CN208334704U - A kind of single-lens optical fiber splicer - Google Patents
A kind of single-lens optical fiber splicer Download PDFInfo
- Publication number
- CN208334704U CN208334704U CN201820711286.8U CN201820711286U CN208334704U CN 208334704 U CN208334704 U CN 208334704U CN 201820711286 U CN201820711286 U CN 201820711286U CN 208334704 U CN208334704 U CN 208334704U
- Authority
- CN
- China
- Prior art keywords
- lens
- optical fiber
- group
- light source
- convex lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model provides a kind of single-lens optical fiber splicer, including light source, camera lens, optical fiber align module, optical fiber, control module, display module and discharge module, control module receives location information of the camera lens about optical fiber, compare whether optical fiber is aligned, and shown by display module, while issuing instruction adjustment fiber position to optical fiber align module, it finally issues and instructs to discharge module, welding optic fibre, light source one and only one, camera lens one and only one；Camera lens includes the lens group being composed of five toroidal lens and imager chip, and lens group includes three pieces convex lens and two panels concavees lens, and imager chip is connected with control module；Light source enters the optical path and optical fiber of lens group, lens group and imager chip are arranged on same straight line, and the light that light source issues is projected optical fiber axial direction end face by lens group to be imaged on imager chip.
Description
Technical field
The utility model relates to the optical image technology in fused fiber splice field, in particular to a kind of single-lens fused fiber splice
Machine.
Background technique
Silica fibre is made of quartzy core and the silica clad being formed in around core, and is wrapped up by coat
Reinforce protection, light is transmitted in fiber core.In order to guarantee that optical signal effectively transmits certain distance in a fiber, needing will be relatively short
Optical fiber link together.Optical fiber splicer is a kind of high-accuracy utility device for merging light, mechanical, electrical height, can be provided
Fast, steadily in the long term, low-loss fiber junctions, for optical fiber set up and safeguard.Optical imagery module is in optical fiber splicer
One important component part when optical fiber splicer welding optic fibre, by optical microscope photography system, obtains two and needs welding
The alignment error of optical fiber is heated after adjusting this error to the range allowed using electrical discharge arc, then passes through optical fiber align mould
Block keeps two fiber end faces close to each other, fuses as entirety.
Whether existing optical fiber splicer is generally aligned from two-dimensional directional detection fiber, that is, use orthogonal X, Y-direction light
Source is radiated at the optical fiber endpoint for needing to connect, and by two groups of optical microscope photography systems come focal imaging, by Mechanical Driven
Mechanism adjusts the movement of optical microscope photography system, so that video camera is obtained optical fiber sharp image, judges two optical fiber accordingly
Alignment error.The characteristics of such optical fiber splicer bis- road optical microscope photography system composition of Shi You, and movement mechanism is needed to make two
Road optical microscope photography system reaches operating position, keeps imaging fiber clear.The heat sealing machine of this optical microscope photography system needs
Two optical microscope photography systems are wanted to carry out view finding, focus movement, mechanism is complicated, and stability is poor, and this optical microscope photography
Phenomena such as system is typically provided two light sources, be easy to cause ghost image.
Utility model content
Technical problem to be solved in the utility model is to make up above-mentioned the deficiencies in the prior art, provides a kind of single-lens light
Fine heat sealing machine, and it is provided only with a light source, so that the cost of optical fiber splicer declines and is conducive to the miniaturization of heat sealing machine.
The utility model is mainly realized by following technological means:
The utility model provides a kind of single-lens optical fiber splicer, including light source, camera lens, optical fiber align module, optical fiber, control
Molding block, display module and discharge module, the control module receive location information of the camera lens about optical fiber, relatively described in
Whether optical fiber is aligned, and is shown by the display module, while issuing instruction adjustment light to the optical fiber align module
Fine position finally issues to the discharge module and instructs, optical fiber described in welding, it is preferred that the light source one and only one, institute
State camera lens one and only one；The camera lens includes the lens group being composed of five toroidal lens and imager chip, described
Lens group includes three pieces convex lens and two panels concavees lens, and the imager chip is connected with the control module；The light source enters
The optical path of the lens group and the lens group, the imager chip are arranged on same straight line, the light that the light source issues
Optical fiber axial direction end face is projected by the lens group and is imaged on the imager chip.
Further, the lens group includes the cemented doublet group formed by third convex lens and the first concavees lens gluing, institute
It states in cemented doublet group, the third convex lens is close to the light source, and first concavees lens are close to the imager chip.
Further, which is characterized in that the third convex lens and first concavees lens carry out the curvature in glued face partly
Diameter is identical, and the two passes through the mutually glued connection of light-sensitive emulsion.
Further, the range of curvature radius of the cemented surface of the third convex lens and first concavees lens be 12.4mm ~
The range of curvature radius of 14.5mm, face of the third convex lens close to the light source are 8.3mm ~ 10.4mm, and described first is recessed
Range of curvature radius of the lens close to the face of the imager chip is 27.9mm ~ 30mm.
Further, it is equipped with the first convex lens and the second convex lens between the cemented doublet group and the light source, described the
One convex lens is close to the light source, and second convex lens is close to the cemented doublet group；The cemented doublet group and it is described at
As being equipped with the second concavees lens, first convex lens, the second convex lens, third convex lens, the first concavees lens, second between chip
Concavees lens are arranged successively to form lens group, and the optical axis of each lens is located along the same line.
Further, first convex lens is plane close to the face of the light source, and the face close to second convex lens is
Curved surface, the range of curvature radius of the curved surface of first convex lens are 11.3mm ~ 13.4mm；The two sides of second convex lens is equal
For curved surface, and the radius of curvature of two curved surfaces is identical, and range of curvature radius is 22.2mm ~ 24.3mm；Second concavees lens
Two sides be curved surface, wherein close to the face of the cemented doublet group range of curvature radius be 6.9mm ~ 9mm, close to it is described at
As the range of curvature radius in the face of chip is 3.1mm ~ 5.1mm.
Further, the distance between the cemented doublet group and second convex lens be less than or equal to 0.1mm, described second
The distance between convex lens and first convex lens are less than or equal to 1mm, the cemented doublet group and second concavees lens it
Between distance range be 6.5mm ~ 8.5mm.
Further, the axis of the camera lens is orthogonal in 90 ° with straight line where the optical fiber.
Further, the optical fiber splicer includes upper cover and body, and the upper cover includes reflective mirror, and the light source is fixed on
In the body, the light that the light source issues enters the lens group after the mirror reflection, into the lens group
Optical path and the lens group, the imager chip be arranged on same straight line.
Compared with prior art, the beneficial effect that the utility model reaches is:
The utility model utilizes single-lens optical fiber splicer, can greatly utilize the function of camera lens, and be conjugated
Distance reduces, and not only reduces costs but also be conducive to the miniaturization of optical fiber splicer, is designed, is made by the special construction inside camera lens
Obtain the generation for phenomena such as single-lens heat sealing machine reaches good imaging effect, avoids ghost image.
Detailed description of the invention
Fig. 1 is the machine core major part top view of the single-lens optical fiber splicer of the utility model；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is the perspective view of the machine core major part module disassembled form of Fig. 1；
Fig. 4 is the cross-sectional view of the single-lens optical fiber splicer embodiment two of the utility model；
Fig. 5 is the lens group sectional view of the single-lens optical fiber splicer of the utility model；
Fig. 6 is the index path of the lens group of the single-lens optical fiber splicer camera lens of the utility model；
Fig. 7 is actual effect figure of the camera lens to imaging fiber of the single-lens optical fiber splicer of the utility model.
Figure label:
1 light source, 2 bodies, 21 camera lenses, 211 lens groups, 2,111 first convex lenses, 2,112 second convex lenses, 2113 thirds are convex
2,114 first concavees lens of lens, 2,115 second concavees lens, 212 imager chips, 22 optical fiber align modules, 3 optical fiber, 4 upper covers, 41 is anti-
Light microscopic.
Specific embodiment
Below based on preferred embodiment and in conjunction with attached drawing, the present invention will be further described in detail:
The utility model provides a kind of single-lens optical fiber splicer, including light source 1, body 2, optical fiber 3, upper cover 4, control mould
Block, display module and discharge module, body 2 are connected with upper cover 4 by shaft, and body 2 includes camera lens 21 and optical fiber align module
22, camera lens 21 includes lens group 211 and imager chip 212, and the axis of camera lens 21 is orthogonal in 90 ° with 3 place straight line of optical fiber.
Light source 1 one and only one, and light source 1 issue and enter lens group 211 optical path and optical fiber 3, lens group 211 and
Imager chip 212 is arranged on same straight line, and the light that light source 1 issues is projected optical fiber axial direction end face by lens group 211
It is imaged on imager chip 212, light source 1 is there are many fixed form, for example, embodiment one, light source 1 is fixed on upper cover 4, or with propping up
Frame by 1 frame of light source above body 2 so that light source 1, optical fiber 3, lens group 211 and imager chip 212 are arranged in same straight line
On；Embodiment two, upper cover 4 includes reflective mirror 41, and reflective mirror 41 is fixed in upper cover 4, and light source 1 is fixed in body 2, light source
1 light issued enters lens group 211 after the reflection of reflective mirror 41, so that eventually entering into the light of lens group 211, optical fiber 3, lens
Group 211 and imager chip 212 are arranged on same straight line, it is preferred that the method that the utility model uses embodiment one, it should
, it is noted that the utility model to the fixation position of light source with no restrictions, only change the fixation position of light source and enter lens group
The reflection mode of optical path also answer within the protection scope of the present utility model, this will not be repeated here.
Camera lens 21 one and only one, and be fixed in fuselage 2, lens group 211 is fixed on camera lens 21 close to the one of optical fiber
End, lens group 211 include the first convex lens 2111, the second convex lens 2112, third convex lens 2113,2114 and of the first concavees lens
Second concavees lens 2115, wherein third convex lens 2113 and the first concavees lens 2114 carry out gluing by light-sensitive emulsion and form glued mirror
Piece group, and third convex lens 2113, close to 3 one end of optical fiber, the first concavees lens 2114 are close to 212 one end of imager chip；Cemented doublet
Except group, the first convex lens 2111 and the second convex lens 2112, and the first convex lens are provided between cemented doublet group and optical fiber 3
2111 close to 3 one end of optical fiber, the second convex lens 2112 close to cemented doublet group one end, cemented doublet group and imager chip 212 it
Between be provided with the second concavees lens 2115, the optical axis of each lens is located along the same line.Wherein, used in lens group 211 thoroughly
Mirror includes but is not limited to glass lens, and the focal range of formation is 5mm ~ 6mm.Imager chip 212 is fixed on camera lens 21 far from light
One end of fibre 3, and be connected with control module, the resolution ratio of imager chip is 640*480.
It is curved surface that third convex lens 2113 and the first concavees lens 2114, which carry out glued face, and radius of curvature is identical, model
Enclosing is 12.4mm ~ 14.5mm, and range of curvature radius of the third convex lens 2113 by the face of close to sources is 8.3mm ~ 10.4mm, the
Range of curvature radius of one concavees lens 2114 close to the face of imager chip is 27.9mm ~ 30mm；Except cemented doublet group, first is convex
Lens 2111 are plane by the face of close to sources, are curved surface, the curved surface of the first convex lens 2111 close to the face of the second convex lens 2112
Range of curvature radius be 11.3mm ~ 13.4mm, the two sides of the second convex lens 2112 is curved surface, and the curvature of two curved surfaces half
Diameter is identical, and range is 22.2mm ~ 24.3mm；The two sides of second concavees lens 2115 is curved surface, wherein close to cemented doublet group
Face range of curvature radius be 6.9mm ~ 9mm, close to imager chip face range of curvature radius be 3.1mm ~ 5.1mm.Glue
Conjunction the distance between lens set and the second convex lens 2112 range is 0mm ~ 0.1mm, the second convex lens 2112 and the first convex lens
The distance between 2111 ranges be 0mm ~ 1mm, the distance between cemented doublet group and the second concavees lens 2115 range for 6.5mm ~
8.5mm.The thickness range of first convex lens 2111 is 2.45mm ~ 2.65mm, and the thickness range of the second convex lens 2112 is
1.52mm ~ 1.72mm, the thickness range of third convex lens 2113 are 1.13mm ~ 1.33mm, the thickness model of the first concavees lens 2114
It encloses for 0.9mm ~ 1.1mm, the thickness range of the second concavees lens 2115 is 0.9mm ~ 1.1mm.
In the present embodiment, it is preferred that third convex lens 2113 and the first concavees lens 2114 carry out the curvature in glued face partly
Diameter is 13.45mm, and radius of curvature of the third convex lens 2113 by the face of close to sources is 9.35mm, and the first concavees lens 2114 are close
The radius of curvature in the face of imager chip is 28.95mm；Except cemented doublet group, the first convex lens 2111 is close to the second convex lens
The radius of curvature of 2112 curved surface is 12.33mm, and the radius of curvature of two curved surfaces of the second convex lens 2112 is 23.28mm；
Radius of curvature of second concavees lens 2115 close to the face of cemented doublet group is 7.93mm, the radius of curvature close to the face of imager chip
For 4.12mm.The distance between cemented doublet group and the second convex lens 2112 are 0.1mm, the second convex lens 2112 and the first convex lens
The distance between mirror 2111 is 0.1mm, and the distance between cemented doublet group and the second concavees lens 2115 are 7.3mm.First convex lens
Mirror 2111 with a thickness of 2.55mm, the second convex lens 2112 with a thickness of 1.62mm, third convex lens 2113 with a thickness of
1.23mm, the first concavees lens 2114 with a thickness of 1mm, the second concavees lens 2115 with a thickness of 1mm.Fig. 6 is that the utility model is real
Apply the index path of the lens group of example.
