CN218888094U - Submarine cable entry sealing protection system and submarine cabin system - Google Patents

Abstract

The utility model relates to the technical field of submarine cables, and provides a submarine cable entry sealing protection system and a submarine cabin body system, wherein the submarine cable entry sealing protection system comprises an entry device, a supporting device and a bending protection device, the entry device comprises a fixed sleeve, a bending limiting module and a phase splitting module, the fixed sleeve outlet is fixedly and hermetically connected with the submarine cabin body, the fixed sleeve inlet is penetrated with a submarine cable and is hermetically connected with an outer protective layer of the submarine cable, and the submarine cable is fixed in the inner cavity of the fixed sleeve; the bending limiting module is connected to the inlet end of the fixed sleeve; the phase splitting module is connected to the outlet end of the fixed sleeve and used for performing phase splitting sealing on the submarine cable; the supporting device fixedly supports the fixed sleeve; the over-bending protection device supports the submarine cable according to a set radian. The utility model discloses a submarine cable income cabin seals protection system realizes multiple structure through fixed cover and phase splitting module and seals, combines limit curve module, strutting arrangement and the protection device that bends, realizes that submarine cable wears cabin sealing and submarine cable mechanical protection, ensures submarine cabin body water proofness and wears cabin submarine cable and face cabin position mechanical safety.

Description

Submarine cable entry sealing protection system and submarine cabin system

Technical Field

The utility model relates to a submarine cable technical field especially relates to a submarine cable goes into cabin sealing protection system and submarine cabin body system.

Background

With the accelerated development and utilization of ocean resources, various cabin applications used on the seabed are in variety, and with the application of the seabed cabin, power supply and communication inside the seabed cabin become the primary problems which need to be solved urgently. The existing low-pressure submarine cable is usually in a connector form, but the mechanical strength of the connector is insufficient, the watertight performance of a submarine cabin body and the mechanical safety of the cabin-approaching position of the cabin-penetrating submarine cable are difficult to ensure, and the low-pressure submarine cable cannot be suitable for high-pressure armored submarine cables. Therefore, there is no application case for stably and reliably connecting the high-voltage submarine cable to the inside of the submarine cabin to provide power and communication.

SUMMERY OF THE UTILITY MODEL

The utility model provides a submarine cable is gone into cabin and is sealed protection system and submarine cabin body system for solve and lack among the prior art and can be connected to the defect of the submarine cabin internal portion with the application case that provides the energy, communication with high-pressure submarine cable reliable and stable, realize that the submarine cable is worn cabin sealing, submarine cable mechanical protection, ensure submarine cabin body watertight performance and wear cabin submarine cable face cabin position mechanical safety.

In a first aspect, the utility model provides a submarine cable is sealed protection system in cabin, include:

the cabin entering device comprises a fixed sleeve, a bending limiting module and a phase splitting module, wherein an outlet of the fixed sleeve is used for fixedly and hermetically connecting a connector of a submarine cabin body, an inlet of the fixed sleeve is used for penetrating a submarine cable and is hermetically connected with an outer protective layer of the submarine cable, and an inner cavity of the fixed sleeve is used for fixing the submarine cable; the bending limiting module is connected to the inlet end of the fixing sleeve and is used for being sleeved outside the submarine cable; the phase splitting module is connected to the outlet end of the fixed sleeve and is used for performing phase splitting sealing on the submarine cable;

the supporting device is used for fixedly connecting the fixing sleeve and a cabin base of the seabed cabin body so as to support the fixing sleeve; and

and the over-bending protection device is used for being arranged on the cabin base and adjacently arranged on one side of the sea bottom cabin body, which is deviated from the supporting device, and the over-bending protection device is used for supporting the submarine cable according to a set radian.

According to the utility model provides a submarine cable is sealed protection system of going into cabin, the export internal diameter of fixed cover is greater than the entry internal diameter, the entry internal diameter with the outer jacket external diameter of submarine cable is the same, the inner chamber of fixed cover is the cross-section by the toper of entry to export crescent, the inner chamber is used for filling the adhesive.

According to the utility model provides a submarine cable is sealed protection system of going into cabin, the exit end periphery of fixed cover is equipped with the load flange board, the load flange board be used for with the sealed butt joint of connector flange board of the seabed cabin body.

According to the sea cable entry sealing protection system provided by the utility model, the phase splitting module comprises a connecting end cover, a cylinder body and a phase splitting end cover, one end of the connecting end cover is fixedly and hermetically connected with the outlet of the fixed sleeve, the connecting end cover is provided with a perforation, and the perforation is used for penetrating through the inner core of the sea cable and is hermetically connected with the inner protection layer of the sea cable; one end of the cylinder body is fixedly and hermetically connected with the other end of the connecting end cover, the phase splitting end cover is fixedly and hermetically connected with the other end of the cylinder body, the connecting end cover, the cylinder body and the phase splitting end cover enclose a sealed cavity, and a waterproof agent is filled in the sealed cavity; the phase separation end cover is used for separating and sealing each phase separation unit of the submarine cable.

According to the submarine cable entry sealing protection system provided by the utility model, a plurality of phase splitting through holes are formed on the phase splitting end cover, and each phase splitting through hole is used for penetrating one phase splitting unit of the submarine cable; the split-phase module further comprises a plurality of split-phase sealing pieces, each split-phase through hole is provided with the split-phase sealing piece, and the split-phase sealing pieces are used for sealing gaps between the split-phase end cover and split-phase protection layers of the split-phase units of the submarine cable.

