CN102841415B - Switching device and switching method for fiber optic micro cable of underwater robot - Google Patents
Switching device and switching method for fiber optic micro cable of underwater robot Download PDFInfo
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- CN102841415B CN102841415B CN201110169618.7A CN201110169618A CN102841415B CN 102841415 B CN102841415 B CN 102841415B CN 201110169618 A CN201110169618 A CN 201110169618A CN 102841415 B CN102841415 B CN 102841415B
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Abstract
The invention belongs to the field of fiber optic micro cables of underwater robots, and particularly relates to a switching device and a switching method for a fiber optic micro cable of an underwater robot. The switching device comprises cone dies and a main cavity die, wherein the cone dies are arranged at two ends of the main cavity die respectively; a main fiber optic micro cable is switched with another section of fiber optic micro cable through a fiber optic switching terminal; the main fiber optic micro cable and a tail optical fiber which are fused are accommodated in the main cavity die and the cone die; and sealants are respectively filled between the main fiber optic micro cable and the tail optical fiber as well as between the main cavity die and the cone dies. The switching method comprises the following steps: carrying out fusion treatment on the main fiber optic micro cable led from an airtight cabin or fiber optic receiving/transmitting device and the tail optical fiber containing the fiber optic switching terminal by a fiber optic melting machine so as to realize the fusion of fiber cores of two sections of optical fibers; under the assistance of the die, filling the sealants between the main fiber optic micro cable and the tail optical fiber; fusing the fiber cores as well as wrapping and sealing the edges of the fiber optic micro cable and the tail optical fiber; and standing the sealed article in air for half an hour and fusing to form a whole. The switching device and the switching method disclosed by the invention have the advantages of flexibility in splitting, reliability in sealing, simpleness in operation and the like.
Description
Technical field
The invention belongs to micro optic fiber cable of underwater vehicles field, specifically a kind of micro optic fiber cable of underwater vehicles switching device and forwarding method thereof.
Background technology
The plurality of advantages such as optical fiber communication has bandwidth, loss is low, volume is little, lightweight, antijamming capability is strong, fidelity is high, anticorrosive, are more and more widely used in a lot of fields.In recent years, Fibre Optical Communication Technology is the real-time information transmission of robot under water, as: huge effect has been brought into play in the aspects such as image transmitting and command download, has further expanded the application of underwater robot.In order to improve the real-time Transmission ability that carries the real-time handling of energy type underwater robot and image, data, by a very thin micro optic fiber cable, underwater robot is connected and is integral with water surface control module, become the technological means that many novel underwater robots adopt both at home and abroad, the underwater robot that carries the micro-cable of simple optical fiber relies on its efficient operating efficiency and combination property, has developed into gradually a kind of underwater robot with broad prospect of application.Than the heaving pile of traditional remote underwater robot, the wire diameter of micro optic fiber cable is thin, lightweight, quality is soft, and therefore, the underwater robot extension and retraction system based on micro optic fiber cable is all reducing aspect size and weight greatly; Meanwhile, micro optic fiber cable also reduces greatly on the impact of underwater robot carrier movement scope, headway and maneuverability.Consideration for cost angle, between micro optic fiber cable and underwater robot pressurized capsule, the fillers that adopt extrusion type sealed more, be proven that sealing mode is with low cost and sealing is reliable, but sealing mode makes the optical fiber draw off gear on underwater robot and the water surface bundle and cannot depart from flexibly, to operation under transportation, equipment transhipment and the underwater robot autonomous mode of system, brought inconvenience; While is due to the design feature of micro optic fiber cable itself, crush seal can guarantee the sealing between micro optic fiber cable and pressurized capsule, but cannot tackle the pressurized capsule seepy question that micro optic fiber cable may cause due to the micro optic fiber cable inside infiltration that oversheath damage brings, have certain security hidden danger.