Through this embodiment, the amplification factor of camera lens is enabled to be amplified to original 4.3 times, imaging optical path enables to
The conjugation distance of imaging system camera lens reaches 50mm, is conducive to the miniaturization of heat sealing machine.
The lens parameters of the present embodiment are as follows:
(1) camera lens conjugation distance is 50mm, object distance 11.3mm, rear cut-off distance 20mm；
(2) camera lens amplification factor: 4.3X；
(3) visual range: 0.5mm, numerical aperture: 0.3；
(4) resolution ratio > 30%(110 line it is right/mm)；
(5) distortion distortion: edge < 0.23；
(6) imager chip: 3 μm of 640*480(pixel)；
(7) transmitted light spectral region: 625 ± 15nm.
A kind of workflow of single-lens optical fiber splicer of the utility model is described in detail below.
The optical fiber for carrying out welding 3 will be needed to be put into optical fiber align module 22, optical fiber 3 is observed by camera lens 21, and by light
The location information input control module of fibre 3, control module compares whether optical fiber 3 is aligned, and is shown by display module.Figure
7 be actual effect figure of the camera lens to imaging fiber of the single-lens optical fiber splicer of the utility model embodiment, and (A) is mirror in figure
The case where position misalignment of two optical fiber in-planes of first 21 observation, i.e. two optical fiber upper and lower position misalignments；(B) is in figure
Camera lens 21 observes the case where position misalignment of two optical fiber stereo directionals, both two optical fiber front-rear position misalignments；In figure (C)
The case where two optical fiber are aligned completely is observed for camera lens 21, i.e., two optical fiber upper and lower positions and front-rear position are aligned completely.If not
Alignment then issues instruction adjustment 3 position of optical fiber to optical fiber align module 22, until optical fiber align skips alignment if being aligned
Step, last control module are issued to discharge module and are instructed, welding optic fibre.
Specific embodiment of the present utility model is described in detail above, it is noted that for ability
For the technical staff in domain, several amendments can be made to the utility model without departing from the principle of this utility model and are changed
Into, these amendment and improve also answer it is within the protection scope of the present utility model.
Claims (9)
1. a kind of single-lens optical fiber splicer, including light source, camera lens, optical fiber align module, optical fiber, control module, display module
And discharge module, the control module receive location information of the camera lens about optical fiber, whether the optical fiber is aligned, and
It is shown by the display module, while issuing instruction adjustment fiber position to the optical fiber align module, finally to institute
It states discharge module and issues instruction, optical fiber described in welding, it is characterised in that:
The light source one and only one, the camera lens one and only one；
The camera lens includes the lens group being composed of five toroidal lens and imager chip, and the lens group includes that three pieces are convex
Lens and two panels concavees lens, the imager chip are connected with the control module；
The light source enters the optical path of the lens group and the optical fiber, the lens group and the imager chip are arranged same
On straight line, light that the light source issues by the lens group by optical fiber axial direction end face project on the imager chip at
Picture.
2. a kind of single-lens optical fiber splicer as described in claim 1, which is characterized in that the lens group includes convex by third
The cemented doublet group that lens and the first concavees lens gluing are formed, in the cemented doublet group, the third convex lens is close to described
Light source, first concavees lens are close to the imager chip.
3. a kind of single-lens optical fiber splicer as claimed in claim 2, which is characterized in that the third convex lens and described the
The radius of curvature that one concavees lens carry out glued face is identical, and the two passes through the mutually glued connection of light-sensitive emulsion.
4. a kind of single-lens optical fiber splicer as claimed in claim 3, which is characterized in that the third convex lens and described the
The range of curvature radius of the cemented surface of one concavees lens is 12.4mm ~ 14.5mm, and the third convex lens is close to the face of the light source
Range of curvature radius be 8.3mm ~ 10.4mm, the range of curvature radius in face of first concavees lens close to the imager chip
For 27.9mm ~ 30mm.
5. a kind of single-lens optical fiber splicer as claimed in claim 2, which is characterized in that the cemented doublet group and the light
The first convex lens and the second convex lens are equipped between fibre, first convex lens is leaned on close to the light source, second convex lens
The nearly cemented doublet group；The second concavees lens, first convex lens are equipped between the cemented doublet group and the imager chip
Mirror, the second convex lens, third convex lens, the first concavees lens, the second concavees lens are arranged successively to form lens group, and described each
The optical axis of mirror is located along the same line.
