CN114114577B - Photoelectric separation device for logging in of sea cable beach - Google Patents
Photoelectric separation device for logging in of sea cable beach Download PDFInfo
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- CN114114577B CN114114577B CN202210068967.8A CN202210068967A CN114114577B CN 114114577 B CN114114577 B CN 114114577B CN 202210068967 A CN202210068967 A CN 202210068967A CN 114114577 B CN114114577 B CN 114114577B
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- cable
- joint box
- box base
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- box shell
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- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4454—Cassettes with splices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Cable Accessories (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The application relates to the technical field of communication, and provides a photoelectric separation device for logging in a beach of a sea cable, which comprises a joint box base, a joint box shell, a buckle and a first heat-shrinkable sleeve, wherein a sealing ring groove is arranged on a first clamping surface of the joint box base, a sealing ring is arranged in the sealing ring groove, the joint box shell is of a barrel-shaped structure with an opening at one end, and the opening of the joint box shell is connected with a second clamping surface of the joint box base in a conical compression mode; the buckle is clamped at the joint of the joint box shell and the joint box base; the first heat-shrinkable sleeve is arranged on the cable at the cable inlet and outlet. In the practical application process, the cable enters the joint box shell through a cable inlet and a cable outlet arranged on the joint box base, a first heat-shrinkable sleeve is arranged on the cable at the cable inlet and the cable outlet for sealing, a sealing ring is arranged in a sealing ring groove of the joint box base, the joint box base is pressed on the joint box shell, and a buckle is arranged at the joint of the joint box shell and the joint box base for fastening.
Description
Technical Field
The application relates to the technical field of communication, especially, relate to a photoelectric separation device that submarine cable beach was logged in.
Background
Submarine optical cable communication systems are responsible for more than 90% of international communication services and are important means and carriers for contemporary international communication. The terminal equipment of the submarine optical cable system and the terminal equipment of the land optical cable system are basically the same in composition and comprise transmission equipment, a digital distribution frame, system management equipment, power supply equipment and the like.
The sea cable need be with light and electricity separation after the beach is logged in, transmit light signal and signal of telecommunication respectively to the terminal equipment of on-shore system, because humidity in the beach is big and often by the sea water submergence, consequently, need set up dedicated photoelectric separation device, with the photoelectric separation who realizes the sea cable, photoelectric separation device need provide the space that a leakproofness is higher and high-voltage insulating properties is excellent, with holding sea cable optic fibre and carrying out butt fusion and coiling with land optical cable optic fibre, guarantee again that the electric current in the sea cable effectively conducts in the land cable.
In the prior art, a novel silica gel sealing ring structure (CN 2120775950U) for an optical cable joint box is disclosed, the joint box which is completed by adopting two-piece type shells is sealed by silica gel sealing strips between an upper box body and a lower box body which form the joint box, the two ends of the joint are an optical cable inlet and an optical cable outlet, and the upper shell and the lower shell are sealed by locking and compressing a silica gel gasket by screws. However, the two-piece type splice closure has a large sealing area of the main housing, and due to the arranged optical cable inlet and outlet and the locking screw, the sealing position is irregular, the sealing effect is affected, and the optical cable splicing device is only arranged, and the photoelectric separation requirement of the submarine cable cannot be met without the photoelectric separation device.
In the prior art, a photoelectric separation device (CN 208314287U) for an underwater connection box is further disclosed, wherein a photoelectric separation cabin is arranged in the middle of the connection box, a submarine cable inlet is arranged at the upper end of the connection box, a polytetrafluoroethylene cushion block and a rubber sealing block are locked and pressed by bolts to realize sealing, and a cable joint at the lower end and an optical cable joint are sealed by watertight joints. Although the connector box of the light separation device has high sealing grade, the sealing device is large in size and high in manufacturing cost, and is not suitable for being applied to the field of submarine cable beach connectors with low sealing requirements.
Disclosure of Invention
In order to provide a photoelectric separation device that leakproofness is higher and high-voltage insulation performance is excellent to at the cable beach department of logging in, realize the photoelectric separation of submarine cable, this application provides a photoelectric separation device that the submarine cable beach was logged in.
