CN117969043A - Detection device for polarization axis of polarization maintaining optical fiber - Google Patents
Detection device for polarization axis of polarization maintaining optical fiber Download PDFInfo
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- CN117969043A CN117969043A CN202410362157.2A CN202410362157A CN117969043A CN 117969043 A CN117969043 A CN 117969043A CN 202410362157 A CN202410362157 A CN 202410362157A CN 117969043 A CN117969043 A CN 117969043A
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- optical fiber
- frame body
- polarization
- polarization axis
- touch
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 67
- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 230000010287 polarization Effects 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 15
- 244000208734 Pisonia aculeata Species 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
-
- G—PHYSICS
- 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
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
-
- G—PHYSICS
- 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
- G01M11/02—Testing optical properties
- G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
- G01M11/0257—Testing optical properties by measuring geometrical properties or aberrations by analyzing the image formed by the object to be tested
-
- G—PHYSICS
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention relates to the technical field of detection devices, and provides a detection device for a polarization axis of a polarization maintaining fiber, which comprises a frame body, wherein the frame body can be formed by welding steel, one end of the frame body is provided with an unreeling mechanism, the other end of the frame body is provided with a reeling mechanism, the frame body is provided with a detection mechanism through a travelling mechanism, and the frame body is also provided with a pressing pre-tensioning mechanism. The beneficial effects of the invention are as follows: the detection mechanism is used for detecting the position of the polarization axis of the optical fiber, the pressing pre-stretching mechanism is used for firstly pressing two ends of a section of optical fiber to be detected to form pre-fixing, and the optical fiber can be slightly stretched to two sides, so that the accuracy of a detection result can be improved.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a detection device for a polarization axis of a polarization maintaining optical fiber.
Background
The polarization maintaining fiber coupler is one of the most important components in the field of optical fiber sensing, is widely applied to optical fiber sensing and optical fiber communication, and needs to carry out spot check on the polarization axis of the polarization maintaining fiber after production is completed, so that the problem can be corrected in time.
The detection device in the prior art generally comprises a detection table, a detection instrument is arranged on the detection table, and the optical fiber passes through the detection instrument and then is detected to form a detection result.
Disclosure of Invention
The invention provides a detection device for a polarization axis of a polarization maintaining optical fiber, which is characterized in that the polarization maintaining optical fiber is fixed and then stretched slightly before detection, so that a soft state is removed, and the detection result can be more accurate.
For this purpose, the invention adopts the following technical scheme: the utility model provides a detection device of polarization maintaining optical fiber polarization axis, includes the support body, sets up unreeling mechanism and the winding mechanism of setting at the support body other end in support body one end, the support body on be provided with detection mechanism through running gear, still be equipped with pressfitting pretension mechanism on the support body.
By adopting the technical scheme: the unreeling mechanism is used for unreeling coiled optical fibers, the reeling mechanism is used for reeling and unreeling detected optical fibers, the detecting mechanism is used for detecting the position of a polarization axis of the optical fibers, the pressing pre-tensioning mechanism is used for firstly pressing two ends of a section of optical fibers to be detected to form pre-fixing, and the optical fibers can be slightly stretched to two sides, so that the accuracy of detection results can be improved.
Optionally, unreeling mechanism includes the support piece that sets up in support body both sides, U-shaped groove has been seted up to the top of support piece, U-shaped inslot rotation connection unreels the spindle nose of reel.
By adopting the technical scheme: the support is used for supporting a paying-off drum, and the paying-off drum can roll in the U-shaped groove so as to release the optical fiber wound on the paying-off drum.
Optionally, the winding mechanism includes the support column of setting in support body both sides, offer the U-shaped groove on the support column, U-shaped inslot rotation is even to receive the spindle nose of reel, is equipped with on the support column of one side and is used for driving winding section of thick bamboo pivoted actuating mechanism.
By adopting the technical scheme: the winding drum can rotate on the support column under the drive of the driving mechanism, and the detected optical fibers can be wound and unwound.
