CN115356809A - Optical coupling device and glue shape detection method thereof - Google Patents
Optical coupling device and glue shape detection method thereof Download PDFInfo
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- CN115356809A CN115356809A CN202210835862.0A CN202210835862A CN115356809A CN 115356809 A CN115356809 A CN 115356809A CN 202210835862 A CN202210835862 A CN 202210835862A CN 115356809 A CN115356809 A CN 115356809A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 104
- 239000003292 glue Substances 0.000 title claims abstract description 25
- 230000008878 coupling Effects 0.000 title claims abstract description 24
- 238000010168 coupling process Methods 0.000 title claims abstract description 24
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims abstract description 57
- 210000001503 joint Anatomy 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 23
- 230000001960 triggered effect Effects 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000005693 optoelectronics Effects 0.000 description 7
- 239000000758 substrate Substances 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 3
- 229920006335 epoxy glue Polymers 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4251—Sealed packages
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/424—Mounting of the optical light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4256—Details of housings
- G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses optical coupling equipment and a glue shape detection method thereof, wherein the optical coupling equipment comprises an optical coupler base shell and an optical coupler upper cover shell, wherein both sides of the optical coupler base shell are provided with a lapping groove, the lapping groove is provided with an optical fiber tail end, the middle part of the optical coupler base shell is provided with an optical coupler main body, the bottom of the optical coupler upper cover shell is provided with a butt joint frame, and both sides of the optical coupler base shell are provided with lapping positioning seats at the opening parts of the lapping grooves; according to the optical coupler, the optical coupler base shell and the optical coupler upper cover shell are in butt joint, the fixing assembly realizes rapid packaging between the optical coupler base shell and the optical coupler upper cover shell, and meanwhile, the clamping positioning assembly not only realizes positioning and fixing of the tail end of the optical fiber and prevents the optical fiber tail end part and the photoelectric element from loosening, but also strengthens the sealing property of connection between the tail end of the optical fiber and the optical coupler, and is convenient to disassemble so as to solve the specific reason of the fault of the optical coupler.
Description
Technical Field
The invention relates to the technical field of optical coupling equipment, in particular to optical coupling equipment and a glue shape detection method thereof.
Background
An optical coupler is an optical device that performs the distribution or combination of optical signals between different optical fibers. After the laser light is output from the pigtail in the laser device, it needs to be delivered to the application fiber through an optical coupler, which is one of the important components of the optical path, and the optical coupler includes a substrate having a substrate surface and at least one optoelectronic and/or photonic element. On the surface of the substrate, at least one optical fiber coupling alignment structure is arranged that is optically transmissive, the optical fiber for transmitting signals by means of electromagnetic radiation having a wavelength in the visible or infrared region has to be coupled with respect to the optoelectronic or photonic elements of the chip or other substrate, existing end pieces of optical fibers are typically coupled to optoelectronic or photonic elements, one or more optical fiber coupling alignment structures are required, in the simplest case, when the optical fiber end pieces are glued to the optoelectronic elements by means of light-transmissive glue droplets, the optical fiber end pieces are required to be precisely aligned to the active region of the optoelectronic elements, and the glue shape of the connection epoxy glue between the optical fiber ends and the optoelectronic elements can determine the coupling alignment accuracy between the optical fiber ends and the optoelectronic elements, typically by visual detection instead of manual detection.
However, when the optical coupler is frequently used, the optical fiber end piece is easy to pull, so that the optical fiber end piece and the photoelectric element are loosened, the quality of optical fiber coupling is affected, the optical coupler is generally packaged in a sealed shell by adopting plastic package glue, and when a problem occurs in the optical coupler, the optical coupler cannot be disassembled, so that the reason of the fault of the optical coupler cannot be judged difficultly.
