CN114280731A

CN114280731A - High-precision wavelength division multiplexer and preparation method thereof

Info

Publication number: CN114280731A
Application number: CN202111620160.2A
Authority: CN
Inventors: 张金胜; 张登巍; 冯丽彬; 李鑫
Original assignee: Suzhou Dingxin Photoelectric Technology Co ltd
Current assignee: Suzhou Dingxin Photoelectric Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-05

Abstract

The utility model belongs to the technical field of wavelength division multiplexer's technique and specifically relates to a high accuracy wavelength division multiplexer and preparation method is related to, mainly relates to a high accuracy wavelength division multiplexer, including outer shell pipe, two collimators of pegging graft and fixing at outer shell pipe both ends, the collimator has the link, the link has the ring and glues the groove, the tip of outer shell pipe have communicate in the injecting glue groove in ring gluey groove, the injecting glue groove has a plurality of along the circumference equipartition. The present application has the following effects: glue can be guided to the circular glue groove when being injected, the given glue can form regular glue after the glue is solidified at the position where the glue exists, and compared with the glue which is directly injected into the gap, the fixing effect is better.

Description

High-precision wavelength division multiplexer and preparation method thereof

Technical Field

The application relates to the technical field of wavelength division multiplexers, in particular to a high-precision wavelength division multiplexer and a preparation method thereof.

Background

The wavelength division multiplexing technology is a technology that optical carrier signals (carrying various information) with two or more different wavelengths are converged together at a sending end through a multiplexer and are coupled to the same optical fiber of an optical line for transmission; at the receiving end, the optical carriers of the various wavelengths are separated by a demultiplexer and then further processed by an optical receiver to recover the original signal. This technique of simultaneously transmitting two or more optical signals of different wavelengths in the same optical fiber is called wavelength division multiplexing.

An existing wavelength division multiplexer, such as the utility model patent with the publication number of CN206248883U, and an optical wavelength division multiplexer, include a glass tube with a housing having an outer diameter of 3.4mm, a dual-fiber reflective collimator and a single-fiber collimator that are sequentially connected are built in the glass tube, wherein the dual-fiber reflective collimator includes a first glass tube having an outer diameter of 2.4mm, a dual-fiber pigtail having an outer diameter of 1.8mm, a first lens having an outer diameter of 1.8mm, and an optical filter that are sequentially coupled, the single-fiber collimator includes a second glass tube having an outer diameter of 2.4mm, a single-fiber pigtail having an outer diameter of 1.8mm, and a second lens having an outer diameter of 1.8mm that are sequentially coupled, and the dual-fiber pigtail is sequentially coupled to an optical path of the single-fiber pigtail through the first lens, the optical filter, and the second lens. Through the arrangement of the internal structure, the wavelength division multiplexing is realized.

However, in the manufacturing process, in the final installation step, the double-fiber reflection-type collimator and the single-fiber collimator need to be sleeved on the outer shell glass tube, then glue solution is filled, the glue solution is difficult to be circumferentially and uniformly distributed on the outer wall of the collimator during filling, the bonding fixing points are uneven, and accordingly the bonding fixing effect is poor.

Disclosure of Invention

In order to improve the fixing effect of the wavelength division multiplexer, the application provides the high-precision wavelength division multiplexer and the preparation method.

In a first aspect, the present application provides a high-precision wavelength division multiplexer, which adopts the following technical scheme: the utility model provides a high accuracy wavelength division multiplexer, includes that outer shell pipe, two pegs graft and fix the collimater at outer shell pipe both ends, the collimater has the link, the link has the ring and glues the groove, the tip of outer shell pipe have communicate in the injecting glue groove in ring gluey groove, the injecting glue groove has a plurality of along the circumference equipartition.

Through adopting above-mentioned technical scheme, when bonding fixedly, carry out the injecting glue towards inside through the injecting glue groove, the glue solution of injecting glue tank ability this moment will be full of the ring and glue the groove gradually, the injecting glue groove of equipartition can realize that the tie point is along the circumference equipartition of shell pipe, and glue will be guided to the ring glue groove when pouring into, established glue solution exists the department, can make the glue solution form regular colloid after solidifying, compare with the glue solution of directly squeezing into in the clearance, fixed effect is better.