6. a kind of single-lens optical fiber splicer as claimed in claim 5, which is characterized in that first convex lens is close to described
The face of light source is plane, is curved surface, the radius of curvature model of the curved surface of first convex lens close to the face of second convex lens
It encloses for 11.3mm ~ 13.4mm；The two sides of second convex lens is curved surface, and the radius of curvature of two curved surfaces is identical, curvature
Radius is 22.2mm ~ 24.3mm；The two sides of second concavees lens is curved surface, wherein close to the cemented doublet group
Face range of curvature radius be 6.9mm ~ 9mm, close to the imager chip face range of curvature radius be 3.1mm ~
5.1mm。
7. a kind of single-lens optical fiber splicer as claimed in claim 6, which is characterized in that the cemented doublet group and described the
The distance between two convex lenses are less than or equal to 0.1mm, and the distance between second convex lens and first convex lens are less than
Equal to 1mm, the distance between the cemented doublet group and second concavees lens range are 6.5mm ~ 8.5mm.
8. a kind of single-lens optical fiber splicer as claimed in claim 5, which is characterized in that the axis of the camera lens and the light
Straight line is orthogonal in 90 ° where fine.
9. a kind of single-lens optical fiber splicer as described in claim 1, which is characterized in that the optical fiber splicer includes upper cover
And body, the upper cover include reflective mirror, the light source is fixed in the body, and the light that the light source issues is by described anti-
Enter the lens group after light microscopic reflection, into the optical path and the optical fiber, the lens group and the imaging of the lens group
Chip is arranged on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711286.8U CN208334704U (en) | 2018-05-14 | 2018-05-14 | A kind of single-lens optical fiber splicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711286.8U CN208334704U (en) | 2018-05-14 | 2018-05-14 | A kind of single-lens optical fiber splicer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208334704U true CN208334704U (en) | 2019-01-04 |
Family
ID=64777155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820711286.8U Expired - Fee Related CN208334704U (en) | 2018-05-14 | 2018-05-14 | A kind of single-lens optical fiber splicer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208334704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680996A (en) * | 2018-05-14 | 2018-10-19 | 诺仪器（中国）有限公司 | A kind of single-lens optical fiber splicer |
-
2018
- 2018-05-14 CN CN201820711286.8U patent/CN208334704U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680996A (en) * | 2018-05-14 | 2018-10-19 | 诺仪器（中国）有限公司 | A kind of single-lens optical fiber splicer |
| CN108680996B (en) * | 2018-05-14 | 2024-04-16 | 一诺仪器（中国）有限公司 | Single-lens optical fiber fusion splicer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110058387B (en) | Double-telecentric projection lens and projection system | |
| CN102520509B (en) | photonic crystal optical fiber splicing imaging system | |
| CN111290100B (en) | Projection lens and projection imaging system | |
| KR20050107521A (en) | Low element count projection lenses for use with pixelized panels | |
| CN107121727B (en) | Optical fiber splicer fibre core identifies optics and imaging system | |
| CN111290101A (en) | Projection imaging system and laser projection equipment | |
| CN112462491A (en) | Projection lens and projector | |
| WO2019024205A1 (en) | Panoramic optical system and electronic device | |
| CN101915980A (en) | Image space telecentric projection camera lens | |
| CN204855865U (en) | Coaxial fiber coupler of laser | |
| CN208334704U (en) | A kind of single-lens optical fiber splicer | |
| CN114355562B (en) | Zoom projection lens and electronic equipment | |
| CN106842510B (en) | Optical projection system | |
| CN102998788B (en) | Imaging system of fiber fusion splicer and fiber fusion splicer | |
| CN107817593A (en) | A kind of ultrashort out-of-focus projection's camera lens | |
| CN105974579B (en) | Angle altering arrangement based on off axis paraboloidal mirror heavy caliber collimated light beam | |
| CN112526751A (en) | Double-lens split-screen light splitting optical path and optical equipment | |
| CN208172356U (en) | Camera lens and vehicle-mounted optical system | |
| WO2009074059A1 (en) | Optical fiber panel display assembly | |
| CN108680996A (en) | A kind of single-lens optical fiber splicer | |
| CN114545713B (en) | Projection optical system and electronic equipment | |
| CN113126191B (en) | Optical device and optical system | |
| CN106200238B (en) | Imaging optical path system | |
| CN213987034U (en) | Double-lens split-screen light splitting optical path and optical equipment | |
| CN207301460U (en) | It is a kind of to realize laser scanning and the high x Microscope Objective light path system of coaxial monitoring one |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |