CN210109385U

CN210109385U - Reinforced optical fiber array

Info

Publication number: CN210109385U
Application number: CN201922351862.XU
Authority: CN
Inventors: 余创; 黄望隆
Original assignee: Wuhan Yilutong Science And Technology Co Ltd
Current assignee: Wuhan Yilutong Science And Technology Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-02-21
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a reinforced optical fiber array, which comprises a cover plate, a base plate and a preset number of optical fibers, wherein both the lower surface of the cover plate and the upper surface of the base plate are frosted surfaces, and a first glue layer is filled between the frosted surface of the cover plate and the frosted surface of the base plate; the cover plate is provided with a plurality of first U-shaped grooves with preset quantity, the base plate is provided with a plurality of second U-shaped grooves matched with the first U-shaped grooves on the cover plate, and optical fibers with preset quantity are fixed through the first U-shaped grooves and the second U-shaped grooves matched with the first U-shaped grooves respectively. The utility model discloses set the fixed slot on apron and the base plate into U type groove structure by current V type groove for make the intensity and the stability of the optic fibre in the fiber array improve, the lower surface of apron simultaneously with the upper surface of base plate is the frosting, makes the adhesive force of the first glue layer on the frosting stronger, and the adhesion strength of ultraviolet curing glue improves, the reliability that apron and base plate bonded is more stable.

Description

Reinforced optical fiber array

Technical Field

The utility model relates to an optical fiber transmission technical field, concretely relates to strenghthened type fiber array.

Background

At present, with the rapid development of communication technology and the rapid increase of practical application, the research of large-capacity optical fiber communication systems has great application value. As the demand for long distance information transmission becomes greater, the use of optical fibers becomes more and more widespread, and the use demand of optical fiber arrays also becomes greater. The optical splitter chips and the optical fiber arrays of different channels are used, so that the corresponding 1: 4. 1: 8. 1: 16. 1: 32, etc. with different branch ratios. For Optical transport network devices, the use of a Reconfigurable Optical Add/Drop Multiplexer (ROADM) among others can flexibly expand the network capacity and reduce the operation cost. WSS is a technology of choice for current RODAM. For a 1 × N WSS, 1 refers to a Common (COM) port and N represents a branch port. The WSS operates when a set of Wavelength Division Multiplexed (WDM) signals enters from a COM port, the set of WDM signals being separated by optical wavelengths and then routed to one of N branch ports according to system requirements. Conversely, optical signals can be received as inputs from the N branch ports and transmitted as outputs from the COM port.

At present, optical fibers in an optical fiber array are fixed through a cover plate and a basic V-shaped groove, although the V-shaped groove is simple, economical and convenient in the production and processing (mainly mold opening) processes, the V-shaped groove has weak positioning and fixing effects on the optical fibers, and particularly under the condition that glue bubbles do not completely penetrate the V-shaped groove, an optical fiber ribbon is easy to separate under the condition of strong pulling; the existing cover plate and the existing base plate are adhered by epoxy resin or acrylic resin glue, and the volume of the cover plate and the base plate is reduced by 5% -20% after curing compared with that before curing, so that the bonding strength is reduced, and the reliability is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a strenghthened type fiber array sets U type groove structure to through the V type groove with on apron and the base plate for the intensity and the stability of optic fibre (optical fiber ribbon) in the fiber array are better, the upper surface of apron simultaneously with the lower surface of base plate is the frosting, makes the bonding strength of the first glue layer on the frosting improve, the reliability is more stable.

In order to achieve the above object, the utility model provides a following technical scheme:

a reinforced optical fiber array comprises a cover plate, a base plate and a preset number of optical fibers, wherein both the lower surface of the cover plate and the upper surface of the base plate are frosted surfaces, and a first glue layer is filled between the frosted surfaces of the cover plate and the base plate; the cover plate is provided with a plurality of first U-shaped grooves with preset quantity, the base plate is provided with a plurality of second U-shaped grooves matched with the first U-shaped grooves on the cover plate, and optical fibers with preset quantity are fixed through the first U-shaped grooves and the second U-shaped grooves matched with the first U-shaped grooves respectively.

As the embodiment of the utility model provides a preferred, the surface in first U type groove and the second U type groove that matches with it is provided with the frosting, first U type groove and the second U type groove clearance intussuseption that matches with it are filled with the second glue layer.

As the embodiment of the utility model discloses preferred, every first U type groove and the inside optic fibre section in the second U type groove that matches with it are the optic fibre section of getting rid of the coating.

As the embodiment of the utility model provides a preferred, first glue layer is ultraviolet curing glue, the viscosity of ultraviolet curing glue under 25 ℃ is 350~500cps, and the hardness is shore 83D after the glue solidification.