Preferably, the injecting glue groove includes the main road, the main road includes along the first way of axial setting and the second way of radial setting, the one end of first way pierces through the tip of shell pipe, the one end that the second was said communicates in the ring rubber groove, and the other end communicates in first way.

Through adopting above-mentioned technical scheme, carry out the injecting glue through the main road, will follow the primary injection to the second in saying, the back is accomplished to the injecting glue this moment, and the outer wall of collimater and shell pipe contact department remains intact, reduces the possibility of terminal surface fracture or damage in follow-up use.

Preferably, the glue injection groove further comprises an auxiliary channel, the auxiliary channel comprises a third channel and a fourth channel, the third channel and the fourth channel are axially arranged, one end of the third channel is closed, one end of the fourth channel is communicated with the glue ring groove, and the other end of the fourth channel is communicated with the third channel.

Through adopting above-mentioned technical scheme, when the main road carries out the encapsulating, will enter into earlier to the ring rubber inslot, then can reverse motion to the third and in the fourth, the third can be filled up under the pressure of injecting glue.

Preferably, the end part of the shell pipe is further provided with a glue overflow groove, one end of the glue overflow groove is communicated with the glue circulation groove, the other end of the glue overflow groove penetrates through the end part of the shell pipe, a resistance part is arranged in the inner wall of the glue overflow groove, and when glue solution overflows from the glue circulation groove to the glue overflow groove opening, the resistance part can be pushed out of the glue circulation groove opening.

Through adopting above-mentioned technical scheme, the in-process of encapsulating will enter into earlier to the ring and glue the inslot, then will fill with the auxiliary road, under the effect of resistance piece, the glue solution does not enter into earlier to overflowing in the gluey groove, when being full of in ring gluey groove, the auxiliary road, under the effect of resistance, the resistance piece that will slide and release overflow gluey groove, can know like this that inside has been full of the glue solution, holistic glue is complete even.

In a second aspect, the present application provides a method for manufacturing a high-precision wavelength division multiplexer, which adopts the following technical scheme: a preparation method of a high-precision wavelength division multiplexer comprises the following steps:

s1: the clamps are aligned, at least three clamps are arranged and are respectively used for clamping the shell tube and the two collimators, and the centers of the three clamps are kept at the same horizontal line;

s2: clamping, namely respectively clamping the shell tube and the two collimators, and respectively inserting the two collimators into two ends of the shell tube;

s3: injecting glue for fixation, namely injecting glue solution into the main channel to ensure that the glue solution fills the ring glue groove firstly and then fills the auxiliary channel;

s4: and (5) solidifying and forming.

Through adopting above-mentioned technical scheme, when assembling, adjust the alignment with anchor clamps earlier, can make the article keep on same water flat line, insert two collimators to both ends after for the position of ring glue groove corresponds with the injecting glue groove, then from the middle glue solution that pours, form the connection colloid after solidifying, thereby realize fixedly, and the fixed point is along circumference equipartition, and fixed effect is good.

Preferably, anchor clamps include the lift seat, set up clamp ring, the clamping piece of rotation connection on the clamp ring on the lift seat, the clamping piece has a plurality of along the circumference equipartition, the one end of clamping piece is rotated and is connected in the clamp ring, and the other end is located the clamp ring is inboard, be equipped with on the clamp ring and be used for the drive the driving piece of clamping piece simultaneous movement.

Through adopting above-mentioned technical scheme, make each clamping piece rotate through the driving piece, can adapt to the article of different diameters, the free end of clamping piece will change at the length of pivoted in-process distance centre of a circle department, and the free end can carry out the centre gripping with the article, and because the clamping piece is through some centre gripping at the clamping process is actual, and the clamping piece can be deformed, can also the article of the irregular outer wall of centre gripping, and the centre gripping effect is good.

