CN213482508U - K key positioning device of polarization maintaining optical fiber connector - Google Patents
K key positioning device of polarization maintaining optical fiber connector Download PDFInfo
- Publication number
- CN213482508U CN213482508U CN202022314992.9U CN202022314992U CN213482508U CN 213482508 U CN213482508 U CN 213482508U CN 202022314992 U CN202022314992 U CN 202022314992U CN 213482508 U CN213482508 U CN 213482508U
- Authority
- CN
- China
- Prior art keywords
- fixing seat
- base
- key
- optical fiber
- part fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model discloses a K key positioning device of a polarization maintaining optical fiber connector, wherein a CCD and a base are fixed on an optical adjusting frame; the front end of the base is provided with a spare part fixing seat; and a reference key is arranged at the front end of the spare part fixing seat. The datum line used on the datum key of the positioning device is high in precision, the requirement of alignment precision can be met, the shaft aligning condition can be monitored on line, the positioning device is convenient and quick to use, and the whole system is simple in structure and convenient to implement.
Description
Technical Field
The utility model belongs to the photoelectric equipment field of making, concretely relates to polarization maintaining optical fiber connector K key positioner.
Background
The polarization maintaining optical fiber transmits linearly polarized light and is widely applied to various fields of national economy such as aerospace, aviation, navigation, industrial manufacturing technology, communication and the like. In an interference type optical fiber sensor based on optical coherent detection, the polarization maintaining optical fiber is used to ensure that the linear polarization direction is unchanged, and the coherent signal-to-noise ratio is improved, so that high-precision measurement of physical quantity is realized. The polarization maintaining fiber is used as one special fiber and is used mainly in fiber gyro, fiber hydrophone and other sensors and fiber communication system, DWDM, EDFA and other fiber communication systems.
At present, polarization maintaining optical fibers are more and more widely applied in the field of optical fiber sensing, because polarization maintaining fusion splicers are expensive and inconvenient to use, optical fiber connectors are generally adopted at connecting points of the polarization maintaining optical fibers at two ends for butt joint, and the optical fiber connectors need to be aligned to the axis during butt joint of the polarization maintaining optical fibers, generally, the K keys of the optical fiber connectors are aligned to the slow axis of the polarization maintaining optical fibers, and no special positioning tool is used for the operation of the axis alignment at present, so that the operation is time-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model provides a polarization maintaining optical fiber connector K key positioner, the shortcoming of above prior art has been solved in the use of this equipment, has realized convenient and fast's K key location.
In order to achieve the above object, the utility model provides a following technical scheme: a K key positioning device of a polarization maintaining optical fiber connector comprises an optical adjusting frame, wherein a CCD and a base are fixed on the optical adjusting frame; the front end of the base is provided with a spare part fixing seat; and a reference key is arranged at the front end of the spare part fixing seat.
Preferably, the reference key comprises a main shaft arranged in the middle; an outer ring is arranged on the outer side of the main shaft, and a clamping protrusion is arranged at one end, facing the parts fixing seat, of the outer ring; the spindle is provided with a spindle core towards one side of the part fixing seat.
Preferably, the part fixing seat comprises a fixing chassis arranged close to one side of the base; the part fixing seat also comprises a fixing shell which is convexly arranged at one side close to the reference key; the fixed shell outside is provided with the joint recess that can with the protruding joint of joint.
Preferably, one side of the base, which is close to the part fixing seat, is provided with a base clamping groove which can be clamped with the fixing chassis.
Preferably, the outer side of the base is provided with a bullnose.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, the reference line on the reference key has high precision, and the requirement of alignment precision can be ensured;
secondly, the shaft aligning condition can be monitored on line, and the method is convenient and rapid;
thirdly, the whole system has simple structure and is convenient to realize;
other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an assembly diagram of the positioning device of the present invention;
FIG. 2 is an enlarged view of the reference key of the present invention;
in the figure: 1. reference key, 2, parts fixing base, 3, base, 4, CCD, 11, main shaft, 12, outer ring, 13, shaft core, 21, fixed chassis, 22, fixed shell, 31, base clamping groove, 32, and excircle corner.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1-2, the present invention provides a technical solution: a K key positioning device of a polarization maintaining optical fiber connector comprises an optical adjusting frame, wherein a CCD4 and a base 3 are fixed on the optical adjusting frame; the front end of the base 3 is provided with a spare part fixing seat 2; the front end of the spare part fixing seat 2 is provided with a reference key 1. The reference key 1 comprises a main shaft 11 arranged in the middle; an outer ring 12 is arranged on the outer side of the main shaft 11, and a clamping protrusion is arranged at one end of the outer ring facing the spare part fixing seat 2; the spindle 11 is provided with a spindle core 13 facing the side of the part fixing seat 2. The part fixing seat 2 comprises a fixing chassis 21 arranged close to one side of the base 3; the part fixing seat 2 also comprises a fixing shell 22 which is arranged at one side close to the reference key 1 in a protruding way; the outer side of the fixed shell 22 is provided with a clamping groove which can be clamped with the clamping bulge. One side of the base 3 close to the component fixing seat 2 is provided with a base clamping groove 31 which can be clamped with the fixing chassis 21. The outer side of the base 3 is provided with a bullnose 32.