Disclosure of Invention
The present invention is directed to an optical coupling device and a method for detecting a glue shape thereof, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: optical coupling equipment and glue shape detection method thereof, including optical coupler base casing and optical coupler upper cover casing, the overlap joint groove has all been seted up to the both sides of optical coupler base casing, be provided with the optic fibre end on the overlap joint groove, the middle part of optical coupler base casing is provided with the optical coupler main part, the bottom of optical coupler upper cover casing is provided with the butt joint frame, the opening part that the both sides of optical coupler base casing are located the overlap joint groove is provided with the overlap joint positioning seat, the both sides of butt joint frame all are provided with the extension piece, the both sides of extension piece all are provided with the dog cutting, the front side of two overlap joint positioning seats is provided with the fixed subassembly of being convenient for to adjust, the bottom that is located the spacing groove on the overlap joint positioning seat is provided with the joint locating component of being convenient for pushing down the regulation.
Preferably, the frame type constant head tank has been seted up at the top of optical coupler base casing, matches each other between butt joint frame and the frame type constant head tank, the overlap joint groove is provided with the multiunit, and the multiunit overlap joint groove is "mouthful" style of calligraphy and distributes, and the optic fibre end is obtuse angle bending structure, electric connection between optical coupler main part and the optic fibre end.
Preferably, the limiting grooves are formed in the two sides of the lap joint positioning seat, the inserting grooves are formed in the stop block inserting strips, the stop block inserting strips are matched with the limiting grooves, the frame-shaped air bags are arranged on the inner sides of the lap joint positioning seat, and the frame-shaped air bags are attached to the extending blocks.
Preferably, fixed subassembly includes the tractive post, and the front side of overlap joint positioning seat is opened and is equipped with the holding tank, and the opening part of holding tank is provided with the installation piece, and the tractive post slides and pegs graft at the installation piece, and the one end of tractive post is provided with the inserted block, and the inserted block is "T" type structure, and matches each other between tip and the slot, lies in the holding tank endotheca on the tractive post and has connect first spring.
Preferably, the tip of inserted block has been seted up and has been rotated the groove, rotates to be provided with the fixed column on the groove, rotates on the fixed column to cup joint and has rotated to support the piece, lies in on the fixed column to rotate to support to be provided with the torsional spring between the piece, and the one end pin of torsional spring is fixed to rotate to support on the piece, and other end pin is fixed on the fixed column, rotates to support the tip butt of piece at the last edge department of slot.
Preferably, two be provided with between the tip of traction post and connect the traction block, the middle part of connecting the traction block rotates to peg graft and has adjusted the post, adjusts the post and is "T" type axle column structure, and the tip of adjusting the post is provided with spacing fixture block, and the draw-in groove has all been seted up to the both sides of optical coupler base casing, and the draw-in groove is "T" type notch structure, and corresponds between opening part and the spacing fixture block.
Preferably, the joint constant head tank has been seted up to terminal one side of optic fibre, joint locating component includes the briquetting, and the first groove of accomodating has been seted up to the bottom that lies in the spacing groove on the overlap joint positioning seat, and the briquetting is "T" type structure, and slides and peg graft on first accomodating the groove, is provided with first gasbag between the bottom in briquetting and the first groove of accomodating, is provided with first connecting pipe between first gasbag and the frame shape gasbag.
Preferably, the second accommodating groove is formed in the inner side of the lap joint positioning seat, the second accommodating groove is connected with the clamping positioning block in a sliding and inserting mode, the clamping positioning block is of an L-shaped structure, the end portion of the clamping positioning block is matched with the clamping positioning groove, a second spring is arranged between the clamping positioning block and one end face of the second accommodating groove, a second air bag is arranged between the clamping positioning block and the other end face of the second accommodating groove, and a second connecting pipe is arranged between the second air bag and the first air bag.