As the utility model discloses the preferred of the embodiment, the base plate is in including connecting the step and setting the arc base plate of connecting the step front end, it has the third glue layer to coat on the step to connect.

As the utility model discloses preferred of the embodiment, the third glue layer is ultraviolet curing glue, ultraviolet curing glue viscosity under 25 ℃ is 4800~5300cps, and the hardness is 50D of shao shi after the solidification.

As the utility model discloses the preferred of embodiment the coating has the fourth glue layer on the arc base plate, the fourth glue layer is silica gel glue, the viscosity of silica gel glue under 25 ℃ is 45000cps, and the hardness is shao shi 27A after the solidification.

(1) Strenghthened type fiber array, set U type groove structure into by current V type groove through the fixed slot with on apron and the base plate for the intensity and the stability of optic fibre (optical fiber ribbon) among the fiber array improve 20~25%, under the condition that the glue bubble does not permeate U type groove completely simultaneously, intensity can also further improve 5~ 8%.

(2) Strenghthened type fiber array, the lower surface of apron with the upper surface of base plate is the frosting for the adhesive force of the first glue layer on the frosting is stronger, and the adhesion strength of ultraviolet curing glue improves, the reliability that apron and base plate bonded is more stable.

(3) Strenghthened type fiber array, through setting the frosting to the surface with U type groove (first U type groove and second U type groove) for the fixed effect of the second glue layer in U type inslot is further strengthened.

(4) Strenghthened type fiber array, through the coating on connecting the step have the third glue layer, when fiber array is very fast at the rate of change of in-process temperature in the use, because the third glue layer can prevent first glue layer and expand and flow on pasting the face, can effectually prevent to take place to destroy because the viscosity of first glue layer descends and causes the base plate and apron to peel off the back.

Drawings

Fig. 1 is a schematic view of the overall structure of the reinforced fiber array of the present invention;

fig. 2 is a left side view of the reinforced fiber array of the present invention;

fig. 3 is a front view of the reinforced fiber array of the present invention.

The reference numerals shown in the figures are as follows:

1. a cover plate; 2. a substrate; 2.1, connecting steps; 2.2, arc-shaped substrates; 3. an optical fiber; 4. a first U-shaped groove; 5. a second U-shaped groove; 6. sanding surface; 7. a first glue layer; 8. a second glue layer; 9. a third glue layer, 10, a fourth glue layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the embodiment of the utility model provides a strenghthened type fiber array specifically includes apron 1, base plate 2 and the optic fibre 3 of predetermineeing quantity, is provided with the first U type groove 4 of predetermineeing quantity on the apron 1, be provided with on the base plate 2 with apron 1 on first U type groove 4 assorted second U type groove 5, every predetermined optic fibre 3 is fixed through apron 1 on first U type groove 4 and the base plate 2 respectively with its second U type groove 5 that matches. The strength and stability of optical fibers (optical fiber ribbons) in the optical fiber array are improved by 20-25% through the design of the U-shaped grooves (the first U-shaped groove 4 and the second U-shaped groove 5), and meanwhile, the strength can be further improved by 5-8% under the condition that glue bubbles do not completely penetrate through the U-shaped grooves (the first U-shaped groove 4 and the second U-shaped groove 5). Specifically, the two-point fixing mode is adopted by the V-shaped groove to position and fix the cover plate 1 and the optical fiber 3 in the substrate 2, and the three-point fixing mode is adopted by the U-shaped groove to position and fix the optical fiber 3, so that the strength and the stability of the three-point positioning are better than those of the two-point positioning obviously.

Referring to fig. 1 to 2, the lower surface of the cover plate 1 and the upper surface of the base plate 2 are frosted surfaces 6, a first glue layer is filled between the frosted surfaces of the cover plate 2 and the base plate, and through the frosted surfaces 6, the adhesive force of the first glue layer 7 on the frosted surfaces 6 is stronger, and the bonding strength is improved, and the reliability of bonding the cover plate 1 and the base plate 2 is more stable. In this embodiment, the first glue layer 7 is ultraviolet curing glue, the viscosity of the ultraviolet curing glue at 25 ℃ is 350-500 cps, and the hardness of the glue after curing is shore 83D, so that the ultraviolet curing glue has good flowability and can be cured at the same time to achieve a strong curing effect. Further optimizing this embodiment, the surfaces of first U-shaped groove 4 and second U-shaped groove 5 that matches with it are frosted, and the adhesion of second glue layer 8 (second glue layer 8 also is ultraviolet curing glue) in the reinforcing U-shaped groove (first U-shaped groove 4 and first U-shaped groove 4) is stronger, and is better to the solidification effect of optic fibre 3, especially has the effect when ultraviolet curing glue has the bubble in the course of solidifying under the condition.

Referring to fig. 1 to 3, in the present embodiment, the substrate 2 includes a connection step 2.1 and an arc-shaped substrate 2.2 disposed at a front end of the connection step 2.1, a third glue layer 9 is coated on the connection step 2.1, and a fourth glue layer 10 is coated on the arc-shaped substrate 2.2. Through evenly coating on the edge of connecting step 2.1 has third glue layer 9, when the change rate of optical fiber array temperature in the use is very fast, because third glue layer 9 can prevent first glue layer 7 from expanding and flowing on base plate 1, can effectually prevent to take place to destroy because the viscosity of first glue layer 7 descends and cause base plate 2 and apron 1 to peel off the back.

In this embodiment, the third glue layer 9 is an ultraviolet curing glue, the viscosity of the ultraviolet curing glue at 25 ℃ is 4800-5300 cps, and the hardness after curing is 50 shore D. The fourth glue layer 10 is silica gel glue, the viscosity of the silica gel glue at 25 ℃ is 45000cps, and the hardness after curing is shore 27A. It can be found that the viscosity of the third glue layer 9 is much higher than that of the first glue layer 7, so that the flow of the first glue layer 7 can be effectively prevented, the hardness of the third glue layer 9 after being cured is lower than that of the first glue layer 7, so that the flexibility of the connecting step 2.1 can be ensured, and the fourth glue layer 10 adopts silica gel glue, so that the fourth glue layer can be well matched with the flexibility of the third glue layer 9, and the light transmission is good.

In this embodiment, after the cover plate 1, the substrate 2 and the optical fiber 3 are assembled, the third glue layer 9 is coated first, and is cured by the ultraviolet curing lamp, then the first glue layer 7 and the second glue layer 8 are respectively injected into the gap between the cover plate 1 and the substrate 2 and the U-shaped groove (the first U-shaped groove 4 and the second U-shaped groove 5), when the gap between the substrate 2 and the cover plate 1 and the U-shaped groove are filled with the first glue layer 7 and the second glue layer 8, the ultraviolet curing lamp is used for curing, finally the arc-shaped substrate 2.2 is coated with the fourth glue layer 10, and after the substrate is placed at normal temperature for more than 30 minutes, the filling and coating of the glue can be completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a strenghthened type fiber array, includes apron (1), base plate (2) and optic fibre (3) of predetermineeing quantity, its characterized in that: both the lower surface of the cover plate (1) and the upper surface of the base plate (2) are frosted surfaces (6), and a first glue layer (7) is filled between the frosted surfaces of the cover plate (1) and the base plate (2); be provided with a plurality of first U type groove (4) of predetermineeing quantity on apron (1), be provided with on base plate (2) a plurality of with first U type groove (4) assorted second U type groove (5) on apron (1), optic fibre (3) of predetermineeing quantity are fixed through first U type groove (4) and second U type groove (5) that match with it respectively.

2. The array of reinforced optical fibers of claim 1, wherein: the inner surface of first U type groove (4) and second U type groove (5) that matches with it is provided with dull polish face, first U type groove (4) and second U type groove (5) clearance intussuseption that matches with it are filled with second glue layer (8).

3. The array of reinforced optical fibers of claim 1, wherein: and the optical fiber section in each first U-shaped groove (4) and the matched second U-shaped groove (5) is a fiber section with a coating removed.

4. The array of reinforced optical fibers of claim 1, wherein: the first glue layer (7) is ultraviolet curing glue, the viscosity of the ultraviolet curing glue at 25 ℃ is 350-500 cps, and the hardness of the glue after curing is Shore 83D.

5. The array of reinforced optical fibers of claim 1, wherein: base plate (2) are in including connecting step (2.1) and setting connect arc base plate (2.2) of step (2.1) front end, it has third glue layer (9) to coat on connecting step (2.1).

6. The array of reinforced optical fibers of claim 5, wherein: the third glue layer (9) is ultraviolet curing glue, the viscosity of the ultraviolet curing glue at 25 ℃ is 4800-5300 cps, and the hardness after curing is Shore 50D.

7. The array of reinforced optical fibers of claim 5, wherein: a fourth glue layer (10) is coated on the arc-shaped substrate (2.2); the fourth glue layer (10) is silica gel glue, the viscosity of the silica gel glue at 25 ℃ is 45000cps, and the hardness after curing is Shore 27A.