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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- 230000003287 optical effect Effects 0.000 title abstract description 16
- 239000013307 optical fiber Substances 0.000 claims abstract description 162
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 abstract description 27
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 238000005452 bending Methods 0.000 abstract description 9
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 13
- 239000002699 waste material Substances 0.000 description 7
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- 210000003205 muscle Anatomy 0.000 description 4
- 230000008569 process Effects 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
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- Optical Couplings Of Light Guides (AREA)
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 a leaded light lighting technology field especially relates to an optical coupler array module.
Background
At present, the optical fiber light guide technology is basically mature in the communication field, and optical fiber light guide illumination is applied to some low-power decorative illumination, signal lamps and endoscopes, but the technology is easy to realize due to small signal power, small divergence angle and the like in optical fiber communication, and a plurality of difficulties exist in the high-power illumination field, so that the large-scale popularization is difficult.
The main technical difficulties of high-power optical fiber light guide illumination include the following aspects: firstly, the light-emitting area and the light-emitting angle of the LED light source are too large, so that the optical expansion of the LED light source is large, and the optical design is not facilitated; secondly, the power density of the LED light source is not high enough, so that the number of optical fibers is excessive, and the cost is increased; thirdly, the light emitting characteristic of the high-power white light LED is generally similar to Lambert type, the diameter of the light guide fiber cannot be too thick (the thickness can cause the square exponential increase of the material cost of the fiber), so that the design of a coupler between an LED chip and the light guide fiber is difficult directly, and the coupling rate is low; fourth, the high-power white light is coupled into the optical fiber, and the optical fiber is easily burnt out due to the non-uniformity of energy distribution and thermal effect (or nonlinear effect). Fifthly, the divergence angle of the light ray bundle coupled into the optical fiber is too large, and the index of reflection loss is increased due to too many reflection times in the light guide transmission process.
Under the environment of energy conservation and emission reduction, along with the development of non-imaging optics and energy collection, more and more illumination technologies are mature and applied. The optical design aims at realizing convenient and quick high-efficiency optical fiber light guide illumination, on one hand, the light can realize high-efficiency long-distance transmission in the optical fiber, not only can improve illumination safety by photoelectric separation, but also can improve the utilization rate of energy, and avoids energy waste caused by an overlarge divergence angle; on the other hand, the technology is gradually mature, the realization of a small coupler and a thin optical fiber transmission system is true, the design cost is reduced, and the device effect and the service life are improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an optical coupler array module. The utility model has simple structure, low cost and convenient use, can realize high-efficiency light coupling, and ensures the uniform distribution of light in the light guide optical fiber, thereby avoiding the damage to the optical fiber while improving the energy transmission efficiency of the optical fiber; and the bending stress of the optical fiber pigtail can be effectively reduced, and the transmission loss is greatly reduced.
The utility model discloses technical scheme:
an optical coupler array module comprises an array module, optical fibers, an optical fiber bundle sleeve and an LED aluminum substrate; a coupler is arranged in the array module; one side of the array module is tightly attached to the LED aluminum substrate, and the other side of the array module is provided with an optical fiber bundle sleeve; one end of the optical fiber is connected with the coupler, and the other end of the optical fiber is wrapped in the optical fiber bundle sleeve.
The array module is formed by matching two identical matrixes in a mirror image mode, and a coupler and a groove B for mounting an optical fiber are arranged on one side of each matrix.
The above-mentioned matrixes are connected together by seamless connection to form an array module.
A plurality of couplers are arranged in the array module, one side of each coupler is tightly attached to the LED aluminum substrate, the other side of each coupler is connected with an optical fiber, and the plurality of optical fibers are converged at an intersection point; the direction of the central shaft of the coupler is consistent with the direction of the LED light source light of the LED aluminum substrate.
The central axes of the plurality of couplers intersect at an intersection point; the minimum spacing between the reflecting cavities A of the couplers in the array module is equal.
The central axes of the plurality of couplers are parallel to the horizontal direction; the minimum spacing between the reflecting cavities A of the couplers in the array module is equal.
The optical fiber bundle sleeves are arranged on the cross joints and wrap optical fibers with the same number as the couplers; the central axis of the tail part of the optical fiber is parallel to the central axis of the optical fiber bundle sleeve.
The integral of the curvature of the tail of the optical fiber is the minimum value under the coaxial condition of the two ends of the optical fiber.
