CN102958654B - Optical fiber cleaver and optical fiber cutting method - Google Patents
Optical fiber cleaver and optical fiber cutting method Download PDFInfo
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- CN102958654B CN102958654B CN201180031717.7A CN201180031717A CN102958654B CN 102958654 B CN102958654 B CN 102958654B CN 201180031717 A CN201180031717 A CN 201180031717A CN 102958654 B CN102958654 B CN 102958654B
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- Prior art keywords
- optical fiber
- amputation knife
- support chip
- support
- cleaver
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 85
- 235000014820 Galium aparine Nutrition 0.000 title claims description 14
- 240000005702 Galium aparine Species 0.000 title claims description 14
- 238000002266 amputation Methods 0.000 claims abstract description 55
- 238000010008 shearing Methods 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000003287 optical Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- -1 copper-nickel alloy Chemical class 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N N#B Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium(0) Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
Abstract
The present invention provides the shearing device of a kind of optical fiber for being breaking at first direction upward wiring, possesses: support chip, has free end and fixing end and has pliability；Amputation knife, are supported in described support chip, are configured at contact point contact with described optical fiber with right angle；And driving means, constituted in the way of pushing described support chip to second direction, wherein, described second direction is formed in the face orthogonal with described first direction, and does not intersects with described first direction.
Description
Technical field
The present invention relates to a kind of optical fiber cleaver and employ the optical fiber cutting method of this device.
Background technology
The high speed data communication services (FTTH:Fiber To The Home, fiber entering household) employing optical fiber is anxious in recent years
Speed is universal.Along with popularizing of FTTH, the requirement to the optical loss reducing optical fiber improves year by year.In the optical loss of optical fiber not
Evitable is the light scattering produced by the section of its end.Ideally section be the direction of routing with optical fiber just
The plane handed over, but the section of reality is not preferable plane.Therefore light scatters herein, thus produces very important
Optical loss.
Various technology is have studied close to preferable section in order to be formed.Patent documentation 1,2 discloses relevant technology.
Patent documentation 1: the clear 63-153505 publication of Japanese Patent Publication
Patent documentation 2: Japanese Patent Publication 2005-321652 publication
Summary of the invention
In a lot of technology belonging to technical standard, by amputation knife are pushed against fiber cut on optical fiber.According to
The research of the present inventor, one of section reason deviating from ideal plane is more deeply cut into optical fiber by amputation knife and causes
The deformation of section.Present invention discovery based on the problems referred to above and make.
The first form according to the present invention, the shearing device of the optical fiber for being breaking at first direction upward wiring possesses:
Blade, has free end and fixing end and has pliability；Amputation knife, are supported in described support chip, are configured at contact point
Contact with described optical fiber with right angle；And driving means, constituted in the way of pushing described support chip to second direction, wherein,
Described second direction is formed in the face orthogonal with described first direction, and does not intersects with described first direction.
The second form according to the present invention, cutting-off method comprises the steps: to hold the optical fiber of upward wiring in a first direction
And apply tension force；It is configured to the amputation knife being supported in support chip at contact point contact with described optical fiber with right angle, wherein,
Described support chip has free end and fixing end and has pliability；After contacting with described optical fiber, push away to second direction
Pressing described support chip, wherein, described second direction is formed in the face orthogonal with described first direction, and not with described first party
To intersecting.
Accompanying drawing explanation
Fig. 1 is the diagrammatic top view of the optical fiber cleaver of one embodiment of the present invention.
Fig. 2 A is the side view of the amputation knife in above-mentioned optical fiber cleaver and driving means, represents above-mentioned amputation knife and light
Fibre contact before state.
Fig. 2 B is above-mentioned amputation knife and the side view of above-mentioned driving means, after representing that above-mentioned amputation knife contact with optical fiber
State.
Fig. 3 A is the side view of the second case representing amputation knife and driving means, represents that above-mentioned amputation knife contact with optical fiber
State before.