Preferably, the driving member comprises a driving sleeve which is connected to the clamping ring in a positionable and rotatable manner, a gear ring is arranged on the inner wall of the driving sleeve, and a tooth socket for engaging with the gear ring is arranged on the rotating end of the clamping piece.

Through adopting above-mentioned technical scheme, through rotating the drive sleeve, make ring gear and tooth's socket cooperate, can make the clamping piece synchronous rotation to realize the effect of centre gripping.

Preferably, slide and circumference fixedly connected with stop collar along the axial on the clamp ring, the stop collar is close to one side of driving sleeve has a plurality of spacing bumps along the circumference equipartition, the confession has on the side of driving sleeve the spacing caulking groove of spacing bump embedding.

Through adopting above-mentioned technical scheme, after the centre gripping is fixed, through the stop collar that slides, can make spacing bump imbed to spacing caulking groove in, because stop collar circumference is fixed on the clamp ring, can realize the spacing of driving sleeve like this in step.

Preferably, when the clamping piece deforms and the driving sleeve has a tendency of rotating reversely, the limiting convex points are embedded into the limiting caulking grooves.

Through adopting above-mentioned technical scheme, at the in-process of centre gripping, after the clamping piece takes place deformation, will have the tendency of antiport, when embedding spacing bump to spacing caulking groove, spacing bump will support tightly on the inner wall of spacing caulking groove, has the effect of preventing deviating from, need not additionally increase the restriction piece to the stop collar.

Preferably, in the step S1, when performing the alignment, the same alignment post is clamped on each fixture, the alignment post has an alignment hole at the central axis, and the laser is irradiated to align the alignment post so that the laser can pass through the alignment hole of each fixture completely.

Through adopting above-mentioned technical scheme, through centre gripping alignment post, through centre gripping in advance and through the mode that laser was aimed at, realize that the clamp ring center on each anchor clamps can be in same water flat line, when centre gripping article once more, can also keep same water flat line.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the glue is guided into the circular glue groove when being injected, the given glue exists, the glue can form regular glue after being solidified, and the fixing effect is better compared with the glue directly injected into the gap;

2. after the glue solution is introduced and the interior of the glue solution is filled, the pressure of the glue solution pushes the resistance piece out of the glue overflow groove to indicate that the glue is filled;

3. the clamp can clamp objects in various adaptations in the clamping process, and can achieve the locking effect through self elasticity after clamping is finished.

Drawings

Fig. 1 is a schematic structural diagram of a high-precision wavelength division multiplexer in the present application;

FIG. 2 is a partial cross-sectional view of the high-precision wavelength division multiplexer of the present application, showing the primary and secondary tracks;

FIG. 3 is a partial cross-sectional view of another high precision wavelength division multiplexer of the present application showing an overflow trough;

FIG. 4 is a schematic view of the structure of the clamp of the present application;

FIG. 5 is a schematic view of a partial structure of the clamp of the present application;

FIG. 6 is a partial exploded view of the clamp of the present application;

fig. 7 is a schematic structural diagram of the stop collar in the present application.

Description of reference numerals: 100. a housing tube; 110. a collimator; 111. a glue circulating groove; 120. a main road; 121. a first pass; 122. a second pass; 130. a secondary road; 131. a third step; 132. a fourth step; 140. a glue overflow groove; 141. a damping block; 150. aligning the posts; 151. aligning the holes; 160. a thermally insulating cavity; 200. a clamp; 210. a lifting seat; 211. a base; 212. a lifting motor; 213. a threaded rod; 214. a slider; 220. a clamping ring; 221. mounting grooves; 230. a clip; 240. a drive sleeve; 241. a ring gear; 242. a tooth socket; 250. a limiting sleeve; 251. a limiting block; 252. a limiting groove; 253. limiting salient points; 254. and limiting caulking grooves.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The present embodiment discloses a high-precision wavelength division multiplexer.