According to the sea cable entry sealing protection system provided by the utility model, the entry device further comprises a first sealing element, the first sealing element is arranged at the inlet of the fixed sleeve and is used for sealing the gap between the inlet of the fixed sleeve and the outer protective layer of the sea cable; and/or the phase separation module further comprises a second sealing piece, wherein the second sealing piece is arranged on the through hole and used for sealing a gap between the connecting end cover and the inner protection layer of the submarine cable.

According to the utility model provides a submarine cable is sealed protection system of going into cabin, strutting arrangement is including holding mounting and connecting seat tightly, hold the mounting tightly and encircle and be fixed in the periphery of fixed cover, the one end of connecting seat with hold mounting fixed connection tightly, the other end of connecting seat is used for fixed connection the cabin base.

According to the submarine cable entry sealing protection system provided by the utility model, the over-bending protection device comprises a support base, an arc-shaped support plate and a holding clamp, wherein the support base is used for connecting the cabin base; the arc-shaped support plate is connected to the top of the support base, is bent at the set radian along the extending direction of the arc-shaped support plate, and is used for supporting and placing the submarine cable; the holding clamp is connected with the arc-shaped supporting plate and used for fixing the submarine cable on the arc-shaped supporting plate.

According to the utility model provides a submarine cable is sealed protection system that goes into cabin, arc backup pad perpendicular to self extending direction's cross-section is the arcwall face.

In a second aspect, the present invention further provides a submarine capsule system, which comprises a submarine functional capsule and a submarine cable capsule sealing protection system according to any one of the above mentioned.

The utility model discloses a submarine cable entryway sealing protection system and submarine cabin body system realizes the watertight access of submarine cable into the submarine cabin body through entryway device, realizes the sealing of multiple structural style through setting up fixed cover and phase splitting module, effectively accomplishes the sealed guard action of submarine cable entryway, realizes the whole water blocking performance of multichannel, ensures the watertight safety of the submarine cabin body; meanwhile, the mechanical performance of the construction arrangement of the penetration of the submarine cable into the cabin is ensured through the fixed sleeve armor fixing structure, the bending limiting module bending protection structure and the supporting device, the supporting device provides supporting force through the cabin base to eliminate most of the bending moment of the submarine cable, the submarine cabin body is protected from being influenced by the bending moment, and the mechanical safety of the cabin-approaching position of the penetration submarine cable is ensured; meanwhile, the over-bending protection device effectively ensures that the bending of the submarine cable is within a safe bending radius at the bottom contact position of the submarine cable, so that the over-bending of the submarine cable is avoided, the integral bending protection performance of the submarine cable is completed through the supporting device and the over-bending protection device after the integral installation of the submarine cable, the watertight and mechanical protection function of the submarine cable entering the cabin is effectively completed, the watertight and mechanical safety of the submarine cabin is ensured, the submarine cable is stably and reliably connected to the inside of the submarine cabin to provide energy and communication, and the defect that an application case capable of stably and reliably connecting the high-pressure submarine cable to the inside of the submarine cabin to provide energy and communication is lacked in the prior art is effectively overcome.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a submarine cable entry sealing protection system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cabin entry device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a phase splitting module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a supporting device provided by an embodiment of the present invention;

fig. 5 is a schematic view of a partially enlarged structure of a submarine cable entry sealing protection system according to an embodiment of the present invention.

Reference numerals:

1: a cabin entry device; 11: fixing a sleeve; 110: an inner cavity; 111: a force-bearing flange plate; 12: a bending limiting module; 121: a bending limiter; 13: a phase splitting module; 130: sealing the cavity; 131: connecting an end cover; 132: a barrel; 133: a split-phase end cover; 134: a second seal member; 135: a split-phase seal; 14: a first seal member; 15: an anode protection member;

2: a support device; 21: tightly holding the fixing piece; 22: a connecting seat; 23: a bottom support;

3: an over-bending protection device; 31: a support base; 311: a bottom support seat; 312: supporting the butt plate; 32: an arc-shaped support plate; 33: tightly holding the clamp;

200: a subsea compartment; 201: a connecting port; 202: a port flange plate;

300: a sea cable; 301: an inner core; 302: a phase splitting unit;

400: a cabin base; 500: a seabed; 600: an adhesive; 700: a water repellent.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The submarine cable entry sealing protection system and the submarine cabin body system according to the present invention will be described with reference to fig. 1 to 5.

As shown in fig. 1 and fig. 2, the submarine cable entry sealing protection system provided by the present invention includes an entry device 1, a supporting device 2 and an overbending protection device 3; the cabin entering device 1 comprises a fixed sleeve 11, a bending limiting module 12 and a phase splitting module 13, wherein an outlet of the fixed sleeve 11 is used for fixedly and hermetically connecting a connecting port 201 of the submarine cabin body 200, an inlet of the fixed sleeve 11 is used for penetrating a submarine cable 300 and is hermetically connected with an outer protective layer of the submarine cable 300, and an inner cavity 110 of the fixed sleeve 11 is used for fixing the submarine cable 300; the bending limiting module 12 is connected to the inlet end of the fixed sleeve 11, and the bending limiting module 12 is used for being sleeved outside the submarine cable 300; the phase splitting module 13 is connected to the outlet end of the fixed sleeve 11, and the phase splitting module 13 is used for performing phase splitting sealing on the submarine cable 300; the supporting device 2 is used for fixedly connecting the fixing sleeve 11 and the cabin base 400 of the seabed cabin body 200 so as to support the fixing sleeve 11; the over-bending protection device 3 is arranged on the cabin base 400 and is adjacently arranged on one side, deviating from the seabed cabin body 200, of the supporting device 2, and the over-bending protection device 3 is used for supporting the submarine cable 300 according to a set radian.

