CN203054266U - N+1-channel optical switch module for optical path protection - Google Patents
N+1-channel optical switch module for optical path protection Download PDFInfo
- Publication number
- CN203054266U CN203054266U CN 201220725309 CN201220725309U CN203054266U CN 203054266 U CN203054266 U CN 203054266U CN 201220725309 CN201220725309 CN 201220725309 CN 201220725309 U CN201220725309 U CN 201220725309U CN 203054266 U CN203054266 U CN 203054266U
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- collimating apparatus
- optical fibre
- branch
- light path
- output optical
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Abstract
The utility model discloses an N+1-channel optical switch module for optical path protection. The N+1-channel optical switch module for optical path protection includes a bottom box, a branch input optical fiber collimator, a branch output optical fiber collimator, a common output optical fiber collimator and an extended output optical fiber collimator. The N+1-channel optical switch module for optical path protection is characterized in that a plurality of collimator through holes are arranged in side walls of the periphery of the bottom box at the same horizontal height, and the branch input optical fiber collimator, the branch output optical fiber collimator, the common output optical fiber collimator and the extended output optical fiber collimator are all connected with the collimator through holes fixedly and respectively; a plurality of relays provided with levers are arranged in an inner cavity of the bottom box, electronic control pins of the relays are arranged on a circuit board in the bottom box and are led output from a socket installed on a side part of the bottom box, and rear ends of the levers of the relays are all provided with rectangular prisms. According to the utility model, the quantity of required components is reduced, and the device and the components are arranged in good order. The N+1-channel optical switch module for optical path protection is compact in structure, small in size, distinctively high in response speed and short is switching time. And channel crosstalk and insertion loss are reduced.
Description
Technical field
The utility model relates to optical fiber communication, sensory field of optic fibre, specifically is a kind of N+1 light path protection optical switch module.
Background technology
N+1 light path protection optical switch module is a kind of device with light path stand-by protection function, is made up of the straight-through route in N road and 1 tunnel protection route, is widely used in Optical Line Protection and equipment protection.Arbitrary route in N route can switch in the protection road, plays the stand-by protection effect.
N+1 light path protection optical switch module can be divided into 2+1 light path protection optical switch module, 4+1 light path protection optical switch module, 8+1 light path protection optical switch module, 124+1 light path protection optical switch module according to the number of its transmission channel .... etc.The core of this module is 1 * N photoswitch, existing 1 * N photoswitch is mainly formed by a plurality of 1 * 2 photoswitch splicing cascades, be that the first order comprises 11 * 2 photoswitch, the second level comprises 21 * 2 photoswitches, the third level comprises 41 * 2 photoswitches, the n level comprises 2n-1 1 * 2 photoswitch, the input channel of 1 * 2 photoswitch of back one-level links to each other with the output channel of 1 * 2 photoswitch of previous stage respectively, the input channel of the first order 1 * 2 photoswitch forms the input channel of 1 * N photoswitch, and the output channel of afterbody 1 * 2 photoswitch forms the output channel of 1 * N photoswitch.Adopt traditional photoswitch that above-mentioned cascade system constitutes not only bulky, loosely organized, cause it to insert that loss is big, channel interference is higher, transmitting optical power also is difficult to improve; And need carry out switching controls to 1 * 2 all photoswitches simultaneously and can realize when carrying out a switching controls, so response speed is slow, switching time is long, stability is also relatively poor relatively; In addition because used components and parts are many, complex manufacturing technology can not realize producing in batches, production efficiency is low.
The utility model content
Technical problem to be solved in the utility model provides that a kind of volume is little, in light weight, response is fast, Insertion Loss is low, port number is many, the N+1 light path of good stability is protected optical switch module.
The technical scheme that realizes the utility model purpose is:
A kind of N+1 light path protection optical switch module, comprise end box, branch's input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus, public output optical fibre collimating apparatus and expansion output optical fibre collimating apparatus, unlike the prior art be: the same level height of sidewall offers a plurality of collimating apparatus through holes around the end box, branch's input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus, public output optical fibre collimating apparatus and expansion output optical fibre collimating apparatus are affixed with the collimating apparatus through hole respectively; Be provided with a plurality of relays that have lever in the inner chamber of end box, the automatically controlled pin of relay is arranged on the circuit board of box inside, the end, is drawn by the socket that end box sidepiece is installed; The lever rear end of each relay is provided with right-angle prism.
