CN209280971U - A kind of polarization maintaining optical fibre is to shaft device - Google Patents
A kind of polarization maintaining optical fibre is to shaft device Download PDFInfo
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- CN209280971U CN209280971U CN201822103537.7U CN201822103537U CN209280971U CN 209280971 U CN209280971 U CN 209280971U CN 201822103537 U CN201822103537 U CN 201822103537U CN 209280971 U CN209280971 U CN 209280971U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 52
- 230000010287 polarization Effects 0.000 title claims abstract description 36
- 230000001141 propulsive effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 3
- 241001416181 Axis axis Species 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 25
- 239000000835 fiber Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A kind of polarization maintaining optical fibre is to shaft device, including horizonal base plate, contra mandrel assembly, image-forming assembly；Contra mandrel assembly includes propulsive mechanism, erecting bed, arrangement for deflecting, first fixture, second fixture, first fixture, arrangement for deflecting left and right arrangement on erecting bed, second fixture is fixed on arrangement for deflecting, erecting bed is installed on bottom plate by propulsive mechanism, image-forming assembly includes casing, object lens, semi-transparent semi-reflecting lens, linear light source, cmos sensor, display, casing is set on the left of contra mandrel assembly, object lens are set to the right side of casing, cmos sensor is set on the left of casing, semi-transparent semi-reflecting lens reflecting surface be tilted to the right be arranged in casing along left and right to central region, semi-transparent semi-reflecting lens normal direction with to angle be vertically 45 °, the side that display is set to casing is connected with cmos sensor by data line.It can detecte the stress zone position of polarization maintaining optical fibre and the adjustment of stress zone position carried out by rotation optical fiber, solve the problems, such as that traditional heat sealing machine can not be to axis.
Description
Technical field
The utility model relates to a kind of polarization maintaining optical fibres to shaft device.
Background technique
Polarization maintaining optical fibre: polarization maintaining optical fibre transmits linearly polarized light, is widely used in space flight, aviation, navigation, industrial manufacturing technology and leads to
The every field of the national economy such as letter.In interferometric optical fiber sensor based on detecting by optical coherence, polarization-maintaining light is used
Fibre can guarantee that linear polarization is constant, improve relevant signal-to-noise ratio, to realize the high-acruracy survey to physical quantity.
In terms of the section of polarization maintaining optical fibre, it is followed successively by fibre core, covering, interior coat, outer coat from inside to outside, covering is in fibre
Have around core there are two the stressed zone being arranged symmetrically, the optical characteristics and surrounding different from of the stressed zone, polarization maintaining optical fibre is molten
When connecing, the stressed zone for needing to make two polarization maintaining optical fibres to welding is corresponding, and current welding machine equipment can not carry out polarization-maintaining
Optical fiber operates axis.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of polarization maintaining optical fibres to shaft device, can detecte polarization-maintaining
The stress zone position of optical fiber simultaneously carries out the adjustment of stress zone position by rotation optical fiber.
In order to solve the above technical problems, the use of the new type provides a kind of polarization maintaining optical fibre to shaft device, including horizonal base plate,
Contra mandrel assembly, image-forming assembly；
The contra mandrel assembly includes propulsive mechanism, erecting bed, arrangement for deflecting, the first fixture, the second fixture, erecting bed water
Plain cloth is set, and the active left part being connected on the upside of erecting bed of the first fixture, arrangement for deflecting is fixedly connected on the right part on the upside of erecting bed,
Second fixture is fixed on arrangement for deflecting, when the first fixture, the second fixture clamp the optical fiber of two same sizes respectively, two
The straight line of the central axes of optical fiber totally one or so trend, if the straight line is benchmark line, the second fixture is with reference line with arrangement for deflecting
Axis rotation, erecting bed are installed on bottom plate by propulsive mechanism, and the direction of propulsion of propulsive mechanism is left and right trend；
The image-forming assembly includes that casing, object lens, semi-transparent semi-reflecting lens, linear light source, cmos sensor and CMOS are sensed
The display that device matches, casing are set on the bottom plate the left side that contra mandrel assembly is corresponded on position, and object lens are set to the right side of casing, object
The central axes of mirror are conllinear with reference line, and cmos sensor is set to the left side of casing, and position is faced with object lens, the company of being equipped in casing
The path channels of left and right trend between logical object lens and cmos sensor, semi-transparent semi-reflecting lens reflecting surface, which is tilted to the right, is arranged in casing
Along left and right to the high right side of central region and left side it is low, reference line crosses the center of semi-transparent semi-reflecting lens, semi-transparent semi-reflecting lens normal direction
With to angle be vertically 45 °, linear light source is set to the top of semi-transparent semi-reflecting lens, and linear light source direction of illumination is straight down and more than half
The center of saturating semi-reflective mirror, the side that display is set to casing are connected with cmos sensor by data line.
For the sake of simple declaration problem, a kind of polarization maintaining optical fibre described in the utility model is referred to as shaft device below
The present apparatus.
The application method and principle of the present apparatus are as follows: the polarization maintaining optical fibre to welding is placed in the first fixture and second of the present apparatus
On fixture, be then closed the second fixture, adjustment propulsive mechanism makes object lens complete focusing, the projection light of linear light source straight down,
A part passes through semi-transparent semi-reflecting lens, and another part is changed by reflection and is irradiated to horizontally to the right through object lens to welding optic fibre
On end face, due to the special optical characteristics in stressed zone, reflected light has apparent light and shade at stressed zone and at non-stressed area
Difference, then the reflected light of end face passes through object lens from right to left, then changes direction through reflection by semi-transparent semi-reflecting lens a part
For straight up, another part passes through semi-transparent semi-reflecting lens and projects on cmos sensor and shown by display, at this time
The stress zone position of the polarization maintaining optical fibre rotation adjustment polarization maintaining optical fibre to welding is driven (for example to be adjusted to two by control servo motor
The line of a stressed zone is level), it is closed the first fixture at this time, opens the second fixture, and by polarization maintaining optical fibre adjusted and the
One fixture is removed together is installed to the side that optical fiber splicer waits for welding, then installs another first fixture and will be to welding
Another polarization maintaining optical fibre is placed in the present apparatus, is repeated aforesaid operations, is answered its stressed zone location drawing picture with previous polarization maintaining optical fibre
The picture registration of power zone position (is adjusted to the line of two stressed zones also as level), another is waited for the polarization-maintaining of welding again at this time
Optical fiber is connected to another first fixture and removes and be installed to the other side that optical fiber splicer waits for welding together, finally starts heat sealing machine
Carry out welding.
The advantages of present apparatus: the present apparatus by carrying out stressed zone observation and school to two polarization maintaining optical fibres to welding respectively
Standard keeps its stressed zone completely corresponding, then carries out welding by conventional optical fiber splicer again, solve existing fused fiber splice
Machine can not carry out the problem of polarization maintaining optical fibre is to axis, and present apparatus structure is simple, suitable popularization easy to use.
To reach the better using effect of the present apparatus, preferred embodiment is as follows:
Preferably, the propulsive mechanism includes pedestal, differential head, push rod, pedestal is set on the bottom plate, and differential head is logical
It crosses mounting rack to be mounted on the base, differential head axis direction is left and right trend, is connect by push rod with erecting bed on the left of differential head.
Propulsive mechanism can make distance adjustment more accurate using differential head, and it is clear to be conducive to be formed on cmos sensor
Image.
Preferably, the arrangement for deflecting includes the first mounting rack, the second mounting rack, deflects seat, servo motor, the
Two fixtures are set on deflection seat, the first yawing axis are equipped on the left of deflection seat, right side is equipped with the second yawing axis, the first yawing axis, the
Two yawing axis axis are conllinear with reference line and the first deflection axis center is equipped with the through-hole passed through for optical fiber, first installation
Frame, second mounting rack or so arrangement, deflection seat are set between the first mounting rack, the second mounting rack, right in the first installation rack position
Answer at the first yawing axis be equipped with match with the first yawing axis, along left and right to run through the first mounting rack first shaft hole, second
Match with the second yawing axis, edge left and right is equipped in installation rack position at corresponding second yawing axis to through the second mounting rack
Second axis hole, the first yawing axis, the second yawing axis are respectively correspondingly arranged in first shaft hole, in the second axis hole, on the right side of the second mounting rack
Equipped with servo motor, servo motor output shaft and the second yawing axis are coaxially connected.
Servo motor drives the second fixture to rotate along reference line by rotational deflection seat, so as to adjust the polarization-maintaining light to welding
The position of stressed zone in fibre, servo motor have inertia small, and the high feature of position precision can be accurately controlled deflection angle,
Play the role of pinpoint.
