CN208140988U - A kind of optical coupler array module - Google Patents
A kind of optical coupler array module Download PDFInfo
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- CN208140988U CN208140988U CN201820795650.3U CN201820795650U CN208140988U CN 208140988 U CN208140988 U CN 208140988U CN 201820795650 U CN201820795650 U CN 201820795650U CN 208140988 U CN208140988 U CN 208140988U
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- optical fiber
- coupler
- mould group
- collar
- array
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Abstract
The utility model discloses a kind of optical coupler array modules, including array mould group（1）, optical fiber（3）, optical fiber collar（4）And LED aluminum base plate（5）；The array mould group（1）It is interior to be equipped with coupler（2）；The array mould group（1）It is close to LED aluminum base plate in side（5）, the other side is equipped with optical fiber collar（4）；The optical fiber（3）One end and coupler（2）Connection, the other end are wrapped in optical fiber collar（4）It is interior.The utility model structure is simple, at low cost, easy to use, can be realized efficient light coupling, and guarantees being uniformly distributed for light in light-conductive optic fibre, avoids causing to damage to optical fiber while improving the energy transmission efficiency of optical fiber to realize.Overall structure is simple and compact, and the bending stress of array module optical fiber pigtail is effectively reduced, substantially reduces transmission loss.
Description
Technical field
The utility model relates to light-guide illumination technical field more particularly to a kind of optical coupler array modules.
Background technique
Optical fiber light-guiding technology has been mature on the whole in communication field at present, and optical fiber light-guiding is illuminated in some low power decorations
More application is obtained in illumination, signal lamp and endoscope, but signal power is small in fiber optic communication, the angle of divergence is small to be waited so that skill
Art is easy to accomplish, and still has many difficulties in high-power illumination field and make it difficult to large-scale promotion.
The major technical difficulty of large-power optical fiber light-guide illumination has the following aspects：First is that the light-emitting area of LED light source
It is too big with light emitting angle, cause the etendue of LED light source bigger than normal, is unfavorable for optical design；Second is that the power of LED light source is close
Degree is not big enough, causes number of fibers excessive, cost increase；Third is that the characteristics of luminescence of large power white light LED is usually class Lambertian,
The diameter of light-conductive optic fibre again cannot be too thick（The thick material cost square exponential increase that can cause optical fiber）, directly so that LED core
Coupler design between piece and light-conductive optic fibre is difficult, and coupling efficiency is relatively low；Fourth is that high power white light is coupled in optical fiber, due to
The inhomogeneities and fuel factor of Energy distribution（Or nonlinear effect）Easily cause burning out for optical fiber.Fifth is that the light of coupled into optical fibres
The angle of divergence of harness is too big, and order of reflection causes the index of reflection loss to increase too much in guide-lighting transmission process.
In the environment of energy conservation and emission reduction, with the development of nonimaging optics and collection of energy, skill is more and more illuminated
Art is increasingly mature and is applied.To realize conveniently optical design of the high efficiency optical fiber light-guiding illumination for target, a side
The transmission of high efficiency long range may be implemented in face light in a fiber, not only can improve lighting safety with photodetachment, simultaneously
The utilization rate for improving energy, removes energy dissipation brought by the excessive angle of divergence from；On the other hand, technology is also gradually mature, small-sized
Coupler and thin optic fibre Transmission system really become a reality, and device effect and service life all obtain while design cost is reduced
To raising.
Utility model content
The purpose of the utility model is to provide a kind of optical coupler array modules.The utility model structure is simple, cost
It is low, it is easy to use, it can be realized efficient light coupling, and guarantee being uniformly distributed for light in light-conductive optic fibre, to realize
While improving optical fiber energy transmission efficiency avoid that optical fiber is caused to damage；And it can be effectively reduced the bending of optical fiber pigtail
Stress substantially reduces transmission loss.