Clamping protrusions on an outer ring of the reference key 1 are clamped with clamping grooves on the fixed shell 22, then the fixed chassis 21 of the spare part fixing seat 2 is clamped on the upper surface of the base clamping groove 31, and butt joint of the reference key 1, the spare part fixing seat 2, the base 3 and the CCD4 is achieved.
The base 3 and the CCD4 are fixed on an optical adjusting frame, the part fixing seat 2 is installed on the base 3, the reference key 1 is inserted into the part fixing seat 2, the optical adjusting frame is adjusted, the reference line of the reference key 1 is found on a CCD4 display screen, a lens is adjusted, the reference line on the reference key 1 is aligned with the CCD4 transverse axis positioning line, at the moment, the K key is aligned with the CCD4 longitudinal axis positioning line, then the reference key 1 is taken down, the optical fiber connector parts are connected to the part fixing seat 2, the parts are adjusted, the polarization maintaining optical fiber slow axis is aligned with the CCD longitudinal axis positioning line, and therefore the K key is aligned with the polarization maintaining optical fiber slow axis.
Example 1:
a K key positioning device of a polarization maintaining optical fiber connector comprises an optical adjusting frame, wherein a CCD4 and a base 3 are fixed on the optical adjusting frame; the front end of the base 3 is provided with a spare part fixing seat 2; the front end of the spare part fixing seat 2 is provided with a reference key 1.
Example 2:
a K key positioning device of a polarization maintaining optical fiber connector comprises an optical adjusting frame, wherein a CCD4 and a base 3 are fixed on the optical adjusting frame; the front end of the base 3 is provided with a spare part fixing seat 2; the front end of the spare part fixing seat 2 is provided with a reference key 1. The reference key 1 comprises a main shaft 11 arranged in the middle; an outer ring 12 is arranged on the outer side of the main shaft 11, and a clamping protrusion is arranged at one end of the outer ring facing the spare part fixing seat 2; the spindle 11 is provided with a spindle core 13 facing the side of the part fixing seat 2.
Example 3:
a K key positioning device of a polarization maintaining optical fiber connector comprises an optical adjusting frame, wherein a CCD4 and a base 3 are fixed on the optical adjusting frame; the front end of the base 3 is provided with a spare part fixing seat 2; the front end of the spare part fixing seat 2 is provided with a reference key 1. The reference key 1 comprises a main shaft 11 arranged in the middle; an outer ring 12 is arranged on the outer side of the main shaft 11, and a clamping protrusion is arranged at one end of the outer ring facing the spare part fixing seat 2; the spindle 11 is provided with a spindle core 13 facing the side of the part fixing seat 2. The part fixing seat 2 comprises a fixing chassis 21 arranged close to one side of the base 3; the part fixing seat 2 also comprises a fixing shell 22 which is arranged at one side close to the reference key 1 in a protruding way; the outer side of the fixed shell 22 is provided with a clamping groove which can be clamped with the clamping bulge.
Example 4:
a K key positioning device of a polarization maintaining optical fiber connector comprises an optical adjusting frame, wherein a CCD4 and a base 3 are fixed on the optical adjusting frame; the front end of the base 3 is provided with a spare part fixing seat 2; the front end of the spare part fixing seat 2 is provided with a reference key 1. One side of the base 3 close to the component fixing seat 2 is provided with a base clamping groove 31 which can be clamped with the fixing chassis 21.