Optionally, running gear is including setting up the servo motor in support body one end, rotate in the support body and be connected with the lead screw, lead screw threaded connection has the walking piece, the upper end of walking piece is connected with the erection column, detection mechanism installs on the erection column, be equipped with the T-slot in the support body, walking piece slidable mounting is inside the T-slot, detection mechanism includes the CMOS camera at least, the CMOS camera is installed on the erection column.
By adopting the technical scheme: the servo motor can rotate positively and negatively, so that the mounting column can be driven to reciprocate along the frame body, the CMOS camera is used for shooting and detecting the optical fiber, and a detection result is obtained after the optical fiber is processed by the subsequent processing system.
Optionally, the pressfitting prestretches mechanism and is including setting up the stand on the support body, the stand top is equipped with the mounting panel, install on the mounting panel and carry and draw the power spare, it is connected with the gangbar to carry and draw the power spare, the both ends of gangbar are equipped with pressfitting stretching assembly, the both ends of support body are equipped with pressfitting stretching assembly complex locating component.
By adopting the technical scheme: the lifting power piece can drive the linkage rod to move up and down, the pressing stretching assembly is used for fixing the optical fiber line and then slightly stretching the optical fiber line, and the fixing and stretching processes are completed by matching the pressing stretching assembly and the positioning assembly.
Optionally, the locating component is including setting up the reference column in support body both sides, the top of reference column is equipped with down anchor clamps through elasticity pullback piece slip, be equipped with the wiring groove in the anchor clamps down, one side that lower anchor clamps are close to the support body tip is equipped with the driven piece.
By adopting the technical scheme: the lower clamp can move relative to the positioning column, a moving space is provided for stretching the optical fiber, the optical fiber is arranged inside the wiring groove, and the driven block is used for being matched with the pressing stretching assembly to form a moving power source.
Optionally, the tensile subassembly of pressfitting includes that one end is connected the gas spring on the gangbar, the lower part of gas spring is equipped with the anchor clamps through elasticity pullback piece slip, is equipped with the wiring groove in the anchor clamps, the one side that the support body tip was kept away from to the anchor clamps is equipped with the driven piece, still includes the subassembly of touching that sets up on the gangbar.
By adopting the technical scheme: at the beginning of the action, the linkage rod moves downwards to drive the gas spring to move downwards, so that the upper clamp and the lower clamp are contacted and fixed with the optical fiber, the gas spring has elasticity, the upper clamp can shrink after contacting the lower clamp, the linkage rod continues to move downwards at the moment, the upper clamp and the lower clamp at two sides of the frame body can move back to back through the touch assembly, the optical fiber can be stretched to a certain extent, and the running mechanism drives the detection mechanism to move to detect the optical fiber at the moment, so that the accuracy of a detection result can be improved.
Optionally, the touch assembly comprises two touch rods connected with the linkage rod, the touch rods are respectively arranged at two sides of the gas spring, a touch inclined plane is arranged at the lower end of the touch rod, and a driven inclined plane matched with the touch inclined plane is arranged on the driven block.
By adopting the technical scheme: after the upper clamp contacts the lower clamp, the linkage rod can continuously move downwards for a certain distance under the drive of the lifting power piece, at the moment, the touch inclined plane at the lower end of the touch rod contacts the driven inclined plane on the driven block, and the driven block is forced to drive the upper clamp and the lower clamp to move towards the end part of the frame body, so that the optical fiber is slightly stretched.
Optionally, the top of reference column is equipped with wedge spout, the lower part of lower anchor clamps is equipped with smooth stupefied, smooth stupefied arranging in inside the wedge spout, have the cavity in the anchor clamps down, elasticity pullback piece is including setting up the fixed plate on reference column top, be equipped with the extension spring between fixed plate and the lower anchor clamps, fixed plate and extension spring all set up inside the cavity of anchor clamps down.
By adopting the technical scheme: the lower clamp can slide relative to the positioning column, so that the lower clamp can move under the drive of the driven block, after one section of optical fiber is tested, the running mechanism drives the detection mechanism to return to wait for the detection of the next section of optical fiber, and the lifting power piece drives the upper clamp to move upwards, so that the touch rod is separated from the driven block, and the lower clamp returns under the action of the tension spring.
Optionally, the bottom of gas spring is equipped with wedge spout, the upper portion of going up the anchor clamps is equipped with smooth stupefied, smooth stupefied arranging in inside the wedge spout, it has the cavity to go up the anchor clamps, elasticity pullback piece is including setting up the fixed plate at the gas spring lower extreme, be equipped with the extension spring between fixed plate and the last anchor clamps, fixed plate and extension spring all set up inside the cavity of last anchor clamps.
By adopting the technical scheme: the upper clamp can slide relative to the gas spring, so that the upper clamp can move under the drive of the driven block, after one section of optical fiber is tested, the running mechanism drives the detection mechanism to return to wait for the detection of the next section of optical fiber, and the lifting power piece drives the upper clamp to move upwards, so that the touch rod is separated from the driven block, and the upper clamp returns under the action of the tension spring.
The working principle and the beneficial effects of the invention are as follows:
1. The detection mechanism is used for detecting the position of the polarization axis of the optical fiber, the pressing pre-stretching mechanism is used for firstly pressing two ends of a section of optical fiber to be detected to form pre-fixing, and the optical fiber can be slightly stretched to two sides, so that the accuracy of a detection result can be improved.
2. At the beginning of the action, the linkage rod moves downwards to drive the gas spring to move downwards, so that the upper clamp and the lower clamp are contacted and fixed with the optical fiber, the gas spring has elasticity, the upper clamp can shrink after contacting the lower clamp, the linkage rod continues to move downwards at the moment, the upper clamp and the lower clamp at two sides of the frame body can move back to back through the touch assembly, the optical fiber can be stretched to a certain extent, and the running mechanism drives the detection mechanism to move to detect the optical fiber at the moment, so that the accuracy of a detection result can be improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic overall side view of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the internal structures of the upper and lower jigs according to the embodiment of the present invention.
In the figure: 100. a frame body; 200. an unreeling mechanism; 210. a support; 220. a U-shaped groove; 230. releasing the winding drum; 300. a winding mechanism; 310. a support column; 320. winding up a winding drum; 400. a walking mechanism; 410. a servo motor; 420. a screw rod; 430. a walking block; 440. a mounting column; 500. a detection mechanism; 600. a pressing pre-stretching mechanism; 610. a column; 620. a mounting plate; 630. lifting the power piece; 640. a linkage rod; 641. a gas spring; 650. positioning columns; 651. wedge-shaped sliding grooves; 660. an elastic pull-back member; 661. a fixing plate; 670. a lower clamp; 671. sliding ridges; 672. a tension spring; 680. a driven block; 681. a driven inclined plane; 690. a clamp is arranged; 700. a driving mechanism; 800. a touch assembly; 810. a touch lever; 820. touching the inclined plane.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, the embodiment provides a detection device for a polarization axis of a polarization maintaining fiber, which comprises a frame body 100, wherein the frame body 100 can be formed by welding steel, an unreeling mechanism 200 is arranged at one end of the frame body 100, a reeling mechanism 300 is arranged at the other end of the frame body 100, a detection mechanism 500 is arranged on the frame body 100 through a travelling mechanism 400, and a pressing pre-tensioning mechanism 600 is further arranged on the frame body 100.
Basic principle of this embodiment: the unreeling mechanism 200 is used for unreeling coiled optical fibers, the reeling mechanism 300 is used for reeling and unreeling detected optical fibers, the detecting mechanism 500 is used for detecting the position of a polarization axis of the optical fibers, the pressing pre-tensioning mechanism 600 is used for firstly pressing two ends of a section of optical fibers to be detected to form pre-fixing, and the optical fibers can be slightly stretched to two sides, so that accuracy of detection results can be improved.
Specifically, the unreeling mechanism 200 includes supporting members 210 disposed on two sides of the frame 100, a U-shaped groove 220 is formed above the supporting members 210, and the U-shaped groove 220 is rotationally connected with a shaft head of the unreeling drum 230. The support 210 serves to support the unwinding drum 230, and the unwinding drum 230 may roll in the U-shaped groove 220, thereby unwinding the optical fiber wound thereon.
The winding mechanism 300 comprises support columns 310 arranged at two sides of the frame body 100, U-shaped grooves 220 are formed in the support columns 310, shaft heads of the winding drum 320 are rotationally connected and received in the U-shaped grooves 220, and a driving mechanism 700 for driving the winding drum 320 to rotate is arranged on one side of the support columns 310.
The winding drum 320 can rotate on the support column 310 under the driving of the driving mechanism 700, so that the detected optical fiber can be wound and unwound.
Of course, in order to ensure that the optical fiber is not torn, the unreeling mechanism 200 in this embodiment may be provided with a power mechanism synchronized with the reeling mechanism 300 to realize synchronous rotation.
The walking mechanism 400 comprises a servo motor 410 arranged at one end of the frame body 100, a lead screw 420 is rotationally connected to the frame body 100, a walking block 430 is connected to the lead screw 420 in a threaded manner, a mounting column 440 is connected to the upper end of the walking block 430, the detection mechanism 500 is mounted on the mounting column 440, a T-shaped groove is formed in the frame body 100, the walking block 430 is slidably mounted in the T-shaped groove, the detection mechanism 500 at least comprises a CMOS camera, and the CMOS camera is mounted on the mounting column 440; the servo motor 410 can rotate forward and backward, so as to drive the mounting column 440 to reciprocate along the frame 100, the CMOS camera is used for photographing and detecting the optical fiber, and the detection result is obtained after the processing by the subsequent processing system.
Importantly, the pressing pretensioning mechanism 600 in this embodiment includes a stand column 610 disposed on the frame body 100, a mounting plate 620 is disposed at the top end of the stand column 610, a lifting power member 630 is mounted on the mounting plate 620, the lifting power member 630 is connected with a linkage rod 640, pressing stretching components are disposed at two ends of the linkage rod 640, and positioning components matched with the pressing stretching components are disposed at two ends of the frame body 100.
The main principle is as follows: the lifting power part 630 can drive the linkage rod 640 to move up and down, and the pressing stretching assembly is used for fixing the optical fiber and slightly stretching the optical fiber, wherein the fixing and stretching processes are completed by matching the pressing stretching assembly and the positioning assembly.
The positioning assembly comprises positioning columns 650 arranged at two sides of the frame body 100, a lower clamp 670 is slidably arranged at the top of the positioning columns 650 through an elastic pull-back element 660, a wiring groove is arranged in the lower clamp 670, and a driven block 680 is arranged at one side of the lower clamp 670, which is close to the end part of the frame body 100.
So lower anchor clamps 670 can move relative to reference column 650, provide the removal space for the drawing of optic fibre, and optic fibre sets up inside the wiring groove, and driven piece 680 is used for cooperating with pressfitting stretching assembly, forms the power supply that removes.
The pressing and stretching assembly comprises a gas spring 641 with one end connected to the linkage rod 640, an upper clamp 690 is slidably arranged at the lower part of the gas spring 641 through an elastic pull-back part 660, a wiring groove is arranged in the upper clamp 690, a driven block 680 is arranged at one side of the upper clamp 690 away from the end part of the frame body 100, and the pressing and stretching assembly further comprises a touch assembly 800 arranged on the linkage rod 640.
At the beginning of the motion, the linkage rod 640 moves down to drive the gas spring 641 to move down, so that the upper clamp 690 and the lower clamp 670 contact and fix the optical fiber, and because the gas spring 641 has elasticity, the upper clamp 690 can shrink after contacting the lower clamp 670, at the moment, the linkage rod 640 continues to move down, and the upper clamp 690 and the lower clamp 670 at two sides of the frame 100 can move away from each other through the touch assembly 800, so that a certain stretching can be formed on the optical fiber, at the moment, the traveling mechanism 400 drives the detection mechanism 500 to move to detect the optical fiber, and the accuracy of a detection result can be improved.
The touch assembly 800 includes two touch levers 810 connected to the linkage lever 640, the touch levers 810 are separately disposed on two sides of the air spring 641, a touch inclined plane 820 is disposed at the lower end of the touch lever 810, and a driven inclined plane 681 matched with the touch inclined plane 820 is disposed on the driven block 680.
After the upper clamp 690 contacts the lower clamp 670, the linkage rod 640 may continue to move downward by a certain distance under the driving of the pulling power member 630, and at this time, the touch inclined surface 820 at the lower end of the touch rod 810 contacts the driven inclined surface 681 on the driven block 680, so that the driven block 680 is forced to drive the upper clamp 690 and the lower clamp 670 to move toward the end of the frame 100, thereby slightly stretching the optical fiber.
The top of the positioning column 650 is provided with a wedge-shaped sliding groove 651, the lower part of the lower fixture 670 is provided with a sliding rib 671, the sliding rib 671 is arranged inside the wedge-shaped sliding groove 651, a cavity is formed in the lower fixture 670, the elastic pull-back element 660 comprises a fixing plate 661 arranged at the top end of the positioning column 650, a tension spring 672 is arranged between the fixing plate 661 and the lower fixture 670, and the fixing plate 661 and the tension spring 672 are arranged inside the cavity of the lower fixture 670.
The lower fixture 670 can slide relative to the positioning column 650, so that the lower fixture 670 can move under the drive of the driven block 680, after a section of optical fiber is tested, the traveling mechanism 400 drives the detection mechanism 500 to return to wait for the detection of the next section of optical fiber, and the lifting power member 630 drives the upper fixture 690 to move upwards, so that the touch rod 810 and the driven block 680 are separated, and the lower fixture 670 returns under the action of the tension spring 672.
The bottom of the air spring 641 is provided with a wedge-shaped sliding groove 651, the upper part of the upper clamp 690 is provided with a sliding rib 671, the sliding rib 671 is arranged inside the wedge-shaped sliding groove 651, the upper clamp 690 is internally provided with a cavity, the elastic pull-back element 660 comprises a fixed plate 661 arranged at the lower end of the air spring 641, a tension spring 672 is arranged between the fixed plate 661 and the upper clamp 690, and the fixed plate 661 and the tension spring 672 are both arranged inside the cavity of the upper clamp 690.
The upper clamp 690 can slide relative to the air spring 641, so that the upper clamp 690 can move under the drive of the driven block 680, after a section of optical fiber is tested, the traveling mechanism 400 drives the detection mechanism 500 to return to wait for the detection of the next section of optical fiber, and the lifting power part 630 drives the upper clamp 690 to move upwards, so that the touch rod 810 and the driven block 680 are separated, and the upper clamp 690 returns under the action of the tension spring 672.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a detection device of polarization-maintaining optical fiber polarization axis, its characterized in that includes support body (100), sets up unreeling mechanism (200) and rolling mechanism (300) of setting at support body (100) other end in support body (100) one end, support body (100) on be provided with detection mechanism (500) through running gear (400), still be equipped with pressfitting pretension mechanism (600) on support body (100).
2. The device for detecting the polarization axis of polarization maintaining optical fiber according to claim 1, wherein the unreeling mechanism (200) comprises supporting pieces (210) arranged on two sides of the frame body (100), a U-shaped groove (220) is formed above the supporting pieces (210), and the U-shaped groove (220) is rotationally connected with a shaft head of the unreeling drum (230).
3. The device for detecting the polarization axis of the polarization maintaining fiber according to claim 1, wherein the winding mechanism (300) comprises support columns (310) arranged on two sides of the frame body (100), the support columns (310) are provided with U-shaped grooves (220), the U-shaped grooves (220) are rotationally connected with shaft heads of the receiving winding drum (320), and a driving mechanism (700) for driving the winding drum (320) to rotate is arranged on the support column (310) on one side.