The arrangement of the coupler and the optical fiber bundle sleeve meets the following linear programming requirements:
wherein,is a coupler central axis, is an optical fiber central axis,is a central shaft of the optical fiber bundle sleeve,is the curvature of the optical fiber and,is the path of the optical fiber.
The optical fiber bundle sleeve is of a double-layer structure, the inner layer is made of flexible materials, and the outer layer is a rigid sheath.
Compared with the prior art, the utility model discloses a two the same die mirror image cooperations constitute the array module, the problem of the coating film difficulty in solution coupler internal reflection chamber that can be fine. The same die avoids the waste of multiple die development, ensures seamless connection between the dies through the matching of the positioning hole columns, and improves the coupler precision.
The utility model discloses opposite side at the die is equipped with many strengthening ribs and location muscle, can avoid the deformation in the model forming process and the inaccurate scheduling problem of installation location in the use.
The utility model discloses minimum interval between the reflection chamber of a plurality of coupler equals among the array module for array module luminous efficacy is higher, and the light source gathers more.
The utility model discloses the center pin of optic fibre afterbody and the center pin coincidence of optical fiber bundle cover, optic fibre afterbody camber integral are the minimum under the coaxial condition separately at optic fibre both ends for optic fibre tail optical bending stress is minimum, has avoided the optic fibre damage, greatly reduced transmission loss.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of a die of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a die of embodiment 3 of the present invention;
the labels in the figures are: 1-array module, 11-die, 111-reinforcing rib, 112-positioning rib, 113-positioning hole column, 2-coupler, 21-reflection cavity A, 22 groove B, 3-optical fiber, 4-optical fiber bundle sleeve, 41-intersection point and 5-LED aluminum substrate.
Detailed Description
The following further describes the present invention with reference to the drawings and examples, but the invention is not limited thereto.
Example 1.
An optical coupler array module, as shown in fig. 1, includes an array module 1, an optical fiber 3, an optical fiber bundle jacket 4 and an LED aluminum substrate 5; a coupler 2 is arranged in the array module 1; one side of the array module 1 is tightly attached to the LED aluminum substrate 5, and the other side of the array module is provided with an optical fiber bundle sleeve 4; one end of the optical fiber 3 is connected with the coupler 2, and the other end of the optical fiber is wrapped in the optical fiber bundle sleeve 4. The optical fiber bundle jacket 4 acts as a take-up for the optical fiber 3.
The array module 1 is formed by matching two identical dies 11 in a mirror image mode, and one side of each die 11 is provided with a coupler 2, a groove B22 for mounting an optical fiber 3 and a positioning hole column 113.
The dies 11 are connected seamlessly through the positioning hole columns 113 to form the array module 1.
The other side of the die 11 is further provided with a plurality of reinforcing ribs 111 and positioning ribs 112, which are respectively used for reducing the deformation of the die 11 and the positioning and mounting of the array module 1.
A plurality of couplers 2 are arranged in the array module 1, one side of each coupler 2 is tightly attached to an LED aluminum substrate 5, the other side of each coupler 2 is connected with an optical fiber 3, and the optical fibers 3 are converged at an intersection point 41; the direction of the central axis of the coupler 2 is consistent with the direction of the LED light source light of the LED aluminum substrate 5.
The central axes of the plurality of couplers 2 intersect at an intersection point 41; the minimum spacing between the reflective cavities a21 of several couplers 2 in the array module 1 is equal.
The central axes of the plurality of couplers 2 are parallel to the horizontal direction; the minimum spacing between the reflective cavities a21 of several couplers 2 in the array module 1 is equal.
The optical fiber bundle sleeve 4 is arranged on the intersection point 41 and wraps the optical fibers 3 with the same number as the couplers 2; the central axis of the tail part of the optical fiber 3 is parallel to the central axis of the optical fiber bundle sleeve 4.
The integral of the curvature of the tail part of the optical fiber 3 is the minimum value of the two ends of the optical fiber 3 under the respective coaxial condition, and the minimum bending stress of the tail fiber of the optical fiber 3 is ensured.
The arrangement of the coupler 2 and the optical fiber bundle jacket 4 meets the following linear programming requirements:
wherein,which is the central axis of the coupler 2,is the central axis of the optical fiber 3,is the central axis of the optical fiber bundle jacket 4,in order to be the curvature of the optical fiber 3,is the path of the optical fiber 3.
The optical fiber bundle sleeve 4 is of a double-layer structure, the inner layer is made of flexible materials, and the outer layer is a rigid sheath.
