CN102540371B - Underwater one-to-many composite optical cable branching device - Google Patents

Underwater one-to-many composite optical cable branching device Download PDF

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Publication number
CN102540371B
CN102540371B CN201210046790.8A CN201210046790A CN102540371B CN 102540371 B CN102540371 B CN 102540371B CN 201210046790 A CN201210046790 A CN 201210046790A CN 102540371 B CN102540371 B CN 102540371B
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composite cable
end cap
trunk
corrosion
sulfuration
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CN102540371A (en
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叶杨高
朱家远
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CETC 8 Research Institute
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CETC 8 Research Institute
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Abstract

The invention discloses an underwater one-to-many composite optical cable branching device, comprising a corrosion-resistant barrel, wherein the left end and the right end of the corrosion-resistant barrel are respectively correspondingly provided with a left end cover and a right end cover which are connected in a sealing manner, the left end cover is provided with a plurality of vulcanization sealing branch end connectors which are connected in the sealing manner, the right end cover is provided with a vulcanization sealing trunk end connector which is connected in the sealing manner, the corrosion-resistant barrel is internally provided with an inner barrel, the left end and the right end of the inner barrel are respectively correspondingly fixed and matched with the left end cover and the right end cover, the inner barrel is internally fixedly provided with an optical fiber branching device, a trunk wiring terminal of the optical fiber branching device is coupled with the vulcanization sealing trunk end connector, the branching terminal of the optical fiber branching device is respectively correspondingly coupled with the vulcanization sealing branch end connector, the right end cover is provided with a glue injecting hole, the glue injecting hole is provided with a matched plug, the corrosion-resistant barrel is filled with waterproof gel, the vulcanization sealing trunk end connector is sheathed with a locking nut, and the locking nut is connected with the corrosion-resistant barrel in the sealing manner. The underwater one-to-many composite optical cable branching device disclosed by the invention can implement one-to-many distribution and has a good water pressure sealing effect.

Description

Composite cable splitter more than one point under water
Technical field
The present invention relates to a kind of optical fiber networking equipment, relate in particular to one composite cable splitter more than a point under water.
Background technology
Because undersea detection, underwater operation platform offshore cardinal distance are from away from more and more, also become increasingly complex, the existing demand that can not meet use by networkings such as twisted-pair feeder, concentric cable, all be restricted at transmission range, front end data flow and underwater complex environment, it is the technology " bottleneck " of network Development under water, and optical fiber has the features such as wide, the anti-electromagnetic interference (EMI) of fibre ribbon and long transmission distance, be conventional wires networking upgrading products.Optical fiber networking is under water that recent years has just risen system, forms multiple network nodes under water by composite cable splitter in networking, has greatly expanded networking spatial area and distance.China has wide ocean, hydrospace detection has become national development important step, China shore line country coast defence construction simultaneously is also being greatly developed period, universal and the Metropolitan Area Network (MAN) of Internet, a large amount of construction and the dilatation of Access Network, in addition people are more and more urgent to the demand of information, also increasing to the requirement of quantity of information, and miscellaneous service amount increases exponentially, particularly between island and island, island and central communication hinge, communicate by letter, for composite cable splitter provides the space of use.
Underwater optical cable branch often adopts in two ways at present, and the one, utilize extra large cable connector box to connect, it is that optical fiber in the cable of two ends is docked, which is single to single structure pattern in order to complete; The 2nd, adopt the method for land networking, by utilizing on land the communication multiple connection that completes fiber optic splitter in joint cabin, being connected in front end basic matrix by composite cable.
But, if adopt existing extra large cable connector box to connect, can only be one-in-and-one-out, can not realize one-to-many structure, can not load fiber optic splitter module; And adopt land joint cabin structure, though can load fiber optic splitter module, when it uses under water, sealing cannot satisfy the demands, once infiltration, can cause crushing blow to front-end equipment, seawater, even likely along composite rope infiltration, causes whole system to lose efficacy.
