; Can produce a part (optical fiber connector plug 200) less; And save assembling man-hour of a part, play the purpose that reduces assembling man-hour and economical with materials cost.And employing integral structure; Make the overall optical attenuator only need a kind of mould molding; Saved the die sinking cost; In said shell 100, be provided with the loopback optical fiber that is used to constitute light signal input and output loop, said loopback optical fiber is retained on the optical fiber holding body (not drawing among the figure), and said optical fiber holding body links to each other with two optical fiber connector plugs 200.
Further, said optical fiber connector plug is a SC type optical fiber connector plug, and its price is lower, and the insertion loss fluctuation is little, compressive strength is higher.Certainly, we also can adopt the optical fiber connector plug of other models, such as: LC type etc., can do concrete design according to concrete product.
In addition, as shown in Figure 2, said shell 100 further comprises base 110, can turn down the upper cover body 120 that covers on the said base 110, and said upper cover body 120 flexibly connects with base 110.So, we just can open shell (upper cover body 120 is opened with base 110 relatively) easily, thereby (for example: cleaning, whole line or the like) operated in incorporated light attenuator inside; Simultaneously, we can also cover upper cover body 120 on the said base 110, guarantee that incorporated light attenuator inside can not polluted.
Further, as shown in Figure 2, the side 121 of said upper cover body 120 is connected with base 110; So; Just can serve as the turnover (rollover) that axle is realized upper cover body 120 with side 121, more convenient like this user's operation, and said upper cover body 120 is one-body molded with base 110; Do not have the slit after upper cover body 120 and base 110 are covered, guarantee that further incorporated light attenuator inside can not polluted.
In sum, incorporated light attenuator of the present invention comprises: shell and two optical fiber connector plugs, and wherein, the afterbody of said two optical fiber connector plugs connects said shell; Said shell and two optical fiber connector plugs are one-body molded.Incorporated light attenuator provided by the invention directly designs optical fiber connector plug on shell; This structure can be produced a part less; And save assembling man-hour of a part, so play the purpose that reduces assembling man-hour and economical with materials cost, have the stronger market competitiveness.
It is understandable that, concerning those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (5)
1. an incorporated light attenuator is characterized in that, comprising: shell and two optical fiber connector plugs, and wherein, the afterbody of said two optical fiber connector plugs connects said shell; Said shell and two optical fiber connector plugs are one-body molded.
2. incorporated light attenuator according to claim 1 is characterized in that, said optical fiber connector plug is a SC type optical fiber connector plug.
3. incorporated light attenuator according to claim 1 is characterized in that, said shell comprises base, can turn down the upper cover body that covers on the said base, and said upper cover body and base flexibly connect.
4. incorporated light attenuator according to claim 3 is characterized in that the side of said upper cover body is connected with base, and said upper cover body and base are one-body molded.
5. incorporated light attenuator according to claim 1; It is characterized in that; Be provided with the loopback optical fiber that is used to constitute light signal input and output loop in the said shell, said loopback optical fiber is retained on the optical fiber holding body, and said optical fiber holding body links to each other with two optical fiber connector plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015642XA CN102565961B (en) | 2012-01-18 | 2012-01-18 | Integrated optical attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015642XA CN102565961B (en) | 2012-01-18 | 2012-01-18 | Integrated optical attenuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102565961A true CN102565961A (en) | 2012-07-11 |
| CN102565961B CN102565961B (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210015642XA Active CN102565961B (en) | 2012-01-18 | 2012-01-18 | Integrated optical attenuator |
Country Status (1)
| Country | Link |
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| CN (1) | CN102565961B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749683A (en) * | 2012-07-13 | 2012-10-24 | 安费诺光纤技术(深圳)有限公司 | SC (Standard Connector) combined angle-sleeve connector kit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109454A (en) * | 1989-09-29 | 1992-04-28 | Sumitomo Electric Industries Ltd. | Light communication apparatus |
| CN2529268Y (en) * | 2001-11-05 | 2003-01-01 | 鸿富锦精密工业（深圳）有限公司 | Ring type fixed light attenuator |
| CN102122031A (en) * | 2010-10-28 | 2011-07-13 | A.J.世界有限公司 | Field assembling optical connector |
| CN202433569U (en) * | 2012-01-18 | 2012-09-12 | 安费诺光纤技术(深圳)有限公司 | Foldable optical attenuator |
| CN202494812U (en) * | 2012-01-18 | 2012-10-17 | 安费诺光纤技术(深圳)有限公司 | Integrated optical attenuator |
-
2012
- 2012-01-18 CN CN201210015642XA patent/CN102565961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109454A (en) * | 1989-09-29 | 1992-04-28 | Sumitomo Electric Industries Ltd. | Light communication apparatus |
| CN2529268Y (en) * | 2001-11-05 | 2003-01-01 | 鸿富锦精密工业（深圳）有限公司 | Ring type fixed light attenuator |
| CN102122031A (en) * | 2010-10-28 | 2011-07-13 | A.J.世界有限公司 | Field assembling optical connector |
| CN202433569U (en) * | 2012-01-18 | 2012-09-12 | 安费诺光纤技术(深圳)有限公司 | Foldable optical attenuator |
| CN202494812U (en) * | 2012-01-18 | 2012-10-17 | 安费诺光纤技术(深圳)有限公司 | Integrated optical attenuator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749683A (en) * | 2012-07-13 | 2012-10-24 | 安费诺光纤技术(深圳)有限公司 | SC (Standard Connector) combined angle-sleeve connector kit |
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| Publication number | Publication date |
|---|---|
| CN102565961B (en) | 2013-11-27 |
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