A method for detecting the glue shape of an optical coupling device comprises the following steps:
s1: by arranging the annular light source comprising a plurality of light sources, the connecting position between the tail end of the optical fiber and the photoelectric element is positioned in the middle of the annular light source, so that the subsequent detection of the shape of the connecting epoxy resin adhesive between the tail end of the optical fiber and the photoelectric element is facilitated;
s2: setting a camera to enable the view finding direction of a camera lens to be perpendicular to the light source irradiation direction;
s3: the control box is arranged to control the light sources to be sequentially and intermittently triggered, when the light sources are triggered to irradiate, the camera is triggered to shoot, the shape of the epoxy resin adhesive connected between the tail end of the optical fiber and the photoelectric element is recorded, one end of time delay is carried out after the shooting action is finished to close the light sources and the camera, the annular light sources are sequentially and intermittently started when the light sources and the camera are sequentially triggered to shoot after a period of time delay is carried out, and when the light sources are triggered to irradiate, the camera is triggered to shoot;
s4: and counting the shape of the epoxy resin adhesive of the shot picture, and judging the connection alignment precision between the tail end of the optical fiber and the photoelectric element according to the shape of the compared sample.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the optical coupler, the optical coupler base shell and the optical coupler upper cover shell are in butt joint, the fixing component realizes rapid packaging between the optical coupler base shell and the optical coupler upper cover shell, and meanwhile, the clamping positioning component not only realizes positioning and fixing of the tail end of the optical fiber and prevents the optical fiber tail end part and a photoelectric element from loosening, but also strengthens the sealing property of connection between the tail end of the optical fiber and the optical coupler, and is convenient to disassemble so as to solve the specific reason of the fault of the optical coupler;
2. the positioning of the clamping positioning assembly is triggered by pressing the stop block inserting strip downwards, the bottom of the pressing block extrudes the first air bag to enable the frame-shaped air bag to expand, the frame-shaped air bag is tightly attached to the tail end of the optical fiber under the action of the limiting structure formed by the extending block and the lapping positioning seat, meanwhile, the other part of gas is transmitted into the second air bag through the second connecting pipe, the second air bag expands forwards under the limiting action of the second accommodating groove, and then the end part of the clamping positioning block is inserted into the corresponding clamping positioning groove, so that the positioning and fixing of the tail end of the optical fiber are realized, and the positioning and the fixing of the tail end of the optical fiber are realized simultaneously, the functions are powerful, and the looseness prevention of the tail end of the optical fiber is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a base housing of an optical coupler according to the present invention;
FIG. 3 is a schematic structural diagram of an upper cover housing of the optical coupler according to the present invention;
FIG. 4 is a cross-sectional view of the right side of the lap locating seat of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a cross-sectional view of the front side of the lap locating seat of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6 at B according to the present invention;
FIG. 8 is a schematic view of the end of the insert of the present invention;
fig. 9 is an enlarged schematic view of the structure of fig. 8 at C according to the present invention.
In the figure: an optical coupler base housing 1; a frame-shaped positioning groove 11; a card slot 12; an optical coupler upper cover housing 2; a docking frame 21; a lap joint groove 3; an optical fiber end 4; a clamping positioning groove 41; an optical coupler body 5; a lapping positioning seat 6; a limit groove 61; a frame-shaped air bag 62; an extension block 7; a stopper cutting 8; a slot 81; a pulling column 9; a mounting block 91; an insert block 92; a first spring 93; a fixed post 94; a rotation resisting block 95; a torsion spring 96; a traction block 97 is connected; an adjustment column 971; a limit fixture block 972; briquetting 10; a first bladder 101; a first connecting tube 102; clamping a positioning block 103; a second spring 104; a second airbag 105; and a second connecting tube 106.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the optical coupling equipment comprises an optical coupler base shell 1 and an optical coupler upper cover shell 2, wherein lapping grooves 3 are formed in two sides of the optical coupler base shell 1, a plurality of groups of lapping grooves 3 are formed, the plurality of groups of lapping grooves 3 are distributed in a shape like a Chinese character 'kou', optical fiber terminals 4 are arranged on the lapping grooves 3, the optical fiber terminals 4 are in obtuse-angle bending structures, and the lapping grooves 3 are convenient for positioning the optical fiber terminals 4;