Wherein the set radian is determined according to the position of the submarine cable 300 which is constructed and arranged from the connecting port 201 of the submarine body 200 above the sea bed 400 to contact the seabed 500.

In this embodiment, the outlet of the fixing sleeve 11 is fixedly and hermetically connected with the connection port 201 of the seabed cabin 200, so as to ensure the watertight performance of the connection position of the connection port 201 of the seabed cabin 200 and the fixing sleeve 11; the phase separation module 13 is connected to the outlet end of the fixed sleeve 11, so that the phase separation module 13 is positioned in the connection port 201 of the seabed cabin 200, the submarine cable 300 passes through the inlet of the fixed sleeve 11 to enter the inside of the fixed sleeve 11, and further passes through the phase separation module 13 to enter the connection port 201 of the seabed cabin 200, and the submarine cable 300 is connected into the seabed cabin 200; the inlet of the fixing sleeve 11 is connected with the outer protective layer of the submarine cable 300 in a sealing manner, so that the watertight performance of the joint of the fixing sleeve 11 and the submarine cable 300 is ensured, the phase-splitting module 13 performs phase-splitting sealing on the submarine cable 300, and the fixing sleeve 11 and the phase-splitting module 13 realize sealing in multiple structural forms so as to complete the water blocking function of the submarine cable 300 and realize watertight connection of the submarine cable 300 into the submarine cabin 200 through the connector 201.

Meanwhile, the bending limiting module 12 is connected to the inlet end of the fixing sleeve 11, the submarine cable 300 enters the inner cavity 110 of the fixing sleeve 11 through the bending limiting module 12, the fixing sleeve 11 is fixedly connected with the submarine cable 300 through the inner cavity 110 to form an armor fixing structure, the tensile force performance of the submarine cable 300 can be recovered, the submarine cable 300 is subjected to limiting and fixing mechanical protection, the sealing connection performance of the inlet of the fixing sleeve 11 and the outer protection layer of the submarine cable 300 is prevented from being influenced by the tensile movement or shaking of the submarine cable 300, and the water tightness of the submarine cabin 200 is ensured; the bending limiting module 12 is sleeved outside the submarine cable 300 to protect the submarine cable 300 from bending, so as to prevent the submarine cable 300 at the inlet of the fixing sleeve 11 from being bent excessively, avoid the influence on the sealing connection performance between the inlet of the fixing sleeve 11 and the outer sheath of the submarine cable 300 due to the bending of the submarine cable 300, and ensure the water-tight safety of the submarine cabin 200.

The submarine cable 300 is connected into the submarine cabin body 200 in a watertight manner through the cabin entering device 1, the cabin penetrating sealing protection effect of the submarine cable 300 is effectively achieved, the multi-channel integral water blocking performance is achieved, and the watertight safety of the submarine cabin body 200 is ensured.

The supporting device 2 is fixedly connected with the fixing sleeve 11 and the cabin base 400 of the seabed cabin body 200 so as to fixedly support the fixing sleeve 11 on the cabin base 400, the fixing sleeve 11 fixes the submarine cable 300, the bending moment and the like of the submarine cable 300 acting on the fixing sleeve 11 can be transmitted to the cabin base 400 through the supporting device 2, the supporting device 2 provides supporting force through the cabin base 400 to eliminate most of the bending moment of the submarine cable 300, so that the bending moment applied to the connecting port 201 of the seabed cabin body 200 is greatly reduced or can be ignored, the seabed cabin body 200 is protected from being influenced by the bending moment, and the seabed cabin body 200 and the submarine cable 300 are mechanically protected; meanwhile, the mechanical performance of construction and arrangement of the penetrating submarine cable 300 through the fixed sleeve 11 armored fixed structure, the bending protection structure of the bending limiting module 12 and the supporting device 2 is ensured, and the mechanical safety of the cabin-facing position of the penetrating submarine cable 300 is ensured.

The overbending protection device 3 is supported and arranged on the cabin base 400 and is adjacently arranged on one side, away from the seabed cabin body 200, of the support device 2, the submarine cable 300 is sequentially constructed and arranged along the support device 2 and the overbending protection device 3 through a connecting port 201 of the seabed cabin body 200 until the bottom of the submarine cable contacts with the seabed 500, the submarine cable 300 with the bending limiting module 12 is supported on the overbending protection device 3 according to a set radian, the radian is set, so that the overbending protection device 3 effectively ensures that the submarine cable 300 is bent within a safe bending radius at the bottom contacting position of the submarine cable 300, the submarine cable 300 is prevented from overbending, the submarine cable 300 can be smoothly bent from the seabed 500 and connected into the seabed cabin body 200, the overbending protection device 3 and the cabin base 400 are fixed, the construction and arrangement of the submarine cable 300 and the safety in-place are well ensured, and the submarine cabin body 200 is protected from the bending moment of the submarine cable 300; meanwhile, the submarine cable 300 is fixed by the inner cavity 110 of the fixing sleeve 11 to recover the tensile force performance, and the integral bending protection performance of the submarine cable 300 is completed by the supporting device 2 and the bending protection device 3 after the integral installation, so that the watertight and mechanical protection function of the submarine cable 300 entering the cabin is effectively completed, and the watertight and mechanical protection performance of the submarine cabin body 200 is ensured.

