CN106990486A - A kind of underwater optical fibre snap joint and its application - Google Patents
A kind of underwater optical fibre snap joint and its application Download PDFInfo
- Publication number
- CN106990486A CN106990486A CN201710396916.7A CN201710396916A CN106990486A CN 106990486 A CN106990486 A CN 106990486A CN 201710396916 A CN201710396916 A CN 201710396916A CN 106990486 A CN106990486 A CN 106990486A
- Authority
- CN
- China
- Prior art keywords
- joint
- underwater
- optical fibre
- pin end
- screw thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3816—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres for use under water, high pressure connectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3894—Screw-lock type
Abstract
The invention discloses a kind of underwater optical fibre snap joint and application, underwater optical fibre snap joint includes pin end and female joint;The pin end includes the erection joint (1) that rear end is provided with the first external screw thread (11);The female joint includes set core (5), and the rear end of set core (5) is connected with flexible pipe (9) by anchor ear (10);The leading inside for covering core (5) is provided with fiber coupler (7), and the front end outer side of set core (5) is provided with attaching nut (4);Erection joint (1) front end is provided with the second external screw thread (12) being engaged with attaching nut (4).Cost of the present invention is relatively low, compact conformation, reduces joint installing space;The present invention is provided with multi-sealing structure, and safe and reliable, convenient disassembly makes to connect more convenient with signal transmission between optical fiber.
Description
Technical field
The present invention relates to a kind of underwater optical fibre snap joint and its application, the optical fiber between particularly a kind of underwater installation is fast
Quick coupling and its application.
Background technology
Underwater optical fibre snap joint is a kind of for subsurface communication Transmission system, is widely used in underwater robot ROV.Water
When lower robot works in water, water surface unit realizes the manipulation to robot by fiber optic communication, and robot is in Shui Zhongguan
The environment examined and under water depth highly etc. feed back to water surface one side by optical fiber transmission, realize human-computer exchange.Optical fiber
Transmission has bandwidth, and message capacity is big, it is low to be lost, and repeater span length, anti-electromagnetic interference capability be strong, without cross-talk, secrecy
The series of advantages such as the good, line footpath of property is thin, lightweight, soft, application field is more and more extensive.
The problem of being used for and first have to solve under water optical fiber is how to carry out the sealing problem of optical fiber, it is ensured that underwater circuit
System is safe and reliable.The underwater optical fibre joint that uses both at home and abroad is mainly the armored fiber optic wire jumper through over cure at present, cost into
This costliness, the order cycle time is long, and joint installing space is big, influences ROV integral layout.
The content of the invention
It is an object of the present invention to provide a kind of underwater optical fibre snap joint.Compact conformation of the present invention, sealed reliable, make
Connection and signal transmit more convenient between optical fiber.
Technical scheme:A kind of underwater optical fibre snap joint and its application, including pin end and female joint;It is described
Pin end includes rear end and is provided with the first externally threaded erection joint;The female joint includes set core, and the rear end of set core passes through anchor ear
It is connected with flexible pipe;The leading inside for covering core is provided with fiber coupler, and the front end outer side of set core is provided with attaching nut;Before erection joint
End is provided with the second external screw thread being engaged with attaching nut.
In a kind of foregoing underwater optical fibre snap joint, the first externally threaded bottom of the erection joint is close provided with first
Seal.
In a kind of foregoing underwater optical fibre snap joint, the set core front end outer side is provided with the second sealing ring.
In a kind of foregoing underwater optical fibre snap joint, second external screw thread is trapezoidal thread.
In a kind of foregoing underwater optical fibre snap joint, the fiber coupler is FC circular flange couplers.
A kind of application of foregoing underwater optical fibre snap joint, first sets the first optical patchcord in pin end, is connect in mother
Second optical patchcord is set in the flexible pipe of head;Then pin end rear end and underwater installation are tightly connected;Finally by the first optical fiber
Wire jumper and the second optical patchcord are connected by fiber coupler, and form sealing by the docking of pin end and female joint.
A kind of application of foregoing underwater optical fibre snap joint, the pin end with the first optical patchcord is connect by installing
The first external screw thread on head is tightened on underwater installation, and the first sealing ring of extruding formation first is sealed;Then by the second light
Fine wire jumper is inserted into connection fastening in fiber coupler, and flexible pipe is nested on core and holds tightly to form the second sealing by anchor ear;
Finally pin end and female joint are docked, the first optical patchcord of pin end is inserted into the fiber coupler of female joint
It is interior, optical fiber transmission connection is realized, while the set core of female joint is inserted into the erection joint of pin end, passes through the second sealing cast
Into the 3rd sealing, the attaching nut of female joint is screwed into the erection joint of pin end, the connection fastening of pin and box sub is realized.
