CN103869420A

CN103869420A - Photoswitch

Info

Publication number: CN103869420A
Application number: CN201410075626.9A
Authority: CN
Inventors: 姚凤岐
Original assignee: Guangxi Peace Jnc Electronics Technology Co Ltd
Current assignee: Guangxi Peace Jnc Electronics Technology Co Ltd
Priority date: 2014-03-04
Filing date: 2014-03-04
Publication date: 2014-06-18
Anticipated expiration: 2034-03-04
Also published as: CN103869420B

Abstract

The invention relates to a photoswitch which comprises a fixing seat (7), a relay (2), a relay swing arm (3), an input optical fiber (4) and output optical fibers (8), wherein the middle of the relay swing arm (3) is connected to the relay (2) by a pivot shaft (1); the photoswitch is characterized by also comprising an input optical fiber supporter (5) and two output optical fiber supporters (6), wherein the input optical fiber supporter (5) is arranged at one end, close to the fixing seat (7), of the relay swing arm (3), the two output optical fiber supporters (6) are arranged on the fixing seat (7) up and down, the input optical fiber supporter (5) and the output optical fiber supporters (6) are respectively provided with V-shaped grooves for fixing the optical fibers, and when the relay (2) acts, the input optical fiber (4) respectively aligns to the output optical fibers (8) on the two output optical fiber supporters (6). The photoswitch is simple in structure, little in light loss and high in reliability.

Description

Photoswitch

Technical field

The present invention relates to light shutter device field, specifically a kind of photoswitch that is applied to Optical Fiber Transmission field.

Background technology

Photoswitch is a kind of device of controlling light signal in fiber optic network and carrying out along selected optical fiber communication, along with the application of optical fiber in Internet Transmission is increasing, the effect of photoswitch is also increasing, and photoswitch has become ingredient important in fiber optic network today.

Desirable photoswitch should have low insertion loss, good repeatability, long life-span, little volume and low cost.Traditional photoswitch uses photocon (as prism) to enter light path or leaves light path and reaches the object that changes light path, this kind of photoswitch uses optical device quantity more, be difficult to guarantee aim at accurately and optical fiber can transmit preferably, cause cost higher, light loss is larger, therefore do not need to use prism, but the direct trend that has become photoswitch application based on optical fiber to the photoswitch of light, the principle of this photoswitch is direct moving fiber, the end of two optical fiber is aimed at mutually, light beam passes through from its narrower spacing, as the publication number United States Patent (USP) that is US6990267 and the publication number United States Patent (USP) that is US6044186A, above-mentioned US6990267 patent is by physical construction moving fiber, this physical construction is comparatively complicated, need the movement that has operated on it comparatively accurately optical fiber to reach accurate aligning, and the setting accuracy to input optical fibre is poor in US6044186A patent, it is comparatively easily bending after the end relative with output optical fibre is limited, not only cause the reduction of optical signal transmission accuracy, light loss is large, and repeatability and reliability low.

Summary of the invention

Technical matters to be solved by this invention is: a kind of simple in structure, light loss is little, reliability is high photoswitch is provided.

The technical solution adopted in the present invention is: a kind of photoswitch is provided, comprise holder, relay, relay swing arm, input optical fibre and output optical fibre, the middle part of described relay swing arm is pivotally connected on relay, also comprise an input optical fibre supporter and two output optical fibre supporters, described input optical fibre supporter is located at relay swing arm one end near holder, two output optical fibre supporters are located on holder up and down, described input optical fibre supporter and output optical fibre supporter are equipped with the V-shaped groove for fixed fiber, when the actuating of relay, output optical fibre on two output optical fibre supporters of input optical fibre difference positive alignment.

Adopt after above structure, photoswitch of the present invention does not rely on collimation lens, do not need light beam to change prism yet, by the action of relay, input optical fibre supporter is moved along with the swing of relay swing arm, make input optical fibre and corresponding output optical fibre positive alignment carry out coupling, this travel mechanism designs comparatively advantages of simple, the optical fiber supporter that use is provided with V-shaped groove is fixed location to input optical fibre and output optical fibre, both are easy to regulate and aim at comparatively accurate, in optical fiber moving process, do not produce the situation of fibre-optical bending, reduce light loss, assembly cost reduces, repeatability and reliability are high.

As preferably, the end face of described input optical fibre and output optical fibre is all 3～15 ⁰skewed, can reduce the return loss of light.

As preferably, the distance between described input optical fibre and output optical fibre is less than 5mm, selects suitable distance to make light laser propagation effect good, and light loss is little.

As preferably, described input optical fibre supporter and output optical fibre supporter are equipped with N V-shaped groove, the optical switch construction of N 1X2 of composition, increase the quantity that multiple V-shaped grooves have expanded optical fiber interface, expand the structure of switch, can meet and continue to expand and the communication bandwidth of development and the demand of Global Internet.