When the LED light source works, light rays emitted by the LED aluminum substrate enter the optical fibers after being reflected by the coupler, and then are transmitted to the far end by the optical fibers. The optical fiber bundle sleeve gathers light conducted by the plurality of couplers together, so that the power density of the LED light source is gathered, and the light emitting efficiency is high.
The utility model discloses an array module is constituteed in the cooperation of two the same die mirror images, the problem of the coating film difficulty in solution coupler internal reflection chamber that can be fine. The same die avoids the waste of multiple die development, ensures seamless connection between the dies through the matching of the positioning hole columns, and improves the coupler precision.
The utility model discloses opposite side at the die is equipped with many strengthening ribs and location muscle, can avoid the deformation in the model forming process and the inaccurate scheduling problem of installation location in the use.
The utility model discloses minimum interval between the reflection chamber of a plurality of coupler equals among the array module for array module luminous efficacy is higher, and the light source gathers more.
The utility model discloses the center pin of optic fibre afterbody and the center pin coincidence of optical fiber bundle cover, optic fibre afterbody camber integral are the minimum under the coaxial condition separately at optic fibre both ends for optic fibre tail optical bending stress is minimum, has avoided the optic fibre damage, greatly reduced transmission loss.
Example 2.
An optical coupler array module, as shown in fig. 1, includes an array module 1, an optical fiber 3, an optical fiber bundle jacket 4 and an LED aluminum substrate 5; a coupler 2 is arranged in the array module 1; one side of the array module 1 is tightly attached to the LED aluminum substrate 5, and the other side of the array module is provided with an optical fiber bundle sleeve 4; one end of the optical fiber 3 is connected with the coupler 2, and the other end of the optical fiber is wrapped in the optical fiber bundle sleeve 4. The optical fiber bundle jacket 4 acts as a take-up for the optical fiber 3.
As shown in fig. 2, the array module 1 is composed of two identical dies 11 which are mirror-matched, and the die 11 is provided with a coupler 2, a groove B22 for mounting an optical fiber 3 and a positioning hole pillar 113 on one side.
The dies 11 are connected seamlessly through the positioning hole columns 113 to form the array module 1.
The other side of the die 11 is further provided with a plurality of reinforcing ribs 111 and positioning ribs 112, which are respectively used for reducing the deformation of the die 11 and the positioning and mounting of the array module 1.
The array module 1 is internally provided with 5 couplers 2, one side of each coupler 2 is tightly attached to an LED aluminum substrate 5, the other side of each coupler 2 is connected with an optical fiber 3, and the 5 optical fibers 3 are converged at an intersection point 41; the direction of the central axis of the coupler 2 is consistent with the direction of the LED light source light of the LED aluminum substrate 5.
The central axes of the 5 couplers 2 intersect at an intersection point 41; the minimum spacing between the reflective cavities a21 of the 5 couplers 2 in the array module 1 is equal.
The optical fiber bundle sleeve 4 is arranged on the intersection point 41 and wraps the optical fibers 3 with the same number as the couplers 2; the central axis of the tail part of the optical fiber 3 is parallel to the central axis of the optical fiber bundle sleeve 4.
The integral of the curvature of the tail part of the optical fiber 3 is the minimum value of the two ends of the optical fiber 3 under the respective coaxial condition, and the minimum bending stress of the tail fiber of the optical fiber 3 is ensured.
The arrangement of the coupler 2 and the optical fiber bundle jacket 4 meets the following linear programming requirements:
wherein,which is the central axis of the coupler 2,is the central axis of the optical fiber 3,is the central axis of the optical fiber bundle jacket 4,in order to be the curvature of the optical fiber 3,is the path of the optical fiber 3.
The optical fiber bundle sleeve 4 is of a double-layer structure, the inner layer is made of flexible materials, and the outer layer is a rigid sheath.
When the LED light source works, light rays emitted by the LED aluminum substrate enter the optical fibers after being reflected by the coupler, and then are transmitted to the far end by the optical fibers. The optical fiber bundle sleeve gathers light conducted by the 5 couplers together, so that the power density of the LED light source is gathered, and the light emitting efficiency is high.
The utility model discloses an array module is constituteed in the cooperation of two the same die mirror images, the problem of the coating film difficulty in solution coupler internal reflection chamber that can be fine. The same die avoids the waste of multiple die development, ensures seamless connection between the dies through the matching of the positioning hole columns, and improves the coupler precision.