the middle part of the optical coupler base shell 1 is provided with an optical coupler main body 5, the optical coupler main body 5 consists of photoelectric or photonic elements such as a substrate and the like, the optical coupler main body 5 is electrically connected with the tail end 4 of the optical fiber, and the tail end 4 of the optical fiber is generally glued to the photoelectric element by virtue of light transmissible glue droplets;
the top of the optical coupler base shell 1 is provided with a frame-shaped positioning groove 11, the bottom of the optical coupler upper cover shell 2 is provided with a butt-joint frame 21, the butt-joint frame 21 is matched with the frame-shaped positioning groove 11, positioning between the optical coupler base shell 1 and the optical coupler upper cover shell 2 is achieved, pressing of the upper end of the optical fiber tail end 4 is facilitated, and subsequent packaging is facilitated;
the lapping positioning seat 6 is arranged at the opening of the lapping groove 3 at two sides of the optical coupler base shell 1, the extension block 7 is fixed at two sides of the butt joint frame 21, the stop inserting strip 8 is fixed at two sides of the extension block 7, the limiting groove 61 is arranged at two sides of the lapping positioning seat 6, the slot 81 is arranged on the stop inserting strip 8, the stop inserting strip 8 and the limiting groove 61 are matched with each other, and the arrangement of the extension block 7 and the stop inserting strip 8 is beneficial to enhancing the contact area of the joint between the optical coupler and the optical fiber terminal 4 and enhancing the strength;
the inner sides of the lap joint positioning seats 6 are provided with frame-shaped air bags 62, the frame-shaped air bags 62 are attached to the extension blocks 7, the frame-shaped air bags 62 have a close-fitting sealing effect on the splicing of the optical fiber terminals 4, the front sides of the two lap joint positioning seats 6 are provided with fixing assemblies convenient to adjust, each fixing assembly comprises a traction column 9, the front side of each lap joint positioning seat 6 is provided with an accommodating groove, an opening of each accommodating groove is provided with an installation block 91, the installation blocks 91 are fixed on the front sides of the lap joint positioning seats 6 through screws, the traction columns 9 are spliced on the installation blocks 91 in a sliding mode, one ends of the traction columns 9 are welded with insertion blocks 92, the insertion blocks 92 are of T-shaped structures, the end parts of the insertion blocks are matched with the insertion grooves 81, and first springs 93 are sleeved in the accommodating grooves on the traction columns 9;
a rotating groove is formed in the end portion of the inserting block 92, a fixing column 94 is arranged on the rotating groove, a rotating resisting block 95 is rotatably sleeved on the fixing column 94, a torsion spring 96 is arranged between the rotating resisting blocks 95 on the fixing column 94, one end pin of the torsion spring 96 is fixed on the rotating resisting block 95, the other end pin is fixed on the fixing column 94, the end portion of the rotating resisting block 95 is abutted to the upper edge of the inserting groove 81, and under the elastic action of the torsion spring 96, the end portion of the resisting block 95 is abutted, so that the optical coupler is prevented from moving to enable a connecting limiting position to have a gap and shake, and packaging stability is facilitated;
a connecting traction block 97 is arranged between the end parts of the two traction columns 9, an adjusting column 971 is rotatably inserted in the middle part of the connecting traction block 97, the adjusting column 971 is in a T-shaped shaft structure, a limiting fixture block 972 is arranged at the end part of the adjusting column 971, clamping grooves 12 are formed in the two sides of the optical coupler base shell 1, the clamping grooves 12 are in a T-shaped groove structure, the opening part of each clamping groove corresponds to the corresponding limiting fixture block 972, the limiting fixture blocks 972 are inserted in the clamping grooves 12, and the adjusting column 971 is rotated to enable the limiting fixture blocks 972 to be clamped in the clamping grooves 12, so that the limiting fixation of the traction columns 9 is realized, and the random movement of a fixing component is prevented from influencing the encapsulation between the optical coupler base shell 1 and the optical coupler upper cover shell 2;
