CN208110098U - Fiber array and fiber array cover board - Google Patents
Fiber array and fiber array cover board Download PDFInfo
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- CN208110098U CN208110098U CN201820746844.4U CN201820746844U CN208110098U CN 208110098 U CN208110098 U CN 208110098U CN 201820746844 U CN201820746844 U CN 201820746844U CN 208110098 U CN208110098 U CN 208110098U
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- optical fiber
- fiber array
- cover board
- substrate
- fiber
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Abstract
The utility model discloses a kind of fiber array and fiber array cover board, wherein the fiber array includes：Substrate, substrate include substrate leading portion and base plate rear section, and the top surface of substrate leading portion is higher than the top surface of base plate rear section, and the top surface of substrate leading portion is equipped with multiple mounting grooves being parallel to each other along the length direction of substrate leading portion, is equipped with optical fiber in mounting groove；Pressure is set to the cover board on optical fiber, and cover board is located at the top of substrate leading portion, and the predeterminable area of the side of cover board and optical fiber contact is equipped with groove, and the length direction of groove is vertical with the length direction of optical fiber, can be improved the stability of fiber array.
Description
Technical field
The utility model relates to field of optoelectronic devices more particularly to a kind of fiber arrays and fiber array cover board.
Background technique
The best solution of fiber to the home (FTTH) data and cable television fusion access, FTTH access generally use nothing
Source optical-fiber network (PON), optical splitter is one of the core devices in PON, to realize the distribution of optical signal.The structure of optical splitter
At including the light splitting chip based on zero diopter optical path (PLC) technology and for the fiber array of input/output Butt-coupling.
Common array waveguide grating (AWG) device in dense wave division multipurpose (DWDM) system, core are based on PLC skill
The wave splitting/composing chip of art, input/output end port therein are also required to carry out Butt-coupling using fiber array.
It is in parallel by active optical cable (AOC) realization between large-scale data center, cabinet, in the transmitting-receiving of active optical cable
End is also required to fiber array and semiconductor laser array and detector array Butt-coupling.
Optical splitter, array waveguide grating and active optical cable may operate in the harsh environment of high temperature and humidity, it is desirable that tool
There is very high stability.As one of main element therein, fiber array should also have the stability of height.It is at present to ensure
The case where efficiency of transmission of optical signal, the optical fiber of fiber array is usually present fused fiber splice, and the welding quality of fusion point is to light
Fine efficiency of transmission, the stability of complete machine play the role of very big.But the cover board of fiber array is in the case where being pressed into fiber array for optical fiber
When substrate, it is easy to which the fusion point for pushing down optical fiber influences the welding quality of fusion point, causes the stability of fiber array poor.
Utility model content
The main purpose of the utility model is to provide a kind of fiber array and fiber array cover boards, to solve optical fiber array
The problem of the stability difference of column.
To achieve the above object, the utility model provides a kind of fiber array, including：
Substrate, substrate include substrate leading portion and base plate rear section, and the top surface of substrate leading portion is higher than the top surface of base plate rear section, substrate
The top surface of leading portion is equipped with multiple mounting grooves being parallel to each other along the length direction of substrate leading portion, is equipped with optical fiber in mounting groove；
Pressure is set to the cover board on optical fiber, and cover board is located at the top of substrate leading portion, the side of cover board and optical fiber contact it is pre-
If region is equipped with groove, and the length direction of groove is vertical with the length direction of optical fiber.
Optionally, groove is in U-shape.
Optionally, the intersection of substrate leading portion and base plate rear section is equipped with excessive inclined-plane, the top on excessive inclined-plane and base plate rear section
Angle between face is 145 degree.
Optionally, optical fiber is ribbon fiber.
Optionally, base plate rear section is fixed by binder and optical fiber.
Optionally, binder is ultraviolet curing resin or thermohardening type resin.
Optionally, cover board is the cover board of quartz material.
Optionally, substrate is the substrate of glass material.
Optionally, mounting groove is arc groove, and two rack gears are symmetrically arranged on the two sides inner wall of arc groove, and optical fiber is located at two
Between rack gear, the distance between two rack gears are less than the outer diameter of optical fiber, and the length direction of optical fiber and the length direction of rack gear are equal
It is parallel with the length direction of substrate leading portion.
