CN212903665U

CN212903665U - Tension testing device for high-precision optical fiber coupling area

Info

Publication number: CN212903665U
Application number: CN202021240636.0U
Authority: CN
Inventors: 张留振; 张鹏业; 周开军
Original assignee: Jiangsu Guangyang Optoelectronics Technology Co ltd
Current assignee: Jiangsu Guangyang Optoelectronics Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-06
Anticipated expiration: 2030-06-29

Abstract

A tension testing device for a high-precision optical fiber coupling area comprises: the grating adjusting device comprises a first optical fiber, a light source, a second optical fiber, a first clamp, a second clamp, a power monitor, a grating adjusting device and a grating, wherein the grating is engraved on the first optical fiber, two end parts of the first optical fiber are arranged on the first clamp and the second clamp, and one end, close to the second clamp, of the first optical fiber is connected with the grating adjusting device; two end parts of the second optical fiber are arranged on the first clamp and the second clamp, one end, close to the first clamp, of the second optical fiber is connected with the light source, and one end, close to the second clamp, of the second optical fiber is connected with the power monitor; the grating is arranged on the second clamp and is connected with the first optical fiber in a matching mode. The grating demodulator provides data support with higher precision and accuracy for the tension test system, and the actual tension value of the coupling area in the molten state can be calculated by combining the elastic coefficient of the optical fiber.

Description

Tension testing device for high-precision optical fiber coupling area

Technical Field

The utility model belongs to the technical field of the optical fiber test, specifically, relate to a tensile test device in high accuracy optical fiber coupling district.

Background

The optical fiber tapering machine commonly used at present realizes the coupling of the optical fiber in the molten state of the optical fiber and the drawing of the coupler, but has a defect that the basic tension of a coupling area cannot be mastered. In order to realize tension measurement of the coupling area, some enterprises adopt a tension meter to measure, and the mode often has the defects of low precision, large influence of external factors and the like.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a tensile test device in high accuracy optic fibre coupling district, through improving the cone drawing machine, combine fiber grating, grating demodulation appearance, the common tensile test system that constitutes of cone drawing control system, make it can be accurate the actual tension value of coupling district under the optic fibre molten state in the work process of cone drawing machine of survey; the grating demodulator provides data support with higher precision and accuracy for the tension test system, and the actual tension value of the coupling area in the molten state can be calculated by combining the elastic coefficient of the optical fiber, so that more reliable data support is provided for on-line tension screening in the future.

The technical scheme is as follows: the utility model provides a tensile test device in high accuracy optical fiber coupling district, include: the grating adjusting device comprises a first optical fiber, a light source, a second optical fiber, a first clamp, a second clamp, a power monitor, a grating adjusting device and a grating, wherein the grating is engraved on the first optical fiber, two end parts of the first optical fiber are arranged on the first clamp and the second clamp, and one end, close to the second clamp, of the first optical fiber is connected with the grating adjusting device; two end parts of the second optical fiber are arranged on the first clamp and the second clamp, one end, close to the first clamp, of the second optical fiber is connected with the light source, and one end, close to the second clamp, of the second optical fiber is connected with the power monitor; the grating is arranged on the second clamp and is connected with the first optical fiber in a matching mode. The tension testing device of the high-precision optical fiber coupling area of the utility model combines the fiber grating, the grating demodulator and the tapering control system to jointly form a tension testing system by improving the tapering machine, so that the tension testing device can accurately measure the actual tension value of the coupling area in the optical fiber melting state in the working process of the tapering machine; the grating demodulator provides data support with higher precision and accuracy for the tension test system, and the actual tension value of the coupling area in the molten state can be calculated by combining the elastic coefficient of the optical fiber, so that more reliable data support is provided for on-line tension screening in the future.

Furthermore, in the tensile test device for the high-precision optical fiber coupling area, the first clamp and the second clamp are arranged on the tapering machine. And stretching is realized by the relative movement of the first clamp and the second clamp.

Further, in the tensile testing apparatus for the high-precision optical fiber coupling region, the second optical fiber is provided with a coupling region, and the coupling region is located between the first clamp and the second clamp. The structural design is simple, and the realization is easy.

Furthermore, in the tensile test device for the high-precision optical fiber coupling area, the first optical fiber and the second optical fiber are arranged in parallel. When stretched, the first optical fiber and the second optical fiber can obtain the same tensile force.

Furthermore, according to the tensile force testing device of the high-precision optical fiber coupling area, the power monitor can monitor and display optical fiber coupling parameters in real time. Data can be collected for fiber coupling.

Furthermore, according to the tension testing device for the high-precision optical fiber coupling region, the grating adjusting device can adjust the central wavelength offset of the grating. The data is regulated by the grating regulator to be combined with the elastic coefficient of the optical fiber, so that the actual tension value of the coupling area can be accurately calculated.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the tension testing device of the high-precision optical fiber coupling area of the utility model combines the fiber grating, the grating demodulator and the tapering control system to jointly form a tension testing system by improving the tapering machine, so that the tension testing device can accurately measure the actual tension value of the coupling area in the optical fiber melting state in the working process of the tapering machine; the grating demodulator provides data support with higher precision and accuracy for the tension test system, and the actual tension value of the coupling area in the molten state can be calculated by combining the elastic coefficient of the optical fiber, so that more reliable data support is provided for online tension screening in the future, and the method has very high popularization value.

Drawings

Fig. 1 is the structure diagram of the tension testing device in the high-precision optical fiber coupling area of the present invention.

In the figure: the device comprises 1 a first optical fiber, 2 light sources, 3 a second optical fiber, 4 a first clamp, 5 a second clamp, 6 a power monitoring device, 7 a grating regulator and 8 gratings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The tension testing device for the high-precision optical fiber coupling area shown in fig. 1 comprises: the device comprises a first optical fiber 1, a light source 2, a second optical fiber 3, a first clamp 4, a second clamp 5, a power monitor 6, a grating mediation device 7 and a grating 8, wherein the grating is engraved on the first optical fiber 1, two ends of the first optical fiber 1 are arranged on the first clamp 4 and the second clamp 5, the first clamp 4 and the second clamp 5 are arranged on a tapering machine, one end of the first optical fiber 1 close to the second clamp 5 is connected with the grating mediation device 7, and the grating mediation device 7 can mediate the central wavelength offset of the grating 8; the first optical fiber 1 and the second optical fiber 3 are arranged in parallel; the two ends of the second optical fiber 3 are arranged on a first clamp 4 and a second clamp 5, a coupling area is arranged on the second optical fiber 3, the coupling area is arranged between the first clamp 4 and the second clamp 5, one end, close to the first clamp 4, of the second optical fiber 3 is connected with the light source 2, one end, close to the second clamp 5, of the second optical fiber 3 is connected with a power monitor 6, and the power monitor 6 can monitor and display optical fiber coupling parameters in real time; the grating 8 is arranged on the second clamp 5, and the grating 8 is connected with the first optical fiber 1 in a matching mode.

During work, based on the structural foundation, as shown in fig. 1, the tapering machine drives the first clamp 4 and the second clamp 5 to move relatively to stretch the first optical fiber 1 and the second optical fiber 3; meanwhile, the power monitoring device 6 monitors and displays the coupled parameters in real time; the grating 8 is deformed due to the tensile force, so that the center wavelength is shifted, and the shift is adjusted by the grating adjusting device 7 and displayed in real time; the real-time tension value of the coupling area can be calculated by combining the data regulated by the grating regulating device 7 and the elastic coefficient of the optical fiber.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A tensile force testing device of a high-precision optical fiber coupling area is characterized by comprising: the grating-based optical fiber grating detection device comprises a first optical fiber (1), a light source (2), a second optical fiber (3), a first clamp (4), a second clamp (5), a power monitor (6), a grating mediation device (7) and a grating (8), wherein the grating is carved on the first optical fiber (1), two end parts of the first optical fiber (1) are arranged on the first clamp (4) and the second clamp (5), and one end, close to the second clamp (5), of the first optical fiber (1) is connected with the grating mediation device (7); two end parts of the second optical fiber (3) are arranged on the first clamp (4) and the second clamp (5), one end, close to the first clamp (4), of the second optical fiber (3) is connected with the light source (2), and one end, close to the second clamp (5), of the second optical fiber (3) is connected with the power monitor (6); the grating (8) is arranged on the second clamp (5), and the grating (8) is connected with the first optical fiber (1) in a matched mode.

2. The tension testing device of the high-precision optical fiber coupling area according to claim 1, wherein the first clamp (4) and the second clamp (5) are arranged on a tapering machine.

3. A tension testing device for coupling region of high precision optical fiber according to claim 1, wherein the second optical fiber (3) has a coupling region between the first clamp (4) and the second clamp (5).

4. A tension test device of a high precision optical fiber coupling area according to claim 1, wherein the first optical fiber (1) and the second optical fiber (3) are arranged in parallel.

5. A tension testing device of a high precision optical fiber coupling area according to claim 1, wherein the power monitor (6) can monitor and display optical fiber coupling parameters in real time.

6. A tension test device of a high precision optical fiber coupling area according to claim 1, wherein the grating adjusting device (7) can adjust the central wavelength offset of the grating (8).