a clamping positioning assembly convenient for downward pressing and adjusting is arranged at the bottom of the limiting groove 61 on the lapping positioning seat 6, a clamping positioning groove 41 is formed in one side of the optical fiber terminal 4, the clamping positioning assembly comprises a pressing block 10, a first accommodating groove is formed in the bottom of the limiting groove 61 on the lapping positioning seat 6, the pressing block 10 is of a T-shaped structure and is inserted in the first accommodating groove in a sliding mode, a first air bag 101 is arranged between the pressing block 10 and the bottom of the first accommodating groove, a first connecting pipe 102 is arranged between the first air bag 101 and the frame-shaped air bag 62, the first air bag 101 is extruded by the bottom of the pressing block 10, gas in the first air bag 101 is compressed under the limiting effect of the first accommodating groove and is transmitted into the frame-shaped air bag 62 through the first connecting pipe 102, the frame-shaped air bag 62 is expanded, and the frame-shaped air bag 62 is tightly attached to the optical fiber terminal 4 under the limiting structure effect formed by the extending block 7 and the lapping positioning seat 6;
the second groove of accomodating has been seted up to the inboard of overlap joint positioning seat 6, it has joint locating piece 103 to slide to peg graft on the second groove of accomodating, joint locating piece 103 is "L" type structure, and match each other between tip and the joint constant head tank 41, be provided with second spring 104 between a terminal surface in joint locating piece 103 and the second groove of accomodating, under the spring action of second spring 104, be favorable to reseing of briquetting 10, be provided with second gasbag 105 between another terminal surface in joint locating piece 103 and the second groove of accomodating, be provided with second connecting pipe 106 between second gasbag 105 and the first gasbag 101, the top of briquetting 10 holds to the second and accomodates the inslot, joint locating piece 103 tip just in time and joint constant head tank 41 between match each other.
In practical use, the optical fiber tail end 4 penetrates through the frame-shaped air bag 62 to be lapped on the lapping groove 3 at the top of the optical coupler base shell 1, the end part of the optical fiber tail end 4 is connected on the side surface of the optical coupler main body 5 through viscose glue, the traction block 97 is connected by pulling with two hands to enable the traction columns 9 at two sides to move outwards to the accommodating groove, the end part of the inserting block 92 is far away from the limiting groove 61, the optical coupler upper cover shell 2 is butted with the optical coupler base shell 1, the butting frame 21 is spliced on the frame-shaped positioning groove 11, the block inserting strip 8 is spliced on the corresponding limiting groove 61, the extending block 7 is lapped on the lapping positioning seat 6, the extending block 7 is jointed with the frame-shaped air bag 62, in the process, the pressing block 10 of the block inserting strip 8 moves downwards, the first air bag 101 is pressed at the bottom of the pressing block 10, so that the gas in the first air bag 101 is compressed under the limiting effect of the first accommodating groove, the gas is transmitted into the frame-shaped air bag 62 through the first connecting tube 102, so that the frame-shaped air bag 62 is expanded, under the action of a limiting structure formed by the extension block 7 and the lap joint positioning seat 6, the frame-shaped air bag 62 is tightly attached to the optical fiber tail end 4, meanwhile, the other part of gas is transmitted into the second air bag 105 through the second connecting tube 106, the second air bag 105 is expanded forwards under the limiting action of the second accommodating groove, and then the clamping positioning block 103 is extruded to move towards the outside of the second accommodating groove, so that the end part of the clamping positioning block 103 is inserted into the corresponding clamping positioning groove 41, the positioning and fixing of the optical fiber tail end 4 are realized, after that, the traction block 97 is released, under the elastic force of the first spring 93, the end part of the insertion block 92 is inserted into the corresponding insertion groove 81, under the elastic force of the torsion spring 96, the end part of the abutting block 95 is realized at the upper edge of the insertion groove 81, and the end part of the abutting block 95 prevents the movement of the optical coupler from causing the connecting limiting position to have a gap to abut and shake, be favorable to the stability of encapsulation, thereby realize the spacing fixed between optical coupler base casing 1 and the optical coupler upper cover casing 2, peg graft spacing fixture block 972 on draw-in groove 12 this moment, and rotate and adjust post 971 and make spacing fixture block 972 joint in draw-in groove 12, realize the spacing fixed of traction post 9, prevent that fixed subassembly from removing at will and influencing the encapsulation between optical coupler base casing 1 and the optical coupler upper cover casing 2, thereby prevent to become flexible between optic fibre end and the photoelectric element, and strengthened the leakproofness of being connected between optic fibre end 4 and the optical coupler.