The mode the most direct addressing the above problem is exactly under water in robot frame protection domain, realizes micro optic fiber cable that pressurized capsule end draws and the enclosure-type switching between the outer micro optic fiber cable of introducing of carrier.Current, the enclosure-type switching of above-mentioned micro optic fiber cable under water can realize by the optical fiber watertight connector that uses specialty to customize, yet this kind of connector is expensive, and the customization cycle is indefinite, is unfavorable for universal use; Utilize optic fibre switching pressurized capsule, by two sections of optical fiber, in pressurized capsule, realize switching and also can realize above-mentioned purpose, but the method need seal respectively at introducing pressurized capsule place two sections of optical fiber, its hermetically-sealed construction is more complicated, and in the method, the switch over operation of optical fiber is loaded down with trivial details, performing step is complicated, can not meet the site work requirement of underwater robot fast and flexible, has reduced the operating efficiency of whole system.
Summary of the invention
For the inconvenience that adopts filler crush seal micro optic fiber cable to bring underwater robot operation and transport point, and the security potential problem such as may leak due to the pressurized capsule that micro optic fiber cable oversheath damage brings, the object of the present invention is to provide a kind of safe and reliable micro optic fiber cable of underwater vehicles switching device and forwarding method thereof.
The object of the invention is to be achieved through the following technical solutions:
Switching device of the present invention comprises cone mould and main cavity mould, and wherein the two ends of main cavity mould are respectively equipped with a cone mould; The micro-cable of main fiber is sealedly attached to pressurized capsule or optical fiber draw off gear as its one end of micro optic fiber cable of one section, the other end with the tail optical fiber of optic fibre switching terminal, fuse, form fibre core and fuse, the micro-cable of described main fiber is transferred by the optic fibre switching terminal micro optic fiber cable identical with another segment structure; The micro-cable of main fiber fusing and tail optical fiber are placed in main cavity mould and cone mould, between the micro-cable of main fiber and tail optical fiber and main cavity mould and cone mould, are filled with fluid sealant.
Wherein: between described main cavity mould and cone mould and the micro-cable of main fiber and tail optical fiber, be equipped with barrier film; The rectangular parallelepiped that described main cavity mould is bar shaped, upper surface is along its length provided with deep-slotted chip breaker; Described cone mould is cylinder head bolt shape, and inner hollow axially has gap along it, the seam that one end of cone mould is socket cap, and the inwall of the other end is the conical surface.
Forwarding method of the present invention is: the micro-cable of main fiber of being drawn by pressurized capsule or optical fiber draw off gear and the processing that fuses through optical fiber fusion splicing machine with the tail optical fiber of optic fibre switching terminal, and the fibre core of realizing the micro-cable of main fiber and tail optical fiber fuses; Then two cone moulds are introduced by main cavity mould two ends, the micro-cable of the main fiber fusing and tail optical fiber are introduced by cone mould and main cavity mould, again fluid sealant is filled in the cavity being surrounded by cone mould and main cavity mould sufficiently uniformly by main cavity mould, after glue to be sealed fully solidifies, by cone mould and main cavity mould, by peeling off on the fluid sealant solidifying, the micro optic fiber cable of this section has sealed; By same step, complete the micro optic fiber cable sealing of another section, by the optic fibre switching terminal in two sections of independent sealed micro optic fiber cable, realize the switching in underwater environment;
Before the micro-cable of the main fiber fusing and tail optical fiber are introduced by cone mould and main cavity mould, first in cone mould and main cavity mould, spread into barrier film, the internal chamber wall of barrier film and cone mould and main cavity mould is adjacent to, and then the micro-cable of main fiber and the tail optical fiber that fuse are introduced by cone mould and main cavity mould; Cone mould and main cavity mould are by after peeling off on the fluid sealant solidifying, and barrier film close attachment, at the skin of fluid sealant, is repaired smooth by the edge of barrier film;
Described main cavity mould is provided with deep-slotted chip breaker, two cone moulds axially have gap along it, the micro-cable of main fiber and the tail optical fiber that fuse are introduced by the gap on the deep-slotted chip breaker on main cavity mould and cone mould, fibre core fuses the centre position in main cavity mould, and the part that the micro-cable of main fiber and tail optical fiber contain oversheath is simultaneously in main cavity mould;
Described annular seal space is filled evenly and fully, is shelved 20～40 minutes in air, and fluid sealant is fully solidified;
Before the micro-cable of main fiber and tail optical fiber fuse, first the end that fuses of the micro-cable of main fiber and tail optical fiber is carried out to pre-service, by the micro-cable of main fiber and tail optical fiber fuse end peel off preseting length oversheath and with the aramid layers of oversheath corresponding length, expose fiber core, and then utilize optical fiber fusion splicing machine to fuse two sections of fiber cores, obtain fibre core and fuse.