The utility model discloses opposite side at the die is equipped with many strengthening ribs and location muscle, can avoid the deformation in the model forming process and the inaccurate scheduling problem of installation location in the use.
The utility model discloses minimum interval between the reflection chamber of a plurality of coupler equals among the array module for array module luminous efficacy is higher, and the light source gathers more.
The utility model discloses the center pin of optic fibre afterbody and the center pin coincidence of optical fiber bundle cover, optic fibre afterbody camber integral are the minimum under the coaxial condition separately at optic fibre both ends for optic fibre tail optical bending stress is minimum, has avoided the optic fibre damage, greatly reduced transmission loss.
The light sources of the LED aluminum substrate are generally selected to be light sources with light distribution curves similar to Lambert type or light sources with energy concentrated near central light, the light sources are arranged along a strip-shaped LED aluminum substrate in a unidirectional array with the specification of 1 × 5, the central point of each light source is ensured to be superposed with the central axis of the coupler, and the light emitting surface is perpendicular to the central axis. Reflection convergence of coupler central cavity with maximum efficiency guaranteed
The array module unit of 1 x 5 can be used for transverse arrays, for example, to form a 5 x 5 high-power optical fiber lamp, light emitted by a light source is reflected by a coupler and coupled into an optical fiber at the other side of the coupler, and long-distance transmission is realized in the form of total reflection in the optical fiber. The light divergence angle is small, the optical fiber transmission loss is low, the transmission distance of the light in the optical fiber is long, and the partition wall illumination can be realized. The light guide illumination has the advantages of realizing photoelectric separation, ensuring illumination safety and avoiding fire hazard; meanwhile, the energy utilization rate is improved, and energy waste caused by large-angle divergence is reduced.
Example 3.
An optical coupler array module, as shown in fig. 1, includes an array module 1, an optical fiber 3, an optical fiber bundle jacket 4 and an LED aluminum substrate 5; a coupler 2 is arranged in the array module 1; one side of the array module 1 is tightly attached to the LED aluminum substrate 5, and the other side of the array module is provided with an optical fiber bundle sleeve 4; one end of the optical fiber 3 is connected with the coupler 2, and the other end of the optical fiber is wrapped in the optical fiber bundle sleeve 4. The optical fiber bundle jacket 4 acts as a take-up for the optical fiber 3.
As shown in fig. 3, the array module 1 is composed of two identical dies 11 which are mirror-matched, and the die 11 is provided with a coupler 2, a groove B22 for mounting an optical fiber 3 and a positioning hole pillar 113 on one side.
The dies 11 are connected seamlessly through the positioning hole columns 113 to form the array module 1.
The other side of the die 11 is further provided with a plurality of reinforcing ribs 111 and positioning ribs 112, which are respectively used for reducing the deformation of the die 11 and the positioning and mounting of the array module 1.
The array module 1 is internally provided with 5 couplers 2, one side of each coupler 2 is tightly attached to an LED aluminum substrate 5, the other side of each coupler 2 is connected with an optical fiber 3, and the 5 optical fibers 3 are converged at an intersection point 41; the direction of the central axis of the coupler 2 is consistent with the direction of the LED light source light of the LED aluminum substrate 5.
The central axes of the 5 couplers 2 are parallel to the horizontal direction; the minimum spacing between the reflective cavities a21 of the 5 couplers 2 in the array module 1 is equal.
The optical fiber bundle sleeve 4 is arranged on the intersection point 41 and wraps the optical fibers 3 with the same number as the couplers 2; the central axis of the tail part of the optical fiber 3 is parallel to the central axis of the optical fiber bundle sleeve 4.
The integral of the curvature of the tail part of the optical fiber 3 is the minimum value of the two ends of the optical fiber 3 under the respective coaxial condition, and the minimum bending stress of the tail fiber of the optical fiber 3 is ensured.
The arrangement of the coupler 2 and the optical fiber bundle jacket 4 meets the following linear programming requirements:
wherein,which is the central axis of the coupler 2,is the central axis of the optical fiber 3,is the central axis of the optical fiber bundle jacket 4,in order to be the curvature of the optical fiber 3,is the path of the optical fiber 3.
The optical fiber bundle sleeve 4 is of a double-layer structure, the inner layer is made of flexible materials, and the outer layer is a rigid sheath.
When the LED light source works, light rays emitted by the LED aluminum substrate enter the optical fibers after being reflected by the coupler, and then are transmitted to the far end by the optical fibers. The optical fiber bundle sleeve gathers light conducted by the 5 couplers together, so that the power density of the LED light source is gathered, and the light emitting efficiency is high.