A method for detecting the glue shape of an optical coupling device comprises the following steps:
s1: by arranging the annular light source comprising a plurality of light sources, the connecting position between the tail end of the optical fiber and the photoelectric element is positioned in the middle of the annular light source, so that the subsequent detection of the shape of the connecting epoxy resin adhesive between the tail end of the optical fiber and the photoelectric element is facilitated;
s2: setting a camera to enable the view finding direction of a camera lens to be perpendicular to the light source irradiation direction;
s3: the control box is arranged to control the light sources to be sequentially and intermittently triggered, when the light sources are triggered to irradiate, the camera is triggered to shoot, the shape of the epoxy resin adhesive connected between the tail end of the optical fiber and the photoelectric element is recorded, one end of time delay is carried out after the shooting action is finished to close the light sources and the camera, the annular light sources are sequentially and intermittently started after the time delay is carried out for a period of time, and when the light sources are triggered to irradiate, the camera is triggered to shoot;
s4: and counting the shape of the epoxy resin glue of the shot picture, and judging the connection alignment precision between the tail end of the optical fiber and the photoelectric element according to the compared sample shape.
Carry out glue shape through above step and detect, visual detection generally includes the sample of the sample that the vision was shot and the sample of contrast, the sample of contrast refers to the gluey shape of junction epoxy glue after accurate butt joint between optical fiber end and the photoelectric element, whether carry out the shape of gluing through the photo of shooing and judge the precision of being connected the alignment between optical fiber end and the photoelectric element with the sample of contrast is unanimous, avoid only once taking a picture and lead to the gluey shape of junction epoxy glue between optical fiber end and the photoelectric element to compare with the sample of contrast, thereby improve the accuracy that glue shape detected, be favorable to the fastness of being connected between optical fiber end part and the photoelectric element, guarantee the accurate butt joint between optical fiber end and the photoelectric element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Optical coupling equipment and glue shape detection method thereof, including optical coupler base casing and optical coupler upper cover casing, its characterized in that: both sides of the optical coupler base shell are provided with lapping grooves, and the lapping grooves are provided with optical fiber tail ends;
the middle part of optical coupler base casing is provided with the optical coupler main part, the bottom of optical coupler upper cover casing is provided with the butt joint frame, the both sides of optical coupler base casing are located the opening part in overlap joint groove and are provided with the overlap joint positioning seat, the both sides of butt joint frame all are provided with the extension piece, the both sides of extending the piece all are provided with the dog cutting, the front side of two overlap joint positioning seats is provided with the fixed subassembly of being convenient for to adjust, the bottom that is located the spacing groove on the overlap joint positioning seat is provided with the joint locating component of being convenient for push down the regulation.
2. The optical coupling device and the glue shape detection method thereof according to claim 1, wherein: frame type constant head tank has been seted up at the top of optical coupler base casing, matches each other between butt joint frame and the frame type constant head tank, the overlap joint groove is provided with the multiunit, and the multiunit overlap joint groove is "mouthful" style of calligraphy and distributes, and the terminal obtuse angle structure of buckling that is of optic fibre, electric connection between optical coupler main part and the optic fibre end.