The utility model discloses a submarine cable entryway sealing protection system, realize inserting submarine cable 300 watertight in the submarine cabin body 200 through entryway device 1, realize the sealed of multiple structural style through setting up fixed cover 11 and phase splitting module 13, effectively accomplish submarine cable 300 and cross the cabin sealing guard action, realize multichannel whole water blocking performance, ensure the watertight safety of submarine cabin body 200; meanwhile, the mechanical performance of construction arrangement of penetrating of the submarine cables 300 is ensured through the fixing sleeve 11 armored fixing structure, the bending limiting module 12 bending protecting structure and the supporting device 2, the supporting device 2 provides supporting force through the cabin base 400 to eliminate most of bending moment of the submarine cables 300, the submarine cabin body 200 is protected from being affected by bending moment, and the mechanical safety of the cabin-penetrating position of the submarine cables 300 is ensured; meanwhile, the over-bending protection device 3 effectively ensures that the bending of the submarine cable 300 is within a safe bending radius at the bottom contact position of the submarine cable 300, so that the over-bending of the submarine cable 300 is avoided, the integral bending protection performance of the submarine cable 300 is completed through the supporting device 2 and the over-bending protection device 3 after the integral installation, the watertight and mechanical protection function of the submarine cable 300 entering the cabin is effectively completed, the watertight and mechanical protection performance of the submarine cabin 200 is effectively ensured, the submarine cable 300 is stably and reliably connected into the submarine cabin 200 to provide energy and communication, and the defect that the application case that the high-pressure submarine cable can be stably and reliably connected into the submarine cabin 200 to provide energy and communication is lacked in the prior art is effectively overcome.

Specifically, as shown in fig. 2, the entry device 1 further includes a first sealing element 14, and the first sealing element 14 is disposed at the inlet of the fixing sleeve 11 and is used for sealing a gap between the inlet of the fixing sleeve 11 and the outer sheath of the submarine cable 300.

In this embodiment, the first sealing element 14 is disposed at the inlet of the fixing sleeve 11, and the first sealing element 14 fills and seals the gap between the inlet of the fixing sleeve 11 and the outer sheath of the submarine cable 300, so as to ensure the waterproof sealing performance of the connecting position between the fixing sleeve 11 and the outer sheath of the submarine cable 300, and improve the watertight safety of the submarine enclosure 200.

In a specific embodiment, the first sealing member 14 includes a first sealing press ring and an outer sheath sealing member, the first sealing press ring is fixedly connected to the end surface of the fixing sleeve 11 away from the subsea cabin 200 by bolts, and a through hole having the same outer diameter as the outer sheath of the submarine cable 300 is formed in the first sealing press ring for the submarine cable 300 to pass through; the outer jacket sealing member centre gripping is fixed in between the terminal surface of first sealed clamping ring and fixed cover 11, and the outer jacket sealing member is sealed to be filled in the clearance of fixed cover 11 and 300 outer jackets of submarine cable, and sealed water-proof effects is better.

Optionally, the outer jacket sealing element may be a packing sealing element, a glue vulcanization sealing element, or an O-ring, depending on environmental factors such as water depth.

In some embodiments, as shown in fig. 2, the inner diameter of the outlet of the sheath 11 is larger than the inner diameter of the inlet, the inner diameter of the inlet is the same as the outer diameter of the outer sheath of the submarine cable 300, the inner cavity 110 of the sheath 11 has a tapered shape with a gradually increasing cross section from the inlet to the outlet, and the inner cavity 110 is used for filling the adhesive 600.

In this embodiment, by setting the inner diameter of the inlet of the fixing sleeve 11 to be the same as the outer diameter of the outer sheath of the submarine cable 300, the submarine cable 300 can conveniently enter the inner cavity 110 through the inlet of the fixing sleeve 11, and the inlet of the fixing sleeve 11 and the outer sheath of the submarine cable 300 are tightly connected, so that the sealing effect is better, and the water tightness of the submarine cabin 200 is ensured; the export internal diameter through setting up fixed cover 11 is greater than the entry internal diameter, and the inner chamber 110 of fixed cover 11 is the cross-section by entry to export crescent toper, make fixed cover 11 wholly be toper sleeve structure, behind submarine cable 300 got into the inner chamber 110 of fixed cover 11, it is fixed submarine cable 300 to fill adhesive 600 to the inner chamber 110 of fixed cover 11, submarine cable 300 links into a whole through adhesive 600 with fixed cover 11, conical inner chamber 110 makes adhesive 600 form the toper fixed body, when submarine cable 300 received the axial tension by the directional entry end of the exit end of fixed cover 11, the toper fixed body can be effectively with the pulling force transmission that submarine cable 300 received for fixed cover 11, provide reverse tension by fixed cover 11 again, effectively resume submarine cable 300's tensile force performance, connection structure is more firm, effectively promote the mechanical protection effect to submarine cable 300.

In one embodiment, the adhesive 600 is steel wire glue, the submarine cable 300 enters the inner cavity 110 of the fixing sleeve 11 to cut off the outer sheath of the submarine cable 300, the steel wire of the submarine cable 300 is pulled open to expose the inner sheath, and the fixing sleeve 11 is fixedly connected with the submarine cable 300 through the steel wire glue, so that the pulling force can be recovered to be more than 85% of the body of the submarine cable 300.