Offer 2N+2 collimating apparatus through hole respectively on the sidewall around the box of the described end.
Described branch input optical fibre collimating apparatus is N, and branch's output optical fibre collimating apparatus is N.
Described N is positive integer; Not excessive for the volume that makes product, the span of N is 1≤N≤128.
Described branch input optical fibre collimating apparatus is arranged on end box wherein in the collimating apparatus through hole on sidewall, and branch's output optical fibre collimating apparatus is arranged in the collimating apparatus through hole on the another side sidewall corresponding with branch input optical fibre collimating apparatus; Public output optical fibre collimating apparatus and expansion output optical fibre collimating apparatus are separately positioned in the collimating apparatus through hole on all the other two sides of end box.
Described branch input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus, public output optical fibre dimension collimating apparatus and expansion output optical fibre collimating apparatus are the single fiber collimating apparatus.
Described right-angle prism is corresponding with branch input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus respectively, and is positioned on the light path of public output optical fibre collimating apparatus.
Described right-angle prism is that the cross section is the prism of right-angle triangle, and the inclined-plane of right-angle prism is fully reflecting surface.
The light path of the plane of incidence of described right-angle prism and branch's input optical fibre collimating apparatus is 90 ° of angles, the light path of the exit facet of right-angle prism and public output optical fibre collimating apparatus is 90 ° of angles, make certain branch's corresponding right-angle prism of input optical fibre collimating apparatus of required reflection enter into reflected light path, and by public output optical fibre collimating apparatus output; All the other branch's corresponding right-angle prisms of input optical fibre collimating apparatus then are withdrawn into outside the reflected light path, enter transmitted light path, by branch's output optical fibre collimating apparatus output of correspondence.
Described lever drives right-angle prism moves along the vertical direction, make modular structure simple, be convenient to design, and make Control Component be easier to control accurately the position of right-angle prism, thereby make right-angle prism can enter more accurately or withdraw from the reflected light path, reduce the generation of channel interference.
The front end of described lever is fixed in the armature top of relay, and by to the relay on-off electricity, coil moves up and down the right-angle prism that is fixed in lever to armature adhesive or release, it is entered or exit optical, realizes the selection to light path.
Compared with prior art, input light path of the present utility model directly reflexes to the selection that public output light path is realized light path by a right-angle prism, and its required components and parts reduce greatly, and each components and parts is neat and orderly, compact conformation, and volume is little; The input optical fibre collimating apparatus only need just can directly select to enter public output light path by a light path conversion simultaneously, has improved response speed greatly, has reduced switching time; And relay accurately controls moving up and down of right-angle prism, makes the moving surface of right-angle prism perpendicular to public output light path, thereby reduced channel interference, and it is low to have reduced the insertion loss; In addition, its input channel can be any odevity of 1 ~ N, can realize odd number road protection photoswitch, as 3+1 protection photoswitch, 5+1 protection photoswitch etc.
Description of drawings
Fig. 1 is the utility model example structure synoptic diagram;
Fig. 2 is transmitted to the simplification index path of 8 tunnel outputs (O1-O8) for the utility model 8 tunnel inputs (I1-I8);
Fig. 3 is the utility model input 1(I1) reflex to the simplification index path that public output (COM), other 7 tunnel inputs (I2-I8) are transmitted to corresponding 7 tunnel outputs (O2-O8);
Fig. 4 is the utility model input 8(I8) reflex to the simplification index path that public output (COM), other 7 tunnel inputs (I1-I7) are transmitted to corresponding 7 tunnel outputs (O1-O7);
Fig. 5 is the utility model input 4(I4) reflex to the simplification index path that public output (COM), other 7 tunnel inputs (I1-I3 and I5-I8) are transmitted to corresponding 7 tunnel outputs (O1-O3 and O5-O8).