3. The optical coupling device and the method for detecting the glue shape thereof according to claim 1, wherein: spacing grooves are formed in the two sides of the lap joint positioning seat, slots are formed in the stop dog inserting strips, the stop dog inserting strips are matched with the spacing grooves, the frame-shaped air bags are arranged on the inner sides of the lap joint positioning seat, and the frame-shaped air bags are attached to the extension blocks.
4. The optical coupling device and the method for detecting the glue shape thereof according to claim 1, wherein: fixed subassembly includes the tractive post, and the front side of overlap joint positioning seat is opened and is equipped with the holding tank, and the opening part of holding tank is provided with the installation piece, and the tractive post slides and pegs graft at the installation piece, and the one end of tractive post is provided with the inserted block, and the inserted block is "T" type structure, and matches each other between tip and the slot, lies in the holding tank endotheca on the tractive post and has connect first spring.
5. The optical coupling device and the glue shape detection method thereof according to claim 4, wherein: the rotation groove has been seted up to the tip of inserted block, rotates to be provided with the fixed column on the groove, rotates on the fixed column to cup joint and rotates to support the piece, lies in on the fixed column to rotate to support to be provided with the torsional spring between the piece, and the one end pin of torsional spring is fixed to rotate to support on the piece, and other end pin is fixed on the fixed column, rotates to support the tip butt of piece and is located at the last edge of slot.
6. The optical coupling device and the glue shape detection method thereof according to claim 4, wherein: two be provided with between the tip of traction post and connect the traction block, the middle part of connecting the traction block rotates to peg graft and has adjusted the post, adjusts the post and is "T" type axle column structure, and the tip of adjusting the post is provided with spacing fixture block, and the draw-in groove has all been seted up to the both sides of optical coupler base casing, and the draw-in groove is "T" type notch structure, and corresponds between opening part and the spacing fixture block.
7. The optical coupling device and the glue shape detection method thereof according to claim 1, wherein: the clamping positioning groove is formed in one side of the tail end of the optical fiber, the clamping positioning assembly comprises a pressing block, a first accommodating groove is formed in the bottom of the limiting groove in the lapping positioning seat, the pressing block is of a T-shaped structure and is inserted into the first accommodating groove in a sliding mode, a first air bag is arranged between the pressing block and the bottom of the first accommodating groove, and a first connecting pipe is arranged between the first air bag and the frame-shaped air bag.
8. The optical coupling device and the glue shape detection method thereof according to claim 1, wherein: the second is accomodate the groove to the inboard of overlap joint positioning seat has been seted up, and the second is accomodate and is pegged graft on the groove and have the joint locating piece, and the joint locating piece is "L" type structure, and matches each other between tip and the joint constant head tank, is provided with the second spring between the joint locating piece and the terminal surface in second accomodating the groove, is provided with the second gasbag between another terminal surface in joint locating piece and second accomodating groove, is provided with the second between second gasbag and the first gasbag and links the pipe.
9. A method for detecting glue shapes of an optical coupling device according to any one of claims 5 to 8, characterized in that: the detection method comprises the following steps:
s1: by arranging the annular light source comprising a plurality of light sources, the connecting position between the tail end of the optical fiber and the photoelectric element is positioned in the middle of the annular light source, so that the subsequent detection of the shape of the connecting epoxy resin adhesive between the tail end of the optical fiber and the photoelectric element is facilitated;
s2: setting a camera to enable the view finding direction of a camera lens to be perpendicular to the light source irradiation direction;
s3: the control box is arranged to control the light sources to be sequentially and intermittently triggered, when the light sources are triggered to irradiate, the camera is triggered to shoot, the shape of the epoxy resin adhesive connected between the tail end of the optical fiber and the photoelectric element is recorded, one end of time delay is carried out after the shooting action is finished to close the light sources and the camera, the annular light sources are sequentially and intermittently started after the time delay is carried out for a period of time, and when the light sources are triggered to irradiate, the camera is triggered to shoot;
s4: and counting the shape of the epoxy resin adhesive of the shot picture, and judging the connection alignment precision between the tail end of the optical fiber and the photoelectric element according to the shape of the compared sample.
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