Further, a bearing flange plate 111 is arranged on the periphery of the outlet end of the fixing sleeve 11, and the bearing flange plate 111 is used for being in sealing butt joint with a connection port flange plate 202 of the seabed cabin 200.

In this embodiment, the bearing flange plate 111 is arranged on the periphery of the outlet end of the fixed sleeve 11, the bearing flange plate 111 is used for bearing, the bearing flange plate 111 is in sealing butt joint with the connecting port flange plate 202 of the submarine cabin 200, the fixed sleeve 11 is connected with the submarine cabin 200 more firmly, stably and reliably, the bearing flange plate 111 transmits the stress of the fixed sleeve 11 to the submarine cabin 200, the fixed sleeve 11 and the submarine cabin 200 bear the axial tension of the submarine cable 300 together, the tension performance of the submarine cable 300 can be further recovered, the butt joint sealing effect is correct, and the watertight and mechanical protection performance of the submarine cable 300 entering the cabin is effectively improved.

Specifically, the bearing flange plate 111 and the connecting port flange plate 202 are fastened and connected through bolts, and the butt joint position of the bearing flange plate 111 and the connecting port flange plate 202 is sealed by a surfacing welding process, so that the long-term corrosion-resistant sealing performance is ensured, the waterproof sealing performance of the connecting position of the fixing sleeve 11 and the connecting port 201 of the seabed cabin body 200 is ensured, the water is effectively prevented, and the water tightness safety of the seabed cabin body 200 is further improved.

In one embodiment, an anode protector 15, such as an anode plate, is attached to the outside wall of the fixture sleeve 11. The anode protection member 15 is used as an anode, and the fixing sleeve 11 is used as a cathode to form a primary battery, so that the fixing sleeve 11 is protected by a sacrificial anode protection method, the electrochemical corrosion of the fixing sleeve 11 is slowed down, and the service life of the fixing sleeve 11 is prolonged.

Specifically, the bending limiting module 12 includes a plurality of bending limiters 121, each bending limiter 121 is sleeved outside the submarine cable 300, the plurality of bending limiters 121 are sequentially connected, and the bending limiters 121 at the end are hermetically connected with the inlet end of the fixing sleeve 11, so as to limit the bending radian of the submarine cable 300.

In some embodiments, the bending limiters 121 may be connected in a Harvard manner, i.e. the outer wall of the pipe ends of two adjacent bending limiters 121 are provided with sealing rings, the two outer sleeves are fastened by bolts, the inner wall of the sleeve is provided with grooves, and the grooves on the inner wall of the sleeve and the sealing rings on the outer wall of the bending limiters 121 are clamped and pressed tightly, so that the connection and the sealing between the two bending limiters 121 are completed.

In other embodiments, the bend limiting module 12 may also be of an integral pre-nested structure. In addition, the length dimension of the bending limiting module 12 can be adjusted according to actual use conditions.

Specifically, the bending limiting module 12 can be a polyurethane part or a rubber part, strength can meet the bending limiting function requirement, and the bending limiting module has corrosion resistance and is suitable for deep sea environments. The specific material of the bending limiting module 12 can be selected according to the working condition.

Specifically, as shown in fig. 2 and 3, the phase separation module 13 includes a connecting end cover 131, a cylinder 132 and a phase separation end cover 133, one end of the connecting end cover 131 is fixedly and hermetically connected with an outlet of the fixing sleeve 11, the connecting end cover 131 is provided with a through hole, and the through hole is used for penetrating through an inner core 301 of the submarine cable 300 and hermetically connected with an inner sheath of the submarine cable 300; one end of the cylinder 132 is fixedly and hermetically connected with the other end of the connecting end cover 131, the phase splitting end cover 133 is fixedly and hermetically connected with the other end of the cylinder 132, the connecting end cover 131, the cylinder 132 and the phase splitting end cover 133 enclose a sealed cavity 130, and a waterproof agent 700 is filled in the sealed cavity 130; the phase separation end caps 133 are used to separate and seal the individual phase separation units 302 of the submarine cable 300.

In the embodiment, the water tightness between the phase separation module 13 and the fixed sleeve 11 is ensured by arranging the connecting end cover 131 to be fixedly and hermetically connected with the outlet of the fixed sleeve 11; through set up the perforation on connecting end cover 131, the extra large cable 300 outer jacket that will get into the inner chamber 110 of fixed cover 11 cuts, dials open extra large cable 300 steel wire, and the inner sheath of naked extra large cable 300, inner core 301 of extra large cable 300 are through the perforation, and perforation and the inner sheath sealing connection of extra large cable 300 restore the function of blocking water of the inner sheath of extra large cable 300, realize that the inner sheath is sealed, ensure the water tightness of the inner sheath junction of phase splitting module 13 and extra large cable 300. One end of the cylinder 132 is fixedly and hermetically connected with the other end of the connecting end cover 131, so that the water tightness of the joint of the cylinder 132 and the connecting end cover 131 is ensured; the other end of the cylinder 132 is fixedly and hermetically connected with the phase separation end cover 133, so that the water tightness of the joint of the cylinder 132 and the phase separation end cover 133 is ensured; so that the connecting end cap 131, the cylinder 132 and the phase splitting end cap 133 enclose a sealed cavity 130, the inner core 301 of the submarine cable 300 enters the sealed cavity 130 through a perforation, the inner sheath of the submarine cable 300 is cut off, and each phase splitting unit 302 of the submarine cable 300, such as an electric unit, an optical fiber unit or other transmission units, is exposed; the sealing cavity 130 is filled with a waterproof agent 700, the phase separation protective layers of the phase separation units 302 are individually sealed by using the waterproof agent 700, so that the drying of the phase separation units 302 of the submarine cable 300 inside the phase separation module 13 is ensured, and the waterproof agent 700 can also fix the phase separation units 302 to play a supporting role; the separated phase units 302 of the submarine cable 300 are separated and are respectively connected with the phase separation end covers 133 in a sealing mode, and finally, the separated phase units 302 of the submarine cable 300 are separated and sealed through the phase separation end covers 133.

The sea cable 300 is sealed in a split-phase manner through the split-phase module 13, each split-phase unit 302 of the sea cable 300 is separated and then is respectively connected to the connecting port 201 of the sea cabin 200, each split-phase unit 302 is conveniently and respectively connected to a corresponding line in the sea cabin 200, and energy and communication can be stably and reliably provided for the inside of the sea cabin 200; and the fixed sleeve 11 is matched with the split-phase module 13 to realize multi-channel integral water-blocking performance, so that the watertight safety of the seabed cabin body 200 is ensured.

In one embodiment, the phase separation module 13 is a cylindrical sealed cavity, i.e. the connection end cap 131 is a circular end cap, the cylinder 132 is a cylinder with two open ends, and the phase separation end cap 133 is also a circular end cap. The cylinder 132 and the split-phase end cap 133 are sealingly abutted by sealing flanges.

Specifically, as shown in FIG. 2, the phase separation module 13 further includes a second seal 134, and the second seal 134 is provided in the through hole to seal a gap between the connection end cap 131 and the inner sheath of the submarine cable 300.

In the embodiment, the second sealing member 134 is arranged at the through hole of the phase separation module 13, and the second sealing member 134 fills and seals the gap between the through hole and the inner sheath of the submarine cable 300, so that the waterproof sealing performance of the connecting end cover 131 and the connecting position of the inner sheath of the submarine cable 300 is ensured, and the watertight safety of the submarine compartment 200 is further improved.

In one embodiment, the second sealing member 134 includes a fixing ring and a sealing ring, the fixing ring is fixedly connected to at least one side end surface of the connection end cap 131 by a fastener such as a screw, and the inner diameter of the fixing ring is the same as the outer diameter of the inner sheath of the submarine cable 300, so as to allow the inner core 301 of the submarine cable 300 to pass through; outside the inner core 301 of submarine cable 300 was located to the sealing ring cover, and the sealing ring centre gripping was fixed in between solid fixed ring and the terminal surface of connecting end cover 131, the sealing ring is sealed to be filled in the clearance of protecting the layer in connecting end cover 131 and submarine cable 300, and sealed water-proof effects is better.

Optionally, the sealing ring may be a packing seal, a glue vulcanization seal, or an O-ring, depending on environmental factors such as water depth.

Specifically, as shown in fig. 3, the phase separation end cover 133 is provided with a plurality of phase separation through holes, and each phase separation through hole is used for penetrating through one phase separation unit 302 of the submarine cable 300; the isolated phase module 13 further includes a plurality of isolated phase seals 135, each of the isolated phase through holes being provided with an isolated phase seal 135, the plurality of isolated phase seals 135 being used to seal gaps between the isolated phase end caps 133 and the isolated phase sheaths of the respective isolated phase units 302 of the sea cable 300.

In this embodiment, a plurality of phase splitting through holes are formed in the phase splitting end cover 133, and each phase splitting through hole penetrates through one phase splitting unit 302 of the submarine cable 300, so that each phase splitting unit 302 of the submarine cable 300 is separated and is respectively connected to the submarine capsule 200 from different positions, and different phase splitting units 302 are conveniently and respectively connected to corresponding lines inside the submarine capsule 200, thereby ensuring stable and reliable provision of energy and communication for the inside of the submarine capsule 200; by arranging the separated-phase sealing member 135 in each separated-phase through hole, the separated-phase sealing member 135 is clamped and fixed in the corresponding separated-phase through hole, and the gap between the separated-phase through hole and the separated-phase protecting layer of the corresponding separated-phase unit 302 is filled and sealed, so that the waterproof sealing performance between the separated-phase end cover 133 and each separated-phase unit 302 is ensured, and the watertight safety of the seabed cabin 200 is further improved.

Optionally, the split phase seal 135 comprises an electrical cell seal, a fiber optic cell seal, or other type of seal. The split-phase sealing element 135 may be a packing sealing element, a glue vulcanization sealing element, or an O-ring, depending on environmental factors such as water depth.

In one embodiment, the outer sheath of the submarine cable 300 is sealed by the first sealing element 14, enters the inner cavity 110 of the fixing sleeve 11, cuts off the outer sheath of the submarine cable 300, and pulls open the steel wires of the submarine cable 300 to expose the inner sheath of the submarine cable 300; the water blocking function of the inner protection layer of the submarine cable 300 is recovered through the second sealing piece 134, the inner protection layer is sealed, the inner core 301 of the submarine cable 300 enters the sealing cavity 130, the inner protection layer of the submarine cable 300 is cut off, and each split-phase unit 302 of the submarine cable 300, such as an electric unit, an optical fiber unit or other transmission units, is exposed; the bearing flange plate 111 and the connecting port flange plate 202 of the seabed cabin body 200 are sealed in a traditional sealing mode, and the butt joint position of the flanges is welded by adopting a surfacing welding process, so that the long-term corrosion-resistant sealing performance is ensured. The water-proofing agent 700 is used in the sealing cavity 130 to individually seal the phase separation protective layer of each phase separation unit 302, finally the sealing of each phase separation unit 302 of the submarine cable 300 is completed through the phase separation end cover 133, and each phase separation unit 302 and the phase separation end cover 133 are mechanically sealed through the phase separation sealing member 135, so that at least four integral water-blocking performances are realized, and the water tightness and safety of the submarine cabin 200 are ensured.