The utility model provides a high accuracy wavelength division multiplexer, refers to fig. 1, fig. 2, includes that outer shell pipe 100, two pegs graft and fix the collimater 110 at outer shell pipe 100 both ends, and collimater 110 has the link, has ring glue groove 111 on the lateral wall of link, and the tip of outer shell pipe 100 has the injecting glue groove that communicates in ring glue groove 111, and the injecting glue groove has a plurality of along the circumference equipartition. When plugging, after the collimator 110 is inserted, the insertion distance is controlled so that the glue injection groove can be butted with the glue ring groove 111.

Referring to fig. 2, the glue injection groove includes a main channel 120, the main channel 120 includes a first channel 121 disposed along an axial direction and a second channel 122 disposed along a radial direction, one end of the first channel 121 penetrates through an end portion of the casing pipe 100, one end of the second channel 122 is communicated with the glue injection groove 111, and the other end is communicated with the first channel 121. Glue is injected from the first path 121, the glue enters the annular glue groove 111, circumferential fixation is achieved, and the glue in the main path 120 can form a fixation effect after being solidified.

In this embodiment, the glue injection groove further includes an auxiliary channel 130, the auxiliary channel 130 includes a third channel 131 axially disposed and a fourth channel 132 radially disposed, one end of the third channel 131 is closed, one end of the fourth channel 132 is communicated with the glue injection groove 111, and the other end is communicated with the third channel 131. When injecting glue in the main road 120, the glue solution will reversely enter the third road 131 and the fourth road 132, and because the third road 131 is closed, the third road 131 will be filled, so that the plurality of auxiliary roads 130 can realize better fixing effect.

Referring to fig. 2 and 3, the glue injection tank further includes a glue overflow tank 140 for indicating whether the glue solution is full, the glue overflow tank 140 is also divided into two sections in this embodiment, one section is along the axial direction and the other section is along the radial direction, which is similar to the main road 120 and the auxiliary road 130, one end of the glue overflow tank 140 is communicated with the glue circulation tank 111, the other end of the glue overflow tank passes through the end of the casing pipe 100, a resistance member is embedded on the axial section of the glue overflow tank 140, in this embodiment, the resistance member is a damping block 141, and the damping block 141 and the inner wall of the glue overflow tank 140 have friction force, so as to block the glue solution from overflowing from the glue circulation tank 111.

The implementation principle of the embodiment of the application is as follows: during injecting glue, inject the glue solution into from main road 120, will enter into ring gluey groove 111 earlier, the glue solution will be poured into to the auxiliary road 130 gradually this moment in, after pressure rises at this moment, will promote damping block 141 and slide in overflowing gluey groove 140, also can make to overflow in gluey groove 140 and be the last glue solution of injecting, the last resistance block is pushed out and is overflowed gluey groove 140, can realize like this that ring gluey groove 111 and the glue groove all are filled with the glue solution, final shaping back can realize better fixed effect.

In this embodiment, four glue injection grooves are provided, and are uniformly distributed along the circumferential direction, one of the glue injection grooves is a main channel 120, two auxiliary channels 130 are respectively arranged on two sides of the main channel 120, and the glue overflow grooves 140 are arranged opposite to the main channel 120, so that the auxiliary channels 130 can be filled first during pouring, and the early effect of the glue solution on the damping block 141 can be reduced.

In addition, based on the high-precision wavelength division multiplexer, the embodiment of the application also discloses a preparation method of the high-precision wavelength division multiplexer, which comprises the following steps:

s1: the jigs 200 are aligned, referring to fig. 4, at least three jigs 200 are provided for holding the casing tube 100 and the two collimators 110, respectively, the centers of the three jigs 200 are maintained at the same horizontal line, when performing alignment, the same alignment post 150 is firstly held on each jig 200, the center axis of the alignment post 150 is provided with an alignment hole 151, and laser is irradiated through the alignment hole 151 on each jig 200, so that the laser can completely pass through the alignment hole 151 on each jig 200;

s2: clamping, namely clamping the shell tube 100 and the two collimators 110 respectively, and inserting the two collimators 110 into two ends of the shell tube 100 respectively;

s3: injecting glue for fixation, namely injecting glue into the main channel 120 to ensure that the glue fills the ring glue groove 111 and then fills the auxiliary channel 130;

s4: and (5) solidifying and forming.