A branch is equipped with preferably, being corresponded between on the right side of object lens and on the left of the first fixture on the bottom plate position
Frame, bracket upside are equipped with one along left and right to the V-shaped groove for running through bracket, and the position of V-shaped groove and specification match with the first fixture.
Bracket is equipped with V-shaped groove, left side can be brushed lightly beyond the optical fiber of the first fixture and be set in V-shaped groove, make its holding shaft
Line is horizontal, so that more accurate to axis.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present apparatus.
Fig. 2 is the enlarged structure schematic diagram of arrangement for deflecting in the present apparatus.
Fig. 3 is structure and light path schematic diagram in present apparatus casing.
Specific embodiment
Referring to figures 1-3, a kind of polarization maintaining optical fibre is to shaft device, including horizonal base plate 1, contra mandrel assembly 2, image-forming assembly 3.
The contra mandrel assembly 2 includes propulsive mechanism 21, erecting bed 22, arrangement for deflecting 23, the first fixture 24, the second fixture
25, erecting bed 22 is horizontally disposed, and the active left part for being connected to 22 upside of erecting bed of the first fixture 24, arrangement for deflecting 23 is fixedly connected
Right part in 22 upside of erecting bed.
The arrangement for deflecting 23 includes the first mounting rack 231, the second mounting rack 232, deflection seat 233, servo motor
234, the second fixture 25 is set on deflection seat 233, when the first fixture 24, the second fixture 25 clamp the light of two same sizes respectively
When fine, the straight line of the central axes of two optical fiber totally one or so trend deflects if the straight line is benchmark line and is equipped with the on the left of seat 233
One yawing axis 2331, right side are equipped with the second yawing axis 2333, the first yawing axis 2331,2333 axis of the second yawing axis and reference line
It is (the first yawing axis 2331 in the present embodiment, logical that conllinear and 2331 center of the first yawing axis is equipped with the through-hole 2332 passed through for optical fiber
The upside in hole 2332 is equipped with notch, is put into convenient for the polarization maintaining optical fibre 5 to welding), the first mounting rack 231, second peace
232 or so arrangements are shelved, deflection seat 233 is set between the first mounting rack 231, the second mounting rack 232, the first mounting rack 231
It sets and is equipped with match with the first yawing axis 2331, edge left and right at the first yawing axis of correspondence 2331 to through the first mounting rack
231 first shaft hole 2311, is equipped at corresponding second yawing axis 2333 on 232 position of the second mounting rack and the second yawing axis 2333
Match, edge is controlled to the second axis hole 2321 for running through the second mounting rack 232, the first yawing axis 2331, the second yawing axis
2333 are respectively correspondingly arranged in first shaft hole 2311, in the second axis hole 2321, and servo motor 234 is equipped on the right side of the second mounting rack 232,
234 output shaft of servo motor and the second yawing axis 2333 are coaxially connected.
The propulsive mechanism 21 includes pedestal 211, differential head 213, push rod 214, and pedestal 211 is set on bottom plate 1, differential
First 213 are mounted on pedestal 211 by mounting rack 212, and 213 axis direction of differential head is left and right trend, are led on the left of differential head 213
Push rod 214 is crossed to connect with erecting bed 22.
The image-forming assembly 3 (is adopted including casing 31, object lens 32, semi-transparent semi-reflecting lens 33, linear light source 34 in the present embodiment
With LED light), cmos sensor 35, the display 36 to match with cmos sensor 35, casing 31 is set on bottom plate 1 on position
The left side of corresponding contra mandrel assembly 2, object lens 32 are set to the right side of casing 31, and the central axes of object lens 32 are conllinear with reference line, and CMOS is passed
Sensor 35 is set to the left side of casing 31, and position is faced with object lens 32, and connection object lens 32 and cmos sensor are equipped in casing 31
Between 35 left and right trend path channels, 33 reflecting surface of semi-transparent semi-reflecting lens be tilted to the right be arranged in casing 31 along left and right in
The high right side in portion region and left side is low, and reference line crosses the center of semi-transparent semi-reflecting lens 33,33 normal direction of semi-transparent semi-reflecting lens with vertically to
Angle is 45 °, and linear light source 34 is set to the top of semi-transparent semi-reflecting lens 33, and 34 direction of illumination of linear light source is straight down and excessively semi-transparent
The center of semi-reflective mirror 33, the side that display 36 is set to casing 31 are connected with cmos sensor 35 by data line.
It is corresponded on 1 position of bottom plate and is equipped with a bracket 4, bracket between 24 left side of 32 right side of object lens and the first fixture
4 upsides are equipped with one along left and right to the V-shaped groove 41 through bracket 4, the position of V-shaped groove 41 and specification and 24 phase of the first fixture
Match.
The application method and principle of the present apparatus are as follows: the polarization maintaining optical fibre 5 to welding is placed in 24 He of the first fixture of the present apparatus
On second fixture 25, it is then closed the second fixture 25, adjustment propulsive mechanism 21 makes object lens 32 complete focusing, the throwing of linear light source 34
Penetrate light straight down, a part passes through semi-transparent semi-reflecting lens 33, and another part is changed into horizontally to the right by reflection through object lens 32
Be irradiated on the end face to welding optic fibre, due to the special optical characteristics in stressed zone, reflected light at stressed zone with it is non-stressed
Apparent light and shade difference is had at area, then the reflected light of end face passes through object lens 32 from right to left, then passes through semi-transparent semi-reflecting lens
It is that straight up, another part passes through semi-transparent semi-reflecting lens 33 and projects on cmos sensor 35 that 33 a part, which change direction through reflection,
And shown by display 36, drive the rotation adjustment of polarization maintaining optical fibre 5 to welding to protect by control servo motor 234 at this time
The stress zone position (for example being adjusted to the line of two stressed zones as level) of polarisation fibre, is closed the first fixture 24 at this time, opens
Second fixture 25, and polarization maintaining optical fibre adjusted and the first fixture 24 are removed together and are installed to optical fiber splicer waits for welding one
Then side installs another first fixture 24 and another polarization maintaining optical fibre to welding is placed in the present apparatus, repeat above-mentioned behaviour
Make, its stressed zone location drawing picture and previous Stress Profile for Polarization-Maintaining zone position picture registration is made (to be also adjusted to two stressed zones
Line be level), at this time again by another wait for welding polarization maintaining optical fibre 5 be connected to another first fixture 24 remove and pacify together
It is attached to the other side that optical fiber splicer waits for welding, finally starts heat sealing machine and carries out welding.
The advantages of present apparatus: the present apparatus by carrying out stressed zone observation and school to two polarization maintaining optical fibres 5 to welding respectively
Standard keeps its stressed zone completely corresponding, then carries out welding by conventional optical fiber splicer again, solve existing fused fiber splice
Machine can not carry out the problem of polarization maintaining optical fibre is to axis, and present apparatus structure is simple, suitable popularization easy to use.
Propulsive mechanism 21 can make distance adjustment more accurate using differential head 213, be conducive on cmos sensor 35
Form clearly image.
Servo motor 234 drives the second fixture 25 to rotate along reference line by rotational deflection seat 233, so as to adjust to welding
Polarization maintaining optical fibre 5 in stressed zone position, servo motor 234 have inertia it is small, the high feature of position precision can be controlled accurately
Deflection angle processed plays the role of pinpoint.
Bracket 4 is equipped with V-shaped groove 41, left side can be brushed lightly beyond the optical fiber of the first fixture 24 and be set in V-shaped groove 41, make it
Axis horizontal is kept, so that more accurate to axis.
Claims (4)
1. a kind of polarization maintaining optical fibre is to shaft device, it is characterised in that: including horizonal base plate, contra mandrel assembly, image-forming assembly；
The contra mandrel assembly includes propulsive mechanism, erecting bed, arrangement for deflecting, the first fixture, the second fixture, the horizontal cloth of erecting bed
It sets, the active left part being connected on the upside of erecting bed of the first fixture, arrangement for deflecting is fixedly connected on the right part on the upside of erecting bed, and second
Fixture is fixed on arrangement for deflecting, when the first fixture, the second fixture clamp the optical fiber of two same sizes respectively, two optical fiber
Central axes totally one or so trend straight line, if the straight line be benchmark line, the second fixture with arrangement for deflecting using reference line be axis rotation
Turn, erecting bed is installed on bottom plate by propulsive mechanism, and the direction of propulsion of propulsive mechanism is left and right trend；
The image-forming assembly include casing, object lens, semi-transparent semi-reflecting lens, linear light source, cmos sensor, with cmos sensor phase
Matched display, casing are set on the bottom plate the left side that contra mandrel assembly is corresponded on position, and object lens are set to the right side of casing, object lens
Central axes are conllinear with reference line, and cmos sensor is set to the left side of casing, and position is faced with object lens, and connection object is equipped in casing
The path channels of left and right trend between mirror and cmos sensor, semi-transparent semi-reflecting lens reflecting surface, which is tilted to the right, is arranged in casing along left
The high right side of the central region of dextrad and left side is low, and reference line crosses the center of semi-transparent semi-reflecting lens, semi-transparent semi-reflecting lens normal direction and perpendicular
It is directly 45 ° to angle, linear light source is set to the top of semi-transparent semi-reflecting lens, linear light source direction of illumination straight down and excessively semi-transparent half
The center of anti-mirror, the side that display is set to casing are connected with cmos sensor by data line.