Compared with prior art, cost of the present invention is relatively low, compact conformation, reduces joint installing space;The present invention is provided with
Multi-sealing structure, safe and reliable, convenient disassembly makes to connect more convenient with signal transmission between optical fiber.
Brief description of the drawings
Fig. 1 is the structural representation of the female joint of the present invention;
Fig. 2 is the structural representation of the pin end of the present invention;
Fig. 3 is the concrete application schematic diagram of the present invention.
Mark in accompanying drawing for:1- erection joints, the sealing rings of 2- first, the optical patchcords of 3- first, 4- attaching nut, 5- sets
Core, the sealing rings of 6- second, 7- fiber couplers, the optical patchcords of 8- second, 9- flexible pipes, 10- anchor ears, the external screw threads of 11- first, 12-
Second external screw thread, 13- electronic compartments, 14- wiring cabin.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment:A kind of underwater optical fibre snap joint and its application, are constituted as shown in Figure 1 to Figure 3, including pin end and mother
Joint;The pin end includes the erection joint 1 that rear end is provided with the first external screw thread 11;The female joint includes set core 5, covers core 5
Rear end flexible pipe 9 is connected with by anchor ear 10;The leading inside for covering core 5 is provided with fiber coupler 7, and the front end outer side of set core 5 is set
There is attaching nut 4;The front end of erection joint 1 is provided with the second external screw thread 12 being engaged with attaching nut 4.
The bottom of first external screw thread 11 of the erection joint 1 is provided with the first sealing ring 2.
Set core 5 front end outer side is provided with the second sealing ring 6.
Second external screw thread 12 is trapezoidal thread.
The fiber coupler 7 is FC circular flange couplers.
A kind of application of foregoing underwater optical fibre snap joint, first sets the first optical patchcord 3 in pin end, is connect in mother
Second optical patchcord 8 is set in the flexible pipe 9 of head;Then pin end rear end and underwater installation are tightly connected;Finally by the first light
The fine optical patchcord 8 of wire jumper 3 and second is connected by fiber coupler 7, and forms sealing by the docking of pin end and female joint.
The application of foregoing a kind of underwater optical fibre snap joint, by the pin end with the first optical patchcord 3 by installing
The first external screw thread 11 on joint 1 is tightened on underwater installation (such as underwater electronic compartment 13 or electronic compartment 14), extruding first
The formation of sealing ring 2 first is sealed;Then the second optical patchcord 8 is inserted into connection in fiber coupler 7 to fasten, by 9 sets of flexible pipe
Enter to hold tightly by anchor ear 10 onto set core 5 and form the second sealing;Finally pin end and female joint are docked, by pin end
First optical patchcord 3 is inserted into the fiber coupler 7 of female joint, optical fiber transmission connection is realized, while the set core 5 of female joint is inserted
Enter into the erection joint 1 of pin end, sealed by the second sealing ring 6 formation the 3rd, the attaching nut 4 of female joint is screwed into public affairs
In the erection joint 1 of joint, the connection fastening of pin and box sub is realized.
The concrete application (connection in electronic compartment 13 and wiring cabin 14) of above-described embodiment.
Two pin ends with the first optical patchcord 3 are tightened respectively by the first external screw thread 11 in erection joint 1
It is fixed on underwater electronic compartment 13 and electronic compartment 14, extruding the first sealing ring 2 formation sealing;Then by the second optical patchcord 8
One end is connected in the female joint with fiber coupler 7 and is connected through a screw thread fastening, and flexible pipe 9 is nested on core 5 and passed through
Anchor ear 10 is held tightly, and the other end of the second optical patchcord 8 is also connected in another band fiber coupler 7 and is connected through a screw thread
Fastening, is held tightly by anchor ear 10 and forms sealing;Finally two pin ends and two female joints are docked respectively, by pin end
The first optical patchcord 3 be inserted into the fiber coupler 7 of female joint, realize optical fiber transmission connection, while the set core 5 of female joint
It is inserted into the erection joint 1 of pin end, is sealed by the formation of the second sealing ring 6, the attaching nut 4 of female joint is screwed into public access
In the erection joint 1 of head, the connection fastening of pin and box sub is realized.
Claims (7)
1. a kind of underwater optical fibre snap joint, it is characterised in that:Including pin end and female joint;The pin end is set including rear end
There is the erection joint (1) of the first external screw thread (11);The female joint includes set core (5), and the rear end of set core (5) passes through anchor ear (10)
It is connected with flexible pipe (9);The leading inside for covering core (5) is provided with fiber coupler (7), and the front end outer side of set core (5) is provided with connection spiral shell
Female (4);Erection joint (1) front end is provided with the second external screw thread (12) being engaged with attaching nut (4).
2. a kind of underwater optical fibre snap joint according to claim 1, it is characterised in that:The of the erection joint (1)
The bottom of one external screw thread (11) is provided with the first sealing ring (2).
3. a kind of underwater optical fibre snap joint according to claim 1, it is characterised in that:Described set core (5) front end outer side
Provided with the second sealing ring (6).
4. a kind of underwater optical fibre snap joint according to claim 1, it is characterised in that:Second external screw thread (12) is
Trapezoidal thread.
5. a kind of underwater optical fibre snap joint according to claim 1, it is characterised in that:The fiber coupler (7) is
FC circular flange couplers.
6. a kind of application of underwater optical fibre snap joint according to claim any one of 1-5, it is characterised in that:First in public affairs
First optical patchcord (3) is set in joint, the second optical patchcord (8) is set in the flexible pipe (9) of female joint;Then by pin end
Rear end is tightly connected with underwater installation;The first optical patchcord (3) and the second optical patchcord (8) are finally passed through into fiber coupler
(7) connect, and sealing is formed by the docking of pin end and female joint.
7. a kind of application of underwater optical fibre snap joint according to claim 6, it is characterised in that:The first optical fiber will be carried
The pin end of wire jumper (3) is tightened on underwater installation by the first external screw thread (11) in erection joint (1), extruding first
Sealing ring (2) formation first is sealed;Then the second optical patchcord (8) is inserted into connection in fiber coupler (7) to fasten, will be soft
Pipe (9), which is nested on core (5) to hold tightly by anchor ear (10), forms the second sealing;Finally by pin end and female joint progress pair
Connect, in the fiber coupler (7) that the first optical patchcord (3) of pin end is inserted into female joint, realize optical fiber transmission connection, together
When female joint set core (5) be inserted into the erection joint (1) of pin end, pass through the second sealing ring (6) formation the 3rd and seal, will
The attaching nut (4) of female joint is screwed into the erection joint (1) of pin end, realizes the connection fastening of pin and box sub.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710396916.7A CN106990486A (en) | 2017-05-31 | 2017-05-31 | A kind of underwater optical fibre snap joint and its application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710396916.7A CN106990486A (en) | 2017-05-31 | 2017-05-31 | A kind of underwater optical fibre snap joint and its application |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106990486A true CN106990486A (en) | 2017-07-28 |
Family
ID=59421335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710396916.7A Pending CN106990486A (en) | 2017-05-31 | 2017-05-31 | A kind of underwater optical fibre snap joint and its application |
Country Status (1)
Country | Link |
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CN (1) | CN106990486A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203589335U (en) * | 2013-11-30 | 2014-05-07 | 中国科学院沈阳自动化研究所 | Watertight coaxial connector |
CN203759311U (en) * | 2014-02-25 | 2014-08-06 | 扬州瑞威光电科技有限公司 | Dustproof optical fiber patch cord |
CN204536600U (en) * | 2015-03-23 | 2015-08-05 | 宁波吉品科技股份有限公司 | A kind of water proof type fiber active linker |
CN204536601U (en) * | 2015-03-23 | 2015-08-05 | 宁波吉品科技股份有限公司 | A kind of plug of water proof type fiber active linker |
US20160062045A1 (en) * | 2014-08-26 | 2016-03-03 | Commscope Technologies Llc | Sealing unit for fiber optic interconnections |
CN206960723U (en) * | 2017-05-31 | 2018-02-02 | 国家电网公司 | Underwater optical fibre snap joint |
-
2017
- 2017-05-31 CN CN201710396916.7A patent/CN106990486A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203589335U (en) * | 2013-11-30 | 2014-05-07 | 中国科学院沈阳自动化研究所 | Watertight coaxial connector |
CN203759311U (en) * | 2014-02-25 | 2014-08-06 | 扬州瑞威光电科技有限公司 | Dustproof optical fiber patch cord |
US20160062045A1 (en) * | 2014-08-26 | 2016-03-03 | Commscope Technologies Llc | Sealing unit for fiber optic interconnections |
CN204536600U (en) * | 2015-03-23 | 2015-08-05 | 宁波吉品科技股份有限公司 | A kind of water proof type fiber active linker |
CN204536601U (en) * | 2015-03-23 | 2015-08-05 | 宁波吉品科技股份有限公司 | A kind of plug of water proof type fiber active linker |
CN206960723U (en) * | 2017-05-31 | 2018-02-02 | 国家电网公司 | Underwater optical fibre snap joint |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170728 |
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RJ01 | Rejection of invention patent application after publication |