Referring to fig. 4 and 5, the above-mentioned clamp 200 includes a lifting seat 210, a clamping ring 220 disposed on the lifting seat 210, and a clamping piece 230 rotatably connected to the clamping ring 220, the lifting seat 210 includes a base 211, a lifting motor 212 mounted on the base 211, a threaded rod 213 rotatably connected to an output shaft of the lifting motor 212, and a slider 214 screwed on the threaded rod 213, the output shaft of the lifting motor 212 and the threaded rod 213 are both vertically disposed, and the slider 214 is slidably connected to the base 211 along the vertical direction and is circumferentially disposed. The clamp ring 220 is fixedly installed on the slider 214 and can move up and down by the lifting base 210.

Referring to fig. 5, a plurality of clamping pieces 230 are uniformly distributed along the circumferential direction, the clamping ring 220 is provided with a mounting groove 221 corresponding to the clamping pieces 230, the mounting groove 221 penetrates through both the inner side and the outer side of the clamping ring 220, one end of the clamping piece 230 is rotatably connected to the groove wall of the mounting groove 221, the other end of the clamping piece 230 is located on the inner side of the clamping ring 220, and a driving piece for driving the clamping piece 230 to move simultaneously is arranged on the clamping ring 220. One end of the clip 230 connected to the mounting groove 221 is a rotating end, and the other end is a free end.

Referring to fig. 6 and 7, the driving member in this embodiment includes a driving sleeve 240 rotatably connected to the clamping ring 220 in a positionable manner, the driving sleeve 240 has a gear ring 241 on an inner wall thereof, and the clip 230 has a tooth slot 242 on a rotating end thereof for engaging with the gear ring 241, so that when the driving sleeve 240 rotates, the clip 230 is driven to rotate, and the free end moves to change a distance from a center of a circle, thereby performing a clamping function.

In order to fix the driving sleeve 240, the clamping ring 220 is provided with a limiting sleeve 250, the limiting sleeve 250 is sleeved on the clamping ring 220, the inner wall of the limiting sleeve 250 is provided with three uniformly distributed limiting blocks 251, the outer wall of the clamping ring 220 is provided with a limiting groove 252 for embedding the limiting blocks 251, the opening direction of the limiting groove 252 is arranged along the central axis of the clamping ring 220, the limiting sleeve 250 can slide towards the driving sleeve 240, and the limiting sleeve 250 is circumferentially limited on the clamping ring 220. The ring surface of one side of the limit sleeve 250 close to the driving sleeve 240 is uniformly provided with 3 limit salient points 253, and the ring surface opposite to the driving sleeve 240 is provided with limit caulking grooves 254 for embedding the limit salient points 253, in the embodiment, the limit caulking grooves 254 are uniformly provided with a plurality of limit caulking grooves 254 along the circumferential direction, and the number of the limit caulking grooves is at least three times that of the limit salient points 253.

When carrying out the centre gripping, through rotating drive sleeve 240, make clamping piece 230 rotate, make the free end support tightly on the surface of article, because clamping piece 230 can the different article of adaptation, so anchor clamps 200 all can centre gripping shell pipe 100, collimater 110 etc. when centre gripping to clamping piece 230 takes place the deformation back, drive sleeve 240 has the antiport trend, imbed spacing bump 253 to spacing caulking groove 254 in, spacing bump 253 will support tightly on the inner wall of spacing caulking groove 254 this moment, has fine locking effect.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high accuracy wavelength division multiplexer, includes that shell pipe (100), two pegs graft and fix collimater (110) at shell pipe (100) both ends, its characterized in that: the collimator (110) is provided with a connecting end, the connecting end is provided with a ring rubber groove (111), the end part of the outer shell tube (100) is provided with a rubber injection groove communicated with the ring rubber groove (111), and the rubber injection groove is uniformly distributed with a plurality of rubber injection grooves along the circumferential direction.

