阅读说明：本技术 光纤阵列装置 (Optical fiber array device ) 是由 陈务光 贾心乐 栗志明 卫乐朋 于 2018-06-20 设计创作，主要内容包括：本发明提出一种光纤阵列装置,其包括光纤阵列单元,所述光纤阵列单元包括多个基板、侧板及多个光纤,多个所述基板依次连接,每个所述基板包括相对设置的第一表面和第二表面,所述第一表面上设有多个规则设置的收容槽,所述侧板与位于边缘的所述基板的第一表面相连接,每个所述光纤的一端固定于相应的所述收容槽中。上述光纤阵列装置能够满足多芯光纤的需求,提高了光纤阵列的密度,节约了空间。(The invention provides an optical fiber array device, which comprises an optical fiber array unit, wherein the optical fiber array unit comprises a plurality of substrates, a side plate and a plurality of optical fibers, the substrates are sequentially connected, each substrate comprises a first surface and a second surface which are oppositely arranged, a plurality of regularly arranged accommodating grooves are formed in the first surface, the side plate is connected with the first surface of the substrate positioned at the edge, and one end of each optical fiber is fixed in the corresponding accommodating groove. The optical fiber array device can meet the requirement of multi-core optical fibers, the density of an optical fiber array is improved, and the space is saved.)

1. An optical fiber array device comprising an optical fiber array unit, characterized in that: the optical fiber array unit comprises a plurality of substrates, a side plate and a plurality of optical fibers, wherein the substrates are sequentially connected, each substrate comprises a first surface and a second surface which are oppositely arranged, a plurality of regularly arranged accommodating grooves are formed in the first surface, the side plate is connected with the first surface of the substrate positioned on the edge, and one end of each optical fiber is fixed in the corresponding accommodating groove.

2. The fiber array apparatus of claim 1, wherein: the plurality of substrates are parallel to each other, the plurality of accommodating grooves on each substrate are arranged at equal intervals, and each accommodating groove is V-shaped.

3. The fiber array apparatus of claim 1, wherein: one end of each optical fiber is fixed in the corresponding accommodating groove through adhesive glue.

4. The fiber array apparatus of claim 1, wherein: the first surface or the second surface of each substrate is also provided with at least one positioning groove, and the positioning grooves are used for containing adhesive glue so as to connect the substrates with the side plates.

5. The fiber array apparatus of claim 4, wherein: every on the base plate the quantity of constant head tank is two, two the constant head tank is located a plurality ofly respectively the both sides of accepting the groove, the constant head tank is the rectangle, just the width of constant head tank is greater than the width of accepting the groove.

6. The fiber array apparatus of claim 1, wherein: the second surface is a plane, and except the substrate connected with the side plate, the first surfaces of the other substrates are connected with the second surface of the adjacent substrate, so that the accommodating grooves on the substrates and the corresponding optical fibers are covered by the second surface of the adjacent substrate.

7. The fiber array apparatus of claim 1, wherein: the optical fiber array device further comprises a packaging plate, a rectangular through hole is formed in the middle of the packaging plate, a step portion is formed in the side wall of the through hole, and the plurality of substrates and the side plates are arranged on the step portion.

8. The fiber array apparatus of claim 7, wherein: the optical fiber array device further comprises a spacing plate and a prism plate, the spacing plate is fixed on one side, far away from the optical fiber array unit, of the packaging plate, and the prism plate is connected with the packaging plate through the spacing plate.

9. The fiber array apparatus of claim 8, wherein: the optical fiber array device further comprises a first adhesive layer and a second adhesive layer, wherein the first adhesive layer and the second adhesive layer are located between the optical fiber array unit and the packaging plate, the first adhesive layer is in a rectangular frame shape and surrounds the edge of the optical fiber array device, and the second adhesive layer is in a flat plate shape and is located on one side, away from the partition plate, of the packaging plate.

10. The fiber array apparatus of claim 7, wherein: the optical fiber array device further comprises a protective cover, wherein the protective cover is fixed on the packaging plate and surrounds the optical fibers in a plurality.

Technical Field

The present invention relates to optical fiber communication devices, and more particularly, to an optical fiber array device.

Background

The Fiber Array Unit (Fiber Array Unit) is mainly used for light wave introduction and light wave export of optical communication devices, is an important component of optical Fiber Array devices such as Planar Lightwave Circuits (PLC), optical modules and the like, and is widely applied to optical modules such as data centers, access networks, military communication, consumer electronics and the like. The optical fiber array unit can position the ribbon optical fiber with high precision, ensure the position degree of each optical fiber in the optical fiber array and greatly reduce the loss of the optical waveguide device and the optical coupling alignment.

A conventional optical fiber array unit generally includes a base plate having optical fiber positioning grooves, and a cover plate covering the base plate, wherein a plurality of optical fibers are arranged between the base plate and the cover plate in an array, and each optical fiber is respectively disposed in a corresponding optical fiber positioning groove. However, the conventional optical fiber array unit generally includes only a single row of the substrate and the cover plate, and the number of cores is between 2 and 64. When the number of cores is required to exceed 64, such a fiber array unit is difficult to satisfy.

Disclosure of Invention

In view of the above, it is necessary to provide an optical fiber array device capable of satisfying the requirement of multiple cores to solve the above problems.

An optical fiber array device comprises an optical fiber array unit, wherein the optical fiber array unit comprises a plurality of substrates, side plates and a plurality of optical fibers, the substrates are sequentially connected, each substrate comprises a first surface and a second surface which are oppositely arranged, a plurality of regularly arranged accommodating grooves are formed in the first surface, the side plates are connected with the first surfaces of the substrates which are positioned at the edges, and one end of each optical fiber is fixed in the corresponding accommodating groove.

The optical fiber array unit in the optical fiber array device comprises a plurality of substrates, a side plate and a plurality of optical fibers, wherein each substrate is provided with a plurality of accommodating grooves, and one end of each optical fiber is fixed in the corresponding accommodating groove. Because the substrates are connected in sequence and stacked, the first surface of the substrate at the edge is connected with the side plate, and the first surface of each of the rest substrates is connected with the second surface of the adjacent substrate, the accommodating grooves on the substrates and the corresponding optical fibers can be covered by the second surfaces of the adjacent substrates. Thus, each substrate can be used as a cover plate for an adjacent substrate, so that it is not necessary to additionally provide a cover plate for a plurality of substrates. The optical fiber array device can meet the requirement of a multi-core optical fiber array, the density of the optical fiber array is improved, and the space is saved.

Drawings

Fig. 1 is a schematic perspective view of an optical fiber array apparatus according to an embodiment of the present invention.

Fig. 2 is an exploded perspective view of the optical fiber array device shown in fig. 1.

FIG. 3 is an exploded perspective view of the optical fiber array device shown in FIG. 1 from another angle.

Fig. 4 is a schematic perspective view of the optical fiber array unit in the optical fiber array device shown in fig. 1.

Fig. 5 is a top view of the optical fiber array unit of fig. 4.

Fig. 6 is a schematic perspective view of the substrate in the optical fiber array unit shown in fig. 4.

Description of the main elements

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present invention provides an optical fiber array device 100, which includes an optical fiber array unit 10, a package plate 20, a protection cover 30, a spacer plate 40 and a prism plate 50. The optical fiber array unit 10 is fixed on the packaging plate 20, the protective cover 30 is arranged around the optical fiber array unit 10, and the spacing plate 40 and the prism plate 50 are fixed on the side of the packaging plate 20 far away from the optical fiber array unit 10.

Referring to fig. 2 and fig. 3, the package plate 20 is rectangular, and a rectangular through hole 21 is formed in the middle of the package plate 20, and the through hole 21 is used for penetrating the optical fiber array unit 10. A step portion 211 is provided on an inner sidewall of the through-hole 21, and the optical fiber array unit 10 is provided on the step portion 211.

A protective cover 30 is fixed to the package plate 20 and disposed around the optical fibers of the optical fiber array unit 10 to prevent the optical fibers from being broken. The protective cover 30 includes a protective frame 31 and a protective plate 32 connected to the protective frame 31, the protective frame 31 has a substantially U-shaped frame shape, and the protective plate 32 has a rectangular plate shape. It will be appreciated that in other embodiments, protective cover 30 may have other shapes, for example, protective cover 30 may have two generally U-shaped protective frames.

The partition plate 40 has a rectangular frame shape and is fixed to the side of the package plate 20 away from the optical fiber array unit 10. The prism sheet 50 is connected to the package sheet 20 through the spacer sheet 40.

In the present embodiment, the optical fiber array unit 10 is fixed on the package board 20 by an adhesive glue, and thus, the optical fiber array device 100 further includes a first glue layer 61 and a second glue layer 62 between the optical fiber array unit 10 and the package board 20. The first glue layer 61 is in a rectangular frame shape, and is disposed on the step portion 211 and surrounds the edge of the optical fiber array device 100. The second glue layer 62 is in the form of a plate and is located on the side of the package plate 20 remote from the spacer plate 40.