In figure: 1. box 2. lid 3-1. the 1st relay 3-2. the 2nd relay 3-8. the 8th relay 4-1. the 1st right-angle prism 4-2. the 2nd right-angle prism 4-8. the 8th right-angle prism 5-1. the 1st lever 5-2. the 2nd lever 5-8. the 8th lever 6-1. the 1st input optical fibre collimater 6-2. of branch the 2nd input optical fibre collimater 6-8. of branch the 8th input optical fibre collimater 7-1. of branch the 1st output optical fibre collimater 7-4. of branch the 4th output optical fibre collimater 7-8. of branch the 8th public output optical fibre collimaters 9. of branch's output optical fibre collimater 8. in the end are expanded the output optical fibre collimaters.
Embodiment
The utility model is described in further detail with embodiment below, but the utility model is not limited to these embodiment, and any person of an ordinary skill in the technical field is considered as not breaking away from protection domain of the present utility model to its suitable variation or modification of doing.
Embodiment
As shown in Figure 1; the utility model 8+1 light path protection optical switch module comprises end box 1; the lid 2 equipped with end box 1 coupling; be arranged on the 1st relay 3-1 in the end box 1; the 2nd relay 3-2; the 8th relay 3-8; the 1st right-angle prism 4-1; the 2nd right-angle prism 4-2; the 8th right-angle prism 4-8; the 1st lever 5-1; the second lever 5-2 ... the 8th lever 5-8; the 1st input optical fibre collimating apparatus 6-1 of branch; the 2nd input optical fibre collimating apparatus 6-2 of branch; the 8th input optical fibre collimating apparatus 6-8 of branch; the 1st output optical fibre collimating apparatus 7-1 of branch; the 4th input optical fibre collimating apparatus 7-4 of branch; the 8th output optical fibre collimating apparatus 7-8 of branch; public output optical fibre collimating apparatus 8 and expansion output optical fibre collimating apparatus 9.On the same level height of the front, rear, left and right of end box 1 four sidewalls, offer 8,8,1 and 1 collimating apparatus welding hole respectively, the 1st input optical fibre collimating apparatus 6-1 of branch, the 2nd input optical fibre collimating apparatus 6-2 of branch ... the 8th input optical fibre collimating apparatus 6-8 of branch is individually fixed in 8 collimating apparatus welding holes of front side wall; The 1st output optical fibre collimating apparatus 7-1 of branch ... the 4th input optical fibre collimating apparatus 7-4 of branch ... the 8th output optical fibre collimating apparatus 7-8 of branch is individually fixed in 8 collimating apparatus welding holes of rear wall; Public output optical fibre collimating apparatus 8 and expansion output optical fibre collimating apparatus 9 are individually fixed in the collimating apparatus welding hole of left and right sidewall.Be equipped with in the inner chamber of end box 1 and have the 1st lever 5-1, the second lever 5-2 respectively ... the 1st relay 3-1 of the 8th lever 5-8, the 2nd relay 3-2 ... the 8th relay 3-8; The automatically controlled pin of relay all is welded on the circuit board of inside modules, is drawn by the socket that box 1 sidepiece in the end is installed; The 1st relay 3-1, the 2nd relay 3-2 ... the 1st lever 5-1 of the 8th relay 3-8, the second lever 5-2 ... be separately installed with on the 8th lever 5-8 rear end the 1st right-angle prism 4-1, the 2nd right-angle prism 4-2 ... the 8th right-angle prism 4-8, the 1st right-angle prism 4-1, the 2nd right-angle prism 4-2 ... the 8th right-angle prism 4-8 respectively with the 1st input optical fibre collimating apparatus 6-1 of branch, the 2nd input optical fibre collimating apparatus 6-2 of branch ... the 8th input optical fibre collimating apparatus 6-8 of branch is corresponding.The break-make of the circuit board pilot relay by inside modules makes that branch's corresponding right-angle prism of input optical fibre collimating apparatus of required reflection enter into reflected light path, and this reflected light is just by public output optical fibre collimating apparatus 8 outputs; The corresponding right-angle prism of all the other input optical fibre collimating apparatuss then is withdrawn into outside the reflected light path, enters transmitted light path, by branch's output optical fibre collimating apparatus output of correspondence.