Specifically, as shown in fig. 1 and 4, the supporting device 2 includes a clasping fixing member 21 and a connecting seat 22, the clasping fixing member 21 is fixed around the periphery of the fixing sleeve 11, one end of the connecting seat 22 is fixedly connected with the clasping fixing member 21, and the other end of the connecting seat 22 is used for fixedly connecting the cabin base 400.

In this implementation, embrace the periphery that the mounting 21 encircles and is fixed in fixed cover 11 through the setting, it is fixed to embrace fixed cover 11, then carry out mechanical connection through connecting seat 22 and bilge foundation 400, the realization is with fixed cover 11 fixed stay on bilge foundation 400, bilge foundation 400 and strutting arrangement 2 provide the support for fixed cover 11 together, the bending moment that submarine cable 300 was used in on fixed cover 11 etc. transmits to bilge foundation 400 through strutting arrangement 2 on, bilge foundation 400 and strutting arrangement 2 provide the holding power and subtract most submarine cable 300 bending moment, the bending moment that makes submarine capsule body 200 receive reduces greatly or can ignore, the mechanical protection effect of going into the cabin to submarine cable 300 is better.

In one embodiment, the clasping fastener 21 can be a hoop, which surrounds the periphery of the fixing sleeve 11 and then clasps and fixes the fixing sleeve 11 by bolts, so that the clasping and fixing effect is better.

In one embodiment, the connecting seat 22 is disposed below the anchor ear, and the top side of the connecting seat 22 is fixedly connected with the anchor ear. The supporting device 2 further comprises a bottom supporting member 23, the bottom supporting member 23 is fixedly arranged on the cabin base 400, and the bottom of the connecting seat 22 is fixedly connected to the bottom supporting member 23 through a bolt, so that the connecting seat 22 is fixedly supported on the cabin base 400. Of course, the fixing of the bottom support 23 and the connecting seat 22 is not limited to the bolt connection, and may also be in the form of welding, a latch connection, or the like.

Specifically, as shown in fig. 1 and 5, the over-bent protection device 3 includes a support base 31, an arc-shaped support plate 32 and a clasping clamp 33, wherein the support base 31 is used for connecting with a cabin base 400; the arc support plate 32 is connected to the top of the support base 31, the arc support plate 32 is bent along the extending direction thereof with a set arc, and the arc support plate 32 is used for supporting and placing the submarine cable 300; the clasping clamp 33 is connected with the arc support plate 32 and is used for fixing the submarine cable 300 on the arc support plate 32.

In this embodiment, the support base 31 is connected to the cabin base 400 to provide support for the over-bent protection device 3; the arc-shaped support plate 32 is connected to the top of the support base 31 and is bent along the extension direction of the arc-shaped support plate, the submarine cable 300 with the bending limiting module 12 installed is supported and placed on the arc-shaped support plate 32, the submarine cable 300 is fixed on the arc-shaped support plate 32 through the holding clamp 33, and the submarine cable 300 is arranged and extended tightly close to the arc-shaped support plate 32, so that the submarine cable 300 is limited to be bent according to the set radian between the connection port 201 of the submarine cabin 200 and the bottom contact position of the seabed 500, the bending radian of the submarine cable 300 is ensured to be within the safe bending radius, the submarine cable 300 is prevented from being bent over, the submarine cable 300 can smoothly ascend from the seabed 500 and is connected into the submarine cabin 200, the bending protection performance is better, the water tightness and the mechanical protection performance of the submarine cabin 200 are effectively ensured, and the safety of the submarine cable 300 during construction and arrangement in place is ensured.

Specifically, the clasping clamp 33 may be a hoop, a tie or other clasping structure that can perform the same fixing function.

Specifically, the number of the holding clamps 33 is plural, and the plurality of holding clamps 33 are arranged at intervals along the extending direction of the arc-shaped support plate 32, so that the effect of fixing the submarine cable 300 on the arc-shaped support plate 32 is better, and the submarine cable 300 is ensured to be bent along the arc-shaped support plate 32.

Specifically, the cross section of the arc support plate 32 perpendicular to the extending direction thereof is an arc surface.

In this embodiment, be the arcwall face through the cross-section that sets up arc backup pad 32, for example the arcwall face, arc backup pad 32 can laminate better and support submarine cable 300, and arc backup pad 32 is bigger with submarine cable 300's contact support area, and the atress is homodisperse more, can prevent effectively moreover that submarine cable 300 from breaking away from arc backup pad 32, and is better with fixed effect to submarine cable 300's support, guarantees submarine cable 300 construction cloth and puts and the safety when lieing.

In one embodiment, the supporting base 31 includes a plurality of bottom supporting seats 311 and a plurality of supporting and docking plates 312, the plurality of bottom supporting seats 311 are fixedly disposed on the pod base 400, the plurality of supporting and docking plates 312 are connected to the tops of the plurality of bottom supporting seats 311 in a one-to-one correspondence, and the arc-shaped supporting plate 32 is supportedly connected to the plurality of supporting and docking plates 312. Through adjusting each inclination that supports buttcover plate 312 for corresponding bottom sprag seat 311, can adjust the bottom phase-match of a plurality of support buttcover plate 312 top holding surface and arc backup pad 32, the contact is inseparabler, and the supporting effect is better. The bottom supporting seat 311 may be welded to the bilge seat 400, or may be connected by bolts or bolts.

On the other hand, as shown in fig. 1, the utility model also provides a submarine capsule body system, including submarine functional cabin and the submarine cable entry sealing protection system that is provided by any of the above-mentioned embodiments. The seabed functional cabin comprises a cabin base 400 and a seabed cabin body 200, wherein the cabin base 400 is supported and arranged on a seabed 500, the seabed cabin body 200 is supported and arranged on the cabin base 400, and the seabed cabin body 200 is provided with a connecting port 201.

The utility model discloses a submarine cabin body system has above-mentioned submarine cable and goes into cabin sealing protection system's whole advantage, no longer gives unnecessary details here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A submarine cable entry seal protection system, comprising:

the cabin entering device comprises a fixing sleeve, a bending limiting module and a phase splitting module, wherein an outlet of the fixing sleeve is used for fixedly and hermetically connecting a connecting port of a seabed cabin body, an inlet of the fixing sleeve is used for penetrating a submarine cable and is hermetically connected with an outer protective layer of the submarine cable, and an inner cavity of the fixing sleeve is used for fixing the submarine cable; the bending limiting module is connected to the inlet end of the fixing sleeve and is used for being sleeved outside the submarine cable; the phase splitting module is connected to the outlet end of the fixed sleeve and is used for performing phase splitting sealing on the submarine cable;

the supporting device is used for fixedly connecting the fixing sleeve and a cabin base of the seabed cabin body so as to support the fixing sleeve; and

and the over-bending protection device is used for being arranged on the cabin base and adjacently arranged on one side of the sea bottom cabin body, which is deviated from the supporting device, and the over-bending protection device is used for supporting the submarine cable according to a set radian.

2. The sea cable entry capsule protection system of claim 1, wherein said cover has an inner diameter at the outlet greater than an inner diameter at the inlet, said inner diameter at the inlet being the same as the outer diameter of the outer sheath of said sea cable, and wherein said cover has an inner cavity with a tapered shape with a gradually increasing cross-section from the inlet to the outlet, said inner cavity being filled with an adhesive.

3. The sea cable entry seal protection system of claim 1, wherein the outer circumference of the outlet end of the retaining sleeve is provided with a force-bearing flange plate, and the force-bearing flange plate is used for sealing and butting with a connector flange plate of the sea-bottom cabin body.

4. The submarine cable entry sealing and protecting system according to claim 1, wherein the phase splitting module comprises a connecting end cover, a cylinder and a phase splitting end cover, one end of the connecting end cover is fixedly and hermetically connected with the outlet of the fixing sleeve, and the connecting end cover is provided with a through hole which is used for penetrating through the inner core of the submarine cable and is hermetically connected with the inner sheath of the submarine cable;

one end of the barrel body is fixedly and hermetically connected with the other end of the connecting end cover, the phase splitting end cover is fixedly and hermetically connected with the other end of the barrel body, the connecting end cover, the barrel body and the phase splitting end cover enclose a sealing cavity, and a waterproof agent is filled in the sealing cavity;

the phase separation end cover is used for separating and sealing each phase separation unit of the submarine cable.

5. The sea cable entry sealing protection system of claim 4, wherein a plurality of phase splitting through holes are formed in the phase splitting end cover, and each phase splitting through hole is used for penetrating one phase splitting unit of the sea cable;

the split-phase module further comprises a plurality of split-phase sealing members, each split-phase through hole is provided with the split-phase sealing member, and the split-phase sealing members are used for sealing gaps between the split-phase end cover and split-phase protection layers of the split-phase units of the submarine cable.

6. The sea cable entry seal protection system of claim 4, wherein said entry device further comprises a first seal disposed at an inlet of said harness for sealing a gap between said inlet of said harness and an outer jacket of said sea cable; and/or the phase separation module further comprises a second sealing piece, wherein the second sealing piece is arranged on the through hole and used for sealing a gap between the connecting end cover and the inner protection layer of the submarine cable.

7. A sea cable entry seal protection system as claimed in any one of claims 1 to 6, wherein said support means comprises a clasping fastener and a connecting seat, said clasping fastener is fixed around the periphery of said fixing sleeve, one end of said connecting seat is fixedly connected with said clasping fastener, and the other end of said connecting seat is used for fixedly connecting with said cabin base.

8. A sea cable entry seal protection system according to any one of claims 1 to 6, wherein the over-bend protection device comprises a support base, an arc-shaped support plate and a holding clamp, the support base being adapted to be connected to the tank base; the arc-shaped support plate is connected to the top of the support base, is bent at the set radian along the extending direction of the arc-shaped support plate, and is used for supporting and placing the submarine cable; the holding clamp is connected with the arc-shaped supporting plate and is used for fixing the submarine cable on the arc-shaped supporting plate.

9. The sea cable entry capsule protection system of claim 8, wherein the cross-section of the curved support plate perpendicular to the direction of extension is curved.

10. A subsea capsule system comprising a subsea functional capsule and a sea cable entry seal protection system as claimed in any of claims 1 to 9.

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