CN2522887Y - Photoswithch device - Google Patents
Photoswithch device Download PDFInfo
- Publication number
- CN2522887Y CN2522887Y CN01258680U CN01258680U CN2522887Y CN 2522887 Y CN2522887 Y CN 2522887Y CN 01258680 U CN01258680 U CN 01258680U CN 01258680 U CN01258680 U CN 01258680U CN 2522887 Y CN2522887 Y CN 2522887Y
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- Prior art keywords
- optical switch
- switch device
- input
- input end
- catoptron
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Abstract
An optical switch device comprises an input end, an output end, a beam reflector and a base, wherein, the base holds the beam reflector, the input end and the output end. The base is also provided with through holes which are corresponding to the input end and the output end; thereby the input end and the output end can be accurately set and aligned to the beam reflector.
Description
[technical field]
The utility model is about a kind of optical switch device, is meant a kind of multiport mechanical optical switch device with the pedestal that is easy to be provided with optical port especially.
[background technology]
Photoswitch is a kind of important optical passive component, and it can be used in optical fiber telecommunications system, fiber optic network, optical fiber measurement system and the optical fiber sensing system, plays the light path conversion, is indispensable critical elements in the optical communication field.
According to the photoswitch port number, can be divided into 1 * 1,1 * 2, types such as 1 * N, 2 * 2,4 * 4, N * M.Wherein, 1 * N photoswitch is a kind of multiport photoswitch, and it has a shared port and N can select port, and light signal can transfer to N from this common port can select port, but also reverse transfer.
According to the principle of work of photoswitch, can be divided into mechanical optical switch and non-mechanical optical switch two classes.Mechanical optical switch is to utilize machinery, electromagnetic mode that optical fiber or optical element are moved, thereby realizes the switching of light beam between different output ports.Wherein, moving fiber type mechanical optical switch generally has free fiber and fixed fiber, and driving mechanism moves free fiber, makes it to be coupled with different fixing optical fiber, realize the switching of light path, but because of fibre diameter is little, free fiber is easy to generate flexural deformation in moving process, is difficult to accurate coupling with fixed fiber, it is bigger to cause inserting loss, influence optical signal transmission, and this type photoswitch is not suitable for the multiport light transmission.Mobile optical element type photoswitch is another kind of mechanical optical switch, its input end fiber and output terminal optical fiber maintain static, realize the light path switching by moving of optical element, this kind photoswitch inserts loss lower (generally being not more than 2dB), isolation higher (generally greater than 45dB) can constitute the multiport photoswitch; And not being subjected to the influence of wavelength and polarization, is to use comparatively general a kind of mechanical optical switch at present.
As Fig. 1 and shown in Figure 2, United States Patent (USP) the 6th, 275, the 1 * N photoswitch that is disclosed for No. 626 comprises an input end 210, reflection unit 228 and some output terminals 250.Wherein, input end 210 comprises an input optical fibre 211 and a gradual index lens 212, in order to input beam 218; Some output terminals 250 comprise some optical fiber 251, and each links to each other with a gradual index lens 252, and it is on the circumference at center that these some output terminals 250 are distributed in this input end 210, and be arranged in parallel with this input end 210, in order to receive and the output light signal; Reflection unit 228 comprises three catoptrons 282,284 and 286, wherein first catoptron 282 is coupled with input end 210 input beams 218, can receive input beam 218 and reflex to second catoptron 284 and the 3rd catoptron 286, second catoptron 284 is vertical mutually with the 3rd catoptron 286 and near setting, the folded light beam of first catoptron 282 can be reflexed to again an output terminal 250, this three catoptron 282,284 and 286 is vertical in twos, and first catoptron 282 and second catoptron 284, has a determining deviation between the 3rd catoptron 286, this reflection unit 228 links to each other with a driving mechanism 224, can between the different angles position, rotate, make input beam 218 reflex to different output terminals 250.This photoswitch is provided with a counterbalance weight 240 at an end of reflection unit 228, makes this reflection unit 228 and counterbalance weight 240 can reach mass balance in Z-direction.
But, for making light signal accurately be coupled to each output optical fibre from input optical fibre, the input optical fibre of this photoswitch and first catoptron must be positioned at same straight line, and output optical fibre must accurately be aimed at respectively with other catoptron, more because of output optical fibre quantity, accurately aim at very difficult respectively.
[summary of the invention]
The purpose of this utility model is to provide a kind of being easy to accurately to aim at and the less optical switch device of volume.
For realizing the purpose of this utility model, the utility model optical switch device comprises: the input end of an input optical signal, the output terminal of some output light signals, one light path reflection unit, it has rotatable reverberator, the light signal of this input end input can be reflexed to one of these some output terminals, this optical switch device also comprises one first holding parts and second holding parts, the light path reflection unit is fixed on this first holding parts, this second holding parts is to be oppositely arranged with first holding parts, have an input hole and some delivery outlets, can this input end of corresponding fixing and some output terminals, and make input optical signal reflex to different output terminals through beam reflector.