2. a kind of polarization maintaining optical fibre according to claim 1 is to shaft device, it is characterised in that: the propulsive mechanism includes bottom
Seat, differential head, push rod, pedestal are set on the bottom plate, and differential head is mounted on the base by mounting rack, and differential head axis direction is a left side
Right trend, differential head left side are connect by push rod with erecting bed.
3. a kind of polarization maintaining optical fibre according to claim 1 is to shaft device, it is characterised in that: the arrangement for deflecting includes the
One mounting rack, the second mounting rack, deflection seat, servo motor, the second fixture are set on deflection seat, and first is equipped on the left of deflection seat partially
Shaft, right side are equipped with the second yawing axis, and the first yawing axis, the second yawing axis axis and reference line are conllinear and first deflects axis center
Equipped with the through-hole passed through for optical fiber, first mounting rack, second mounting rack or so arrangement, deflection seat are set to the first installation
Between frame, the second mounting rack, match with the first yawing axis, edge is equipped at corresponding first yawing axis in the first installation rack position
Left and right is equipped at corresponding second yawing axis to the first shaft hole for running through the first mounting rack, in the second installation rack position and the second deflection
To the second axis hole for running through the second mounting rack, the first yawing axis, the second yawing axis are respectively correspondingly arranged in for axis matches, edge left and right
In first shaft hole, the second axis hole, servo motor is equipped on the right side of the second mounting rack, servo motor output shaft and the second yawing axis are coaxial
Connection.
4. a kind of polarization maintaining optical fibre according to claim 1 is to shaft device, it is characterised in that: corresponding on the bottom plate position
Equipped with a bracket between on the right side of object lens and on the left of the first fixture, bracket upside is equipped with one along left and right to the V-arrangement through bracket
Slot, the position of V-shaped groove and specification match with the first fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103537.7U CN209280971U (en) | 2018-12-14 | 2018-12-14 | A kind of polarization maintaining optical fibre is to shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103537.7U CN209280971U (en) | 2018-12-14 | 2018-12-14 | A kind of polarization maintaining optical fibre is to shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280971U true CN209280971U (en) | 2019-08-20 |
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ID=67611175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822103537.7U Active CN209280971U (en) | 2018-12-14 | 2018-12-14 | A kind of polarization maintaining optical fibre is to shaft device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209280971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471218A (en) * | 2018-12-14 | 2019-03-15 | 南京吉隆光纤通信股份有限公司 | A kind of polarization maintaining optical fibre is to shaft device |
| CN110888197A (en) * | 2019-12-11 | 2020-03-17 | 北京工业大学 | Polarization maintaining optical fiber counter shaft device based on optical fiber internal microstructure far-field pattern |
-
2018
- 2018-12-14 CN CN201822103537.7U patent/CN209280971U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471218A (en) * | 2018-12-14 | 2019-03-15 | 南京吉隆光纤通信股份有限公司 | A kind of polarization maintaining optical fibre is to shaft device |
| CN110888197A (en) * | 2019-12-11 | 2020-03-17 | 北京工业大学 | Polarization maintaining optical fiber counter shaft device based on optical fiber internal microstructure far-field pattern |
| CN110888197B (en) * | 2019-12-11 | 2021-04-30 | 北京工业大学 | Polarization maintaining optical fiber counter shaft device based on optical fiber internal microstructure far-field pattern |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A polarization maintaining fiber alignment device Granted publication date: 20190820 Pledgee: Bank of China Limited Nanjing Jiangbei New Area Branch Pledgor: NANJING JILONG OPTICAL COMMUNICATION Co.,Ltd. Registration number: Y2024980012637 |