Advantage of the present invention and good effect are:
The present invention mainly, by independent sealed in switching place to two sections of micro optic fiber cable, then utilizes general optic fibre switching terminal to realize the object of micro optic fiber cable switching under water, has the following advantages:
1. switching device of the present invention is simple in structure, fractionation is convenient, good airproof performance.
2. the present invention is by the method for optic fibre switching, make the underwater robot carrier and the optical fiber draw off gear that originally bind together to split flexibly and to combine, its principle of work is simple, the dirigibility of underwater robot operation be can effectively improve, transportation and the management of whole robot system are also convenient to simultaneously.
3. the present invention adopts and seals respectively at optic fibre switching place, the mode of then transferring, there is sealing reliable, compact conformation, the features such as fixed form is flexible, can effectively avoid the micro-cable of carrier infrared optical fiber may cause because of oversheath damage the generation of pressurized capsule drainage, improve the security of underwater robot operation and the reliability of use micro optic fiber cable.
4. the forwarding method of micro optic fiber cable under water of the present invention is simple to operate, easy to maintenance, can complete the making of whole switching device within a short period of time, meets the request for utilization of robot site operation.
5. than the breakout box of micro optic fiber cable under water of specialty customization, the present invention also has with low cost, is easy to the feature that realizes, is convenient to of the present invention universal and apply.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of switching device of the present invention;
Fig. 2 is the cross-sectional profile schematic diagram of micro optic fiber cable;
Fig. 3 is switching device structural representation of the present invention;
Fig. 4 is one of axonometric drawing of mould in switching device of the present invention;
Fig. 5 be mould in switching device of the present invention axonometric drawing two;
Fig. 6 is the structural representation after one section of micro optic fiber cable of the present invention fuses;
Wherein: 1 is oversheath, 2 is aramid layers, and 3 is fiber core, and 4 is the micro-cable of main fiber, 5 is fluid sealant, and 6 for fibre core fuses, and 7 is tail optical fiber, 8 is optic fibre switching terminal, and 9 is cone mould, and 10 is main cavity mould, 11 is barrier film, and 12 is gap, and 13 is underwater robot carrier frame, 14 is optical fiber draw off gear, and 15 is the first micro optic fiber cable, and 16 is the second micro optic fiber cable, 17 is pressurized capsule, and 18 is sealing place, and 19 is deep-slotted chip breaker.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, under water in the scope of robot carrier framework 13 protections, utilize fluid sealant, under sealed mold auxiliary, first micro optic fiber cable 15 of being drawn by underwater robot pressurized capsule 17 and the second micro optic fiber cable 16 of being introduced by optical fiber draw off gear 14 are carried out respectively to encapsulation process, then by optic fibre switching terminal 8, realize the switching of the first micro optic fiber cable 15 and the second micro optic fiber cable 16, i.e. one end of the first micro optic fiber cable 15 and pressurized capsule 17 sealings, form sealing place 18, the other end is transferred by one end of optic fibre switching terminal 8 and the second micro optic fiber cable 16, the other end of the second micro optic fiber cable 16 is connected to optical fiber draw off gear 14.
Micro optic fiber cable of the present invention is applicable to underwater environment, and can bear certain pulling force; Micro optic fiber cable self structure is divided into three layers, and as shown in Figure 2, from-inner-to-outer is followed successively by fiber core 3, aramid layers 2 and oversheath 1.Fiber core 3 is passages of optical signal transmission; aramid layers 2 mainly consists of the aramid fiber of quality softness; mainly bear the pulling force acting in micro optic fiber cable; and play the effect of buffering; to prevent that fiber core 3 is subject to outside impact, oversheath 1 plays the effect of waterproof and protection fiber core 3.
Switching device of the present invention is as shown in Fig. 3～5, comprise cone mould 9, main cavity mould 10 and barrier film 11, main cavity mould 10 is the rectangular parallelepiped of bar shaped, upper surface is along its length provided with deep-slotted chip breaker 19, and (the cross section of main cavity mould 10 in its short transverse is matrix, and the groove of matrix is deep-slotted chip breaker.); Cone mould 9 is that cylinder head bolt shape (is that its axial cross section is T-shape, horizontal edge and the vertical edge of T-shape are cylinder), inner hollow, axially has gap 12 along it, one end of cone mould 9 is the seam of socket cap, and the inwall of the other end is the conical surface; Cone mould 9 is two, is introduced respectively by the two ends of main cavity mould 10.The micro-cable 4 of main fiber is sealedly attached to pressurized capsule 17 or optical fiber draw off gear 14 as its one end of micro optic fiber cable of one section, the other end with the tail optical fiber 7 of optic fibre switching terminal 8, fuse, form fibre core and fuse 6, the micro-cable 4 of described main fiber is transferred by optic fibre switching terminal 8 micro optic fiber cable identical with another segment structure, and the micro-cable 4 of main fiber fusing and tail optical fiber 7 are placed in main cavity mould 10 deep-slotted chip breakers 19 and the inside of cone mould 9.Between the micro-cable 4 of main fiber and tail optical fiber 7 and main cavity mould 10 and cone mould 9, be filled with fluid sealant 5, fluid sealant 5 bodies are packed liquid glue (fluid sealant 5 of the present invention adopts the 3M fluid sealant of Shenzhen Zhen Ji Electronics Co., Ltd.), and in air, solidifiable is solid-state; Fluid sealant 5 when avoiding liquid state is bonded together with cone mould 9 and main cavity mould 10, between main cavity mould 10 and cone mould 9 and the micro-cable 4 of main fiber and tail optical fiber 7, lay one deck barrier film 11, after fluid sealant 5 solidifies, can successfully cone mould 9 and main cavity mould 10 be separated from from the fluid sealant 5 solidifying.Barrier film 11 can close attachment carries out simple repairing in the outer ，Qi of fluid sealant 5 edge can be smooth.
Forwarding method of the present invention:
The switching of micro optic fiber cable under water of the present invention be by optic fibre switching terminal 8 to fetching realization, in order to meet service condition under water, the present invention has carried out the partition processing of enclosure-type near optic fibre switching terminal 8 to micro optic fiber cable, the micro-cable 4 of main fiber of being drawn by pressurized capsule 17 or optical fiber draw off gear end, with the fuse processing of the tail optical fiber 7 that contains optic fibre switching terminal 8 through optical fiber fusion splicing machine, the fibre core of realizing two sections of optical fiber fuses 6; Under mould is auxiliary, fluid sealant 5 is filled between the micro-cable 4 of main fiber and tail optical fiber 7, and fibre core is fused to 6 and the edge environmental sealing of micro optic fiber cable 4 and tail optical fiber 7, and in air, shelving about half an hour is solvable being integrated.Concrete grammar is as follows:
First the end that fuses of the micro-cable 4 of main fiber and tail optical fiber 7 is carried out to pre-service, by the micro-cable 4 of main fiber and tail optical fiber 7 fuse end peel off preseting length oversheath 1 and with the aramid layers 2 of oversheath 1 corresponding length, expose fiber core 3, recycling optical fiber fusion splicing machine fuses two sections of fiber cores 3, obtains fibre core and fuses 6.Then carry out sealant sealing processing, by two cone moulds 9 by the introducing of taking advantage of a situation of the two ends stop portion of main cavity mould 10, as shown in Figure 5, at cone mould 9 with main cavity mould 10 is interior spreads into barrier film 11, barrier film 11 and the internal chamber wall of cone mould 9 and main cavity mould 10 are adjacent to, the micro-cable 4 of the main fiber fusing and tail optical fiber 7 are introduced by the deep-slotted chip breaker 19 on main cavity mould 10 and the gap on cone mould 9 12, guarantee that fibre core fuses 6 centre positions in main cavity mould 10, the part that the micro-cable 4 of main fiber and tail optical fiber 7 contain oversheath 1 is simultaneously in main cavity mould 10, liquid fluid sealant 5 is filled in the cavity being surrounded by cone mould 9 and main cavity mould 10 sufficiently uniformly by deep-slotted chip breaker 19 on main cavity mould 10, make to fill even and abundant, in air, shelve 20～40 minutes (the present embodiment is shelved 30 minutes), fluid sealant 5 is fully solidified.Finally, cone mould 9 and main cavity mould 10, lightly by peeling off on the fluid sealant 5 solidifying, are repaired to the barrier film 11，Jiang Qi edge of adhering on fluid sealant 5 and repaired smoothly, so far the micro optic fiber cable of a section has sealed.By same step, complete the micro optic fiber cable sealing of another section, by the optic fibre switching terminal 8 in two sections of independent sealed micro optic fiber cable, realize the object of transferring in environment under water.
Claims (9)
1. a micro optic fiber cable of underwater vehicles switching device, is characterized in that: comprise cone mould (9) and main cavity mould (10), wherein the two ends of main cavity mould (10) are respectively equipped with a cone mould (9); The micro-cable of main fiber (4) is sealedly attached to pressurized capsule (17) or optical fiber draw off gear (14) as its one end of micro optic fiber cable of one section, the other end with the tail optical fiber (7) of optic fibre switching terminal (8), fuse, form fibre core and fuse (6), the micro-cable of described main fiber (4) is transferred by optic fibre switching terminal (8) micro optic fiber cable identical with another segment structure; The micro-cable of main fiber (4) fusing and tail optical fiber (7) are placed in main cavity mould (10) and cone mould (9), between the micro-cable of main fiber (4) and tail optical fiber (7) and main cavity mould (10) and cone mould (9), are filled with fluid sealant (5); Between described main cavity mould (10) and cone mould (9) and the micro-cable of main fiber (4) and tail optical fiber (7), be equipped with barrier film (11).
2. by micro optic fiber cable of underwater vehicles switching device claimed in claim 1, it is characterized in that: described main cavity mould (10) is the rectangular parallelepiped of bar shaped, and upper surface is along its length provided with deep-slotted chip breaker (19).
3. by micro optic fiber cable of underwater vehicles switching device claimed in claim 1, it is characterized in that: described cone mould (9) is cylinder head bolt shape, and inner hollow, axially has gap (12) along it, the seam that one end of cone mould (9) is socket cap, the inwall of the other end is the conical surface.
4. one kind by the forwarding method of micro optic fiber cable of underwater vehicles switching device described in claim 1, it is characterized in that: the micro-cable of main fiber (4) of being drawn by pressurized capsule (17) or optical fiber draw off gear (14) and the processing that fuses through optical fiber fusion splicing machine with the tail optical fiber (7) of optic fibre switching terminal (8), realize the micro-cable of main fiber (4) and fuse (6) with the fibre core of tail optical fiber (7); Then two cone moulds (9) are introduced by main cavity mould (10) two ends, the micro-cable of the main fiber fusing (4) and tail optical fiber (7) are introduced by cone mould (9) and main cavity mould (10), again fluid sealant (5) is filled in the cavity being surrounded by cone mould (9) and main cavity mould (10) sufficiently uniformly by main cavity mould (10), after glue to be sealed (5) fully solidifies, by cone mould (9) and main cavity mould (10), by peeling off on the fluid sealant solidifying (5), the micro optic fiber cable of this section has sealed; By same step, complete the micro optic fiber cable sealing of another section, by the optic fibre switching terminal (8) in two sections of independent sealed micro optic fiber cable, realize the switching in underwater environment.
5. by forwarding method claimed in claim 4, it is characterized in that: before the micro-cable of the main fiber fusing (4) and tail optical fiber (7) are introduced by cone mould (9) and main cavity mould (10), first in cone mould (9) and main cavity mould (10), spread into barrier film (11), barrier film (11) and the internal chamber wall of cone mould (9) and main cavity mould (10) are adjacent to, and then the micro-cable of main fiber (4) fusing and tail optical fiber (7) are introduced by cone mould (9) and main cavity mould (10).
6. by forwarding method claimed in claim 5, it is characterized in that: cone mould (9) and main cavity mould (10) are by after peeling off on the fluid sealant solidifying (5), barrier film (11) close attachment, at the skin of fluid sealant (5), is repaired smooth by the edge of barrier film (11).
7. by the forwarding method described in claim 4 or 5, it is characterized in that: described main cavity mould (10) is provided with deep-slotted chip breaker (19), two cone moulds (9) axially have gap (12) along it, the micro-cable of main fiber (4) fusing and tail optical fiber (7) are introduced by the deep-slotted chip breaker (19) on main cavity mould (10) and the gap (12) on cone mould (9), fibre core fuses (6) centre position in main cavity mould (10), and the part that the micro-cable of main fiber (4) and tail optical fiber (7) contain oversheath (1) is simultaneously in main cavity mould (10).
8. by the forwarding method described in claim 4 or 5, it is characterized in that: described fluid sealant (5) is filled evenly and fully, shelved 20～40 minutes in air, and fluid sealant (5) is fully solidified.
9. by the forwarding method described in claim 4 or 5, it is characterized in that: before the micro-cable of main fiber (4) and tail optical fiber (7) fuse, first the end that fuses of the micro-cable of main fiber (4) and tail optical fiber (7) is carried out to pre-service, by the micro-cable of main fiber (4) and tail optical fiber (7) fuse end peel off preseting length oversheath (1) and with the aramid layers (2) of oversheath (1) corresponding length, expose fiber core (3), and then utilize optical fiber fusion splicing machine to fuse two sections of fiber cores (3), obtain fibre core and fuse (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110169618.7A CN102841415B (en) | 2011-06-22 | 2011-06-22 | Switching device and switching method for fiber optic micro cable of underwater robot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110169618.7A CN102841415B (en) | 2011-06-22 | 2011-06-22 | Switching device and switching method for fiber optic micro cable of underwater robot |
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| CN102841415A CN102841415A (en) | 2012-12-26 |
| CN102841415B true CN102841415B (en) | 2014-03-12 |
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| CN201110169618.7A Active CN102841415B (en) | 2011-06-22 | 2011-06-22 | Switching device and switching method for fiber optic micro cable of underwater robot |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109927865B (en) * | 2019-01-04 | 2021-05-07 | 北京安广信息技术有限责任公司 | External driving control operation method for underwater machine |
| CN111766668A (en) * | 2020-07-27 | 2020-10-13 | 昂纳信息技术（深圳）有限公司 | Tail fiber protection method and protection device thereof |
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| CN101533132A (en) * | 2008-03-10 | 2009-09-16 | 日立电线株式会社 | Optical connector |
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2011
- 2011-06-22 CN CN201110169618.7A patent/CN102841415B/en active Active
Patent Citations (5)
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| US5349916A (en) * | 1993-09-13 | 1994-09-27 | The United States Of America As Represented By The Secretary Of The Navy | System for effecting underwater coupling of optical fiber cables characterized by a novel pod-to-vehicle interlock |
| CN1308733A (en) * | 1998-07-06 | 2001-08-15 | 博克汉姆技术股份有限公司 | A hermetically sealed package and method of assembly |
| CN101533132A (en) * | 2008-03-10 | 2009-09-16 | 日立电线株式会社 | Optical connector |
| CN201413406Y (en) * | 2009-03-31 | 2010-02-24 | 中航光电科技股份有限公司 | Fused tapered optical fiber coupler |
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