The photoelectric separation device for the landing of a submarine cable beach comprises:
the connector box comprises a connector box base, wherein a first clamping surface of the connector box base is provided with a sealing ring groove, a sealing ring is arranged in the sealing ring groove, and the end surface of the connector box base is provided with a plurality of cable inlets and outlets;
the joint box comprises a joint box shell, wherein the joint box shell is of a barrel-shaped structure with an opening at one end, and the opening of the joint box shell is connected with a second clamping surface of a joint box base in a conical compression mode, wherein the first clamping surface is tightly attached to the end surface of the opening of the joint box shell, and the second clamping surface is tightly attached to the inner wall of the opening of the joint box shell;
the buckle is clamped at the joint of the joint box shell and the joint box base;
the first heat-shrinkable sleeve is arranged on the cable at the cable inlet and outlet.
Therefore, in the practical application process, a submarine cable, a land optical cable and a land cable enter the joint box shell through a cable inlet and outlet arranged on the joint box base, a first heat-shrinkable sleeve is arranged on the cable at the cable inlet and outlet for sealing, a sealing ring is arranged in a sealing ring groove of the joint box base, then the joint box base is pressed on the joint box shell, the opening of the joint box shell is connected with the second clamping surface of the joint box base in a conical pressing mode, and a buckle is arranged at the joint of the joint box shell and the joint box base for fastening.
In one implementation, the second engagement surface of the splice enclosure base is a tapered contact surface.
In one implementation, the opening of the closure housing is a trumpet-shaped opening.
Like this, set up to the toper contact surface through the second joint face with the joint box base, perhaps set up the opening of joint box casing into loudspeaker form opening for joint box casing and joint box base joint in-process, along with the deepening of joint degree of depth, joint effort grow, thereby improve the leakproofness, it is concrete, in order to guarantee the biggest joint effect, can also with the internal diameter in the opening outside of joint box casing sets up to being equal to the external diameter in the second joint face outside of joint box base.
In one implementation, the optoelectronic separation device further comprises a hose clamp; the joint box base is also provided with a liner; the throat hoop is used for fixing the cable on the gasket.
In one implementation, the optoelectronic separation device further comprises a fiber optic tray; the joint box base is also provided with a support frame; the optical fiber disc can be clamped with the clamping groove on the supporting frame.
In one implementation, the optoelectronic separation device further comprises an optoelectronic separation assembly; the photoelectric separation assembly comprises two copper sleeves which are respectively arranged on a submarine cable side and a land cable side; the middle of the copper sleeve is provided with a through hole, the side face of the copper sleeve is provided with a set screw, and the end face of the copper sleeve is provided with a connecting hole.
In one implementation, the through hole of the copper sleeve is connected with a cable in a submarine cable or a land cable through a set screw.
In one implementation, the connecting holes of the copper sleeve on the submarine cable side are connected with the connecting holes of the copper sleeve on the terrestrial cable side through high-voltage wires.
In one implementation, the optical fibers in the submarine cable pass through the hollow structure of the copper sleeve to be connected with one end of an optical fiber disc, and the other end of the optical fiber disc is connected with a terrestrial optical cable.
Like this, in actual installation, the copper sheathing at photoelectric separation subassembly both ends overlaps respectively on the copper pipe of submarine cable and land cable to realize the electricity and connect, the high-voltage wire is connected to the copper sheathing's of submarine cable side connecting hole, passes the nonrust steel pipe of optic fibre protection in the middle of the through-hole, paints the hot melt adhesive and uses second heat shrinkage bush pyrocondensation, thereby separates the light path and the circuit in the submarine cable, and the optic fibre is with the protection of PTFE pipe and is gone into in the optic fibre dish and the optical fiber butt fusion of land cable.
According to the technical scheme, the photoelectric separation device for logging in the sea cable beach comprises a joint box base, a joint box shell, a buckle and a first heat-shrinkable sleeve, wherein a sealing ring groove is formed in a first clamping surface of the joint box base, a sealing ring is arranged in the sealing ring groove, and a plurality of cable inlets and outlets are formed in the end surface of the joint box base; the joint box shell is of a barrel-shaped structure with an opening at one end, and the opening of the joint box shell is connected with the second clamping surface of the joint box base in a conical compression mode; the buckle is clamped at the joint of the joint box shell and the joint box base; the first heat-shrinkable sleeve is arranged on the cable at the cable inlet and outlet.
In the practical application process, a submarine cable, a land optical cable and a land cable enter the joint box shell through a cable inlet and outlet arranged on the joint box base, a first heat-shrinkable sleeve is arranged on the cable at the cable inlet and outlet for sealing, a sealing ring is arranged in a sealing ring groove of the joint box base, then the joint box base is pressed on the joint box shell, an opening of the joint box shell is connected with a second clamping surface of the joint box base in a conical pressing mode, and a buckle is arranged at the joint of the joint box shell and the joint box base for fastening.
The utility model provides a pair of photoelectric separation device that sea cable beach was logged in, joint box casing adopt cap type joint box, and adopt the toper to compress tightly the mode between the joint box base and be connected to adopt buckle locking, and combine the design of photoelectric separation subassembly, connect cable and land cable in with the sea cable through the copper sheathing, optic fibre in the sea cable passes the copper sheathing and draws optic fibre and land cable to carry out the butt fusion, realize the photoelectric separation after the sea cable beach is logged in, photoelectric separation device's that the sea cable beach was logged in overall structure is simple, convenient operation, and is sealed and insulating properties is good.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained from the drawings without creative efforts
Fig. 1 is a schematic overall structure diagram of a marine cable beach-entering photoelectric separation apparatus according to an embodiment of the present disclosure;
FIG. 2 is an exploded view of the structure of FIG. 1;
fig. 3 is a schematic view of an internal structure of a marine cable beach-entering optical-electrical separation apparatus according to an embodiment of the present disclosure;
FIG. 4 is an exploded view of an electrical connector of a photovoltaic disconnect assembly provided in accordance with an embodiment of the present application;
FIG. 5 is a schematic diagram illustrating an electrical connector of an optoelectronic separation assembly according to an embodiment of the present disclosure before being heat shrunk;
FIG. 6 is a schematic structural diagram illustrating an electrical connector of a optoelectronic separation assembly according to an embodiment of the present disclosure after being heat shrunk;
fig. 7 is a schematic cross-sectional structure diagram of a photoelectric separation module according to an embodiment of the present disclosure;
fig. 8 is a schematic side view of a marine cable beach entry optical-electrical separation apparatus according to an embodiment of the present invention;
FIG. 9 is a schematic view of the structure of FIG. 8 taken along section A-A;
fig. 10 is a partial schematic structure diagram of the structure of fig. 9.
In the figure:
1-joint box base, 11-sealing ring, 12-cable inlet and outlet, 13-gasket, 14-supporting frame, 15-sealing ring groove, 16-first clamping surface, 17-second clamping surface, 2-joint box shell, 3-buckle, 4-first heat shrinkable tube, 5-throat hoop, 6-optical fiber disc, 7-photoelectric separation component, 71-copper sleeve, 72-through hole, 73-set screw, 74-connecting hole, 8-PTFE tube, 9-second heat shrinkable tube and 101-high voltage wire.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to provide a photoelectric separation device that leakproofness is higher and high-voltage insulation performance is excellent to at the sea cable beach department of logging in, realize the photoelectric separation of sea cable, this application embodiment provides a photoelectric separation device that sea cable beach was logged in, as shown in fig. 1, photoelectric separation device include splice box base 1, and with splice box casing 2 of splice box base 1 joint.
Referring to fig. 2, an exploded view of the structure of fig. 1, referring to fig. 3, is a schematic view of an internal structure of a marine cable beach-entering optical-electrical separation apparatus according to an embodiment of the present disclosure; fig. 8 is a schematic side view of a marine beach entry optical-electrical separation apparatus according to an embodiment of the present application; FIG. 9 is a schematic structural view of section A-A of the structure of FIG. 8; referring to fig. 10, which is a partial structural schematic view of the structure of fig. 9, a sealing ring groove 15 is disposed on a first clamping surface 16 of the joint box base 1, and it should be noted that, in the embodiment of the present application, the clamping surface of the joint box base 1 refers to a contact surface that is in contact with the joint box housing 2 and needs to be sealed, as shown in fig. 10, the clamping surface may include a first clamping surface 16 and a second clamping surface 17, as shown in fig. 10, the first clamping surface 16 is tightly attached to an end surface of the opening of the joint box housing 2, and the second clamping surface 17 is tightly attached to an inner wall of the opening of the joint box housing 2.
In a specific application process, the sealing ring groove 15 may be provided on both the first engaging surface 16 and the second engaging surface 17, or the sealing ring groove 15 may be provided on the first engaging surface 16 or the second engaging surface 17 separately. In the drawings of the embodiments of the present application, only the technical solution of providing the sealing ring groove 15 on the first clamping surface 16 is given, and a similar groove structure may also be provided on the second clamping surface 17 according to actual design requirements, so as to achieve a better sealing effect; a sealing ring 11 is arranged in the sealing ring groove 15, the joint box shell 2 is of a barrel-shaped structure with one open end, i.e., a cap-type closure style, and the opening of the closure housing 2 is connected with the second engagement surface 17 of the closure base 1 in a tapered pressing manner, so that a sufficient sealing effect is provided between the closure housing 2 and the second clamping surface 17, meanwhile, the sealing ring 11 is pressed between the joint box base 1 and the joint box shell 2 through the clamping action of the buckle 3, namely, the joint of the joint box shell 2 and the joint box base 1 is clamped by the buckle 3, so as to further ensure the sealing effect between the joint box shell 2 and the first clamping surface 16, therefore, better sealing effect is achieved between the joint box shell 2 and the clamping surface (including the first clamping surface 16 and the second clamping surface 17) of the joint box base 1 on the whole.
A plurality of cable inlets and outlets 12 are arranged on the end surface of the joint box base 1; the plurality of cable entrances and exits 12 serve as entrance and exit ports for submarine cables, terrestrial optical cables and/or terrestrial circuits, and a first heat-shrinkable sleeve 4 is further arranged on the cables at the cable entrances and exits 12 to improve the sealing performance at the cable entrances and exits 12.
Further, in order to improve the leakproofness that the toper compressed tightly the mode, in this application partial embodiment, the second joint face 17 of joint box base 1 is the toper contact surface, perhaps, the opening of joint box casing 2 is loudspeaker form opening, sets up the second joint face 17 through with joint box base 1 to the toper contact surface, perhaps, sets up the opening of joint box casing 2 to loudspeaker form opening for in the joint box casing 2 and the joint box base 1 joint process, along with the deepening of joint depth, the joint effort grow, thereby improve the leakproofness, specifically, in order to guarantee the biggest joint effect, can also with the internal diameter in the opening outside of joint box casing 2 sets up to be equal to the external diameter in the second joint face 17 outside of joint box base 1.
In the embodiment of the present application, a gasket 13 is further disposed on the closure base 1, and the cable entering the closure housing 2 is fixed on the gasket 13 by the throat hoop 5. The joint box base 1 is also provided with a support frame 14; the supporting frame 14 is provided with a groove for clamping the optical fiber discs 6, and the optical fiber discs 6 with corresponding quantity can be inserted according to different optical fiber quantity configurations for fusion splicing and optical fiber storage.
The photoelectric separation device also comprises a photoelectric separation component 7; the photoelectric separation assembly 7 comprises two copper sleeves 71 which are respectively arranged on the sea cable side and the land cable side; the middle of the copper sleeve 71 is provided with a through hole 72, the side surface of the copper sleeve is provided with a set screw 73, the end surface of the copper sleeve is provided with a connecting hole 74, the through hole 72 of the copper sleeve 71 is connected with a cable in a submarine cable or a land cable through the set screw 73, the connecting hole 74 of the copper sleeve 71 at the side of the submarine cable is connected with the connecting hole 74 of the copper sleeve 71 at the side of the land cable through a high-voltage wire 101, an optical fiber in the submarine cable penetrates through the hollow structure of the copper sleeve 71 to be connected with one end of the optical fiber disc 6, and the other end of the optical fiber disc 6 is connected with the land cable.
In the actual installation process, the copper sleeve 71 at the two ends of the photoelectric separation component 7 is respectively sleeved on the copper pipes of the submarine cable and the land cable, so that the electric connection is realized, the connecting hole 74 of the copper sleeve 71 at the side of the submarine cable is connected with the high-voltage wire 101, the stainless steel pipe for protecting the optical fiber is penetrated in the middle of the through hole 72, the hot melt adhesive is coated and then thermally shrunk by the second heat-shrinkable sleeve 9, so that the optical path and the circuit in the submarine cable are separated, and the optical fiber is protected by the PTFE pipe 8 (polytetrafluoroethylene ) and then is welded with the optical fiber of the land cable in the optical fiber disc 6.
The optical path of submarine cable and land optical cable enter from both sides of optical fiber dish 6, intercept certain length, carry out the butt fusion, then coil in optical fiber dish 6. Referring to fig. 4, an exploded view of an electrical connector of a optoelectronic separation assembly provided in an embodiment of the present application; referring to fig. 5, a schematic structural diagram of an electrical connector of a photoelectric separation assembly provided in an embodiment of the present application before being heat-shrunk; referring to fig. 6, a schematic structural diagram of an electrical connector of a photoelectric separation assembly provided in the embodiment of the present application after being heat shrunk is shown; fig. 7 is a schematic cross-sectional structure diagram of a photoelectric separation module provided in an embodiment of the present application; in the installation process, the cable head treatment is carried out before the submarine cable, the land optical cable and the land cable enter the joint box shell 2, a section of 30mm copper pipe and a section of optical fiber stainless steel protection pipe are exposed at the cable head after the submarine cable is treated, a section of 30mm copper pipe is exposed at the cable head after the land cable is treated, and an optical fiber tube bundle with a certain length is exposed after the land optical cable is treated. After entering the connector box shell 2, the submarine cable and the land cable are respectively sleeved on the copper pipes by two copper sleeves 71 and locked by a set screw 73, so that electric conduction is realized. The stainless steel protection tube of submarine cable side cuts at 60mm department, and optic fibre is with 8 protections of PTFE pipe, and 8 covers of PTFE pipe are on the stainless steel protection tube, evenly scribble the hot melt adhesive on submarine cable stainless steel protection tube and high-voltage line 101, then carry out the pyrocondensation with second pyrocondensation bushing 9, so draw forth the light path and the circuit of submarine cable respectively, and high-voltage line 101 coils the circle and fixes with the rolling band.
According to the above technical solution, an embodiment of the present application provides a photoelectric separation apparatus for a cable beach check-in, including: the connector box comprises a connector box base 1, a connector box shell 2, a buckle 3 and a first heat-shrinkable sleeve 4, wherein a sealing ring groove 15 is arranged on a first clamping surface 16 of the connector box base 1, a sealing ring 11 is arranged in the sealing ring groove 15, and a plurality of cable inlets and outlets 12 are arranged on the end surface of the connector box base 1; the joint box shell 2 is of a barrel-shaped structure with an opening at one end, and the opening of the joint box shell 2 is connected with the second clamping surface 17 of the joint box base 1 in a conical compression mode; the buckle 3 is clamped at the joint of the joint box shell 2 and the joint box base 1; the first heat shrink 4 is arranged on the cable at the cable inlet/outlet 12.
In the practical application process, a submarine cable, a land optical cable and a land cable enter the joint box shell 2 through a cable inlet and outlet 12 arranged on the joint box base 1, a first heat-shrinkable sleeve 4 is arranged on the cable at the cable inlet and outlet 12 for sealing, a sealing ring 11 is arranged in a sealing ring groove 15 of the joint box base 1, then the joint box base 1 is pressed on the joint box shell 2, an opening of the joint box shell 2 is connected with a second clamping surface 17 of the joint box base 1 in a conical pressing mode, and a buckle 3 is arranged at the joint of the joint box shell 2 and the joint box base 1 for fastening.
The above embodiments are provided to explain the purpose, technical solutions and advantages of the present application in further detail, and it should be understood that the above embodiments are merely illustrative of the present application and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present application should be included in the scope of the present application.
Claims (2)
1. A photoelectric separation device that sea cable beach was checked in, its characterized in that includes:
the cable connector comprises a connector box base (1), wherein a sealing ring groove (15) is formed in a first clamping surface (16) of the connector box base (1), a sealing ring (11) is arranged in the sealing ring groove (15), and a plurality of cable inlets and outlets (12) are formed in the end surface of the connector box base (1);
the joint box comprises a joint box shell (2), wherein the joint box shell (2) is of a barrel-shaped structure with an opening at one end and is a horn-shaped opening, a second clamping surface (17) of a joint box base (1) is a conical contact surface, the opening of the joint box shell (2) is connected with the second clamping surface (17) of the joint box base (1) in a conical compression mode, the first clamping surface (16) is tightly attached to the end surface of the opening of the joint box shell (2), the second clamping surface (17) is tightly attached to the inner wall of the opening of the joint box shell (2), and the inner diameter of the outermost side of the opening of the joint box shell (2) is equal to the outer diameter of the outermost side of the second clamping surface (17) of the joint box base (1);
the buckle (3) is clamped at the joint of the joint box shell (2) and the joint box base (1);
the first heat-shrinkable tubing (4), the said first heat-shrinkable tubing (4) is set up on the cable of the cable access & exit (12);
a photoelectric separation assembly (7), the photoelectric separation assembly (7) comprising two copper sleeves (71) arranged on a sea cable side and a land cable side, respectively; the middle part of the copper sleeve (71) is provided with a through hole (72), the side surface is provided with a set screw (73), and the end surface is provided with a connecting hole (74);
the photoelectric separation device also comprises an optical fiber disc (6); the joint box base (1) is also provided with a support frame (14); the optical fiber disc (6) can be clamped with a clamping groove on the support frame (14);
a through hole (72) of a copper sleeve (71) on the side of the submarine cable is connected with a cable in the submarine cable through a set screw (73), an optical fiber in the submarine cable passes through the through hole (72) of the copper sleeve (71) to be connected with one end of an optical fiber disc (6), and the other end of the optical fiber disc (6) is connected with a land optical cable, wherein an optical fiber protection stainless steel tube is arranged in the middle of the through hole (72) of the copper sleeve (71) on the side of the submarine cable, and a second heat-shrinkable sleeve (9) is used for coating hot melt adhesive to perform heat shrinkage so as to separate an optical path and a circuit in the submarine cable;
the through hole (72) of the copper sleeve (71) on the land cable side is connected with the land cable through a set screw (73), and the connecting hole (74) of the copper sleeve (71) on the submarine cable side is connected with the connecting hole (74) of the copper sleeve (71) on the land cable side through a high-voltage wire (101).
2. A seabeach entry photoelectric separation apparatus according to claim 1, further comprising a hose clamp (5);
a gasket (13) is also arranged on the joint box base (1); the throat hoop (5) is used for fixing the cable on the gasket (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210068967.8A CN114114577B (en) | 2022-01-21 | 2022-01-21 | Photoelectric separation device for logging in of sea cable beach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210068967.8A CN114114577B (en) | 2022-01-21 | 2022-01-21 | Photoelectric separation device for logging in of sea cable beach |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114114577A CN114114577A (en) | 2022-03-01 |
| CN114114577B true CN114114577B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210068967.8A Active CN114114577B (en) | 2022-01-21 | 2022-01-21 | Photoelectric separation device for logging in of sea cable beach |
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| CN (1) | CN114114577B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115201983B (en) * | 2022-08-16 | 2023-12-08 | 浙江大学 | Submarine optical cable branching device capable of being replaced and expanded rapidly for submarine monitoring |
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