The utility model additionally provides a kind of fiber array cover board, the side of the optical fiber contact of cover board and fiber array
Predeterminable area is equipped with groove, and the length direction of groove is vertical with the length direction of optical fiber.
The above scheme of the utility model has following beneficial effect：
In the embodiments of the present invention, since the predeterminable area of the side of cover board and optical fiber contact is equipped with groove, and
The length direction of groove and the length direction of optical fiber are vertical, so that peace of the cover board in the substrate leading portion that optical fiber is pressed into fiber array
When in tankage, cover board will not be with the welding point contact of optical fiber, so that it is guaranteed that the welding quality of fusion point, improves the steady of fiber array
It is qualitative.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of fiber array in the utility model specific embodiment；
Fig. 2 is the structural schematic diagram of the utility model specific embodiment cover plate；
Fig. 3 is the structural schematic diagram of substrate and arc groove in the utility model specific embodiment；
Fig. 4 is the second structural representation of fiber array in the utility model specific embodiment.
Description of symbols：
1, substrate leading portion；2, base plate rear section；3, optical fiber；4, cover board；5, groove；6, arc groove；7, rack gear.
Specific embodiment
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to thoroughly understand the utility model, and energy on the contrary, providing these embodiments
It is enough to be fully disclosed to those skilled in the art the scope of the utility model.
As shown in Figures 1 to 4, specific embodiment of the utility model provides a kind of fiber array, including：Substrate, base
Plate includes substrate leading portion 1 and base plate rear section 2, and the top surface of substrate leading portion 1 is higher than the top surface of base plate rear section 2, the top surface of substrate leading portion 1
Multiple mounting grooves being parallel to each other are equipped with along the length direction of substrate leading portion 1, are equipped with optical fiber 3 in mounting groove；Pressure is set on optical fiber 3
Cover board 4, and cover board 4 is located at the top of substrate leading portion 1, and the predeterminable area for the side that cover board 4 is contacted with optical fiber 3 is equipped with groove 5,
And the length direction of groove 5 is vertical with the length direction of optical fiber 3.
Wherein, in specific embodiment of the utility model, above-mentioned predeterminable area refers to the side that cover board 4 is contacted with optical fiber 3
Region corresponding with the fusion point of optical fiber 3 on face.And in specific embodiment of the utility model, by being set in the predeterminable area
Groove 5 is set, so that optical fiber 3 when being pressed into the mounting groove of substrate leading portion 1 of fiber array by cover board 4, cover board 4 will not be with optical fiber
3 welding point contact, so that it is guaranteed that the welding quality of fusion point, improves the stability of fiber array.
Optionally, in specific embodiment of the utility model, above-mentioned groove 5 is in U-shape, so that it is guaranteed that cover board 4 is by light
When fibre 3 is pressed into the mounting groove of the substrate leading portion 1 of fiber array, cover board 4 will not be with the welding point contact of optical fiber 3, it is ensured that welding
The welding quality of point, improves the stability of fiber array.
It is noted that enabling fiber array to pass through light from the groove 5 since cover board 4 is equipped with above-mentioned groove 5
Signal understands the situation of fiber array transmission optical signal, Jin Erbian consequently facilitating whether having optical signal transmission in detection fiber 3
It is handled in time in fiber array operation irregularity.
Optionally, in specific embodiment of the utility model, above-mentioned cover board 4 is the cover board of quartz material, to ensure light
Fibre array can pass through optical signal from groove 5, convenient for whether having optical signal transmission in detection fiber 3.
Optionally, in specific embodiment of the utility model, above-mentioned optical fiber 3 is ribbon fiber, to ensure fiber array
Efficiency of transmission, be conducive to improve fiber array stability.
Optionally, in specific embodiment of the utility model, the intersection of aforesaid substrate leading portion 1 and base plate rear section 2 is set
There is excessive inclined-plane, the angle between excessive inclined-plane and the top surface of base plate rear section 2 is 145 degree.