4. A detection device for a polarization-maintaining optical fiber polarization axis according to claim 3, wherein the travelling mechanism (400) comprises a servo motor (410) arranged at one end of a frame body (100), a screw (420) is rotationally connected to the frame body (100), the screw (420) is in threaded connection with a travelling block (430), the upper end of the travelling block (430) is connected with a mounting column (440), the detection mechanism (500) is mounted on the mounting column (440), a T-shaped groove is arranged in the frame body (100), the travelling block (430) is slidably mounted in the T-shaped groove, and the detection mechanism (500) at least comprises a CMOS camera mounted on the mounting column (440).
5. The device for detecting the polarization axis of the polarization maintaining optical fiber according to claim 1, wherein the pressing pre-stretching mechanism (600) comprises a stand column (610) arranged on a frame body (100), a mounting plate (620) is arranged at the top end of the stand column (610), a lifting power piece (630) is arranged on the mounting plate (620), the lifting power piece (630) is connected with a linkage rod (640), pressing stretching components are arranged at two ends of the linkage rod (640), and positioning components matched with the pressing stretching components are arranged at two ends of the frame body (100).
6. The device for detecting the polarization axis of the polarization maintaining optical fiber according to claim 5, wherein the positioning assembly comprises positioning columns (650) arranged on two sides of the frame body (100), a lower clamp (670) is slidably arranged at the top of each positioning column (650) through an elastic pull-back piece (660), a wiring groove is formed in each lower clamp (670), and a driven block (680) is arranged on one side, close to the end of the frame body (100), of each lower clamp (670).
7. The device for detecting the polarization axis of polarization maintaining optical fiber according to claim 6, wherein the pressing and stretching assembly comprises a gas spring (641) with one end connected to the linkage rod (640), an upper clamp (690) is slidably arranged at the lower part of the gas spring (641) through an elastic pull-back piece (660), a driven block (680) is arranged at one side of the upper clamp (690) away from the end of the frame body (100), and the device further comprises a touch assembly (800) arranged on the linkage rod (640).
8. The device for detecting the polarization axis of polarization maintaining optical fiber according to claim 7, wherein the touch assembly (800) comprises two touch rods (810) connected with the linkage rod (640), the touch rods (810) are respectively arranged at two sides of the gas spring (641), a touch inclined plane (820) is arranged at the lower end of the touch rod (810), and a driven inclined plane (681) matched with the touch inclined plane (820) is arranged on the driven block (680).
9. The device for detecting the polarization axis of the polarization maintaining fiber according to claim 6, wherein a wedge-shaped chute (651) is arranged at the top of the positioning column (650), a sliding rib (671) is arranged at the lower part of the lower clamp (670), the sliding rib (671) is arranged inside the wedge-shaped chute (651), a cavity is formed in the lower clamp (670), the elastic pull-back piece (660) comprises a fixing plate (661) arranged at the top end of the positioning column (650), a tension spring (672) is arranged between the fixing plate (661) and the lower clamp (670), and the fixing plate (661) and the tension spring (672) are arranged inside the cavity of the lower clamp (670).
10. The device for detecting the polarization axis of polarization maintaining optical fiber according to claim 6, wherein a wedge-shaped chute (651) is arranged at the bottom of the gas spring (641), a sliding rib (671) is arranged at the upper part of the upper clamp (690), the sliding rib (671) is arranged inside the wedge-shaped chute (651), a cavity is formed in the upper clamp (690), the elastic pull-back piece (660) comprises a fixing plate (661) arranged at the lower end of the gas spring (641), a tension spring (672) is arranged between the fixing plate (661) and the upper clamp (690), and the fixing plate (661) and the tension spring (672) are both arranged inside the cavity of the upper clamp (690).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410362157.2A CN117969043B (en) | 2024-03-28 | 2024-03-28 | Detection device for polarization axis of polarization maintaining optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410362157.2A CN117969043B (en) | 2024-03-28 | 2024-03-28 | Detection device for polarization axis of polarization maintaining optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117969043A true CN117969043A (en) | 2024-05-03 |
| CN117969043B CN117969043B (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410362157.2A Active CN117969043B (en) | 2024-03-28 | 2024-03-28 | Detection device for polarization axis of polarization maintaining optical fiber |
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