As shown in Figure 2, inner circuit board pilot relay, make the 1st right-angle prism 4-1, the 2nd right-angle prism 4-2 ... the 8th right-angle prism 4-8 the 1st relay 3-1, the 2nd relay 3-2 ... the 1st lever 5-1 of the 8th relay 3-8, the second lever 5-2 ... the 8th lever 5-8 drives down, remain on nadir and withdraw from reflected light path, thereby 8 tunnel inputs (I1-I8) are transmitted to 8 tunnel outputs (O1-O8).
As shown in Figure 3, inner circuit board pilot relay, make the 1st relay 3-1 conducting, the 1st relay 3-1 controls the 1st lever 5-1 and moves upward, the 1st right-angle prism 4-1 is entered in the reflected light path, and the input light (I1) of the 1st input optical fibre collimating apparatus 6-1 of branch reflexes to public output (COM).The circuit board pilot relay that while is inner, make the 2nd relay ... the 8th relay remains open, the 2nd right-angle prism ... the 8th right-angle prism the 2nd relay ... under the lever drives of the 8th relay, remain on nadir and withdraw from reflected light path, thereby 7 tunnel inputs (I2-I8) are transmitted to 7 tunnel outputs (O2-O8).
As shown in Figure 4, inner circuit board pilot relay makes the 8th relay 3-8 conducting, and the 8th relay 3-8 controls the 8th lever 5-8 and moves upward, the 8th right-angle prism 4-8 is entered in the reflected light path, and the input light (I1) of the 8th branch's input optical fibre collimating apparatus reflexes to public output (COM).The circuit board pilot relay that while is inner, make the 1st relay 3-1 ... the 7th relay remains open, the 1st right-angle prism 4-1 ... the 7th right-angle prism is at the 1st relay ... under the lever drives of the 7th relay, remain on nadir and withdraw from reflected light path, thereby other 7 tunnel inputs (I1-I7) are transmitted to corresponding 7 tunnel outputs (O1-O7).
As shown in Figure 5, inner circuit board pilot relay makes the 4th relay conducting, and the 4th relay is controlled the 4th lever and moved upward, the 4th right-angle prism is entered in the reflected light path, and the input light (I1) of the 4th branch's input optical fibre collimating apparatus reflexes to public output (COM).The circuit board pilot relay that while is inner, make the 1st relay 3-1, the 2nd relay 3-2, the 3rd relay and the 5th relay ... the 8th relay 3-8 remains open, the 1st right-angle prism 4-1, the 2nd right-angle prism 4-2, the 3rd right-angle prism and the 5th right-angle prism ... the 8th right-angle prism 4-8 is at the 1st relay 3-1, the 2nd relay 3-2, the 3rd relay and the 5th relay ... under the lever drives of the 8th relay 3-8, remain on nadir and withdraw from reflected light path, thereby other 7 tunnel inputs (I1-I3 and I5-I8) are transmitted to 7 tunnel corresponding outputs (O1-O3 and O5-O8).
Claims (10)
1. a N+1 light path is protected optical switch module, comprise end box, branch's input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus, public output optical fibre collimating apparatus and expansion output optical fibre collimating apparatus, it is characterized in that: the same level height of sidewall offers a plurality of collimating apparatus through holes around end box, branch's input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus, public output optical fibre collimating apparatus and expansion output optical fibre collimating apparatus are affixed with the collimating apparatus through hole respectively; Be provided with a plurality of relays that have lever in the inner chamber of end box, the automatically controlled pin of relay is arranged on the circuit board of box inside, the end, is drawn by the socket that end box sidepiece is installed, and the lever rear end of each relay is provided with right-angle prism.
2. N+1 light path protection optical switch module according to claim 1 is characterized in that: offer 2 * N+2 collimating apparatus through hole respectively on the sidewall around the box of the described end.
3. N+1 light path according to claim 1 is protected optical switch module, it is characterized in that: described branch input optical fibre collimating apparatus is N, and branch's output optical fibre collimating apparatus is N.
4. according to claim 2 or 3 described N+1 light path protection optical switch modules, it is characterized in that: described N is positive integer, and span is 1≤N≤128.
5. N+1 light path according to claim 1 is protected optical switch module, it is characterized in that: described branch input optical fibre collimating apparatus is arranged on end box wherein in the collimating apparatus through hole on sidewall, and branch's output optical fibre collimating apparatus is arranged in the collimating apparatus through hole on the another side sidewall corresponding with branch input optical fibre collimating apparatus; Public output optical fibre collimating apparatus and expansion output optical fibre collimating apparatus are separately positioned in the collimating apparatus through hole on all the other two sides of end box.
6. N+1 light path according to claim 1 is protected optical switch module, it is characterized in that: described branch input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus, public output optical fibre dimension collimating apparatus and expansion output optical fibre collimating apparatus are the single fiber collimating apparatus.
7. N+1 light path according to claim 1 protection optical switch module is characterized in that: described right-angle prism is corresponding with branch input optical fibre collimating apparatus, branch's output optical fibre collimating apparatus respectively, and is positioned on the light path of public output optical fibre collimating apparatus.
8. N+1 light path according to claim 1 is protected optical switch module, and it is characterized in that: described right-angle prism is that the cross section is the prism of right-angle triangle, and the inclined-plane of right-angle prism is fully reflecting surface.
9. N+1 light path according to claim 1 is protected optical switch module; it is characterized in that: the light path of the plane of incidence of described right-angle prism and branch's input optical fibre collimating apparatus is 90 ° of angles, and the light path of the exit facet of right-angle prism and public output optical fibre collimating apparatus is 90 ° of angles.
10. N+1 light path according to claim 1 is protected optical switch module, it is characterized in that: the front end of described lever is fixed in the armature top of relay, and the drive right-angle prism moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725309 CN203054266U (en) | 2012-12-27 | 2012-12-27 | N+1-channel optical switch module for optical path protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725309 CN203054266U (en) | 2012-12-27 | 2012-12-27 | N+1-channel optical switch module for optical path protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054266U true CN203054266U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725309 Expired - Lifetime CN203054266U (en) | 2012-12-27 | 2012-12-27 | N+1-channel optical switch module for optical path protection |
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| CN (1) | CN203054266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048738A (en) * | 2012-12-27 | 2013-04-17 | 中国电子科技集团公司第三十四研究所 | N+1 optical path protection optical switch module |
| CN109375367A (en) * | 2018-12-13 | 2019-02-22 | 中国电子科技集团公司第三十四研究所 | A kind of M × N mechanical optical switch |
| CN110082864A (en) * | 2019-04-28 | 2019-08-02 | 武汉光迅科技股份有限公司 | A kind of high integration light protective switch |
-
2012
- 2012-12-27 CN CN 201220725309 patent/CN203054266U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048738A (en) * | 2012-12-27 | 2013-04-17 | 中国电子科技集团公司第三十四研究所 | N+1 optical path protection optical switch module |
| CN103048738B (en) * | 2012-12-27 | 2015-04-15 | 中国电子科技集团公司第三十四研究所 | N+1 optical path protection optical switch module |
| CN109375367A (en) * | 2018-12-13 | 2019-02-22 | 中国电子科技集团公司第三十四研究所 | A kind of M × N mechanical optical switch |
| CN109375367B (en) * | 2018-12-13 | 2024-02-13 | 中国电子科技集团公司第三十四研究所 | MXN mechanical optical switch |
| CN110082864A (en) * | 2019-04-28 | 2019-08-02 | 武汉光迅科技股份有限公司 | A kind of high integration light protective switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUILIN DAWEI COMMUNICATIONS TECHNOLOGIES Co. Assignor: NO 34 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group CORPORATION (CETC) Contract record no.: 2014450000033 Denomination of utility model: Light injection and fully internal reflection type 1XN light switch array Granted publication date: 20130710 License type: Exclusive License Record date: 20140603 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |