阅读说明：本技术 一种聚合物光纤面板、制造方法及大面积聚合物光纤面板 (Polymer optical fiber panel, manufacturing method and large-area polymer optical fiber panel ) 是由 马西响 王三昭 王梓舟 甄文 任宏宇 于 2021-11-16 设计创作，主要内容包括：本发明涉及一种聚合物光纤面板、制造方法及大面积聚合物光纤面板,属于成像技术中使用的光纤面板。本发明采用的一种技术方案为：聚合物光纤面板,整体结构为正多边形,内部为阵列排布的聚合物光纤单丝,所述聚合物光纤单丝包括聚合物芯料和包裹聚合物芯料的聚合物皮料,聚合物芯料处于中心,聚合物皮料包裹住聚合物芯料。与现有技术相比本发明采用复合纺丝法制备聚合物光纤是成本低、制造速度快、能够连续化、高效的进行制造。采用聚合物光纤采用熔合-拉丝-熔合的工艺来制造聚合物光纤面板,所制得的聚合物光纤面板每个均能够单元独立传像,单个聚合物光纤面板单元结构规整,内部结构稳定,使用时获得的分辨率高。(The invention relates to a polymer optical fiber panel, a manufacturing method and a large-area polymer optical fiber panel, belonging to an optical fiber panel used in the imaging technology. The invention adopts a technical scheme that: the polymer optical fiber panel is in a regular polygon shape in the whole structure, polymer optical fiber monofilaments arranged in an array are arranged inside the polymer optical fiber panel, each polymer optical fiber monofilament comprises a polymer core material and a polymer cladding material wrapping the polymer core material, the polymer core material is located in the center, and the polymer cladding material wraps the polymer core material. Compared with the prior art, the polymer optical fiber prepared by the composite spinning method has the advantages of low cost, high manufacturing speed, continuity and high efficiency. The polymer optical fiber panel is manufactured by adopting a fusion-drawing-fusion process for the polymer optical fiber, each unit of the manufactured polymer optical fiber panel can independently transmit images, the unit structure of a single polymer optical fiber panel is regular, the internal structure is stable, and the resolution obtained in use is high.)

1. The polymer optical fiber panel is characterized in that the whole structure is a regular polygon, polymer optical fiber monofilaments arranged in an array mode are arranged inside the polymer optical fiber panel, each polymer optical fiber monofilament comprises a polymer core material and a polymer cladding material wrapping the polymer core material, the polymer core material is located in the center, and the polymer cladding material wraps the polymer core material.

2. The polymer optic fiber faceplate of claim 1, wherein the polymer core material is PMMA and the polymer jacket material is a fluororesin.

3. A method of making the polymer optic fiber panel of claim 1, wherein: the method comprises the following steps:

1) preparing a polymer optical fiber monofilament with a core-sheath fiber structure by using a high-precision melt spinning machine through a composite spinning method;

2) arranging the polymer optical fiber monofilaments according to a preset template by using a precise automatic plate arranging machine to form a primary monofilament rod;

3) vacuumizing and pressurizing in a hot-press forming furnace, heating and insulating the arranged primary monofilament rods, and pressing into primary prefabricated rods;

4) drawing the primary prefabricated rod into optical fiber multifilament by adopting multi-section temperature control near-infrared optical fiber drawing equipment, and then cutting the optical fiber multifilament into a plurality of sections of multifilaments with certain length by laser filament cutting;

5) taking a plurality of multifilaments, discharging the regular hexagon fiber array plate in a regular hexagon plate arranging mold, binding and fixing two ends of the fiber array plate;

6) loading the arranged fiber array plate into a melt-pressing forming die and placing the die into a vacuum hot-pressing furnace for secondary melt-pressing;

7) and (3) slicing the vacuum fused polymer optical fiber array plate section by using an inner circle slicer, grinding by using a grinder and polishing by using a polishing machine to obtain the polymer optical fiber panel with the preset thickness.

4. The method of claim 3, wherein: the temperature of the vacuum hot-press molding in the step 3) is 180-220 ℃, and the pressure is 0.40 MPa.

5. The method of claim 3, wherein: and 4) drawing the optical fiber multifilament in the step 4) at the drawing temperature of 205-240 ℃, at the feeding speed of 4mm/min and at the drawing speed of 4r/min to draw the optical fiber multifilament with the opposite side of 1.3 mm.

6. The method of claim 3, wherein: the temperature of the vacuum hot pressing in the step 6) is 160-180 ℃, and the pressure is 0.198MPa.

7. The method of claim 3, wherein: the diameter of the polymer optical fiber monofilament prepared in the step 1) is phi 300 mu m-500 mu m.

8. The method of claim 3, wherein: and 4) according to the requirements of different polymer optical fiber panels, the prepared primary multifilament can be drawn into secondary or multiple optical fiber multifilaments by optical fiber drawing equipment.

9. A large area polymer optical fiber panel made of the polymer optical fiber panel of claim 1, wherein a plurality of the polymer optical fiber panels of claim 1 are closely arranged and bonded by ultraviolet light curing glue to form a large area polymer optical fiber panel.

10. The large area polymer optic fiber faceplate of claim 9, wherein said uv curable adhesive is a colorless and transparent, high transmittance photosensitive adhesive that cures rapidly upon exposure to uv light to effect intimate fixation of the plurality of polymer optic fiber faces together.

Technical Field

The invention relates to a polymer optical fiber panel, a manufacturing method and a large-area polymer optical fiber panel, belonging to an optical fiber panel used in the imaging technology.

Background

The optical fiber panel is a plate-shaped image transmission original with the thickness smaller than the cross section, and is formed by heating and fusing a plurality of optical fibers which are arranged according to a certain rule. The two ends of the optical fiber are closely arranged according to the one-to-one corresponding relation, so that the input end and the output end of each optical fiber are in one-to-one correspondence geometrically, and each optical fiber transmits an image point, thereby playing the role of image conduction. The diameter of each optical fiber is in the order of several microns to tens of microns, and the optical fiber has high image transmission efficiency and small distortion. The optical fiber panel has the characteristics of high light collecting efficiency, high light transmission efficiency and real image transmission, various planes or curved surfaces processed by the optical fiber panel are used as input and output windows and matched with electronic optical devices to eliminate aberration, and images with large contrast and high resolution can be obtained.

Most of the existing optical fiber panels are made of glass optical fibers with mature production and processing processes, and although the existing optical fiber panels can meet most of use requirements, the existing optical fiber panels have the problems of heavy weight, brittleness and frangibility, acid and corrosion resistance, poor biocompatibility, low yield of products, high manufacturing cost and the like.

Facing market demands and technical bottlenecks, polymer optical fiber panels have the advantages of low price, good toughness, acid and alkali resistance, good biocompatibility and the like, only the United states can produce the polymer optical fiber panels for imaging application in the world at present, and images can be transmitted from an input surface to an output surface with high uniformity, real color fidelity and minimum distortion.

At present, the polymer optical fiber panel manufactured by adopting the polymer optical fiber technology is not related in China, and is expected to become a preferred product for replacing the glass optical fiber panel and making up the defects of the glass optical fiber panel.

Disclosure of Invention

The present invention provides a polymer optical fiber panel, a manufacturing method thereof and a large-area polymer optical fiber panel,

the polymer optical fiber panel with low cost, high resolution and wide application range is manufactured.

In order to solve the technical problems, the invention adopts a technical scheme that:

the polymer optical fiber panel is in a regular polygon shape in the whole structure, polymer optical fiber monofilaments arranged in an array are arranged inside the polymer optical fiber panel, each polymer optical fiber monofilament comprises a polymer core material and a polymer cladding material wrapping the polymer core material, the polymer core material is located in the center, and the polymer cladding material wraps the polymer core material.

Preferably, the polymer core is PMMA and the polymer sheath is a fluororesin.

A method of making a polymer optical fiber panel, comprising: the method comprises the following steps:

1) and preparing the polymer optical fiber monofilament with the core-sheath fiber structure by using a high-precision melt spinning machine through a composite spinning method.

2) And arranging the polymer optical fiber monofilaments according to a preset template by using a precise automatic plate arranging machine to form a primary monofilament rod.

3) Vacuumizing and pressurizing in a hot-press forming furnace, heating and insulating the arranged primary single-fiber rods, and pressing into primary prefabricated rods.

4) And drawing the primary prefabricated rod into optical fiber multifilament by adopting multi-section temperature-control near-infrared optical fiber drawing equipment, and cutting the optical fiber multifilament into a plurality of sections of multifilaments with certain length by laser filament cutting.

5) Taking a plurality of multifilaments, discharging the regular hexagon fiber array plate in a regular hexagon plate arranging mold, binding and fixing two ends of the fiber array plate;

6) loading the arranged fiber array plate into a melt-pressing forming die and placing the die into a vacuum hot-pressing furnace for secondary melt-pressing;

7) and (3) slicing the vacuum fused polymer optical fiber array plate section by using an inner circle slicer, grinding by using a grinder and polishing by using a polishing machine to obtain the polymer optical fiber panel with the preset thickness.

The steps in the manufacturing method are preferably: the temperature of the vacuum hot pressing in the step 3) is 180-220 ℃, and the pressure is 0.40 MPa.

The steps in the manufacturing method are preferably: and 4) drawing the optical fiber multifilament in the step 4) at the drawing temperature of 205-240 ℃, at the feeding speed of 4mm/min and at the drawing speed of 4r/min to draw the optical fiber multifilament with the opposite side of 1.3 mm.

The steps in the manufacturing method are preferably: the temperature of the vacuum hot pressing in the step 6) is 160-180 ℃, and the pressure is 0.198MPa.

The steps in the manufacturing method are preferably: the diameter of the polymer optical fiber monofilament prepared in the step 1) is phi 300 mu m-500 mu m.

The steps in the manufacturing method are preferably: and 4) according to the requirements of different polymer optical fiber panels, the prepared primary multifilament bar can be drawn into secondary or multiple optical fiber multifilaments by adopting optical fiber drawing equipment.

A large-area polymer optical fiber panel made of polymer optical fiber panels is characterized in that a plurality of polymer optical fiber panels are arranged closely and bonded through ultraviolet light curing glue, and finally a large-area polymer optical fiber panel is formed.

The structure of the large-area polymer optical fiber panel is preferable, the ultraviolet curing glue is colorless and transparent photosensitive glue with high light transmittance, and can be rapidly cured through ultraviolet irradiation, so that a plurality of polymer optical fiber surfaces are tightly fixed together.

The invention spins polymer fiber monofilament by high-precision melt spinning machine, carries out regular matrix arrangement, fuses to form a primary prefabricated rod, draws fiber multifilament, arranges plates, carries out vacuum fusion pressing to obtain polymer fiber array plate section, and then carries out slicing, grinding and polishing treatment, finally produces polymer fiber panel with low cost, high resolution and wide application range.

Compared with the prior art, the polymer optical fiber prepared by adopting the high-precision solvent composite spinning method has the advantages of low cost, high manufacturing speed, continuity and high efficiency. The polymer optical fiber panel is manufactured by adopting a fusion-drawing-fusion process of the polymer optical fiber, each unit of the manufactured polymer optical fiber panel can independently transmit images, the unit structure of a single polymer optical fiber panel is regular, the internal structure is stable, the resolution obtained in use is high, the application range is wide, and the polymer optical fiber panel is a brand-new optical fiber product.

Drawings

FIG. 1 is a schematic view of the structure of a disposable monofilament rod manufactured according to the present invention,

FIG. 2 is a schematic view of a polymer optical fiber panel made according to the present invention,

FIG. 3 is a schematic view of a large-sized fiber optic faceplate formed by bonding polymer fiber optic faceplates according to the present invention.

Detailed Description

The following further describes the present invention:

the invention relates to an optical fiber panel made of polymer, which has a regular polygon integral structure and polymer optical fiber monofilaments arranged in an array mode inside, wherein each polymer optical fiber monofilament comprises a polymer core material and a polymer cladding material wrapping the polymer core material, the polymer core material is positioned in the center, and the polymer cladding material wraps the polymer core material. The polymer core material is PMMA, and the polymer skin material is fluororesin.

The manufacturing process of the polymer optical fiber panel adopts a high-precision melt spinning machine to spin polymer optical fiber monofilaments, the polymer optical fiber monofilaments are arranged in a regular matrix and fused into a primary preform, optical fiber multifilaments are drawn, the polymer optical fiber array plate section is formed by plate arrangement and vacuum fusion pressing, and then optical finish machining is carried out, and finally the finished polymer optical fiber panel is manufactured.

The manufacturing method of the polymer optical fiber panel is concretely explained, and comprises the following steps:

(1) the polymer optical fiber monofilament with the outer diameter specification of phi 300-500 microns of a core-sheath fiber structure is prepared by a high-precision melt spinning machine through a composite spinning method, wherein a core material of the polymer optical fiber monofilament is PMMA, and a sheath material is fluororesin.

(2) In an ultra-clean laboratory, polymer optical fiber monofilaments are subjected to electrostatic treatment, a precise automatic plate arranging machine is used for arranging the polymer optical fiber monofilaments into regular-hexagon primary monofilament rods with 40 pairs of sides, and two ends of the primary monofilament rods after the arrangement of the monofilaments are bound and fixed by copper wires.

(3) And (3) putting the bundled primary monofilament rods into a special die and putting the special die into a hot-press forming furnace, carrying out internal vacuumizing on the hot-press forming furnace, carrying out heating and heat preservation treatment, setting the melting temperature to be 180-220 ℃ according to the preparation requirement of a product, applying the pressure to be 0.40MPa, and naturally cooling to form the primary polymer optical fiber preform.

(4) And drawing the vacuum fused primary preform into optical fiber multifilaments with side length of 1.3mm in pairs at 205-240 ℃ at a feeding speed of 4mm/min and a drawing speed of 4r/min by adopting multi-section temperature-controlled near-infrared optical fiber drawing equipment, and then cutting the optical fiber multifilaments into a plurality of sections of multifilaments with certain length by a laser filament cutter.

(5) Taking m multifilaments, arranging the hexagonal multifilaments fiber array plate with 13 opposite sides in a regular hexagonal plate arranging mold, and binding and fixing two ends by using copper wires.

(6) And (3) loading the bundled multifilament fiber array plate into a melt-pressing forming die and placing the die into a vacuum hot-pressing furnace, setting the melt-pressing temperature to be 160-180 ℃ and the applied pressure to be 0.198MPa according to the preparation requirements of products, and forming a polymer optical fiber array plate section.

(7) And (3) slicing the vacuum fused polymer optical fiber array plate section by using an inner circle slicer, grinding by using a grinder and polishing by using a polishing machine to obtain the polymer optical fiber panel with the preset thickness.

The monofilament diameter, multifilament diameter and other dimensions of the polymer optical fiber are derived from the requirements of the polymer optical fiber panel unit array, and may be other dimensions according to the requirements.

According to the requirements of different polymer optical fiber panels, the prepared primary multifilament bar can also be drawn into secondary or multiple optical fiber multifilaments by adopting optical fiber drawing equipment, and then the polymer optical fiber panels with different size requirements are prepared by plate arrangement and vacuum fusion pressing.

The large-area polymer optical fiber panel structure is formed by closely arranging a plurality of polymer optical fiber panels, and bonding the polymer optical fiber panels through ultraviolet light curing glue to finally form a large-area polymer optical fiber panel. The ultraviolet curing adhesive is a colorless and transparent photosensitive adhesive with high light transmittance, and can be cured rapidly through ultraviolet irradiation, so that a plurality of polymer optical fiber surfaces are tightly fixed together.

The polymer optical fiber panel and the manufacturing method thereof and the large-area polymer optical fiber panel provided by the invention have the advantages that the polymer optical fiber prepared by adopting the composite spinning method has low cost, quick manufacturing, continuous production, high-efficiency manufacturing and the like.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.