The utility model discloses an array module is constituteed in the cooperation of two the same die mirror images, the problem of the coating film difficulty in solution coupler internal reflection chamber that can be fine. The same die avoids the waste of multiple die development, ensures seamless connection between the dies through the matching of the positioning hole columns, and improves the coupler precision.
The utility model discloses opposite side at the die is equipped with many strengthening ribs and location muscle, can avoid the deformation in the model forming process and the inaccurate scheduling problem of installation location in the use.
The utility model discloses minimum interval between the reflection chamber of a plurality of coupler equals among the array module for array module luminous efficacy is higher, and the light source gathers more.
The utility model discloses the center pin of optic fibre afterbody and the center pin coincidence of optical fiber bundle cover, optic fibre afterbody camber integral are the minimum under the coaxial condition separately at optic fibre both ends for optic fibre tail optical bending stress is minimum, has avoided the optic fibre damage, greatly reduced transmission loss.
The array module unit of 1 x 5 can be used for transverse arrays, for example, to form a 5 x 5 high-power optical fiber lamp, light emitted by a light source is reflected by a coupler and coupled into an optical fiber at the other side of the coupler, and long-distance transmission is realized in the form of total reflection in the optical fiber. The light divergence angle is small, the optical fiber transmission loss is low, the transmission distance of the light in the optical fiber is long, and the partition wall illumination can be realized. The light guide illumination has the advantages of realizing photoelectric separation, ensuring illumination safety and avoiding fire hazard; meanwhile, the energy utilization rate is improved, and energy waste caused by large-angle divergence is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An optocoupler array module, characterized in that: the LED light source module comprises an array module (1), optical fibers (3), an optical fiber bundle sleeve (4) and an LED aluminum substrate (5); a coupler (2) is arranged in the array module (1); one side of the array module (1) is tightly attached to the LED aluminum substrate (5), and the other side of the array module is provided with an optical fiber bundle sleeve (4); one end of the optical fiber (3) is connected with the coupler (2), and the other end of the optical fiber is wrapped in the optical fiber bundle sleeve (4).
2. The optocoupler array module of claim 1, wherein: the array module (1) is formed by matching two identical dies (11) in a mirror image mode, and a coupler (2) and a groove B (22) for mounting an optical fiber (3) are arranged on one side of each die (11).
3. The optocoupler array module of claim 2, wherein: the dies (11) are connected in a seamless mode to form the array module (1).
4. The optocoupler array module of claim 1, wherein: a plurality of couplers (2) are arranged in the array module (1), one side of each coupler (2) is tightly attached to the LED aluminum substrate (5), the other side of each coupler (2) is connected with an optical fiber (3), and the optical fibers (3) are converged at an intersection point (41); the direction of the central shaft of the coupler (2) is consistent with the direction of the LED light source light of the LED aluminum substrate (5).
5. The optocoupler array module of claim 4, wherein: the central axes of the several couplers (2) intersect at an intersection point (41); the minimum spacing among the reflecting cavities A (21) of the couplers (2) in the array module (1) is equal.
6. The optocoupler array module of claim 4, wherein: the central axes of the couplers (2) are parallel to the horizontal direction; the minimum spacing among the reflecting cavities A (21) of the couplers (2) in the array module (1) is equal.
7. The optocoupler array module of claim 4, wherein: the optical fiber bundle sleeve (4) is arranged on the intersection point (41) and wraps the optical fibers (3) with the same number as the couplers (2); the central axis of the tail part of the optical fiber (3) is parallel to the central axis of the optical fiber bundle sleeve (4).
8. The optocoupler array module of claim 7, wherein: and the integral of the curvature of the tail part of the optical fiber (3) is the minimum value of the two ends of the optical fiber (3) under the respective coaxial condition.
9. The optocoupler array module of claim 8, wherein: the arrangement of the coupler (2) and the optical fiber bundle sleeve (4) meets the following linear programming requirements:
wherein,is a central shaft of the coupler (2),is a central axis of the optical fiber (3),is a central shaft of the optical fiber bundle sleeve (4),is the curvature of the optical fiber (3),is the path of the optical fiber (3).
10. The optocoupler array module of claim 1, wherein: the optical fiber bundle sleeve (4) is of a double-layer structure, the inner layer is made of flexible materials, and the outer layer is a 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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