CN115938651A

CN115938651A - Composite submarine communication cable

Info

Publication number: CN115938651A
Application number: CN202211558545.5A
Authority: CN
Inventors: 胡成; 李佳; 方群侨; 李梦; 钟代平; 陶学品
Original assignee: Shenzhen Baisitai Computer Fitting Co ltd
Current assignee: Shenzhen Baisitai Computer Fitting Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-07

Abstract

The utility model belongs to the technical field of the cable and specifically relates to a compound submarine communication cable is related to, and it includes many sub-cables, many the sub-cable is concentric cladding setting, many the interval is provided with the cable covering between the sub-cable, the outside cladding of cable covering is provided with the cortex, the surface mounting of sub-cable has the monitoring subassembly, the monitoring subassembly is used for right the communication signal of sub-cable monitors. The method and the device have the effect of conveniently checking and maintaining the composite submarine communication cable when the composite submarine communication cable breaks down.

Description

Composite submarine communication cable

Technical Field

The application relates to the field of cables, in particular to a composite submarine communication cable.

Background

Submarine cables are cables wrapped with insulating material and laid on the sea floor for telecommunication transmission. Submarine communication cables are mainly used in long-distance communication networks, often between distant islands, in sea-crossing facilities and other important locations.

In the related art, the seabed composite communication cable comprises a plurality of power units, a filling unit and a protection unit, wherein the power units are arranged from inside to outside, the power units comprise a water-blocking inverted ladder and an insulating layer coated on the periphery of a water-blocking conductor, the power units further comprise a first metal shielding layer and a second metal shielding layer coated on the periphery of the insulating layer, the inner sides of the first metal shielding layer and the second metal shielding layer are respectively provided with a semi-conductive water-blocking layer, the first metal shielding layer or the second metal shielding layer is of an extruded alloy lead sleeve structure, the thickness of the lead sleeve is directly increased compared with the thickness of the lead sleeve, the mixed metal shielding type is adopted, the seabed composite communication cable has more advantageous short-circuit current leakage capacity and balanced electric field capacity, and the problem that the short-circuit current capacity of a large-capacity submarine cable is insufficient can be effectively solved.

In addition, the submarine cable has a long transmission distance, and when the length of the submarine cable produced without joints cannot meet the requirement of delivery length or engineering change occurs, joints need to be manufactured, and when the submarine cable is maintained for daily maintenance and use, the submarine cable needs to be manufactured when being maintained due to abnormal damage such as anchor damage.

In view of the above-mentioned related technologies, the inventor believes that since the connector and the submarine cable are not integrally manufactured, when the cable is located on the seabed, the software head is easily pressed to a local collapse by a large pressure or deformed, and at this time, a fault part needs to be repaired, however, the cable adopts a composite structure design, a plurality of working sub-cables exist inside the cable at the same time, and the fault part may only be a single cable or a part of the cable, and since the cable is laid in the seabed, the fault of the cable is difficult to troubleshoot, and the repair is inconvenient.

Disclosure of Invention

In order to facilitate troubleshooting and maintenance when the composite submarine communication cable fails, the application provides the composite submarine communication cable.

The application provides a compound submarine communication cable adopts following technical scheme:

the utility model provides a compound submarine communication cable, includes many sub-cables, many the sub-cable is concentric cladding setting, many the interval is provided with the cable covering between the sub-cable, the outside cladding of cable covering is provided with the cortex, the surface mounting of sub-cable has the monitoring subassembly, the monitoring subassembly is used for right the communication signal of sub-cable monitors.

By adopting the technical scheme, the arrangement of the monitoring component enables maintenance personnel to quickly determine whether the sub-cable works normally or not through the detection component, so that the fault position of the sub-cable is quickly checked, the efficiency of troubleshooting is improved, and the troubleshooting and the maintenance are favorably carried out when the composite submarine communication cable breaks down.

Optionally, the monitoring subassembly includes anodal ring, negative pole ring sum signal lamp, anodal ring cover is in the surface of sub-cable, the negative pole ring cover is established the surface of sub-cable, just anodal ring with the negative pole ring is followed the direction of sub-cable transmission signal of telecommunication is the range setting, the one end of signal lamp with anodal ring electricity is connected, the other end of signal lamp with the negative pole ring electricity is connected.

By adopting the technical scheme, in the process of maintenance, maintenance personnel can judge whether the composite submarine communication cable section breaks down or not by observing whether each signal lamp normally works or not. When the signal lamp of a certain section is found to be extinguished, a section from the position of the signal lamp to the direction of the electric signal transmission source is indicated to be in fault. Thereby be favorable to helping the maintenance personal to carry out the trouble fast and discharge, find out the trouble position.

Optionally, the outer surface of the plurality of sub-cables is coated with a water-blocking layer, the water-blocking layer is used for coating the signal lamp, and the water-blocking layer is located at the signal lamp and is provided with a light-transmitting portion.

Through adopting above-mentioned technical scheme, the setting of printing opacity portion can conveniently observe the signal lamp.

Optionally, many the tip of sub-cable is provided with the joint, the tip of joint runs through and has seted up a plurality of connecting holes, the tip of sub-cable be used for with the cooperation of pegging graft of connecting hole, locking Assembly is installed to the lateral wall of joint, locking Assembly is used for right sub-cable locks.

By adopting the technical scheme, the problem that the required length of the composite submarine communication cable cannot be met due to the produced length can be solved by arranging the joint, the sub-cable can be locked by arranging the locking assembly, and the connection effect of the joint is realized.

Optionally, the locking assembly comprises a locking sheet, the locking sheet is arranged in the connecting hole and used for compressing the end portion of the sub-cable, a locking nut is connected to the side wall of the joint in a threaded manner, and one end of the locking nut extends into the connecting hole and abuts against the side face of the locking sheet.

Through adopting above-mentioned technical scheme, locking nut carries out the in-process of locking, and locking nut can compress tightly the stay and compress tightly the tip of pair cable through the stay.

Optionally, both ends of the joint are provided with bonding portions, and the bonding portions are used for being bonded and fixed with the outer skin layer.

Through adopting above-mentioned technical scheme, the setting of bonding portion can carry out fixed bonding to the joint to improve the stability of joint installation.

Optionally, the outside that connects is provided with waterproof housing, waterproof housing protects the joint setting, just waterproof housing's both ends respectively with connect both sides cortex fixed connection.

Through adopting above-mentioned technical scheme, waterproof housing's setting can protect the joint, reduces the pressure of water pressure butt joint position, also can reduce the harm that the direct butt joint of marine life caused moreover.

Optionally, a communication signal detection assembly is mounted on a side wall of the joint.

Through adopting above-mentioned technical scheme, the setting of communication signal detection subassembly can make things convenient for the staff to investigate the trouble fast.

Optionally, the communication signal detection assembly includes a signal transmitter and an indicator light, the signal transmitter is electrically connected to the indicator light, and the indicator light is electrically connected to the locking nut.

Through adopting above-mentioned technical scheme, signal transmitter's setting can make the maintenance personal whether normally work through the signal quick determination joint to signal transmitter in remote, then confirm the sub-cable that specifically breaks down through the pilot lamp to be favorable to the troubleshooting fast.

Optionally, the outside of joint sets up the detection box, signal transmitter and the pilot lamp is all installed in the detection box, the detection box is transparent setting.

Through adopting above-mentioned technical scheme, the setting of detection box can protect signal transmitter and pilot lamp, does not influence simultaneously and observes the pilot lamp.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the monitoring assembly enables maintenance personnel to quickly determine whether the sub-cable works normally through the detection assembly, so that the fault position of the sub-cable is quickly checked, the efficiency of troubleshooting is improved, and the troubleshooting and maintenance are favorably carried out when the composite submarine communication cable breaks down;

2. the arrangement of the joint can solve the problem that the length of the composite submarine communication cable cannot meet the required length due to the production length, and the arrangement of the locking assembly can lock the sub-cable, so that the connection effect of the joint is realized;

3. the waterproof shell can protect the joint, reduce the pressure of water pressure on the joint and reduce the damage of marine organisms on the joint directly;

4. the setting of signal transmitter can make the maintenance personal whether normally work through the signal quick determination joint to signal transmitter in a long distance, then confirm the sub-cable that specifically breaks down through the pilot lamp to be favorable to the troubleshooting fast.

Drawings

Fig. 1 is a cross-sectional view of a composite submarine communications cable according to an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of a composite submarine communication cable according to an embodiment of the present invention.

Fig. 3 is a schematic view of a joint structure of a composite submarine communication cable according to an embodiment of the present application.

Fig. 4 is a cross-sectional view of a joint structure of a composite submarine communication cable according to an embodiment of the present application.

Description of reference numerals:

1. a sub-cable; 2. a cable cladding; 3. an outer skin layer; 4. a water resistant layer; 41. a light-transmitting portion; 5. an armor layer; 6. a monitoring component; 61. a positive electrode ring; 62. a negative pole ring; 63. a signal lamp; 7. a joint; 8. connecting holes; 9. a locking assembly; 91. a locking piece; 92. locking the nut; 93. a conductive block; 10. a communication signal detection component; 101. a signal transmitter; 102. an indicator light; 103. a detection cartridge; 11. an adhesive portion; 12. a waterproof housing.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a composite submarine communication cable. Referring to fig. 1 and 2, a composite submarine communication cable includes a plurality of sub-cables 1, and the number of the sub-cables 1 is set to three in the present embodiment. The three sub-cables 1 are concentrically wrapped, and cable covering layers 2 are arranged among the three sub-cables 1 at intervals. The cable covering 2 serves to separate the three sub-cables 1. The cable cladding 2 is composed of a cable cladding band, and the cable cladding 2 positioned at the outermost layer is externally wrapped with an outer skin layer 3, and the outer skin layer 3 is made of a double-layer PP rope coated with asphalt.

Referring to fig. 1 and 2, a water-resistant layer 4 is arranged between the outer skin layer 3 and the cable sheath layer 2, and the water-resistant layer 4 is made of a single-sided aluminum-plastic tape. And an armor layer 5 is arranged between the water-resistant layer 4 and the cable cladding 2, and the armor layer 5 is formed by winding galvanized steel wires.

Referring to fig. 1 and 2, in order to monitor each sub-cable 1, a plurality of groups of monitoring assemblies 6 are disposed on the surface of each sub-cable 1, and the plurality of groups of monitoring assemblies 6 are arranged at equal intervals along the length direction of the sub-cable 1. Specifically, the monitoring assembly 6 includes a positive ring 61, a negative ring 62 and a signal lamp 63, the positive ring 61 is sleeved on the outer surface of the sub-cable 1, the negative ring 62 is also sleeved on the outer surface of the sub-cable 1, and the positive ring 61 and the negative ring 62 are arranged in a direction of transmitting an electrical signal along the sub-cable 1. One end of the signal lamp 63 is electrically connected to the positive electrode ring 61, and the other end of the signal lamp 63 is electrically connected to the negative electrode ring 62. And the signal lamp 63 is disposed in the waterproof layer 4, and the signal lamp 63 is coated by the waterproof layer 4. Further, in order to facilitate the observation of the signal lamp 63, the light-transmitting portion 41 is provided at the position of the signal lamp 63 on the water-blocking layer 4, the light-transmitting portion 41 is made of a light-transmitting plastic material, and the light-transmitting portion 41 is disposed to surround the signal lamp 63 and is fixed to the light-transmitting portion 41 through the water-blocking layer 4. Waterproof sealant is coated between the light-transmitting portion 41 and the waterproof layer 4, so that the light-transmitting portion 41 and the waterproof layer 4 are fixed. At this time, the light source of the signal lamp 63 can pass through the light-transmitting portion 41 and be transmitted out of the outer skin layer 3, thereby facilitating observation by a maintenance worker.

In the process of maintenance, a maintenance worker can judge whether the composite submarine communication cable section has a fault by observing whether each signal lamp 63 normally works. When the signal lamp 63 of a certain section is seen to be extinguished, it is described that a section from the position of the signal lamp 63 toward the direction of the electric signal transmission source is in failure. Therefore, the method is beneficial to helping maintenance personnel to quickly perform fault elimination, find out the fault position and maintain the corresponding sub-cable 1 through the corresponding signal lamp 63, and further improves the efficiency of troubleshooting.

Referring to fig. 3 and 4, the problem that the length of the composite submarine communication cable cannot meet the required length due to the produced length is solved. The end of the sub-cable 1 is provided with a connector 7, and a plurality of connection holes 8 are formed through the end of the connector 7. In the present embodiment, the number of the connection holes 8 is set to six, and the six connection holes 8 are arranged in a vertical direction. The three connecting holes 8 on the upper half part of the joint 7 are used for inserting the ends of the three sub-cables 1 on the front end in the transmission direction in an inserting fit mode, and the three connecting holes 8 on the lower half part of the joint 7 are used for inserting the ends of the three sub-cables 1 on the rear end in the transmission direction in an inserting fit mode.

Referring to fig. 3 and 4, the side wall of the joint 7 is mounted with a locking assembly 9, and the locking assembly 9 is used for locking the sub-cable 1. Specifically, the locking assembly 9 includes a locking sheet 91, the locking sheet 91 is disposed in the connecting hole 8 and used for pressing the end of the sub-cable 1, the side wall of the joint 7 is connected with a locking nut 92 through a thread, and one end of the locking nut 92 extends into the connecting hole 8 and abuts against the side face of the locking sheet 91. Thus, in the process of locking the lock nut 92, the lock nut 92 can compress the locking piece 91 and compress the end of the sub-cable 1 through the locking piece 91. In this embodiment, the lock nut 92 and the lock tab 91 are made of a conductive material, so that they can be electrically connected to the end of the sub-cable 1. Three lock nuts 92 located in the upper half of the joint 7 are electrically connected to three lock nuts 92 located in the lower half of the joint 7 through conductive blocks 93, and the conductive blocks 93 are threadedly connected to the lock nuts 92.

Referring to fig. 3 and 4, a communication signal detection assembly 10 is mounted to a side wall of the joint 7. The communication signal detection assembly 10 includes a signal transmitter 101 and an indicator lamp 102, and the signal transmitter 101 is electrically connected to the indicator lamp 102. The anode and the cathode of the indicator light 102 are electrically connected to the corresponding locking nut 92 on the upper half of the connector 7 and the corresponding locking nut 92 on the lower half of the connector 7, respectively. The outside of joint 7 sets up detection box 103, and signal transmitter 101 and pilot lamp 102 all install in detection box 103, and detection box 103 is transparent setting. When a fault occurs, a maintenance worker can quickly check whether the position of the connector 7 has the fault through signal receiving of the signal transmitter 101, and can check the fault problem of the end part of the corresponding sub-cable 1 through the corresponding indicator lamp 102, so that the maintenance efficiency is improved.

Referring to fig. 3 and 4, further, both ends of the joint 7 are provided with bonding portions 11, and the bonding portions 11 are used for bonding and fixing with the outer skin layer 3. The outer part of the joint 7 is provided with a waterproof shell 12, the waterproof shell 12 is made of transparent materials, and the waterproof shell 12 covers the joint 7. And the two ends of the waterproof shell 12 are respectively fixedly connected with the outer skin layers 3 at the two sides of the joint 7. The setting of waterproof housing 12 can protect joint 7, reduces the pressure of water pressure to joint 7 position, also can reduce the harm that the direct butt joint 7 of marine life caused moreover.

The implementation principle of the composite submarine communication cable in the embodiment of the application is as follows:

when a fault occurs, a maintenance worker rapidly inspects whether a signal of the signal transmitter 101 is normal or not, determines a fault range, inspects the corresponding fault sub-cable 1 through the corresponding indicator lamp 102, and finally checks whether the signal lamp 63 normally works or not along the electric signal transmission direction of the sub-cable 1, so that a specific fault position is rapidly determined, the rapid mechanical fault inspection of the maintenance worker is facilitated, and the maintenance efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A composite undersea communications cable, characterized by: including many sub-cable (1), many sub-cable (1) is concentric cladding setting, many the interval is provided with cable covering layer (2) between sub-cable (1), the outside cladding of cable covering layer (2) is provided with cortex (3), the surface mounting of sub-cable (1) has monitoring subassembly (6), monitoring subassembly (6) are used for right the communication signal of sub-cable (1) monitors.

2. A composite submarine communications cable according to claim 1, wherein: monitoring components (6) include anodal ring (61), negative pole ring (62) and signal lamp (63), anodal ring (61) cover is in the surface of sub-cable (1), negative pole ring (62) cover is established the surface of sub-cable (1), just anodal ring (61) with negative pole ring (62) are followed the direction of sub-cable (1) transmission signal of telecommunication is the range setting, the one end of signal lamp (63) with anodal ring (61) electricity is connected, the other end of signal lamp (63) with negative pole ring (62) electricity is connected.

3. A composite submarine communications cable according to claim 2, wherein: the outer surface of the sub-cables (1) is coated with a water-resistant layer (4), the water-resistant layer (4) is used for coating the signal lamp (63), and a light-transmitting part (41) is arranged at the position, located at the signal lamp (63), of the water-resistant layer (4).

4. A composite undersea communications cable according to claim 1, characterized in that: many the tip of sub-cable (1) is provided with connects (7), the tip that connects (7) runs through and has seted up a plurality of connecting holes (8), the tip of sub-cable (1) be used for with connecting hole (8) cooperation of pegging graft, locking Assembly (9) are installed to the lateral wall that connects (7), locking Assembly (9) are used for right sub-cable (1) locking.

5. A composite submarine communications cable according to claim 4, wherein: locking Assembly (9) include stay (91), stay (91) set up be used for compressing tightly in connecting hole (8) the tip of sub-cable (1), the lateral wall threaded connection who connects (7) has lock nut (92), the one end of lock nut (92) stretches into in connecting hole (8) with the side looks butt of stay (91).

6. A composite submarine communications cable according to claim 5, wherein: the two ends of the joint (7) are provided with bonding parts (11), and the bonding parts (11) are used for being bonded and fixed with the outer skin layer (3).

7. A composite submarine communications cable according to claim 4, wherein: the outside that connects (7) is provided with waterproof housing (12), waterproof housing (12) protection connect (7) setting, just the both ends of waterproof housing (12) respectively with connect (7) both sides cortex (3) fixed connection.

8. A composite submarine communications cable according to claim 5, wherein: and a communication signal detection assembly (10) is mounted on the side wall of the joint (7).

9. A composite submarine communications cable according to claim 8, wherein: the communication signal detection assembly (10) comprises a signal transmitter (101) and an indicator light (102), wherein the signal transmitter (101) is electrically connected with the indicator light (102), and the indicator light (102) is electrically connected with the locking nut (92).

10. A composite undersea communications cable according to claim 9, characterized in that: the outside of joint (7) sets up detects box (103), signal transmitter (101) and pilot lamp (102) are all installed detect box (103) in, detect box (103) and be transparent setting.