Summary of the invention
The object of the present invention is to provide a kind of good seal performance and can realize the composite cable composite cable splitter more than a point under water more than a point under water.
For achieving the above object, the invention provides one composite cable splitter more than a point under water, comprise corrosion-resistant cylindrical shell, the two ends, left and right of described corrosion-resistant cylindrical shell are the corresponding left end cap and the right end cap that are tightly connected of being provided with respectively, the sulfuration sealing branch end joint that several are tightly connected is installed on described left end cap, the one sulfuration sealing trunk end connector being tightly connected is installed on described right end cap, in described corrosion-resistant cylindrical shell, be provided with inner barrel, difference correspondence and described left end cap and the described right end cap secure fit at the two ends, left and right of described inner barrel, in described inner barrel, be installed with optical fiber splitter, the trunk terminals of described optical fiber splitter and the coupling of described sulfuration sealing trunk end connector, corresponding and the described sulfuration sealing branch end joint coupling respectively of the branch connection end of described optical fiber splitter, on described right end cap, have hole for injecting glue, the plug of cooperation is housed in described hole for injecting glue, described corrosion-resistant cylindrical shell, in the cavity that described left end cap and described right end cap surround, fill full waterproof gel, on described sulfuration sealing trunk end connector, cover has set nut, the neighboring of described set nut and described corrosion-resistant cylindrical shell is tightly connected.
Composite cable splitter more than one point under water of the present invention, each described sulfuration sealing branch end joint comprises the first shell being tightly connected with the right-hand member of described left end cap, the left end of described the first shell is provided with taper tail cover, reserved branch composite cable is from right to left successively through described the first shell and described taper tail cover, in described the first shell, be provided with the first annular boss, the first plunger being enclosed within on described reserved branch composite cable is installed on the left side of described the first annular boss, the left end of described the first plunger is provided with the first cushion block being enclosed within on described reserved branch composite cable, described taper tail cover coordinates described the first plunger of compression and described the first cushion block with described the first annular boss, on the outside surface of described the first shell and described taper tail cover, be laid with the first sulfuration sealant.
Composite cable splitter more than one point under water of the present invention, described sulfuration sealing trunk end connector comprises the second housing being tightly connected with described right end cap, the left side of described second housing is provided with the frustoconical center pit that outer imperial palace is little, the butt hollow cone of cooperation is installed in described frustoconical center pit, the right-hand member of described second housing is provided with the second tail cover, reserved trunk composite cable is from left to right successively through described butt hollow cone, described second housing and described the second tail cover, the aramid fiber of described reserved trunk composite cable is evenly bonded on the conical surface that described frustoconical center pit forms on described second housing according to direction of lay, and clamped by described butt hollow cone and described frustoconical center pit, in described second housing, be provided with the second annular boss, the second plunger being enclosed within on described reserved trunk composite cable is installed on the right side of described the second annular boss, the right-hand member of described the second plunger is provided with the second cushion block being enclosed within on described reserved trunk composite cable, described the second tail cover coordinates described the second plunger of compression and described the second cushion block with described the second annular boss, described second housing and the outer second sulfuration sealant that is laid with of described two tail cover.
Composite cable splitter more than one point under water of the present invention, the angle between the bus of described butt hollow cone and its axis is 6 ° to 8.5 °.
Composite cable splitter more than one point under water of the present invention, has the first sulfuration on the outside surface of described the first shell and described taper tail cover and reinforces groove, has the second sulfuration and reinforce groove on described second housing and described two tail cover outside surfaces.
Composite cable splitter more than one point under water of the present invention, is tightly connected by sheep eye screw between described left end cap and described corrosion-resistant cylindrical shell, and described set nut is provided with suppending hole.
