CN210864201U - Thermal expansion optical fiber beam expanding clamp and optical fiber beam expanding device - Google Patents
Thermal expansion optical fiber beam expanding clamp and optical fiber beam expanding device Download PDFInfo
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- CN210864201U CN210864201U CN201922254524.4U CN201922254524U CN210864201U CN 210864201 U CN210864201 U CN 210864201U CN 201922254524 U CN201922254524 U CN 201922254524U CN 210864201 U CN210864201 U CN 210864201U
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- optical fiber
- beam expanding
- clamp
- accommodating groove
- air inlet
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Abstract
The utility model relates to the technical field of optical fiber processing devices, and discloses a thermal expansion optical fiber beam expanding clamp and an optical fiber beam expanding device, wherein the thermal expansion optical fiber beam expanding clamp comprises an optical fiber fixing seat, a plurality of parallel and alternate optical fiber accommodating grooves are formed on the optical fiber fixing seat, and a plurality of vacuum adsorption holes are formed at the bottom of the optical fiber accommodating groove; one end of the optical fiber fixing seat extends outwards along the axial direction of the optical fiber accommodating groove to form a heat insulation platform, one end of the optical fiber accommodating groove extends to the other end of the optical fiber fixing seat, and the other end of the optical fiber accommodating groove extends to the heat insulation platform. The thermal expansion optical fiber beam expanding clamp is simple in structure and convenient to install, can meet the requirements of multi-core optical fibers on beam expanding and small-size beam expanding products, ensures good product consistency, realizes the clamping and fixing effect on the optical fibers by utilizing the vacuum adsorption holes, ensures that the optical fibers are not bent, and keeps the ellipticity of the optical fibers of the beam expanding part.
Description
Technical Field
The utility model relates to an optic fibre processingequipment technical field especially relates to a thermal energy optic fibre expands beam anchor clamps and optic fibre and expands beam device.
Background
Optical fibers are short for optical fibers, and are fibers made of glass or plastic that can be used as a light conducting means. Optical fibers can be classified into single mode fibers and multimode fibers according to the modulus of a transmission point, and the term "mode" refers to a beam of light entering an optical fiber at an angular velocity. The single-mode fiber adopts a solid laser as a light source, and the multi-mode fiber adopts a light emitting diode as a light source. Multimode optical fibers allow multiple beams of light to propagate simultaneously in the optical fiber, thereby forming mode dispersion (because each mode light enters the optical fiber at a different angle, and the time for each mode light to reach the other end point is different, and this characteristic is called mode dispersion.) mode dispersion technology limits the bandwidth and distance of the multimode optical fiber, so that the multimode optical fiber has a thick core wire, low transmission speed, short distance and poor overall transmission performance, but has low cost, and is generally used in environments in buildings or adjacent geographical positions. The single-mode fiber has a relatively thin fiber core, a wide transmission band, a large capacity and a long transmission distance, but the cost is high because the single-mode fiber needs a laser source.
The mode field diameter is used to characterize the distribution of fundamental mode light in the core region of a single mode fiber. The fundamental mode has a maximum intensity at the axis of the core region and gradually decreases with increasing distance from the axis. The magnitude of the mode field diameter is related to the wavelength used, with the mode field diameter increasing with increasing wavelength. In an optical fiber, light energy is not completely concentrated in the core and part of the energy is transmitted in the cladding, and the diameter of the core cannot reflect the energy distribution in the optical fiber. The concept of effective area is then presented, where the density across the cross-section of the fiber is high if the effective area is small, and excessive density can cause nonlinear effects. The larger the mode field diameter the better for the transmission fiber. In order to increase the mode field diameter, the optical fiber can be locally heated, and the expansion principle of the material is utilized to expand the beam. However, the existing optical fiber beam expanding clamp still adopts the separated upper and lower clamps to clamp the optical fiber, the clamping force is insufficient and unstable, and when the optical fiber is subjected to heating treatment, the coating layer of the optical fiber is easily burnt, so that the beam expanding effect is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a thermal energy optic fibre expands beam clamp and optic fibre beam expanding device for solve the problem that current thermal energy optic fibre expands beam clamp clamping-force is not enough, unstable, easily burn the coating.
The embodiment of the utility model provides a thermal expansion optical fiber beam expanding clamp, which comprises an optical fiber fixing seat, wherein a plurality of parallel and alternate optical fiber accommodating grooves are formed on the optical fiber fixing seat, and a plurality of vacuum adsorption holes are formed at the bottom of each optical fiber accommodating groove; one end of the optical fiber fixing seat extends outwards along the axial direction of the optical fiber accommodating groove to form a heat insulation platform, one end of the optical fiber accommodating groove extends to the other end of the optical fiber fixing seat, and the other end of the optical fiber accommodating groove extends to the heat insulation platform.
Wherein, the vacuum adsorption hole is a strip-shaped hole.
The vacuum adsorption holes are arranged at intervals along the axial direction of the optical fiber accommodating groove.
Wherein, the number of optic fibre storage tank is 3 ~ 5.
The optical fiber fixing seat is provided with an optical fiber accommodating groove, wherein the optical fiber fixing seat is also provided with mounting positioning holes at two sides of the optical fiber accommodating groove.
The optical fiber fixing seat is further provided with an air inlet hole, and the air inlet hole is communicated with the vacuum adsorption hole.
The embodiment of the utility model provides an optic fibre beam expanding device is still provided, including some firearm, air inlet mechanism and relative first optic fibre anchor clamps and the second optic fibre anchor clamps that set up, the exit end of some firearm is towards the region between first optic fibre anchor clamps and the second optic fibre anchor clamps, the export of air inlet mechanism is connected in the import of some firearm, the first import of air inlet mechanism is connected in the hydrogen cylinder, the second import of air inlet mechanism is connected in the oxygen cylinder; the first optical fiber clamp and the second optical fiber clamp are both the thermal expansion optical fiber expanded beam clamp.
A first air inlet valve and a first gas flowmeter are further arranged between the first inlet of the air inlet mechanism and the hydrogen cylinder; and a second air inlet valve and a second gas flowmeter are also arranged between the second inlet of the air inlet mechanism and the oxygen cylinder.
The embodiment of the utility model provides a thermal energy optic fibre expands beam anchor clamps and optic fibre beam expanding device, wherein the thermal energy optic fibre expands beam anchor clamps and includes the optic fibre fixing base, has seted up a plurality of parallel alternate optic fibre storage tanks on the optic fibre fixing base, utilizes a plurality of optic fibre storage tanks can many optic fibres of disposable holding, realizes that many optic fibres expand the beam simultaneously. A plurality of vacuum adsorption holes are formed in the bottom of the optical fiber accommodating groove, the optical fibers are fixed in the optical fiber accommodating groove by means of attraction of the vacuum adsorption holes, the optical fibers are stably fixed, and the optical fibers are not prone to displacement in the beam expanding process. One end of the optical fiber fixing seat extends outwards along the axial direction of the optical fiber accommodating groove to form a heat insulation platform, and the heat insulation platform is used for isolating the optical fiber coating layer from a heating source, so that the coating layer is prevented from being burnt out. The thermal expansion optical fiber beam expanding clamp is simple in structure and convenient to install, can meet the requirements of multi-core optical fibers on beam expanding and small-size beam expanding products, ensures good product consistency, realizes the clamping and fixing effect on the optical fibers by utilizing the vacuum adsorption holes, ensures that the optical fibers are not bent, and keeps the ellipticity of the optical fibers of the beam expanding part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a thermal expansion fiber beam expanding clamp according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an optical fiber beam expanding device according to an embodiment of the present invention;
description of reference numerals:
1: an optical fiber holder; 2: an optical fiber accommodating groove; 3: a vacuum adsorption hole;
4: a heat insulation stage; 5: installing a positioning hole;
10: a first fiber clamp; 20: a second fiber clamp; 30: an igniter;
40: a hydrogen gas cylinder; 50: an oxygen cylinder; 60: an optical fiber coating layer;
70: a core.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Fig. 1 is the embodiment of the utility model provides an in the structural schematic diagram of anchor clamps are expanded to thermal energy optic fibre, as shown in fig. 1, the embodiment of the utility model provides a pair of anchor clamps are expanded to thermal energy optic fibre, including optic fibre fixing base 1, set up a plurality of parallel alternate optic fibre storage tanks 2 on the optic fibre fixing base 1, a plurality of vacuum adsorption holes 3 have been seted up to optic fibre storage tank 2's bottom. The right end of the optical fiber fixing seat 1 extends outwards along the axial direction of the optical fiber accommodating groove 2 to form a heat insulation platform 4, the left end of the optical fiber accommodating groove 2 extends to the left end of the optical fiber fixing seat 1, and the right end of the optical fiber accommodating groove 2 extends to the heat insulation platform 4.
Specifically, the optical fiber fixing seat 1 may adopt a rectangular plate structure, a plurality of parallel and spaced optical fiber accommodating grooves 2 are formed at an axis of the optical fiber fixing seat 1, and an axis direction of the optical fiber accommodating grooves 2 is the same as a length direction of the optical fiber fixing seat 1. The optical fiber accommodating groove 2 can adopt an arc-shaped groove, and the diameter of the arc-shaped groove is equal to or larger than the diameter of the optical fiber to be expanded. A plurality of vacuum adsorption holes 3 are formed in the bottom of the optical fiber accommodating groove 2, and the optical fibers are simultaneously attracted by the vacuum adsorption holes 3, so that the optical fibers are adsorbed, clamped and fixed. Through using vacuum adsorption hole 3, can need not to use upper and lower modular fixture, directly utilize optic fibre fixing base 1 of lower part can guarantee to place the straightness accuracy and the stability of optic fibre, avoided loaded down with trivial details accommodation process, simple structure, it is convenient to maintain.
Extend one section boss as thermal-insulated platform 4 at the right-hand member of optic fibre fixing base 1, the width and the thickness of thermal-insulated platform 4 all can be less than the corresponding size of optic fibre fixing base 1, and the width of thermal-insulated platform 4 needs to be greater than the width that all optic fibre storage tanks 2 are in the same place simultaneously, and need guarantee the upper surface of thermal-insulated platform 4 and the upper surface parallel and level of optic fibre fixing base 1. The heat insulation table 4 can be integrally formed with the optical fiber fixing seat 1, and the heat insulation table 4 and the optical fiber fixing seat 1 can be connected or bonded through threads. The optical fiber accommodating groove 2 extends from the left end of the optical fiber fixing seat 1 to the right end of the heat insulation platform 4, and the vacuum adsorption hole 3 can be formed in the bottom of the optical fiber accommodating groove 2 in the optical fiber fixing seat 1 and can also be formed in the bottom of the optical fiber accommodating groove 2 in the heat insulation platform 4.
The utility model provides a pair of anchor clamps are expanded to thermal energy optic fibre, including the optic fibre fixing base, set up a plurality of parallel alternate optic fibre storage tanks on the optic fibre fixing base, utilize a plurality of optic fibre storage tanks can once only hold many optic fibres, realize that many optic fibres expand the beam simultaneously. A plurality of vacuum adsorption holes are formed in the bottom of the optical fiber accommodating groove, the optical fibers are fixed in the optical fiber accommodating groove by means of attraction of the vacuum adsorption holes, the optical fibers are stably fixed, and the optical fibers are not prone to displacement in the beam expanding process. One end of the optical fiber fixing seat extends outwards along the axial direction of the optical fiber accommodating groove to form a heat insulation platform, and the heat insulation platform is used for isolating the optical fiber coating layer from a heating source, so that the coating layer is prevented from being burnt out. The thermal expansion optical fiber beam expanding clamp is simple in structure and convenient to install, can meet the requirements of multi-core optical fibers on beam expanding and small-size beam expanding products, ensures good product consistency, realizes the clamping and fixing effect on the optical fibers by utilizing the vacuum adsorption holes, ensures that the optical fibers are not bent, and keeps the ellipticity of the optical fibers of the beam expanding part.
Further, as shown in fig. 1, the vacuum adsorption holes 3 are elongated holes. Compare in single absorption aperture, the absorption area with optic fibre has been maximized in the absorption hole of rectangular shape, and suction obtains promoting, and optic fibre is difficult for taking place the displacement at the in-process that the heating was expanded the beam, and the preparation is more stable.
Further, as shown in fig. 1, a plurality of vacuum suction holes 3 are provided at intervals in the axial direction of the optical fiber accommodating groove 2. Through the solid portion of tank bottom between two adjacent vacuum adsorption holes 3, can regard as the support position that optic fibre was placed, guarantee the straightness of optic fibre, avoid buckling towards vacuum adsorption hole 3.
Further, as shown in fig. 1, the number of the optical fiber accommodating grooves is 3 to 5. When the beam expanding optical fiber is manufactured, at least five optical fibers can be placed at one time and expanded, the beam expanding working efficiency is improved, the consistency of the beam expanding optical fiber is also improved, and the requirements of multi-core optical fiber beam expanding and small-size beam expanding products are met.
Further, as shown in fig. 1, the optical fiber fixing seat 1 is further provided with mounting positioning holes 5 at two sides of the optical fiber accommodating groove 2. The clamp can be fixed in the optical fiber beam expanding device through the installation positioning hole 5, and the accurate positioning of the optical fiber is realized.
Furthermore, the optical fiber fixing base 1 is further provided with an air inlet (not shown in the figure), and the air inlet is communicated with the vacuum absorption hole 3. The air inlet hole can be connected with an external vacuum pump to provide vacuum adsorption force for the vacuum adsorption hole 3.
As shown in fig. 2, the embodiment of the present invention further provides an optical fiber beam expanding device, which includes an igniter 30, an air inlet mechanism and a first optical fiber clamp 10 and a second optical fiber clamp 20 which are arranged oppositely, an outlet end of the igniter 30 faces to a region between the first optical fiber clamp 10 and the second optical fiber clamp 20, an outlet of the air inlet mechanism is connected to an inlet of the igniter 30, a first inlet of the air inlet mechanism is connected to the hydrogen cylinder 40, and a second inlet of the air inlet mechanism is connected to the oxygen cylinder 50. The first fiber clamp 10 and the second fiber clamp 20 are each a thermally expanded fiber beam expanding clamp as described above.
Specifically, the left and right optical fibers are placed in the fiber receiving groove 2 of the first fiber holder 10 and the fiber receiving groove 2 of the second fiber holder 20, respectively, the fiber coating layer 60 of the middle portion of the optical fiber is peeled off in advance to expose the fiber core 70, and the exit end of the igniter 30 faces the fiber core 70. The edge of the optical fiber coating layer 60 which is not stripped from the optical fiber is positioned in the heat insulation table 4, so that the optical fiber coating layer 60 which is not stripped is prevented from being burnt during heating, and the beam expanding effect and the subsequent packaging are prevented from being influenced.
Further, a first gas inlet valve and a first gas flow meter (both not shown) are disposed between the first inlet of the gas inlet mechanism and the hydrogen cylinder 40, and a second gas inlet valve and a second gas flow meter (both not shown) are disposed between the second inlet of the gas inlet mechanism and the oxygen cylinder 50. By adjusting the first and second intake valves, the amount of hydrogen and oxygen entering the igniter 30 can be adjusted, thereby adjusting the flame temperature.
Can see through above embodiment, the utility model provides a thermal energy optic fibre expands beam anchor clamps and optic fibre beam expanding device, wherein the thermal energy optic fibre expands beam anchor clamps and includes the optic fibre fixing base, has seted up a plurality of parallel alternate optic fibre storage tanks on the optic fibre fixing base, utilizes a plurality of optic fibre storage tanks can once only many optic fibres of holding, realizes that many optic fibres expand the beam simultaneously. A plurality of vacuum adsorption holes are formed in the bottom of the optical fiber accommodating groove, the optical fibers are fixed in the optical fiber accommodating groove by means of attraction of the vacuum adsorption holes, the optical fibers are stably fixed, and the optical fibers are not prone to displacement in the beam expanding process. One end of the optical fiber fixing seat extends outwards along the axial direction of the optical fiber accommodating groove to form a heat insulation platform, and the heat insulation platform is used for isolating the optical fiber coating layer from a heating source, so that the coating layer is prevented from being burnt out. The thermal expansion optical fiber beam expanding clamp is simple in structure and convenient to install, can meet the requirements of multi-core optical fibers on beam expanding and small-size beam expanding products, ensures good product consistency, realizes the clamping and fixing effect on the optical fibers by utilizing the vacuum adsorption holes, ensures that the optical fibers are not bent, and keeps the ellipticity of the optical fibers of the beam expanding part.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A thermal expansion optical fiber beam expanding clamp is characterized by comprising an optical fiber fixing seat, wherein a plurality of parallel and alternate optical fiber accommodating grooves are formed in the optical fiber fixing seat, and a plurality of vacuum adsorption holes are formed in the bottom of each optical fiber accommodating groove; one end of the optical fiber fixing seat extends outwards along the axial direction of the optical fiber accommodating groove to form a heat insulation platform, one end of the optical fiber accommodating groove extends to the other end of the optical fiber fixing seat, and the other end of the optical fiber accommodating groove extends to the heat insulation platform.
2. The thermally expansive fiber beam expanding clamp according to claim 1, wherein said vacuum suction holes are elongated holes.
3. The thermally expansive fiber expanded beam clamp of claim 1, wherein a plurality of said vacuum suction holes are provided at intervals along an axial direction of said fiber receiving groove.
4. The thermally expansive optical fiber beam expanding clamp according to claim 1, wherein the number of said optical fiber accommodating grooves is 3-5.
5. The thermally expansive optical fiber beam expanding clamp according to claim 1, wherein said optical fiber fixing base is further provided with mounting positioning holes at both sides of said optical fiber accommodating groove.
6. The thermally expansive optical fiber beam expanding clamp according to any one of claims 1 to 5, wherein said optical fiber fixing base is further provided with an air inlet hole, said air inlet hole being communicated with said vacuum absorption hole.
7. An optical fiber beam expanding device is characterized by comprising an igniter, an air inlet mechanism and a first optical fiber clamp and a second optical fiber clamp which are arranged oppositely, wherein the outlet end of the igniter faces to the area between the first optical fiber clamp and the second optical fiber clamp, the outlet of the air inlet mechanism is connected to the inlet of the igniter, the first inlet of the air inlet mechanism is connected to a hydrogen cylinder, and the second inlet of the air inlet mechanism is connected to an oxygen cylinder; the first fiber clamp and the second fiber clamp are each the thermally expansive fiber expanded beam clamp of any of claims 1-6.
8. The fiber optic beam expander of claim 7, wherein a first gas inlet valve and a first gas flow meter are further disposed between the first inlet of the gas inlet mechanism and the hydrogen cylinder; and a second air inlet valve and a second gas flowmeter are also arranged between the second inlet of the air inlet mechanism and the oxygen cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254524.4U CN210864201U (en) | 2019-12-16 | 2019-12-16 | Thermal expansion optical fiber beam expanding clamp and optical fiber beam expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254524.4U CN210864201U (en) | 2019-12-16 | 2019-12-16 | Thermal expansion optical fiber beam expanding clamp and optical fiber beam expanding device |
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| Publication Number | Publication Date |
|---|---|
| CN210864201U true CN210864201U (en) | 2020-06-26 |
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| CN201922254524.4U Active CN210864201U (en) | 2019-12-16 | 2019-12-16 | Thermal expansion optical fiber beam expanding clamp and optical fiber beam expanding device |
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