2. A high precision wavelength division multiplexer according to claim 1, wherein: the injecting glue groove includes the main road (120), the main road (120) are including along first way (121) of axial setting and radial second way (122) that sets up, the one end of first way (121) is passed through the tip of shell pipe (100), the one end of second way (122) communicates in ring gluey groove (111), and the other end communicates in first way (121).

3. A high precision wavelength division multiplexer according to claim 1, wherein: the glue injection groove further comprises an auxiliary channel (130), the auxiliary channel (130) comprises a third channel (131) and a fourth channel (132), the third channel (131) is axially arranged, the fourth channel (132) is radially arranged, one end of the third channel (131) is arranged in a closed mode, one end of the fourth channel (132) is communicated with the glue ring groove (111), and the other end of the fourth channel (132) is communicated with the third channel (131).

4. A high precision wavelength division multiplexer according to claim 1, wherein: the end part of the shell tube (100) is also provided with a glue overflow groove (140), one end of the glue overflow groove (140) is communicated with the glue circulating groove (111), the other end of the glue overflow groove penetrates through the end part of the shell tube (100), a resistance piece is arranged in the inner wall of the glue overflow groove (140), and when glue solution overflows from the glue circulating groove (111) to the opening of the glue overflow groove (140), the resistance piece can be pushed out of the opening of the glue circulating groove (111).

5. A method for fabricating a high precision wavelength division multiplexer according to any one of claims 1-4, wherein: the method comprises the following steps:

s1: the clamps (200) are aligned, and at least three clamps (200) are arranged and are respectively used for clamping the shell tube (100) and the two collimators (110) to keep the centers of the three clamps (200) at the same horizontal line;

s2: clamping, namely clamping the shell tube (100) and the two collimators (110) respectively, and inserting the two collimators (110) into two ends of the shell tube (100) respectively;

s3: injecting glue for fixation, namely injecting glue into the main channel (120) to ensure that the glue fills the ring glue groove (111) and then fills the auxiliary channel (130);

s4: and (5) solidifying and forming.

6. A high precision wavelength division multiplexer manufacturing method according to claim 5, wherein: anchor clamps (200) are including going up and down seat (210), set up clamp ring (220) on going up and down seat (210), rotate clamping piece (230) of connection on clamp ring (220), clamping piece (230) have a plurality of along the circumference equipartition, the one end of clamping piece (230) is rotated and is connected in clamp ring (220), and the other end is located clamp ring (220) are inboard, be equipped with on clamp ring (220) and be used for the drive clamping piece (230) simultaneous movement's driving piece.

7. A high precision wavelength division multiplexer manufacturing method according to claim 6, wherein: the driving piece comprises a driving sleeve (240) which is connected to the clamping ring (220) in a positioning and rotating mode, a gear ring (241) is arranged on the inner wall of the driving sleeve (240), and a tooth groove (242) used for being meshed with the gear ring (241) is arranged on the rotating end of the clamping piece (230).

8. A high precision wavelength division multiplexer manufacturing method according to claim 7, wherein: along axial slip and circumference fixedly connected with stop collar (250) on clamp ring (220), stop collar (250) are close to one side of driving sleeve (240) has a plurality of spacing bumps (253) along the circumference equipartition, have the confession on the side of driving sleeve (240) spacing caulking groove (254) of spacing bump (253) embedding.

9. A high precision wavelength division multiplexer manufacturing method according to claim 8, wherein: when the clamping piece (230) deforms when rotated to enable the driving sleeve (240) to have a tendency of rotating reversely, the limiting convex points (253) are embedded into the limiting embedding grooves (254).

10. A high precision wavelength division multiplexer manufacturing method according to claim 5, wherein: in the step S1, when performing alignment, the same alignment post 150 is clamped on each jig 200, the alignment post 150 has an alignment hole 151 at the central axis, and the laser is irradiated to align the laser to pass through the alignment hole 151 of each jig 200 completely.