Composite cable splitter more than one point under water of the present invention comprises corrosion-resistant cylindrical shell, the two ends, left and right of corrosion-resistant cylindrical shell are the corresponding left end cap and the right end cap that are tightly connected of being provided with respectively, the sulfuration sealing branch end joint that several are tightly connected is installed on left end cap, the one sulfuration sealing trunk end connector being tightly connected is installed on right end cap, in corrosion-resistant cylindrical shell, be provided with inner barrel, difference correspondence and left end cap and the right end cap secure fit at the two ends, left and right of inner barrel, in inner barrel, be installed with optical fiber splitter, the trunk terminals of optical fiber splitter and the coupling of sulfuration sealing trunk end connector, the branch connection end of optical fiber splitter is corresponding respectively seals the coupling of branch end joint with sulfuration, on right end cap, have hole for injecting glue, the plug of cooperation is housed in hole for injecting glue, corrosion-resistant cylindrical shell, in the cavity that left end cap and right end cap surround, fill full waterproof gel, on sulfuration sealing trunk end connector, cover has set nut, the neighboring of set nut and corrosion-resistant cylindrical shell is tightly connected, thereby realize under water more than a point of composite cable, ensure again the water-pressure sealed effect of whole splitter.
Brief description of the drawings
Fig. 1 is that the master of composite cable splitter more than a point under water of the present invention looks cut-open view.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail:
Shown in figure 1, the composite cable splitter more than one point under water of the present embodiment comprises corrosion-resistant cylindrical shell 1, the two ends, left and right of corrosion-resistant cylindrical shell 1 are the corresponding left end cap 2 and the right end cap 3 that are tightly connected of being provided with respectively, wherein, between left end cap 2 and corrosion-resistant cylindrical shell 1, be tightly connected by sheep eye screw, right end cap 3 is arranged at corrosion-resistant cylindrical shell 1 inwall right-hand member, three sulfuration sealing branch end joints 4 that are tightly connected are installed on left end cap 2, the one sulfuration sealing trunk end connector 5 being tightly connected is installed on right end cap 3, in corrosion-resistant cylindrical shell 1, be provided with inner barrel 6, and left end cap 2 and right end cap 3 secure fit corresponding by pin respectively at the two ends, left and right of inner barrel 6, prevent that it from relatively rotating, optical fiber splitter 7 is housed on the inwall of inner barrel 6, the trunk terminals of optical fiber splitter 7 are coupled with sulfuration sealing trunk end connector 5, the branch connection end of optical fiber splitter 7 is corresponding to be respectively coupled with sulfuration sealing branch end joint 4, on right end cap 3, have hole for injecting glue 8, the plug 9 of cooperation is housed in hole for injecting glue 8, corrosion-resistant cylindrical shell 1, in the cavity that left end cap 2 and right end cap 3 surround, fill full waterproof gel 10, on sulfuration sealing trunk end connector 5, cover has set nut 11, set nut 11 is provided with suppending hole 12, set nut 11 is connected with the neighboring sealing thread of corrosion-resistant cylindrical shell 1.Wherein:
Each sulfuration sealing branch end joint 4 comprises the first shell 401 being tightly connected with the right-hand member of left end cap 2, the left end of the first shell 401 is provided with taper tail cover 402, reserved branch composite cable 403 is from right to left successively through the first shell 401 and taper tail cover 402, in the first shell 401, be provided with the first annular boss 404, the first plunger 405 being enclosed within on reserved branch composite cable 403 is installed on the left side of the first annular boss 404, the left end of the first plunger 405 is provided with the first cushion block 406 being enclosed within on reserved branch composite cable 403, taper tail cover 402 coordinates compression the first plunger 405 and the first cushion block 406 with the first annular boss 404, on the outside surface of the first shell 401 and taper tail cover 402, be laid with the first sulfuration sealant 407, for the first sulfuration sealant 407 can be more firmly attached on the first shell 401 and taper tail cover 402, groove 408 is reinforced in the first sulfuration that has several annulars on the outside surface of the first shell 401 and taper tail cover 402.
And sulfuration sealing trunk end connector 5 comprises the second housing 501 being tightly connected with right end cap 3, the left side of second housing 501 is provided with the frustoconical center pit 502 that outer imperial palace is little, the butt hollow cone 503 of cooperation is installed in frustoconical center pit 502, frustoconical center pit 502 forms the nested self-locking structure of Double-conical-surface with butt hollow cone 503, for realizing self-locking, generally, friction factor between related material is not less than 0.15, in the present embodiment, for ensureing enough friction factor, angle between the bus of butt hollow cone 503 and its axis is arbitrary value between 6 ° to 8.5 °, and, the conical surface that frustoconical center pit 502 forms on second housing 501 and the side of butt hollow cone 503 will have certain adhesion, can not be too smooth.The right-hand member of second housing 501 is provided with the second tail cover 504, reserved trunk composite cable 505 is from left to right successively through butt hollow cone 503, second housing 501 and the second tail cover 504, the aramid fiber of reserved trunk composite cable 505 is evenly bonded on the conical surface that frustoconical center pit 502 forms on second housing 501 according to direction of lay, and clamped by butt hollow cone 503 and frustoconical center pit 502, in second housing 501, be provided with the second annular boss 506, the second plunger 507 being enclosed within on reserved trunk composite cable 505 is installed on the right side of the second annular boss 506, the right-hand member of the second plunger 507 is provided with the second cushion block 508 being enclosed within on reserved trunk composite cable 505, the second tail cover 504 coordinates compression the second plunger 507 and the second cushion block 508 with the second annular boss 506, the outer second sulfuration sealant 509 that is laid with of second housing 501 and two tails cover 504.For the second sulfuration sealant 509 can be more firmly attached on second housing 501 and the second tail cover 504, groove 510 is reinforced in the second sulfuration that has several annulars on the outside surface of the first shell 401 and taper tail cover 402.
Known in conjunction with Fig. 1, in above-described embodiment, solidify sealing except vulcanizing sealing and waterproof gel, the sealing of other each junctions, by grommet type seals and or apply anaerobic screw thread glue be sealed and matched, thereby realize multi-layer sealed, thereby, the composite cable splitter more than one point under water of this enforcement can meet water-pressure sealed requirement completely, and it is underwater more than one point that it can not only realize composite cable, also has extraordinary waterproof anti-corrosion effect.
Above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.

Claims (6)

1. a composite cable splitter more than a point under water, it is characterized in that, comprise corrosion-resistant cylindrical shell (1), the two ends, left and right of described corrosion-resistant cylindrical shell (1) are the corresponding left end cap (2) and the right end cap (3) that are tightly connected of being provided with respectively, the sulfuration sealing branch end joint (4) that several are tightly connected is installed on described left end cap (2), the one sulfuration sealing trunk end connector (5) being tightly connected is installed on described right end cap (3), in described corrosion-resistant cylindrical shell (1), be provided with inner barrel (6), difference correspondence and described left end cap (2) and described right end cap (3) secure fit at the two ends, left and right of described inner barrel (6), in described inner barrel (6), be installed with optical fiber splitter (7), the trunk terminals of described optical fiber splitter (7) and described sulfuration sealing trunk end connector (5) coupling, corresponding and described sulfuration sealing branch end joint (4) coupling respectively of the branch connection end of described optical fiber splitter (7), on described right end cap (3), have hole for injecting glue (8), the plug (9) of cooperation is housed in described hole for injecting glue (8), described corrosion-resistant cylindrical shell (1), in the cavity that described left end cap (2) and described right end cap (3) surround, fill full waterproof gel (10), the upper cover of described sulfuration sealing trunk end connector (5) has set nut (11), described set nut (11) is tightly connected with the neighboring of described corrosion-resistant cylindrical shell (1).
2. composite cable splitter more than a point under water according to claim 1, it is characterized in that, each described sulfuration sealing branch end joint (4) comprises the first shell (401) being tightly connected with the right-hand member of described left end cap (2), the left end of described the first shell (401) is provided with taper tail cover (402), reserved branch composite cable (403) is from right to left successively through described the first shell (401) and described taper tail cover (402), in described the first shell (401), be provided with the first annular boss (404), the first plunger (405) being enclosed within on described reserved branch composite cable (403) is installed on the left side of described the first annular boss (404), the left end of described the first plunger (405) is provided with the first cushion block (406) being enclosed within on described reserved branch composite cable (403), described taper tail cover (402) coordinates described the first plunger of compression (405) and described the first cushion block (406) with described the first annular boss (404), on the outside surface of described the first shell (401) and described taper tail cover (402), be laid with the first sulfuration sealant (407).
3. composite cable splitter more than a point under water according to claim 2, it is characterized in that, described sulfuration sealing trunk end connector (5) comprises the second housing (501) being tightly connected with described right end cap (3), the left side of described second housing (501) is provided with the frustoconical center pit (502) that outer imperial palace is little, the butt hollow cone (503) of cooperation is installed in described frustoconical center pit (502), the right-hand member of described second housing (501) is provided with the second tail cover (504), reserved trunk composite cable (505) is from left to right successively through described butt hollow cone (503), described second housing (501) and described the second tail cover (504), the aramid fiber of described reserved trunk composite cable (505) is evenly bonded in described frustoconical center pit (502) on the upper conical surface forming of described second housing (501) according to direction of lay, and clamped by described butt hollow cone (503) and described frustoconical center pit (502), in described second housing (501), be provided with the second annular boss (506), the second plunger (507) being enclosed within on described reserved trunk composite cable (505) is installed on the right side of described the second annular boss (506), the right-hand member of described the second plunger (507) is provided with the second cushion block (508) being enclosed within on described reserved trunk composite cable (505), described the second tail cover (504) coordinates described the second plunger of compression (507) and described the second cushion block (508) with described the second annular boss (506), the outer second sulfuration sealant (509) that is laid with of described second housing (501) and described the second tail cover (504).
4. composite cable splitter more than a point under water according to claim 3, is characterized in that, the angle between bus and its axis of described butt hollow cone (503) is 6 ° to 8.5 °.
5. composite cable splitter more than a point under water according to claim 3, it is characterized in that, on the outside surface of described the first shell (401) and described taper tail cover (402), have the first sulfuration and reinforce groove (408), on described second housing (501) and described the second tail cover (504) outside surface, have the second sulfuration and reinforce groove (510).
6. composite cable splitter more than a point under water according to claim 1, is characterized in that, between described left end cap (2) and described corrosion-resistant cylindrical shell (1), is tightly connected by sheep eye screw, and described set nut (11) is provided with suppending hole (12).
CN201210046790.8A 2012-02-28 2012-02-28 Underwater one-to-many composite optical cable branching device Active CN102540371B (en)

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CN103257418B (en) * 2013-04-15 2016-05-04 绵阳芯联芯通信科技有限公司 A kind of planar optical waveguide splitter and method for packing thereof
EP3111265A1 (en) * 2014-02-25 2017-01-04 Huber & Suhner Ag Cable breakout assemblies and mounting system therefor
WO2015188305A1 (en) * 2014-06-09 2015-12-17 深圳日海通讯技术股份有限公司 Optical splitter used outdoors
CN104216081B (en) * 2014-09-22 2017-01-11 中天科技海缆有限公司 Deep-sea optical cable extrusion molding branch joint box and mounting process thereof
CN108732700B (en) * 2018-05-30 2019-12-31 烽火海洋网络设备有限公司 Submarine optical cable branch unit
CN110231685A (en) * 2019-06-05 2019-09-13 中天宽带技术有限公司 A kind of novel light jumping fiber branch solidification equipment
CN111999836A (en) * 2020-09-21 2020-11-27 四川天邑康和通信股份有限公司 Novel LGX optical splitter
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