Wherein, in specific embodiment of the utility model, the thickness of substrate leading portion 1 is greater than the thickness of base plate rear section 2, i.e.,
It is equivalent to entire substrate and is provided with step structure.And in specific embodiment of the utility model, there are the substrates of difference in height
Excessive inclined-plane is equipped between leading portion 1 and base plate rear section 2, and the angle excessively between inclined-plane and the top surface of base plate rear section 2 is 145
Degree, the optical fiber 3 for being conducive to fiber array rear end is bent, to effectively reduce the size of the product, is convenient for subsequent encapsulation.As one
A preferred example, the length of aforesaid substrate leading portion 1 can be the 3/5 of entire substrate length, in order to fiber array rear end
Optical fiber 3 is bent.The knot of course, it should be understood that aforesaid substrate leading portion 1, base plate rear section 2 and excessive inclined-plane can be integrally formed
Structure.
And in specific embodiment of the utility model, the front end of above-mentioned optical fiber 3 can strip one section of coat, strip length
It is 6 millimeters long than the length of substrate leading portion 1, that is, the optical fiber 3 on substrate leading portion 1 does not have coat, and optical fiber 3 coats
Layer removing intersection is apart from about 3 to 4 millimeters of 1 rear end of substrate leading portion, so that it is guaranteed that fiber array can precisely transmit optical signal.
Optionally, in specific embodiment of the utility model, aforesaid substrate back segment 2 is fixed by binder and optical fiber 3,
So that it is guaranteed that optical fiber 3 can be fixed on substrate.And it is optional, in specific embodiment of the utility model, above-mentioned binder
For ultraviolet curing resin or thermohardening type resin, so that simply and rapidly optical fiber 3 is fixed on substrate.Certainly may be used
With understanding, pressure is set to the cover board 4 on optical fiber 3 can also be fixed by binder and optical fiber 3, to ensure fixed optical fiber 3.
Optionally, in specific embodiment of the utility model, above-mentioned mounting groove is arc groove 6, in the two sides of arc groove 6
Two rack gears 7 are symmetrically arranged on wall, optical fiber 3 is located between two rack gears 7, and the distance between two rack gears 7 are less than the outer of optical fiber 3
Diameter, and the length direction of the length direction of optical fiber 3 and rack gear 7 is parallel with the length direction of substrate leading portion 1.
Wherein, in specific embodiment of the utility model, for each arc groove 6 on substrate leading portion 1, arc groove 6
Two sides inner wall on be respectively equipped with a rack gear 7, and the distance between two rack gears 7 in the arc groove 6 are less than the outer of optical fiber 3
Diameter positions the optical fiber 3 so that two rack gears 7 in the arc groove 6 can clamp optical fiber 3.
And in specific embodiment of the utility model, when by the way that rack gear 7 being arranged in each arc groove 6, using accurately
Dimensional measuring instrument calibrates the position of rack gear 7, just can ensure that the rack gear 7 of each arc groove 6 be respectively positioned in same level,
And the spacing between two rack gears 7 in each arc groove 6 is consistent, to guarantee that the height of each optical fiber 3 is consistent, is conducive to improve light
The precision of fibre array, it is ensured that the stability of fiber array.
Optionally, in specific embodiment of the utility model, aforesaid substrate is the substrate of glass material, consequently facilitating sharp
Arc groove 6 is processed on substrate leading portion 1 with high precision machine tool, and then convenient for setting rack gear 7, positions optical fiber 3.
It can be seen that in specific embodiment of the utility model, the side that is contacted with optical fiber 3 due to cover board 4 it is default
Region is equipped with groove 5, and the length direction of groove 5 is vertical with the length direction of optical fiber 3, so that optical fiber 3 is being pressed into light by cover board 4
When in the mounting groove of the substrate leading portion 1 of fibre array, cover board 4 will not be with the welding point contact of optical fiber 3, so that it is guaranteed that fusion point is molten
Quality is connect, the stability of fiber array is improved.
In addition, as shown in Fig. 2, specific embodiment of the utility model additionally provides a kind of fiber array cover board, the lid
The predeterminable area of the side of the optical fiber contact of plate 4 and fiber array is equipped with groove 5, and the length of the length direction of groove 5 and optical fiber
It is vertical to spend direction.
Wherein, above-mentioned predeterminable area refers to region corresponding with the fusion point of optical fiber on the side of cover board 4 and optical fiber contact.
And in specific embodiment of the utility model, by the way that groove 5 is arranged in the predeterminable area, so that cover board 4 is pressed by optical fiber
When in the mounting groove of the substrate leading portion of fiber array, cover board 4 will not be with the welding point contact of optical fiber, so that it is guaranteed that fusion point is molten
Quality is connect, the stability of fiber array is improved.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of fiber array, which is characterized in that including：
Substrate, the substrate include substrate leading portion and base plate rear section, and the top surface of the substrate leading portion is higher than the base plate rear section
The top surface of top surface, the substrate leading portion is equipped with multiple mounting grooves being parallel to each other along the length direction of the substrate leading portion, described
Optical fiber is equipped in mounting groove；
Pressure is set to the cover board on the optical fiber, and the cover board is located at the top of the substrate leading portion, the cover board and the light
The predeterminable area of the side of fibre contact is equipped with groove, and the length direction of the groove is vertical with the length direction of the optical fiber.
2. fiber array according to claim 1, which is characterized in that the groove is in U-shape.
3. fiber array according to claim 1, which is characterized in that the boundary of the substrate leading portion and the base plate rear section
Place is equipped with excessive inclined-plane, and the angle between the excessive inclined-plane and the top surface of the base plate rear section is 145 degree.
4. fiber array according to claim 1, which is characterized in that the optical fiber is ribbon fiber.
5. fiber array according to claim 1, which is characterized in that the base plate rear section passes through binder and the optical fiber
It is fixed.
6. fiber array according to claim 5, which is characterized in that the binder be ultraviolet curing resin or
Thermohardening type resin.
7. fiber array according to claim 1, which is characterized in that the cover board is the cover board of quartz material.
8. fiber array according to claim 1, which is characterized in that the substrate is the substrate of glass material.
9. fiber array according to claim 1, which is characterized in that the mounting groove is arc groove, the arc groove
Two rack gears are symmetrically arranged on the inner wall of two sides, the optical fiber between described two rack gears, between described two rack gears away from
From be less than the optical fiber outer diameter, and the length direction of the length direction of the optical fiber and the rack gear with the substrate leading portion
Length direction it is parallel.
10. a kind of fiber array cover board, which is characterized in that the predeterminable area of the side of the optical fiber contact of cover board and fiber array
Equipped with groove, and the length direction of the groove is vertical with the length direction of the optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746844.4U CN208110098U (en) | 2018-05-18 | 2018-05-18 | Fiber array and fiber array cover board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746844.4U CN208110098U (en) | 2018-05-18 | 2018-05-18 | Fiber array and fiber array cover board |
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| Publication Number | Publication Date |
|---|---|
| CN208110098U true CN208110098U (en) | 2018-11-16 |
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ID=64114356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820746844.4U Active CN208110098U (en) | 2018-05-18 | 2018-05-18 | Fiber array and fiber array cover board |
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| CN (1) | CN208110098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613665A (en) * | 2018-12-29 | 2019-04-12 | 联合微电子中心有限责任公司 | The coupling packaging structure and method of single mode optical fiber and the sub- chip end face of silicon based opto-electronics |
| CN111208609A (en) * | 2020-03-17 | 2020-05-29 | 中山市美速光电技术有限公司 | Double-cover-plate optical fiber array and manufacturing method thereof |
-
2018
- 2018-05-18 CN CN201820746844.4U patent/CN208110098U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613665A (en) * | 2018-12-29 | 2019-04-12 | 联合微电子中心有限责任公司 | The coupling packaging structure and method of single mode optical fiber and the sub- chip end face of silicon based opto-electronics |
| CN111208609A (en) * | 2020-03-17 | 2020-05-29 | 中山市美速光电技术有限公司 | Double-cover-plate optical fiber array and manufacturing method thereof |
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