Accompanying drawing explanation

Fig. 1 is the structural representation of photoswitch of the present invention.

Fig. 2 is another structural representation of photoswitch of the present invention.

In figure, 1, pivot, 2, relay, 3, relay swing arm, 4, input optical fibre, 5, input optical fibre supporter, 6, output optical fibre supporter, 7, holder, 8, output optical fibre.

Embodiment

Below in conjunction with drawings and Examples, the present invention is described in detail.

As shown in Figure 1, photoswitch of the present invention, comprise holder 7, relay 2, relay swing arm 3, input optical fibre 4 and output optical fibre 8, relay 2 is located at holder 7 one sides, the middle part of relay swing arm 3 is connected on relay 2 by pivot 1, photoswitch of the present invention also comprises an input optical fibre supporter 5 and two output optical fibre supporters 6, input optical fibre supporter 5 is located at relay swing arm 3 one end near holder 7, two output optical fibre supporters 6 are located on holder 7 up and down, input optical fibre supporter 5 and output optical fibre supporter 6 are equipped with the V-shaped groove for fixed fiber, when relay 2 moves, the two ends of relay swing arm 3 are take pivot 1 as fulcrum knee-action, input optical fibre 4 is along with the action of relay 2 moves up and down respectively, output optical fibre 8 on two output optical fibre supporters 6 of its end difference positive alignment.

In the specific implementation, the end face of input optical fibre 4 and output optical fibre 8 is all 3 in the present invention ⁰～15 ⁰skewed, be preferably 8 ⁰, can reduce like this return loss of light, the distance between input optical fibre 4 and output optical fibre 8 is less than 5mm.

The present invention in the specific implementation, because input optical fibre supporter 5 is along with relay swing arm 3 swings up and down, two output optical fibre supporters 6 must arrange and have a certain degree, make input optical fibre 4 realize the requirement of positive alignment at upper and lower two positions and output optical fibre 8, in actual use, according to the situation of relay 2 and relay swing arm 3, the angle of output optical fibre supporter 6 general located in the above and output optical fibre supporter 6 is below 3 ⁰～13 ⁰input optical fibre supporter 5 and output optical fibre supporter 6 can be established N the V-shaped grooves such as two V-shaped grooves, three V-shaped grooves, four V-shaped grooves as required, the optical switch construction of N the 1X2 such as the two 1X2 of composition, three 1X2, four 1X2, each V-shaped groove is arranged in supporter, be arranged in parallel successively in a lateral direction or on longitudinal direction at each supporter, expand the quantity of optical fiber interface, expanded the structure of photoswitch.

As shown in Figure 2, the embodiment of the present invention is all established the transmitting procedure of two V-shaped grooves as example explanation photoswitch take input optical fibre supporter 5 and output optical fibre supporter 6, relay 2 is after energising, relay 2 one end produce magnetic force relay swing arm 3 are produced to suction, relay swing arm 3 two ends swing up and down and form two states, be positioned at when top when being positioned at the relay swing arm 3 of holder 7 one sides, A, the A1 input optical fibre 4 of the input optical fibre supporter 5 in relay swing arm 3 are of coupled connections with B, the B1 output optical fibre 8 of output optical fibre supporter 6 respectively; Be positioned at when below when being positioned at the relay swing arm 3 of holder 7 one sides, A, the A1 input optical fibre 4 of the input optical fibre supporter 5 in relay swing arm 3 are of coupled connections with C, the C1 output optical fibre 8 of output optical fibre supporter 6 respectively.

The explanation of above embodiment is only a part of embodiment of the present invention; rather than whole embodiment; based on the embodiment in the present invention, other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope of protection of the invention.

Claims

1. a photoswitch, comprise holder (7), relay (2), relay swing arm (3), input optical fibre (4) and output optical fibre (8), the middle part of described relay swing arm (3) is connected on relay (2) by pivot (1), it is characterized in that: also comprise an input optical fibre supporter (5) and two output optical fibre supporters (6), described input optical fibre supporter (5) is located at relay swing arm (3) one end near holder (7), two output optical fibre supporters (6) are located on holder (7) up and down, described input optical fibre supporter (5) and output optical fibre supporter (6) are equipped with the V-shaped groove for fixed fiber, when relay (2) action, output optical fibre (8) on input optical fibre (4) difference two output optical fibre supporters of positive alignment (6).

2. photoswitch according to claim 1, is characterized in that: the end face of described input optical fibre (4) and output optical fibre (8) is all 3～15 ⁰skewed.

3. photoswitch according to claim 2, is characterized in that: the distance between described input optical fibre (4) and output optical fibre (8) is less than 5mm.

4. photoswitch according to claim 1, is characterized in that: described input optical fibre supporter (5) and output optical fibre supporter (6) are equipped with N V-shaped groove, the optical switch construction of N 1X2 of composition.