Compared to prior art, the utlity model has following advantage: because of input end, output terminal and the reverberator of optical switch device is accurately to be arranged at two of one to support seat to go up corresponding input hole, delivery outlet and a groove, therefore, need not to aim at respectively input end and output terminal, only need input end and output terminal insertion and be fastened on to realize the light path aligning in corresponding input hole and the delivery outlet, reduce the adjustment difficulty, be easy to install, and compact conformation, volume is less, is suitable for producing in batches.
[description of drawings]
Fig. 1 is the stereographic map of existing photoswitch.
Fig. 2 is the reflection unit stereographic map of the existing photoswitch of Fig. 1.
Fig. 3 is the stereographic map of the utility model optical switch device.
Fig. 4 is the three-dimensional exploded view of the utility model optical switch device.
Fig. 5 is the beam reflector and the pedestal three-dimensional exploded view of the utility model optical switch device.
Fig. 6 is the light path synoptic diagram of the utility model optical switch device.
Fig. 7 is the multiport synoptic diagram of the utility model optical switch device.
[embodiment]
See also Fig. 3 and Fig. 4, the utility model optical switch device comprises: input end 51, some output terminals 52 (number is ten in the present embodiment), beam reflector 40, pedestal 30, housing 10 and lid 12.Wherein, input end 51 is in order to input optical signal, and output terminal 52 is in order to the output light signal; Beam reflector 40 comprises driver 401, holder 402, two catoptrons 422 and 424, this two catoptron 422 and 424 can be fixed in the holder 402, this holder 402 can link to each other with this driver 401, by the driving of driver 401, can turn to the different angles position; Pedestal 30 comprises that first supports seat 300 and second to support seat 350, wherein, this first support seat 300 has groove 310 and two screws 312, above-mentioned driver 401 can be arranged in this groove 310, and pass through screw 312 and fix with cooperating of screw 314, this second support seat 350 has an input hole 352 and some delivery outlets 354, wherein, some delivery outlets 354 are that being distributed in this input hole 352 is the circumference in the center of circle, and input hole 352 cooperates with input end 51, and 354 of some delivery outlets cooperate with some output terminals 52; Housing 10 cooperates with lid 12, constitutes accommodation space, can ccontaining this beam reflector 40 and pedestal 30, and be provided with leading-out portion 14 and can make input optical fibre (figure does not show) and output optical fibre (figure does not show) be arranged at housing 10.
See also Fig. 5, the beam reflector 40 (with reference to Fig. 4) of the utility model optical switch device and pedestal 30 three-dimensional exploded views.Holder 402 has the body of balanced structure, be the Y type substantially, it comprises a supporting arm 414 and two balance arms 416, wherein, supporting arm 414 can ccontaining two catoptrons 422 and 424, and this two catoptron 422 and 424 is vertical mutually to be provided with, and two balance arms 416 are about these supporting arm 414 mirror image symmetries, and this two supporting arm 416 is equipped with adjustable counterbalance weight 418, and its position-adjustable makes holder 402 reach the balanced rotation effect.Holder 402 can be fixedly connected on driver 401, turns to the different angles position under driver 401 drives.Second supports seat 350 to have an input hole 352, and when beam reflector 40 (with reference to Fig. 4) is assemblied in first when supporting seat 300, this input hole 352 is positioned at same straight line with the rotation axis of this holder 402, and some delivery outlets 354 are provided with around this input hole 352.
See also Fig. 3 and Fig. 4 again, pedestal 30 can by screw 321 and fixed orifice 320 cooperate or alternate manner is installed in the housing 10, the input hole 352 of pedestal 30 and some delivery outlets 354 are corresponding with input end 51 and some output terminals 52 respectively.
In the optical switch device of present embodiment, first supports seat 300 and second to support seat 350 to be oppositely arranged, has certain intervals therebetween, when the driver 401 of beam reflector 40 is installed in the groove 310 of the first support seat 300, driver 401 can order about holder 402 and freely rotate, input end 51 can pass and be fastened on input hole 352, some output terminals 52 can pass and be fastened on this some delivery outlets 354 respectively, the position of this first support seat 300 and beam reflector 40 accurately is set, can make input end 51 input optical signals that are installed in the second support seat, 350 input holes 352 accurately be incident to the catoptron 424 of this beam reflector 40, accurately be provided with second and support the some delivery outlets 354 of seat 350 and the position of catoptron 422, can make light signal to reflex to the some output terminals 52 that are retained on some delivery outlets 354 from catoptron 424, so, then can make light signal be incident to beam reflector 40 and to reflex to some output terminals 52 from input end 51 from this beam reflector 40.
Therefore, two relative positions of supporting between groove 310, input hole 352 and the delivery outlet 354 of seat 300 and 350 only need accurately be set, then 52 need of input end 51 and some output terminals insert respectively and are fixedly arranged in input hole 352 and the some delivery outlets 354, need not to aim at respectively adjustment, light path can accurately be set aim at, the convenient installation and adjustment, but and pedestal 30 die casting or machining form, be easy to a large amount of manufacturings, save cost.
Please cooperate referring to Fig. 6, catoptron 422 and 424 is vertically set on the holder 402 mutually again, and the center of rotation of holder 402 is by this catoptron 424, and counterbalance weight 418 is arranged on the balance arm 416, makes holder 402 be able to balanced rotation.Input end 51 generally has optical fiber 512 and gradual index lens 514, and the center of rotation of it and holder 402 is located along the same line, and input optical signal can be incident to catoptron 424.Some output terminals 52 (only showing one among the figure) generally have optical fiber 522 and gradual index lens 524, it cooperates with this catoptron 422, make catoptron 422 beam reflected can be coupled to output terminal 52, because of these some output terminals 52 are that being distributed in this input end 51 is on the circumference in the center of circle, and being center of rotation with beam reflector 40, this input end 51 is positioned at same straight line, so, when beam reflector 40 rotates the moving axis heart when rotating to diverse location, input optical signal can reflex to different output terminals 52 through two catoptrons 422 and 424.
See also Fig. 7 again, the multiport synoptic diagram of the utility model optical switch device.Input end 51 is positioned at same straight line with the center of rotation of holder 402, with input optical signal; The number of output terminal 52 can be decided according to the performance of photoswitch needs and driver 401 (seeing also Fig. 4), be ten in the present embodiment, it is on the circumference in the center of circle that each output terminal 52 is evenly distributed on input end 51, if with an output terminal 52 wherein is reference, then other each output terminal become with it 36 °, 72 ° ..., 324 ° of angles, driver 401 can be selected precision according to this angle, drives holder 402 and is coupled with each output terminal 52.Thereby light signal can optionally be coupled with different output terminals 52 from input end 51, reaches the purpose of switching optical path.
Claims (11)
1. optical switch device, comprise: the input end of an input optical signal, the output terminal of some output light signals, one light path reflection unit, it has rotatable reverberator, the light signal of this input end input can be reflexed to one of these some output terminals, it is characterized in that: this optical switch device comprises one first holding parts and second holding parts, the light path reflection unit can be fixed on this first holding parts, this second holding parts is to be oppositely arranged with first holding parts, have an input hole and some delivery outlets, can this input end of corresponding fixing and some output terminals.
2. optical switch device according to claim 1 is characterized in that: wherein input end and some output terminals have optical fiber and gradual index lens.
3. optical switch device according to claim 1 is characterized in that: wherein this light path reflection unit has a driver.
4. optical switch device according to claim 1 is characterized in that: wherein this rotatable reverberator has first catoptron and second catoptron.
5. optical switch device according to claim 4 is characterized in that: wherein this input end and first catoptron coupling.
6. optical switch device according to claim 4 is characterized in that: wherein these some output terminals and this second catoptron coupling.
7. optical switch device according to claim 4 is characterized in that: wherein this two catoptron is vertical mutually.
8. optical switch device according to claim 1 is characterized in that: wherein have certain intervals between this first holding parts and this second holding parts, this rotatable reverberator can rotate freely in this interval.
9. optical switch device according to claim 1 is characterized in that: wherein the rotation axis of this input hole and beam reflection device is positioned at same straight line.
10. optical switch device according to claim 1 is characterized in that: wherein this optical switch device has a housing, and the light path reflection unit is arranged in this housing.
11. optical switch device according to claim 1 is characterized in that: these some delivery outlets are evenly to distribute around this input hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01258680U CN2522887Y (en) | 2001-12-15 | 2001-12-15 | Photoswithch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01258680U CN2522887Y (en) | 2001-12-15 | 2001-12-15 | Photoswithch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2522887Y true CN2522887Y (en) | 2002-11-27 |
Family
ID=33667236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01258680U Expired - Fee Related CN2522887Y (en) | 2001-12-15 | 2001-12-15 | Photoswithch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2522887Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399420A (en) * | 2013-06-18 | 2013-11-20 | 山西大学 | General type rapid optical switch device driven through piezoelectricity |
| WO2021026998A1 (en) * | 2019-08-13 | 2021-02-18 | 尚华 | Wavelength switching apparatus |
-
2001
- 2001-12-15 CN CN01258680U patent/CN2522887Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399420A (en) * | 2013-06-18 | 2013-11-20 | 山西大学 | General type rapid optical switch device driven through piezoelectricity |
| CN103399420B (en) * | 2013-06-18 | 2015-09-30 | 山西大学 | The universal fast optical switchgear of Piezoelectric Driving |
| WO2021026998A1 (en) * | 2019-08-13 | 2021-02-18 | 尚华 | Wavelength switching apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |