CN111122122B - Simulation working platform of photonic crystal fiber - Google Patents
Simulation working platform of photonic crystal fiber Download PDFInfo
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- CN111122122B CN111122122B CN202010041446.4A CN202010041446A CN111122122B CN 111122122 B CN111122122 B CN 111122122B CN 202010041446 A CN202010041446 A CN 202010041446A CN 111122122 B CN111122122 B CN 111122122B
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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Abstract
The invention provides a simulation working platform of a photonic crystal fiber, which comprises a simulation working platform, a base and a driving module, wherein the base is arranged on the simulation working platform; the base is used for storing the photonic crystal fiber, and one end of the photonic crystal fiber is led out of the upper surface of the base, so that the photonic crystal fiber is connected with the simulation workbench; the simulation workbench is used for driving the photonic crystal fiber connected with the simulation workbench to rotate, so that the photonic crystal fiber deforms; the movable end of the driving module is connected with the simulation workbench, so that the driving module drives the simulation workbench to move along the direction perpendicular to the upper surface of the base, the photonic crystal fiber is driven to deform through the simulation workbench, the stress state of the photonic crystal fiber is simulated, the real conduction efficiency is obtained, and the simulation workbench is reliable in structure and convenient to use.
Description
Technical Field
The invention belongs to the field of test equipment, and particularly relates to a simulation working platform of a photonic crystal fiber.
Background
One type of chalcogenide glass Photonic Crystal Fibers (Photonic Crystal Fibers) has a flat and near-zero dispersion value, so that the wavelength of a pulse seed light source is selected more widely, and the chalcogenide glass Photonic Crystal Fibers have immeasurable application prospects in the fields of optical coherence tomography, spectrum detection, nonlinear microscopes and the like; the chalcogenide glass photonic crystal fiber has a solid core region surrounded by air holes. By controlling the core size, pore size and periodicity, it can achieve significant flexibility in the decentralized design of PCFs,
however, the mode property can be greatly influenced by the arrangement mode of the air holes in the cladding region of the photonic crystal fiber, the photonic crystal fiber is often subjected to bending, twisting and stretching acting forces in the normal use process, so that the air holes in the cladding region are changed by the photonic crystal fiber, and the conduction efficiency is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a simulation working platform of a photonic crystal fiber.
The invention provides a simulation working platform of a photonic crystal fiber, which comprises a simulation working platform, a base and a driving module, wherein the base is arranged on the simulation working platform; wherein
The base is used for storing the photonic crystal fiber, and one end of the photonic crystal fiber is led out from the upper surface of the base, so that the photonic crystal fiber is connected with the simulation workbench;
the simulation workbench is used for driving the photonic crystal fiber connected with the simulation workbench to rotate, so that the photonic crystal fiber is deformed;
the movable end of the driving module is connected with the simulation workbench, so that the driving module drives the simulation workbench to move along the direction vertical to the upper surface of the base.
Preferably, the simulation workbench comprises a rotation test module, and a fixed seat and a transmission module are mounted on the base;
the photonic crystal fiber sequentially passes through the fixed seat and the transmission module and is connected with the rotating end of the rotation testing module;
the fixing seat is used for fixing the photonic crystal fiber; the transmission module is used for forming a turning point of the bent photonic crystal fiber and guiding the photonic crystal fiber to the rotating end of the rotation testing module; the photonic crystal fiber is fixed through the fixing seat, and the rotation testing module is driven to rotate, so that the photonic crystal fiber is twisted.
Preferably, the rotation test module comprises a rotating motor, a rotating arm and a joint connector for fixing one end of the photonic crystal fiber;
the rotating arm is driven to rotate by the rotating motor, and then the joint connector arranged at one end of the rotating arm is driven to rotate.
Preferably, a through hole for the photonic crystal fiber to pass through is formed in the transmission module, and the inner side wall of one end of the transmission module, which is close to the simulation workbench, is a slope surface which diffuses outwards;
the central axis of the through hole in the transmission module corresponds to the rotation center of the rotation test module, and the rotation test module drives the photonic crystal fiber to rotate, so that the photonic crystal fiber slides on the inner side wall.
Preferably, the simulation workbench further comprises a limiting module, the limiting module is arranged at a position corresponding to the transmission module, and when the rotation test module rotates, the limiting module rotates around the rotation center of the rotation test module;
the limiting module comprises a rotating wheel seat and a rotating wheel, and the rotating wheel is arranged on the rotating wheel seat; the rotating wheel is in contact with the slope surface of the inner side wall;
the rotating wheel is provided with a limiting groove, and a channel for the photonic crystal fiber to pass through is formed by the limiting groove and the slope surface of the inner side wall.
Preferably, the transmission module further comprises an elastic channel, and the elastic channel is elastically connected with the transmission module;
the limiting module further comprises a connecting rod, and the connecting rod is elastically connected with the runner seat;
through the elastic channel and the elastic connection of the transmission module and the elastic connection of the connecting rod and the rotating wheel seat, when the driving module drives the simulation workbench to move, the rotating wheel keeps contact with the slope surface of the inner side wall.
Preferably, the simulation workbench further comprises a support table and a guide plate, and the support table and the guide plate are spliced to form a fixed structure of the simulation workbench;
the rotary motor is installed on the supporting table, a guide groove for limiting the rotation position of the joint connector is formed in the guide plate, and the joint connector penetrates through the guide groove.
Preferably, a bearing seat is installed on the guide plate corresponding to the rotation center of the rotation test module;
the connecting rod passes through the bearing seat and is connected with the rotation test module.
Preferably, the driving module comprises a linear driver and a driving block, the driving block is mounted on the movable end of the linear driver, and the driving block is connected with the simulation workbench;
the driving module further comprises a position sensor, and the moving distance of the driving block is detected through the position sensor.
Preferably, the simulation workbench further comprises a guide piece, the installation direction of the guide piece is consistent with the driving direction of the driving module, and the direction of the driving module driving the simulation workbench is guided by the guide piece.
Compared with the prior art, the invention has the beneficial effects that:
according to the simulation working platform for the photonic crystal fiber, the photonic crystal fiber is deformed through the simulation working platform, the base and the driving module, so that the stress state of the photonic crystal fiber in the practical use process is simulated through the deformation of the photonic crystal fiber, and real detection data are obtained.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of one embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of FIG. 2;
FIG. 4 is a schematic diagram of a portion of one embodiment of the present invention;
FIG. 5 is an enlarged partial schematic view of FIG. 4;
FIG. 6 is a front view of a portion of the structure of an embodiment of the present invention;
FIG. 7 is an enlarged partial schematic view of FIG. 6;
FIG. 8 is an exploded view of a simulation workstation in accordance with an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a spacing module and a transmission module according to an embodiment of the present invention;
fig. 10 is a schematic perspective view of a driving module according to an embodiment of the invention.
Shown in the figure:
1. a simulation workbench; 11. a support table; 12. rotating the test module; 121. a rotating electric machine; 122. a rotating arm; 123. a joint connector; 13. a guide plate; 131. a guide groove; 132. a bearing seat; 14. a limiting module; 141. a runner seat; 142. a rotating wheel; 1421. a limiting groove; 143. a connecting rod; 2. a base; 21. a support; 22. a reel; 23. a fixed seat; 231. a fixed block; 232. a clamping cylinder; 24. a transmission module; 241. an inner sidewall; 242. an elastic channel; 31. a driving module; 311. a linear actuator; 312. a drive block; 313. a position sensor; 32. a guide member; 5. a fixing frame.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, "depth" corresponds to the dimension from front to back, "closed" indicates that the vehicle is easy to pass but not accessible to the operator, and "annular" corresponds to the circular shape. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1-3, a simulation platform for photonic crystal fiber comprises a simulation platform 1, a base 2, and a driving module 31, wherein the base 2 is used for storing the photonic crystal fiber, and one end of the photonic crystal fiber is led out from the upper surface of the base 2, so that the photonic crystal fiber is connected with the simulation platform 1; the simulation workbench 1 is used for driving the photonic crystal fiber connected with the simulation workbench to rotate, so that the photonic crystal fiber is deformed; the movable end of the driving module 31 is connected to the simulation workbench 1, so that the driving module 31 drives the simulation workbench 1 to move in a direction perpendicular to the upper surface of the base 2.
This work platform includes mount 5, and drive module 31 fixed mounting is on mount 5 for simulation workstation 1 removes for mount 5, and base 2 fixes on the base plate, makes simulation workstation 1 remove for base 2, thereby conveniently adjusts the distance between simulation workstation 1 and the base 2.
The driving module 31 drives the simulation workbench 1 to move so as to adjust the distance between the simulation workbench 1 and the base 2, and the bending angle of the photonic crystal fiber and the stretching condition of the photonic crystal fiber are conveniently adjusted; and simulation workstation 1 orders about photonic crystal fiber and rotates simultaneously for photonic crystal fiber produces and twists reverse, and through reasonable regulation, this work platform makes things convenient for simultaneously to exert a plurality of effort to photonic crystal fiber, makes photonic crystal fiber produce simultaneously and buckles, twists reverse, tensile, makes photonic crystal fiber more accord with the state in the actual use, conveniently detects real conduction data.
The simulation workbench 1 comprises a rotation test module 12, and a fixed seat 23 and a transmission module 24 are arranged on the base 2; the photonic crystal fiber sequentially passes through the fixed seat 23 and the transmission module 24 and is connected with the rotating end of the rotation testing module 12; the fixed seat 23 and the transmission module 24 are arranged at corresponding positions, so that the photonic crystal fiber between the fixed seat 23 and the transmission module 24 is kept vertical,
as shown in fig. 5, the fixing base 23 is used for fixing the photonic crystal fiber; the transmission module 24 is used for forming a turning point of the bent photonic crystal fiber and guiding the photonic crystal fiber to the rotating end of the rotation testing module 12, the rotating end of the rotation testing module 12 is arranged at a position far away from the transmission module 24, when the photonic crystal fiber is connected with the rotating end of the rotation testing module 12, the photonic crystal fiber at the position of the transmission module 24 is bent, so that the bending state of the photonic crystal fiber in the using process is simulated, the simulation workbench 1 is driven by the driving module 31, and the bending angle of the photonic crystal fiber is convenient to adjust; in the testing process, it is fixed with photonic crystal fiber through fixing base 23, and order about and rotate test module 12 and rotate, because photonic crystal fiber's one end receives fixing base 23 fixed, when photonic crystal fiber rotates around rotating test module 12 central line, make one section photonic crystal fiber fixed between fixing base 23 and rotation test module 12 take place to twist reverse, through buckling, twist reverse the atress and simulate photonic crystal fiber user state, photonic crystal fiber's both ends and test equipment are connected and are formed transmission path, thereby make the conduction efficiency that photonic crystal fiber detected out more be close to reality use, the data that obtain have more the authenticity.
As shown in fig. 8, in a preferred embodiment, the rotation testing module 12 includes a rotation motor 121, a rotation arm 122, and a joint connector 123; the rotating motor 121 drives the rotating arm 122 to rotate, and further drives the joint connector 123 installed at one end of the rotating arm 122 to rotate;
as shown in fig. 6 and 7, the joint connector 123 is used for fixing the joint at one end of the photonic crystal fiber, so that the photonic crystal fiber is connected with the test equipment, the photonic crystal fiber is fixed through the joint connector 123 and is simultaneously connected with the test equipment, the connection stability is improved, the connection end of the photonic crystal fiber and the test equipment is ensured to be stable in the rotation process, the looseness is avoided, the conduction efficiency is reduced, and the detection authenticity is influenced.
Further, the base 2 comprises a bracket 21, and the base 2 is connected into a whole through the bracket 21;
install the reel 22 that has deposited photonic crystal fiber on support 21, photonic crystal fiber winding is on reel 22, reel 22 sets up in the below that corresponds fixing base 23, because photonic crystal fiber's length is longer, and in the testing process, the length that needs the photonic crystal fiber section is shorter, make the photonic crystal fiber of big section deposit in base 2, and photonic crystal fiber is more fragile, break easily after buckling certain angle, in order to avoid the fracture of buckling behind the photonic crystal fiber pressurized, twine photonic crystal fiber at reel 22.
One connector of the stored photonic crystal fiber on the reel 22 is connected with the test equipment, and the other connector is connected with the rotation test module 12 sequentially through the fixing seat 23 and the transmission module 24, so that the photonic crystal fiber is connected with the test equipment to form a transmission passage, and the test is convenient.
Furthermore, a through hole for the photonic crystal fiber to pass through is formed in the transmission module 24, and an inner side wall 241 of the transmission module 24 close to one end of the simulation workbench 1 is a slope surface which diffuses outwards; for the same reason, the photonic crystal fiber is fragile, and the photonic crystal fiber is easy to break if the bending angle is too large, so that transition is performed in the bending process of the photonic crystal by arranging the slope surface of the outer diffusion to avoid the breakage, the bending area is increased, the risk of breakage is reduced, and the detection of the photonic crystal is more stable;
as shown in fig. 3 and 9, the inner sidewall 241 is a smooth ring, the central axis of the through hole in the transmission module 24 corresponds to the rotation center of the rotation test module 12, and the photonic crystal fiber is driven to rotate by rotating the rotation test module 12, so that the photonic crystal fiber slides on the inner sidewall 241.
In a preferred embodiment, the inner sidewall 241 is in a horn shape, which facilitates the sliding of the photonic crystal fiber on the inner sidewall 241;
meanwhile, the simulation workbench 1 further comprises a limiting module 14, the limiting module 14 is arranged at a position corresponding to the transmission module 24, and when the rotation testing module 12 rotates, the limiting module 14 rotates around the rotation center of the rotation testing module 12; the limiting module 14 includes a wheel seat 141 and a wheel 142, and the wheel 142 is mounted on the wheel seat 141; the rotating wheel 142 is in contact with the slope of the inner side wall 241; the turning wheel 142 is provided with a limiting groove 1421, a channel for passing the photonic crystal fiber is formed by the limiting groove 1421 and the slope of the inner side wall 241, when the rotation test module 12 rotates, the channel formed by the limiting groove 1421 and the inner side wall 241 slides along with the photonic crystal fiber, so that the photonic crystal fiber is ensured to be in the channel formed by the limiting groove 1421 and the inner side wall 241 to limit the position of the photonic crystal fiber,
because the inner side wall 241 is in the shape of a horn, the inner side wall 241 of the horn is convenient to contact with the rotating wheel 142, and the inner side wall 241 is in tangential connection with the rotating wheel 142, so that the photonic crystal fiber is limited in a channel formed by the limiting groove 1421 and the inner side wall 241.
Further, the transmission module 24 further includes an elastic channel 242, and the elastic channel 242 is elastically connected with the transmission module 24;
the limit module 14 further includes a connecting rod 143, and the connecting rod 143 is elastically connected to the wheel seat 141;
through elastic connection between the elastic channel 242 and the transmission module 24 and elastic connection between the connecting rod 143 and the pulley seat 141, when the driving module 31 drives the simulation workbench 1 to move, the pulley 142 keeps contact with the slope of the inner side wall 241, so that the sealing of the channel formed by the limiting groove 1421 and the inner side wall 241 is ensured, and the position of the photonic crystal fiber is limited.
In a preferred embodiment, as shown in fig. 9, the elastic connecting members are springs, and by pressing the springs in the position-limiting module 14 and the transmission module 24, when the driving module 31 drives the simulation workbench 1 to move, the springs in one side of the position-limiting module 14 and the transmission module 24 rebound, and the other side presses, so that the rotating wheel 142 keeps contact with the slope of the inner side wall 241.
Furthermore, the simulation workbench 1 further comprises a support table 11 and a guide plate 13, and the support table 11 and the guide plate 13 are spliced to form a fixed structure of the simulation workbench 1; the rotary motor 121 is mounted on the support base 11, the guide plate 13 is provided with a guide groove 131 for limiting the rotation position of the joint connector 123, and the joint connector 123 passes through the guide groove 131.
In a preferred embodiment, the guide groove 131 is an arc-shaped through groove, so that the rotary motor 121 drives the joint connector 123 to reciprocate in the guide groove 131, thereby preventing the photonic crystal fiber from being wound in the rotating process and preventing the photonic crystal fiber from being broken.
As shown in fig. 8, a circular hole is formed in the position of the guide plate 13 corresponding to the rotation center of the rotation test module 12, i.e., the position of the center of the guide slot 131, a bearing seat 132 is fixedly installed in the circular hole, and the connecting rod 143 passes through the bearing seat 132 and is connected to the rotation center of the rotating arm 122; the rotation of the limiting module 14 is facilitated.
As shown in fig. 6 and 7, the rotation testing module 12 further includes an adjuster, the adjuster is mounted on the rotating arm 122, and adjusts the position of the joint connector 123 to adjust the tightness of the photonic crystal fiber between the rotation testing module 12 and the fixing seat 23
As shown in fig. 4 and 5, in a preferred embodiment, the fixing seat 23 includes a fixing block 231, a clamping cylinder 232; the photonic crystal fiber is pushed by the clamping cylinder 232 and clamped with the fixing block 231, so that the photonic crystal fiber is fixed; wherein, the clamping end of clamping cylinder 232, fixed block 231 is made by rubber materials, conveniently presss from both sides tight photonic crystal fiber, avoids simultaneously because the clamp force makes the gas pocket in the photonic crystal fiber change to influence the testing result.
Further, the driving module 31 includes a linear driver 311, a driving block 312, the driving block 312 is installed on the movable end of the linear driver 311, the driving block 312 is connected with the simulation workbench 1; the driving block 312 is conveniently suspended at a plurality of positions through the linear driver 311, so that different bending angles and tensile forces of the photonic crystal fiber are conveniently provided, and various measuring conditions are met.
As shown in fig. 10, the driving module 31 further includes a position sensor 313, the moving distance of the driving block 312 is detected by the position sensor 313, in a preferred embodiment, the position sensor 313 includes a photoelectric sensor, wherein a sensing piece is mounted on the driving block 312, a sensing end of the photoelectric sensor is mounted on a fixed end, and the sensing piece is moved by the driving block 312, such that the sensing piece passes through the sensing end, thereby detecting the position of the simulation workbench 1.
The working platform also comprises a guide piece 32, the installation direction of the guide piece 32 is consistent with the driving direction of the driving module 31, the driving module 31 is guided by the guide piece 32 to drive the direction of the simulation working platform 1, and the guide piece 32 is installed on the fixed frame 5; the two corresponding side surfaces of the simulation workbench 1 are respectively provided with a driving module 31, the two driving modules 31 drive the simulation workbench 1 to move simultaneously, the position close to the driving module 31 is provided with a guide piece 32, the gravity on the driving module 31 is reduced through the guide piece 32, and therefore the service life of the driving module 31 is prolonged.
A method for simulating the stress of a photonic crystal fiber by using the test platform comprises the following steps:
s1, fixing one end of the sample on the rotating arm 122, and winding part of the sample on the reel 22;
s2, fixing the middle end of the sample by the fixing seat 23, driving the rotating arm 122 to lift by 1 degree by the driving module 31, and swinging the rotating arm 122 back and forth 10 times after the driving module 31 lifts;
s3, the fixed seat 23 is separated from the contact with the sample, and the driving module 31 drives the rotating arm 122 to move upwards by 20 degrees;
s4, the fixed seat 23 fixes the sample again, the driving module 31 drives the rotating arm 122 to lift 1, and the rotating arm 122 swings 10 times in a reciprocating manner;
s5, repeating the steps S3 and S4;
s6, the test is finished, and the sample is taken down.
In step S1, the sample is bent by 90 °, and the sample is bent by 90 ° at the initial position, and at this time, the position of the joint connector 123 and the position of the transmission module 24 are on the same horizontal plane, so that the photonic crystal fiber sample is bent by 90 °; the driving module 31 drives the rotating arm 122 to move vertically and upwards successively, because the joint connector 123 of the rotating arm 122 is fixedly connected with the photonic crystal fiber sample, because a large section of the photonic crystal fiber is wound on the reel 22, if the driving module 31 drives the rotating arm 122 to move downwards, part of the photonic crystal fiber is accumulated at a position between the fixed seat 23 and the joint connector 123, and further, no pulling force exists on the photonic crystal fiber; furthermore, the photonic crystal fiber is bent by pressure and is easily broken, so that the pattern is damaged, and therefore, the driving module 31 drives the rotating arm 122 to move vertically and upwards successively, so that the pattern is continuously pulled out from the reel 22, and the subsequent detection is ensured to be performed normally.
This simulation photonic crystal fiber stress method rotates photonic crystal fiber through swinging boom 122, make photonic crystal fiber produce deformation, thereby utilize the stress state in the realistic use of the deformation simulation photonic crystal fiber of photonic crystal fiber, adjust swinging boom 122 position by drive module 31 again, and then adjust photonic crystal fiber's deformation degree, make things convenient for follow-up detection to obtain the conduction efficiency of photonic crystal fiber under the different stress state, accord with the realistic use more, this simulation photonic crystal fiber stress method easy operation, high durability and convenient use.
The simulation working platform is mainly used for testing the photonic crystal fiber, the photonic crystal fiber is communicated with the detection device through the external detection device by simulating the use stress state of the photonic crystal fiber in reality, the photonic crystal fiber is detected through the detection device, the simulation working platform further comprises a controller which is respectively electrically connected with the driving module 31, the rotating motor 121 and the clamping cylinder 232, the controller sends out a control instruction to control the driving module 31, the rotating motor 121 and the clamping cylinder 232 to work, so that the driving module 31 drives the simulation working platform 1 to move linearly, the rotating motor 121 drives the rotating arm 122 to rotate, the clamping cylinder 232 clamps and fixes the photonic crystal fiber, the driving module 31, the rotating motor 121 and the clamping cylinder 232 exert force on the photonic crystal fiber, and the photonic crystal fiber is deformed, in the process of testing the photonic crystal fiber by the detection device, the position sensor 313 detects the position of the driving module 31, and after the driving module 31 moves to a fixed position, the position sensor 313 controls the driving module 31 to pause; after the test is completed, the controller sends a command to the position sensor 313 to make the driving module 31 move continuously.
The invention provides a simulation working platform of a photonic crystal fiber, which is characterized in that the photonic crystal fiber is deformed through a simulation working platform, a base and a driving module, so that the stress state of the photonic crystal fiber in the actual use process is simulated by utilizing the deformation of the photonic crystal fiber, and real detection data is obtained; by arranging the slope surface of the external diffusion, transition is carried out in the bending process of the photonic crystal, the bending area is increased, the risk of fracture is reduced, and the detection of the photonic crystal is more stable; the elastic connecting pieces are arranged in the limiting module and the transmission module, so that the rotating wheel is in contact with the slope surface of the inner side wall in the moving process of the simulation working platform; the joint connector is driven to reciprocate in the guide groove by the rotary motor, so that the photonic crystal fiber is prevented from being wound in the rotating process; the fixed photonic crystal fiber is fixed and connected with the test equipment through the joint connector, so that the connection stability is improved, the stability of the connection end of the photonic crystal fiber and the test equipment in the rotating process is ensured, the looseness is avoided, and the conduction efficiency is reduced.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. A simulation working platform of photonic crystal fiber is characterized in that: comprises a simulation workbench (1), a base (2) and a driving module (31); wherein
The base (2) is used for storing the photonic crystal fiber, and one end of the photonic crystal fiber is led out of the upper surface of the base (2) so that the photonic crystal fiber is connected with the simulation workbench (1);
the simulation workbench (1) is used for driving the photonic crystal fiber connected with the simulation workbench to rotate, so that the photonic crystal fiber is deformed;
the movable end of the driving module (31) is connected with the simulation workbench (1), so that the driving module (31) drives the simulation workbench (1) to move along the direction vertical to the upper surface of the base (2);
the simulation workbench (1) comprises a rotation test module (12), and a fixed seat (23) and a transmission module (24) are arranged on the base (2);
the photonic crystal fiber sequentially passes through the fixed seat (23) and the transmission module (24) and is connected with the rotating end of the rotation testing module (12);
the fixing seat (23) is used for fixing the photonic crystal fiber; the transmission module (24) is used for forming a turning point of the bent photonic crystal fiber and guiding the photonic crystal fiber to the rotating end of the rotation testing module (12); the photonic crystal fiber is fixed through the fixing seat (23), and the rotation testing module (12) is driven to rotate, so that the photonic crystal fiber is twisted;
a through hole for the photonic crystal fiber to pass through is formed in the transmission module (24), and the inner side wall (241) of the transmission module (24) close to one end of the simulation workbench (1) is a slope surface which diffuses outwards;
the central axis of the through hole in the transmission module (24) corresponds to the rotation center of the rotation test module (12), and the photonic crystal fiber is driven to rotate through the rotation test module (12), so that the photonic crystal fiber slides on the inner side wall (241).
2. A simulation platform of a photonic crystal fiber as claimed in claim 1, wherein: the rotation testing module (12) comprises a rotating motor (121), a rotating arm (122) and a joint connector (123) for fixing one end of the photonic crystal fiber;
the rotating arm (122) is driven to rotate by the rotating motor (121), and then the joint connector (123) installed at one end of the rotating arm (122) is driven to rotate.
3. A simulation platform for a photonic crystal fiber as in claim 2, wherein: the simulation workbench (1) further comprises a limiting module (14), the limiting module (14) is arranged at a position corresponding to the transmission module (24), and when the rotation test module (12) rotates, the limiting module (14) rotates around the rotation center of the rotation test module (12);
the limiting module (14) comprises a rotating wheel seat (141) and a rotating wheel (142), and the rotating wheel (142) is arranged on the rotating wheel seat (141); the rotating wheel (142) is in contact with the slope surface of the inner side wall (241);
the rotating wheel (142) is provided with a limiting groove (1421), and a channel for the photonic crystal fiber to pass through is formed by the limiting groove (1421) and the slope of the inner side wall (241).
4. A simulation platform of a photonic crystal fiber as in claim 3, wherein: the transmission module (24) further comprises an elastic channel (242), and the elastic channel (242) is elastically connected with the transmission module (24);
the limiting module (14) further comprises a connecting rod (143), and the connecting rod (143) is elastically connected with the runner seat (141);
through the elastic connection between the elastic channel (242) and the transmission module (24) and the elastic connection between the connecting rod (143) and the rotating wheel seat (141), when the driving module (31) drives the simulation workbench (1) to move, the rotating wheel (142) keeps contact with the slope surface of the inner side wall (241).
5. A simulation platform for a photonic crystal fiber according to claim 4, wherein: the simulation workbench (1) further comprises a support table (11) and a guide plate (13), and the support table (11) and the guide plate (13) are spliced to form a fixed structure of the simulation workbench (1);
the rotary motor (121) is mounted on the support table (11), a guide groove (131) for limiting the rotation position of the joint connector (123) is formed in the guide plate (13), and the joint connector (123) penetrates through the guide groove (131).
6. A simulation platform for a photonic crystal fiber according to claim 5, wherein: a bearing seat (132) is arranged on the guide plate (13) corresponding to the rotating center of the rotation testing module (12);
the connecting rod (143) penetrates through the bearing seat (132) to be connected with the rotation testing module (12).
7. A simulation platform of a photonic crystal fiber as claimed in claim 1, wherein: the driving module (31) comprises a linear driver (311) and a driving block (312), the driving block (312) is installed on the movable end of the linear driver (311), and the driving block (312) is connected with the simulation workbench (1);
the driving module (31) further comprises a position sensor (313), and the moving distance of the driving block (312) is detected through the position sensor (313).
8. A simulation platform of a photonic crystal fiber as claimed in claim 1, wherein: the simulation workbench is characterized by further comprising a guide piece (32), wherein the installation direction of the guide piece (32) is consistent with the driving direction of the driving module (31), and the driving module (31) is driven to move in the direction of the simulation workbench (1) through the guide piece (32).
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| CN113865831B (en) * | 2021-10-15 | 2024-01-16 | 南京拓恒无人系统研究院有限公司 | Optical fiber torsion performance detection equipment and detection method thereof |
| CN114813041B (en) * | 2022-04-01 | 2023-07-04 | 江苏经贸职业技术学院 | Optical fiber detection equipment for network security |
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