Referring to fig. 4 to fig. 6, the optical fiber array unit 10 includes a plurality of substrates 11, a side plate 12, and a plurality of optical fibers 13 arranged in an array.

The plurality of substrates 11 are parallel to each other and sequentially connected, so that the plurality of substrates 11 are stacked in a row. Each substrate 11 includes a first surface 111 and a second surface 112 disposed opposite to each other, and the second surface 112 is a plane. The first surface 111 is provided with a plurality of receiving slots 113 and two positioning slots 114.

The plurality of receiving grooves 113 are regularly arranged, and in the present embodiment, the plurality of receiving grooves 113 are arranged at equal intervals, each receiving groove 113 has a V-shape, and each receiving groove 113 is used to receive a corresponding one of the optical fibers 13. It is understood that in other embodiments, the receiving groove 113 may have a circular, rectangular or other shape.

The two positioning grooves 114 are respectively disposed at two ends of the substrate 11 and located at two sides of the plurality of receiving grooves 113. In the present embodiment, the positioning groove 114 is rectangular, and the width of the positioning groove 114 is greater than the width of the accommodating groove 113. It is understood that in other embodiments, the detent 114 may also have a V-shape, a circular shape, or other shapes. The positioning groove 114 is used for receiving an adhesive to connect adjacent substrates 11 or connect the substrates 11 and the side plates 12, thereby connecting a plurality of substrates 11 and the side plates 12 together.

The side plate 12 has a strip plate shape, is located at one side of the plurality of base plates 11, and is connected to one of the base plates 11 located at the edge.

The plurality of optical fibers 13 are respectively located in the receiving grooves 113 of the substrate 11, and in the present embodiment, one end of each optical fiber 13 is fixed in the corresponding receiving groove 113 by an adhesive. The width of the receiving groove 113 is larger than the diameter of the optical fiber 13 so that the end of the optical fiber 13 can be completely received in the corresponding receiving groove 113.

Since the plurality of substrates 11 are stacked, the first surface of each substrate 11 except the substrate 11 connected to the side plate 12 is connected to the second surface 112 of the adjacent substrate 11, so that the receiving groove 113 of the substrate 11 and the corresponding optical fiber 13 can be covered by the second surface 112 of the adjacent substrate 11.

In the present embodiment, the number of the substrates 11 is 20, and the number of the receiving grooves 113 on each substrate 11 is 20, so that the optical fiber array unit 10 can accommodate 400 optical fibers, which far exceeds the number of optical fibers in the conventional optical fiber array unit. It is understood that the number of the substrates 11 and the number of the receiving slots 113 on each substrate 11 are also set according to the requirement.

The optical fiber array unit 10 of the optical fiber array device 100 includes a plurality of substrates 11, a side plate 12 and a plurality of optical fibers 13, wherein each substrate 11 is provided with a plurality of receiving slots 113, and one end of each optical fiber 13 is fixed in the corresponding receiving slot 113. Due to the stacking arrangement of the plurality of substrates 11, the first surface 111 of the substrate 11 at the edge is connected to the side plate 12, and the first surface 111 of each of the remaining substrates 11 is connected to the second surface 112 of the adjacent substrate 11, so that the accommodating groove 113 and the corresponding optical fiber 13 on the substrate 11 can be covered by the second surface 112 of the adjacent substrate 11. Therefore, each substrate 11 can be used as a cover plate for the adjacent substrate 11, so that it is not necessary to additionally provide a cover plate for a plurality of substrates 11. The optical fiber array device 100 can meet the requirement of a multi-core optical fiber array, improve the density of the optical fiber array and save the space.

In the present embodiment, the adhesive is a UV curable adhesive. It is understood that in other embodiments, the adhesive glue may also be a heat-curable glue or other adhesive.

It is understood that in other embodiments, the positioning groove 114 may be disposed on the second surface 112 of the substrate 11.

It is understood that in other embodiments, the number of positioning slots 114 on each substrate 11 may be one or more than two.

It is understood that, in other embodiments, the first adhesive layer 61 and the second adhesive layer 62 may have other shapes as long as the first adhesive layer 61 and the second adhesive layer 62 are respectively located on two sides of the plurality of substrates 11.

It is understood that in other embodiments, the plurality of receiving slots 113 may be arranged at unequal intervals, or only some of the receiving slots 113 may have equal intervals.

It is understood that in other embodiments, the receiving slots 113 on the plurality of substrates 11 may be staggered.

It is understood that in other embodiments, the second surface 112 of the substrate 11 may be partially planar, i.e., the portion covering the receiving groove 113 of the adjacent substrate 11 may be planar.

In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.