Fig. 3 B is the side view representing above-mentioned second case, represent above-mentioned amputation knife contact with optical fiber after state.
Fig. 4 A is the top view of the 3rd example representing amputation knife, represent above-mentioned amputation knife contact with optical fiber before shape
State.
Fig. 4 B is the top view representing above-mentioned 3rd example, represent above-mentioned amputation knife contact with optical fiber after state.
Fig. 5 is the top view representing above-mentioned 3rd example, represent made before above-mentioned amputation knife and optical fiber contact pedestal towards
The example that above-mentioned amputation knife advance.
Detailed description of the invention
Referring to the drawings the several exemplary embodiment of the present invention is illustrated.
With reference to Fig. 1, the optical fiber cleaver 1 of one embodiment of the present invention possess hold the grasping device 3 of optical fiber 2,4,
Amputation knife 5 and drive the driving means 8 of amputation knife 5 towards optical fiber 2.
First grasping device 3 and the second grasping device 4 separate configuration in the direction of arrowx, holds respectively arrow X's
The optical fiber 2 of direction upward wiring.On optical fiber 2, generally it is coated with cover layer 9, keeps the structure of fiber_optic 10 of cover layer 9 near first
Grasping device 3 ground is arranged.And, than structure of fiber_optic 10 closer to the side of amputation knife 5, optical fiber 2 is peeled cover layer 9 and is located
In exposed state.
Second grasping device 4 is preferably configured as slightly to move to the direction of arrow X, and being thus configured to can be to optical fiber
2 apply suitable tension force.Or, it is also possible to the first grasping device 3 and the second grasping device 4 cooperates or individually to optical fiber
2 modes applying tension force constitute grasping device 3,4.
With reference to Fig. 2 A, 2B, amputation knife 5 are such as made up of diamond, and have point of a knife 5A, and this is such as by becoming suitable angle
The sharp crest line that one opposite of degree is formed.This angle for example, 60 degree, but it is not limited to this.Replace diamond, it is also possible to be picture
Hard material suitable as sapphire or boron nitride.Furthermore, it is also possible to be the vicinity of only point of a knife 5A be hard material, this
Outward, it is equally applicable to amputation knife 5 on surface with the suitable material of the coating being made up of hard material.
Amputation knife 5 are supported in support chip 7 via suitable amputation knife support 6.If may, support chip 7 can also directly prop up
Support amputation knife 5.Amputation knife support 6 at one end portion 6a is combined with amputation knife 5, is combined with support chip 7 at the other end 6b.Can lead to
Cross connection bonding, that be pressed into, utilize screw thread etc. or any means being equal to and combine.
Support chip 7 is made up of suitable flexual material, and in its one end, 7a is fixed on fixed component 11, at other end 7b
It is in free state.Fixing end 7a and fixed component 11 can by bonding, deposition, utilize the crimping of screw thread etc., press-in or
Equivalent any means and be combined.As flexual material, can be ocean copper-nickel alloy, phosphor bronze, beryllium copper, spring steel or
Person is any metal being equal to these.Or substituted metal, it is also possible to be suitable resin or pottery.Support chip 7 is overall suitable
Locality has pliability.Support chip 7 is preferably tabular, thus can suppress the flexure to its width, and easily to width
The direction flexure that direction is orthogonal.The direction that point of a knife 5A easily bends towards this, the direction is orthogonal with the direction of routing of optical fiber 2.Excellent
Choosing makes support chip 7 vertical ground upright but it also may be comprise level other arbitrarily towards.
Driving means 8 possesses the mechanism carrying out moving along a straight line as ball-screw, can control plunger 12 and make it advance
And retreat.Replace ball-screw, it is possible to use pneumatic shuttle, hydraulic means, cam mechanism etc..Following configuration driven device 8, makes
Plunger 12 direction that carries out moving along a straight line is formed in the face orthogonal with the direction of routing of optical fiber 2, and not with the cabling of optical fiber 2
Direction is intersected.In the example of Fig. 2 A, 2B, offset up in order to not direction of routing with optical fiber 2 intersects but it also may downwards
Skew.By being configured so that driving means, driving means 8 pushes the power of amputation knife 5 relative to point of a knife 5A and the contact point of optical fiber 2
Produce moment.
And, driving means 8 configures as follows: as shown in Figure 2 A, and when plunger 12 retreats, its front end 12A does not pushes
The end 6b of amputation knife support 6 and support chip 7；As shown in Figure 2 B, when plunger 12 advances its front end 12A to optical fiber 2
Direction push the end 6b of amputation knife support 6 and support chip 7.The mechanism of above-mentioned linear motion when making plunger 12 advance, for
Make the point of a knife 5A contact with optical fiber 2, should have enough movable ranges.And about this driving force for example, 100g weight, but
It is not limited to this.Suitably can determine according to the coefficient of elasticity of support chip, amputation knife support 6 and the weight of amputation knife 5.
In order to control distance and the speed thereof of plunger 12 motion, control device can be added.This is to cut for preventing every time
Time disconnected, the state of the section of optical fiber 2 produces deviation.
Suitable buffer unit can also be set between driving means 8 and amputation knife support 6 or support chip 7.Such as exist
Example shown in Fig. 3 A, 3B is provided with spring 13.In order to support spring 13 effectively, plunger 12 can possess gripper shoe 14.And
And, replace spring, it is also possible to be rubber, Foamex, buffer etc..Punching is somewhat produced with optical fiber 2 when point of a knife 5A contacts
Hit F, but buffer unit absorbs impact F, protects point of a knife 5A, and prevents from having undesirable effect the shape of section.
Or, replace buffer unit or on this basis, pedestal 15 can be set as shown in Fig. 4 A, 4B, pedestal 15 with
Grip optical fiber 2 between amputation knife 5.Pressure that said base 15 applies because of amputation knife 5 for preventing optical fiber 2 and be deformed.By
In inhibiting the compression stress caused by deformation, thus the scar caused by amputation knife 5 becomes easily to propagate, even the most more
Little pushing force also is able to cut off optical fiber 2.The shape so contributing to making section is better.
Additionally, or as shown in Figure 5, it is also possible to pedestal 15 is pushed to optical fiber 2 and on optical fiber 2, produces tensile stress
F’.In order to generate tensile stress F by pushing ', pedestal 15 is preferably spherical, cylindrical shape etc. has the suitable shape of convex surface.
Above-mentioned tensile stress F ' promote the propagation of the scar caused by amputation knife 5, hence help to make the shape of section more
Well.
Being also preferably, optical fiber cleaver 1 has the suitable sensor judging that optical fiber 2 is the most cut-off.As this
The sensor of sample, can illustrate the interrupted sensor of the detection light by optical fiber 2 or the sensor of the tension force of detection fiber 2, but
It is not limited to this.
According to above-mentioned optical fiber cleaver 1, it is carried out as follows the cut-out of optical fiber 2.
By grasping device 3,4, hold the optical fiber 2 of cabling in the direction of arrowx and apply suitable opening to optical fiber 2
Power.By driving means 8, make plunger 12 advance and push support chip 7 and be allowed to bend, and being supported in the cut-out of support chip 7
Cutter 5 contacts with optical fiber 2 with right angle.
Afterwards, when pushing support chip 7 further by driving means 8, the power being as noted previously, as pushing contacts relatively
Point has moment, therefore, makes amputation knife 5 create torque around contact point.Therefore, the amputation knife 5 contacted with optical fiber 2 are also
The most deeper it is cut in optical fiber 2, but moves in the way of the surrounding of wound fiber 2, thus cut off optical fiber 2.With runout
Formula is different, and support chip 7 entirety has pliability, and therefore, amputation knife 5 can move by wound fiber 2 peripherally.
It is preferably, by the cut-out of sensor detection fiber 2, makes plunger 12 retreat by driving means 8, make amputation knife 5
Leave optical fiber 2.Afterwards, optical fiber 2 is discharged from grasping device 3,4 and structure of fiber_optic 10.
As it has been described above, amputation knife contact with optical fiber with right angle, and will not be more deeply cut in optical fiber, but with cincture
Mode about moves.The section being thusly-formed is close to the ideal plane orthogonal with the direction of routing of optical fiber.Therefore, can press down
The loss that system is caused by the light scattering on section.
According to preferred embodiment describing the present invention, but the present invention is not limited to above-mentioned embodiment.
Based on above disclosure, person of ordinary skill in the field can implement this by the correction of embodiment or deformation
Bright.
Industrial applicibility
The good shearing device cut off and the cutting-off method of a kind of optical loss carrying out inhibiting optical fiber are provided.
Claims (5)
1. an optical fiber cleaver, cuts off described for being applied with the state of tension force with the optical fiber to upward wiring in a first direction
Optical fiber, described optical fiber cleaver possesses:
Flexual support chip, the one end fixed while there is vertical and the other end as free end；
Amputation knife support, is installed on the described free end of described support chip；
Amputation knife, are held in the one side side of described amputation knife support, and
Driving means, makes to push the another side of described amputation knife support relative to the plane-parallel orthogonal with described support chip
The plunger of side to advance in the way of described support chip,
Described optical fiber cleaver is characterised by,
Described support chip is the most a piece of,
Utilize the described plunger that advanced by described driving means to direction and the described plane-parallel close to described optical fiber
Push described amputation knife support, the most a piece of described support chip flexure, be installed on the described amputation knife of described support chip
Support is to move in the way of the surrounding of described optical fiber, thus cuts off described optical fiber.
Optical fiber cleaver the most according to claim 1, wherein,
It is also equipped with absorbing described amputation knife to contact with described optical fiber and the buffer unit of impact that produces.
Optical fiber cleaver the most according to claim 1 and 2, wherein,
Being also equipped with pedestal, described pedestal configures in the way of clamping described optical fiber between this pedestal and described amputation knife.
Optical fiber cleaver the most according to claim 3, wherein,
It is also equipped with the handle part constituted in the way of holding described optical fiber and applying tension force.
5. an optical fiber cutting method, it is characterised in that comprise the steps:
Hold the optical fiber of upward wiring in a first direction and apply tension force；
The one end fixed while there is vertical and as free end the other end flexual support chip described free end on
One side side is installed and maintains the amputation knife support of amputation knife；And
Make to push the another of described amputation knife support relative to the plane-parallel orthogonal with described support chip by driving means
Simultaneously the plunger of side is to advance in the way of described support chip,
Described support chip is the most a piece of,
Utilize the described plunger that advanced by described driving means to direction and the described plane-parallel close to described optical fiber
Push described amputation knife support, the most a piece of described support chip flexure, be installed on the described amputation knife of described support chip
Support is to move in the way of the surrounding of described optical fiber, thus cuts off described optical fiber.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010276848A JP5639455B2 (en) | 2010-12-13 | 2010-12-13 | Optical fiber cutting device and optical fiber cutting method |
| JP2010-276848 | 2010-12-13 | ||
| PCT/JP2011/078187 WO2012081451A1 (en) | 2010-12-13 | 2011-12-06 | Optical fibre cutting device and optical fibre cutting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102958654A CN102958654A (en) | 2013-03-06 |
| CN102958654B true CN102958654B (en) | 2016-12-14 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3015645B1 (en) * | 1980-04-23 | 1981-04-02 | Siemens AG, 1000 Berlin und 8000 München | Breaking device for fiber optic cables |
| US4790465A (en) * | 1986-05-09 | 1988-12-13 | York Technology Limited | Cleaving optical fibers |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3015645B1 (en) * | 1980-04-23 | 1981-04-02 | Siemens AG, 1000 Berlin und 8000 München | Breaking device for fiber optic cables |
| US4790465A (en) * | 1986-05-09 | 1988-12-13 | York Technology Limited | Cleaving optical fibers |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20181206 |