Technical solutions of the utility model：
A kind of optical coupler array module, including array mould group, optical fiber, optical fiber collar and LED aluminum base plate；The array mould
Coupler is equipped in group；LED aluminum base plate is close in the array mould group side, and the other side is equipped with optical fiber collar；Described optical fiber one end
It is connect with coupler, the other end is wrapped in optical fiber collar.
For aforementioned array mould group by two blocks of identical matrix mirror images with being combined into, the matrix side is equipped with coupler and installation
The groove B of optical fiber.
Pass through seamless connection composition array mould group between aforementioned matrix.
Several couplers are provided in aforementioned array mould group, LED aluminum base plate is close in the coupler side, and the other side connects
Optical fiber is connect, several optical fiber are mutually compiled in intersection point；The LED light source radiation direction of the coupler central axis direction and LED aluminum base plate
Unanimously.
The central axis of several aforementioned couplers intersects at intersection point；The reflection of several couplers in the array mould group
Minimum spacing between chamber A is equal.
The central axis and horizontal direction parallel of several aforementioned couplers；Several couplers in the array mould group
Minimum spacing between reflection cavity A is equal.
Aforementioned fiber optic bundle, which is set on, to be handed in, package and the consistent optical fiber of coupler quantity；Optical fiber tail portion central axis
It is parallel with the central axis of optical fiber collar.
Aforementioned optical fiber tail portion curvature integral be optical fiber both ends respectively coaxially under the conditions of minimum value.
The arrangement of aforementioned coupler and optical fiber collar meets following linear programming requirement：
Wherein,It is fiber optic hub axis for coupler central axis,For optical fiber collar central axis,For the song of optical fiber
Rate,For the path of optical fiber.
Optical fiber collar above-mentioned is double-layer structure, and internal layer is flexible material, and outer layer is rigid sheath.
Compared with prior art, the utility model is matched using two blocks of identical matrix mirror images is combined into array mould group, can
The problem of the plated film difficulty of very good solution coupler internal reflective cavity.Identical matrix avoids the waste of multiple kinds of molds exploitation,
It on the one hand ensure that the seamless connection between matrix by the cooperation of positioning hole collumn, on the other hand then improve coupler essence
Degree.
The utility model is equipped with a plurality of reinforcing rib and positioning bar in the other side of matrix, during can be avoided model forming
Deformation and installation position inaccurate in use the problems such as.
Minimum spacing in the utility model array mould group between the reflection cavity of several couplers is equal, so that array mould
Block luminous efficiency is higher, and light source is more assembled.
The central axis of the utility model optical fiber tail portion and the center overlapping of axles of optical fiber collar, optical fiber tail portion curvature integral are light
Minimum value under the conditions of fine both ends are respectively coaxial avoids optical fiber damage, drops significantly so that the bending stress of optical fiber pigtail is minimum
Low transmission loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of 2 matrix of the utility model embodiment；
Fig. 3 is the structural schematic diagram of 3 matrix of the utility model embodiment；
Label in attached drawing be：1- array mould group, 11- matrix, 111- reinforcing rib, 112- positioning bar, 113- positioning hole collumn,
2- coupler, 21- reflection cavity A, 22 groove B, 3- optical fiber, 4- optical fiber collar, 41- intersection point, 5-LED aluminum substrate.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples, but is not intended as limiting the utility model
The foundation of system.
Embodiment 1.
A kind of optical coupler array module, as shown in Figure 1, including array mould group 1, optical fiber 3, optical fiber collar 4 and LED aluminium base
Plate 5；Coupler 2 is equipped in the array mould group 1；LED aluminum base plate 5 is close in 1 side of array mould group, and the other side is equipped with optical fiber
Collar 4；Described 3 one end of optical fiber is connect with coupler 2, and the other end is wrapped in optical fiber collar 4.Optical fiber collar 4 plays receipts to optical fiber 3
Shu Zuoyong.
For the array mould group 1 by two blocks of identical 11 mirror images of matrix with being combined into, 11 side of matrix is equipped with coupler
2, the groove B22 and positioning hole collumn 113 of optical fiber 3 are installed.
Pass through the seamless connection composition array mould group 1 of positioning hole collumn 113 between the matrix 11.
The other side of the matrix 11 is additionally provided with a plurality of reinforcing rib 111 and positioning bar 112, is respectively used to reduce matrix 11
The location and installation of deformation and array mould group 1.
Several couplers 2 are provided in the array mould group 1, LED aluminum base plate 5 is close in 2 side of coupler, another
Side connects optical fiber 3, and several 3 phases of optical fiber are compiled in intersection point 41；The LED light of coupler 2 central axis direction and LED aluminum base plate 5
Source radiation direction is consistent.
The central axis of several couplers 2 intersects at intersection point 41；Several couplers 2 in the array mould group 1
Reflection cavity A21 between minimum spacing it is equal.
The central axis and horizontal direction parallel of several couplers 2；Several couplers in the array mould group 1
Minimum spacing between 2 reflection cavity A21 is equal.
The optical fiber collar 4 is arranged on intersection point 41, package and the consistent optical fiber 3 of 2 quantity of coupler；3 tail of optical fiber
Portion's central axis is parallel with the central axis of optical fiber collar 4.
The 3 tail portion curvature of optical fiber integral is the minimum value under the conditions of 3 both ends of optical fiber are respectively coaxial, guarantee 3 tail optical fiber of optical fiber
Bending stress it is minimum.
The arrangement of the coupler 2 and optical fiber collar 4 meets following linear programming requirement：
Wherein,For 2 central axis of coupler,For 3 central axis of optical fiber,For 4 central axis of optical fiber collar,For optical fiber
3 curvature,For the path of optical fiber 3.
The optical fiber collar 4 is double-layer structure, and internal layer is flexible material, and outer layer is rigid sheath.
When work, the light that LED aluminum base plate issues enters in optical fiber after coupler reflects, and then by fiber optic conduction to far
End.The photopolymerization that optical fiber collar comes out several coupler conductives together, realizes the aggregation of LED light source power density, shines
It is high-efficient.
The utility model, with array mould group is combined into, can be good at solving coupler using two blocks of identical matrix mirror images
The problem of the plated film difficulty of internal reflective cavity.Identical matrix avoids the waste of multiple kinds of molds exploitation, passes through matching for positioning hole collumn
Unification aspect ensure that the seamless connection between matrix, on the other hand then improve coupler precision.
The utility model is equipped with a plurality of reinforcing rib and positioning bar in the other side of matrix, during can be avoided model forming
Deformation and installation position inaccurate in use the problems such as.
Minimum spacing in the utility model array mould group between the reflection cavity of several couplers is equal, so that array mould
Block luminous efficiency is higher, and light source is more assembled.
The central axis of the utility model optical fiber tail portion and the center overlapping of axles of optical fiber collar, optical fiber tail portion curvature integral are light
Minimum value under the conditions of fine both ends are respectively coaxial avoids optical fiber damage, drops significantly so that the bending stress of optical fiber pigtail is minimum
Low transmission loss.
Embodiment 2.
A kind of optical coupler array module, as shown in Figure 1, including array mould group 1, optical fiber 3, optical fiber collar 4 and LED aluminium base
Plate 5；Coupler 2 is equipped in the array mould group 1；LED aluminum base plate 5 is close in 1 side of array mould group, and the other side is equipped with optical fiber
Collar 4；Described 3 one end of optical fiber is connect with coupler 2, and the other end is wrapped in optical fiber collar 4.Optical fiber collar 4 plays receipts to optical fiber 3
Shu Zuoyong.
It is combined into as shown in Fig. 2, the array mould group 1 is matched by two blocks of identical 11 mirror images of matrix, 11 side of matrix
Groove B22 and positioning hole collumn 113 equipped with coupler 2, installation optical fiber 3.
Pass through the seamless connection composition array mould group 1 of positioning hole collumn 113 between the matrix 11.
The other side of the matrix 11 is additionally provided with a plurality of reinforcing rib 111 and positioning bar 112, is respectively used to reduce matrix 11
The location and installation of deformation and array mould group 1.
5 couplers 2 are provided in the array mould group 1, LED aluminum base plate 5, the other side are close in 2 side of coupler
Connection 3,53 phases of optical fiber of optical fiber are compiled in intersection point 41；The LED light source light of 2 central axis direction of coupler and LED aluminum base plate 5
Direction is consistent.
The central axis of 5 couplers 2 intersects at intersection point 41；The reflection of 5 couplers 2 in the array mould group 1
Minimum spacing between chamber A21 is equal.
The optical fiber collar 4 is arranged on intersection point 41, package and the consistent optical fiber 3 of 2 quantity of coupler；3 tail of optical fiber
Portion's central axis is parallel with the central axis of optical fiber collar 4.
The 3 tail portion curvature of optical fiber integral is the minimum value under the conditions of 3 both ends of optical fiber are respectively coaxial, guarantee 3 tail optical fiber of optical fiber
Bending stress it is minimum.
The arrangement of the coupler 2 and optical fiber collar 4 meets following linear programming requirement：
Wherein,For 2 central axis of coupler,For 3 central axis of optical fiber,For 4 central axis of optical fiber collar,For optical fiber
3 curvature,For the path of optical fiber 3.
The optical fiber collar 4 is double-layer structure, and internal layer is flexible material, and outer layer is rigid sheath.
When work, the light that LED aluminum base plate issues enters in optical fiber after coupler reflects, and then by fiber optic conduction to far
End.The photopolymerization that optical fiber collar comes out 5 coupler conductives together, realizes the aggregation of LED light source power density, luminous efficiency
It is high.
The utility model, with array mould group is combined into, can be good at solving coupler using two blocks of identical matrix mirror images
The problem of the plated film difficulty of internal reflective cavity.Identical matrix avoids the waste of multiple kinds of molds exploitation, passes through matching for positioning hole collumn
Unification aspect ensure that the seamless connection between matrix, on the other hand then improve coupler precision.
The utility model is equipped with a plurality of reinforcing rib and positioning bar in the other side of matrix, during can be avoided model forming
Deformation and installation position inaccurate in use the problems such as.
Minimum spacing in the utility model array mould group between the reflection cavity of several couplers is equal, so that array mould
Block luminous efficiency is higher, and light source is more assembled.
The central axis of the utility model optical fiber tail portion and the center overlapping of axles of optical fiber collar, optical fiber tail portion curvature integral are light
Minimum value under the conditions of fine both ends are respectively coaxial avoids optical fiber damage, drops significantly so that the bending stress of optical fiber pigtail is minimum
Low transmission loss.
The light source of LED aluminum base plate is typically chosen distribution curve flux and concentrates near central ray similar to Lambertian or energy
Light source, along the LED aluminum base plate unilateral array of strip, specification 1*5, it is ensured that each light source center point and coupler center
Overlapping of axles, light-emitting surface is perpendicular to central axis.Guarantee the reflection convergence effect of the realization coupler center cavity of maximal efficiency
The array module unit of 1*5 can be used for horizontal array, such as composition 5*5 high-power fiberoptic lamp, what light source issued
Light reflects through coupler and in the other side coupled into optical fibres of coupler, and is realized in the form of total reflection in a fiber remote
Distance Transmission.The angle of divergence of light is small and fiber transmission attenuation is relatively low, and the transmission range of light in a fiber is long, may be implemented
Partition wall illumination.Light-guide illumination advantage is to realize photodetachment, guarantees lighting safety, exempt fire hazard；Energy is improved simultaneously
Utilization rate is measured, energy dissipation caused by wide-angle dissipates is reduced.
Embodiment 3.
A kind of optical coupler array module, as shown in Figure 1, including array mould group 1, optical fiber 3, optical fiber collar 4 and LED aluminium base
Plate 5；Coupler 2 is equipped in the array mould group 1；LED aluminum base plate 5 is close in 1 side of array mould group, and the other side is equipped with optical fiber
Collar 4；Described 3 one end of optical fiber is connect with coupler 2, and the other end is wrapped in optical fiber collar 4.Optical fiber collar 4 plays receipts to optical fiber 3
Shu Zuoyong.
It is combined into as shown in figure 3, the array mould group 1 is matched by two blocks of identical 11 mirror images of matrix, 11 side of matrix
Groove B22 and positioning hole collumn 113 equipped with coupler 2, installation optical fiber 3.
Pass through the seamless connection composition array mould group 1 of positioning hole collumn 113 between the matrix 11.
The other side of the matrix 11 is additionally provided with a plurality of reinforcing rib 111 and positioning bar 112, is respectively used to reduce matrix 11
The location and installation of deformation and array mould group 1.
5 couplers 2 are provided in the array mould group 1, LED aluminum base plate 5, the other side are close in 2 side of coupler
Connection 3,53 phases of optical fiber of optical fiber are compiled in intersection point 41；The LED light source light of 2 central axis direction of coupler and LED aluminum base plate 5
Direction is consistent.
The central axis and horizontal direction parallel of 5 couplers 2；5 couplers 2 in the array mould group 1 it is anti-
The minimum spacing penetrated between chamber A21 is equal.
The optical fiber collar 4 is arranged on intersection point 41, package and the consistent optical fiber 3 of 2 quantity of coupler；3 tail of optical fiber
Portion's central axis is parallel with the central axis of optical fiber collar 4.
The 3 tail portion curvature of optical fiber integral is the minimum value under the conditions of 3 both ends of optical fiber are respectively coaxial, guarantee 3 tail optical fiber of optical fiber
Bending stress it is minimum.
The arrangement of the coupler 2 and optical fiber collar 4 meets following linear programming requirement：
Wherein,For 2 central axis of coupler,For 3 central axis of optical fiber,For 4 central axis of optical fiber collar,For optical fiber
3 curvature,For the path of optical fiber 3.
The optical fiber collar 4 is double-layer structure, and internal layer is flexible material, and outer layer is rigid sheath.
When work, the light that LED aluminum base plate issues enters in optical fiber after coupler reflects, and then by fiber optic conduction to far
End.The photopolymerization that optical fiber collar comes out 5 coupler conductives together, realizes the aggregation of LED light source power density, luminous efficiency
It is high.
The utility model, with array mould group is combined into, can be good at solving coupler using two blocks of identical matrix mirror images
The problem of the plated film difficulty of internal reflective cavity.Identical matrix avoids the waste of multiple kinds of molds exploitation, passes through matching for positioning hole collumn
Unification aspect ensure that the seamless connection between matrix, on the other hand then improve coupler precision.
The utility model is equipped with a plurality of reinforcing rib and positioning bar in the other side of matrix, during can be avoided model forming
Deformation and installation position inaccurate in use the problems such as.
Minimum spacing in the utility model array mould group between the reflection cavity of several couplers is equal, so that array mould
Block luminous efficiency is higher, and light source is more assembled.
The central axis of the utility model optical fiber tail portion and the center overlapping of axles of optical fiber collar, optical fiber tail portion curvature integral are light
Minimum value under the conditions of fine both ends are respectively coaxial avoids optical fiber damage, drops significantly so that the bending stress of optical fiber pigtail is minimum
Low transmission loss.
The array module unit of 1*5 can be used for horizontal array, such as composition 5*5 high-power fiberoptic lamp, what light source issued
Light reflects through coupler and in the other side coupled into optical fibres of coupler, and is realized in the form of total reflection in a fiber remote
Distance Transmission.The angle of divergence of light is small and fiber transmission attenuation is relatively low, and the transmission range of light in a fiber is long, may be implemented
Partition wall illumination.Light-guide illumination advantage is to realize photodetachment, guarantees lighting safety, exempt fire hazard；Energy is improved simultaneously
Utilization rate is measured, energy dissipation caused by wide-angle dissipates is reduced.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of optical coupler array module, it is characterised in that：Including array mould group（1）, optical fiber（3）, optical fiber collar（4）With
LED aluminum base plate（5）；The array mould group（1）It is interior to be equipped with coupler（2）；The array mould group（1）It is close to LED aluminum base plate in side
（5）, the other side is equipped with optical fiber collar（4）；The optical fiber（3）One end and coupler（2）Connection, the other end are wrapped in optical fiber collar
（4）It is interior.
2. optical coupler array module according to claim 1, it is characterised in that：The array mould group（1）By two pieces of phases
Same matrix（11）Mirror image, which is matched, to be combined into, the matrix（11）Side is equipped with coupler（2）With installation optical fiber（3）Groove B
（22）.
3. optical coupler array module according to claim 2, it is characterised in that：The matrix（11）Between by seamless
Connection composition array mould group（1）.
4. optical coupler array module according to claim 1, it is characterised in that：The array mould group（1）Inside it is provided with
Several couplers（2）, the coupler（2）It is close to LED aluminum base plate in side（5）, the other side connects optical fiber（3）, several light
It is fine（3）Mutually it is compiled in intersection point（41）；The coupler（2）Central axis direction and LED aluminum base plate（5）LED light source radiation direction one
It causes.
5. optical coupler array module according to claim 4, it is characterised in that：Several described couplers（2）In
Mandrel intersects at intersection point（41）；The array mould group（1）In several couplers（2）Reflection cavity A（21）Between minimum
Spacing is equal.
6. optical coupler array module according to claim 4, it is characterised in that：Several described couplers（2）In
Mandrel and horizontal direction parallel；The array mould group（1）In several couplers（2）Reflection cavity A（21）Between minimum
Spacing is equal.
7. optical coupler array module according to claim 4, it is characterised in that：The optical fiber collar（4）Setting is being handed over
Point（41）On, package and coupler（2）The consistent optical fiber of quantity（3）；The optical fiber（3）Tail portion central axis and optical fiber collar（4）
Central axis it is parallel.
8. optical coupler array module according to claim 7, it is characterised in that：The optical fiber（3）Tail portion curvature integral
For optical fiber（3）Minimum value under the conditions of both ends are respectively coaxial.
9. optical coupler array module according to claim 8, it is characterised in that：The coupler（2）With optical fiber collar
（4）Arrangement meet following linear programming and require：
Wherein,For coupler（2）Central axis,For optical fiber（3）Central axis,For optical fiber collar（4）Central axis,For light
It is fine（3）Curvature,For optical fiber（3）Path.
10. optical coupler array module according to claim 1, it is characterised in that：The optical fiber collar（4）For bilayer
Structure, internal layer are flexible material, and outer layer is rigid sheath.
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| CN201820795650.3U CN208140988U (en) | 2018-05-25 | 2018-05-25 | A kind of optical coupler array module |
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| CN201820795650.3U CN208140988U (en) | 2018-05-25 | 2018-05-25 | A kind of optical coupler array module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681005A (en) * | 2018-05-25 | 2018-10-19 | 浙江光塔节能科技有限公司 | A kind of optical coupler array module |
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2018
- 2018-05-25 CN CN201820795650.3U patent/CN208140988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681005A (en) * | 2018-05-25 | 2018-10-19 | 浙江光塔节能科技有限公司 | A kind of optical coupler array module |
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Address after: Room e-405-406, No. 198, Qidi Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Guangta Safety Technology Co., Ltd Address before: 310000 A-B102-1025 room 198, road, Xiaoshan economic and Technological Development Zone, Xiaoshan District, Hangzhou. Patentee before: ZHEJIANG GUANGTA ENERGY-SAVING TECHNOLOGY Co.,Ltd. |
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