Example 5:
a K key positioning device of a polarization maintaining optical fiber connector comprises an optical adjusting frame, wherein a CCD4 and a base 3 are fixed on the optical adjusting frame; the front end of the base 3 is provided with a spare part fixing seat 2; the front end of the spare part fixing seat 2 is provided with a reference key 1. One side of the base 3 close to the component fixing seat 2 is provided with a base clamping groove 31 which can be clamped with the fixing chassis 21. The outer side of the base 3 is provided with a bullnose 32.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a polarization maintaining optical fiber connector K key positioner, includes optical adjusting bracket, its characterized in that: the optical adjusting frame is fixedly provided with a CCD (4) and a base (3); the front end of the base (3) is provided with a spare part fixing seat (2); and a reference key (1) is installed at the front end of the part fixing seat (2).
2. The device of claim 1, wherein the K-key positioning device of the polarization-maintaining optical fiber connector comprises: the reference key (1) comprises a main shaft (11) arranged in the middle; an outer ring (12) is arranged on the outer side of the main shaft (11), and a clamping protrusion is arranged at one end of the outer ring facing the parts fixing seat (2); the spindle (11) is provided with a spindle core (13) towards one side of the part fixing seat (2).
3. The K-key positioning device for polarization maintaining optical fiber connector according to claim 1 or 2, wherein: the part fixing seat (2) comprises a fixing chassis (21) arranged close to one side of the base (3); the part fixing seat (2) also comprises a fixing shell (22) which is arranged at one side close to the reference key (1) in a protruding way; the outer side of the fixed shell (22) is provided with a clamping groove which can be clamped with the clamping protrusion.
4. The device of claim 1, wherein the K-key positioning device of the polarization-maintaining optical fiber connector comprises: one side of the base (3) close to the part fixing seat (2) is provided with a base clamping groove (31) which can be clamped with the fixed chassis (21).
5. The device of claim 4, wherein the K-key positioning device of the polarization-maintaining optical fiber connector comprises: and an excircle corner (32) is arranged on the outer side of the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022314992.9U CN213482508U (en) | 2020-10-17 | 2020-10-17 | K key positioning device of polarization maintaining optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022314992.9U CN213482508U (en) | 2020-10-17 | 2020-10-17 | K key positioning device of polarization maintaining optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213482508U true CN213482508U (en) | 2021-06-18 |
Family
ID=76368051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022314992.9U Active CN213482508U (en) | 2020-10-17 | 2020-10-17 | K key positioning device of polarization maintaining optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213482508U (en) |
-
2020
- 2020-10-17 CN CN202022314992.9U patent/CN213482508U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103645537B (en) | Based on device and the welding process again thereof of polarization maintaining optical fibre end face dead axle | |
| US20150308863A1 (en) | Optical-sensor-equipped cut sleeve for connector adapter | |
| EP2579088A1 (en) | Optical fibre birefringence compensation mirror and current sensor | |
| CN213482508U (en) | K key positioning device of polarization maintaining optical fiber connector | |
| CN101251624A (en) | Photon crystal optical fiber fusion splicing three-dimensional alignment apparatus and method | |
| US8789823B2 (en) | Fixing apparatus and measuring method for optical fiber hole insert | |
| US6847766B2 (en) | Optical fiber alignment system | |
| JP5978979B2 (en) | Method and apparatus for detecting attitude of optical fiber | |
| CN105278032B (en) | A kind of stress is focused to spindle-type panda protecting polarized light fiber and its to axis method | |
| CN109655231B (en) | Method and system for detecting working axis of 2 × 2 polarization maintaining optical fiber beam splitter | |
| CN211627877U (en) | Rotary assembly for polarization maintaining contact pin | |
| CN211627880U (en) | Simple clamp for manufacturing deviation-maintaining connector | |
| CN212409723U (en) | Triaxial fiber-optic gyroscope and IMU assembly for inclination measurement | |
| JPH02196204A (en) | Method for aligning axis of constant polarization optical fiber | |
| CN103604583A (en) | Optical fiber external torsion parameter detection method | |
| CN113690727A (en) | Single-mode fiber laser single-polarized light output method and device | |
| CN211293354U (en) | SC type polarization maintaining optical fiber connector | |
| CN104070483A (en) | High-accuracy and high-efficiency monolithic two-degree-of-freedom micro-gripper for assembling optical fiber | |
| CN201965220U (en) | Space magnetic field detector | |
| CN112505838B (en) | Multi-core coupling device and coupling method based on porous capillary | |
| JP2942328B2 (en) | Position recognition device | |
| CN115173201B (en) | Device and method for manufacturing linearly polarized light fiber laser output head | |
| CN112162365A (en) | Single-mode fiber and multi-core fiber rapid coupling device and method | |
| CN221039501U (en) | End face imaging mechanism and graphite welding machine | |
| JP2853771B2 (en) | Position recognition method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |