Optical monitoring device conforming to submarine cable surface damage

Abstract

The utility model discloses an optical monitoring device conforming to submarine cable surface damage, and relates to the submarine cable technology field, the optical monitoring device comprises a mounting ring and a cable main body, the mounting ring is formed by assembling two groups of semi-circular ring supports, and the right side of the outer part of the mounting ring is fixedly connected with submillimeter wave emitters at equal intervals and at uniform circumference. According to the utility model, the connecting blocks on the semicircular supports are inserted into the connecting grooves on the similar semicircular supports, so that the assembly of the mounting ring can be completed, the mounting ring is sleeved on the annular groove outside the cable main body, at the moment, the servo motor is started to drive the winding drum to rotate, and the winding drum can drive the elastic rope to wind; at the moment, the elastic rope pulls the rubber plug to cancel shielding of the water inlet, external water liquid can enter the interior of the movable groove, a positioning rod on one side of the limiting sliding block is pushed to be inserted into a positioning hole in the connecting block, and rapid assembly of the mounting ring is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to submarine cable technical field, concretely is an optical monitoring device that accords with submarine cable surface damage. BACKGROUND

[0002] The surface damage monitoring device of underwater submarine cable is very important, because it can detect the cable skin damage caused by external factors such as marine biological erosion, ocean current scouring, fishing net or anchor strike in real time, prevent seawater penetration from causing insulation failure, signal interruption or even breakage. Through early warning and accurate positioning of the damage position, the maintenance response time can be greatly shortened, the maintenance cost can be reduced, the stability of global communication network and energy transmission can be ensured, and huge economic losses and international communication safety risks caused by faults can be avoided.

[0003] The monitoring device is installed with submillimeter wave transmitting and receiving devices outside the submarine cable outer sheath. The transmitting device periodically transmits submillimeter wave signals to the cable, and the receiving device is responsible for collecting the submillimeter wave signals reflected, transmitted and scattered by the cable, thereby effectively monitoring the surface damage of the submarine cable.

[0004] However, the monitoring device has low flexibility, and is not convenient to install and remove outside the submarine cable, thereby affecting the convenience of overall maintenance of the monitoring device and the safety and stability of long-term use of the monitoring device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an optical monitoring device that accords with submarine cable surface damage to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: an optical monitoring device that accords with submarine cable surface damage, comprising a mounting ring and a cable main body, the mounting ring is assembled by two groups of semicircular ring supports, a submillimeter wave transmitter is fixed on the right side of the outer part of the mounting ring at equal distances, a receiver is fixed on the left side of the outer part of the mounting ring at equal distances, the inside of the mounting ring is provided with the cable main body, a power generation mechanism is arranged at equal distances on the inside of the mounting ring, and the utility model further comprises a connecting mechanism, which is used for mounting and removing the mounting ring outside the cable main body.

[0007] Preferably, the mounting ring is made of titanium alloy material, a plurality of annular grooves are uniformly and equidistantly formed on the outer part of the cable main body, and the annular grooves are used for mounting and limiting the mounting ring.

[0008] Preferably, the power generation mechanism comprises a through groove equidistantly and uniformly formed in the inside of the mounting ring, a rotating vane is rotatably connected to the center position of the inside of the through groove, and a rotating generator is coaxially mounted on the right side of the rotating vane.

[0009] Preferably, the connecting mechanism comprises two groups of semicircular ring support connecting slots staggered, the two groups of semicircular ring supports are fixedly connected with connecting blocks inserted into the connecting slots, a positioning hole is arranged at the center of the connecting block, a movable slot is arranged on one side of the two groups of semicircular ring supports, a limiting slide is slidably connected in the movable slot, a positioning rod is fixedly connected to the inner side of the limiting slide, the positioning rod is inserted into the positioning hole, a water inlet is arranged at the center of the outer side of the movable slot, a servo motor is fixedly connected to one side of the semicircular ring support, a winding drum is mounted at the output shaft end of the servo motor, a pull rope is fixedly connected to one side of the outer side of the winding drum, the pull rope is fixedly connected to the limiting slide at the end away from the winding drum, an elastic rope is fixedly connected to one side of the outer side of the winding drum, a rubber plug is fixedly connected to one side of the elastic rope away from the winding drum, a spring is fixedly connected to one side of the rubber plug away from the elastic rope, and the spring is fixedly connected to the movable slot at the side away from the rubber plug.

[0010] Preferably, the pull rope is wound on the winding drum in multiple groups, and the winding direction of the pull rope is opposite to the rotating direction of the winding drum.

[0011] Preferably, the submillimeter wave transmitter on the mounting ring and the receiver on the same type of mounting ring mutually perform signal transmission and reception, and the included angle between the same type of submillimeter wave transmitter and receiver is sixty degrees.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The optical monitoring device for the surface damage of the submarine cable is composed of two groups of semicircular ring supports through the mounting ring, connecting slots and connecting blocks are staggered on the connecting surface of the semicircular ring support, when the connecting block on the semicircular ring support is inserted into the connecting slot on the same type of semicircular ring support, the assembly of the mounting ring can be completed, and the mounting ring is sleeved on the annular groove outside the cable body, at this time, the servo motor is started to drive the winding drum to rotate, the winding drum can drive the elastic rope to wind, at this time, the elastic rope pulls the rubber plug to cancel the shielding of the water inlet, the external water can enter the inside of the movable slot, and the positioning rod on one side of the limiting slide is inserted into the positioning hole on the connecting block, the quick assembly of the mounting ring is completed, when the mounting ring needs to be disassembled, the servo motor drives the winding drum to continue to rotate, at this time, the winding drum drives the pull rope to wind, the pull rope can drive the positioning rod to be pulled out of the positioning hole on the connecting block through the limiting slide, so that the mounting ring outside the cable body is quickly disassembled, the convenience of disassembling the optical monitoring device is improved, and the stability of the optical monitoring device during long-time use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is the cross section structure schematic view of left side of the utility model;

[0016] Figure 3 It is the cross section structure schematic view of left side of the utility model Figure 2 It is the cross section structure schematic view of left side of the utility model;

[0017] Figure 4 It is the cross section structure schematic view of left side of the utility model;

[0018] Figure 5 It is the cross section structure schematic view of left side of the utility model.

[0019] In the drawing: 1, mounting ring; 101, sub-millimeter wave transmitter; 102, receiver; 103, connecting groove; 104, connecting block; 105, positioning hole; 2, cable main body; 201, annular groove; 3, power generation mechanism; 301, through groove; 302, rotating blade; 303, rotating generator; 4, connecting mechanism; 401, movable groove; 402, limit sliding block; 403, positioning rod; 404, water inlet; 5, servo motor; 501, winding drum; 502, pull rope; 503, elastic rope; 6, rubber plug; 601, spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of optical monitoring device in line with submarine cable surface damage, including mounting ring 1 and cable main body 2, mounting ring 1 is assembled by two groups of half circular ring support, the right side equidistance even circumference of mounting ring 1 outside is fixed with sub-millimeter wave transmitter 101, the left side equidistance even circumference of mounting ring 1 outside is fixed with receiver 102, the inside of mounting ring 1 is provided with cable main body 2, the inside equidistance even circumference of mounting ring 1 is provided with power generation mechanism 3, further including connecting mechanism 4, connecting mechanism 4 is used for mounting ring 1 installation and removal in the outside of cable main body 2, sub-millimeter wave transmitter 101 periodically emits sub-millimeter wave signal to cable main body 2, receiver 102 is responsible for collecting after the sub-millimeter wave signal of submarine cable reflection, transmission and scattering, to carry out submarine cable surface damage monitoring.

[0022] The mounting ring 1 is made of titanium alloy, and a plurality of ring grooves 201 are uniformly and equidistantly arranged on the outer part of the cable main body 2, which are used for mounting and limiting the mounting ring 1. The titanium alloy has good compression resistance.

[0023] The power generation mechanism 3 comprises a through groove 301 uniformly and equidistantly arranged on the inner part of the mounting ring 1, a rotating blade 302 rotatably connected to the center of the through groove 301, and a rotating generator 303 concentrically arranged on the right side of the rotating blade 302. The rotating generator 303 is fixedly connected to the outer part of the mounting ring 1. The external water flow can push the rotating blade 302 to rotate through the through groove 301. At this time, the rotating generator 303 on one side of the rotating blade 302 can convert mechanical energy into electrical energy, thereby assisting the power supply of the sub-millimeter wave transmitter 101 and the receiver 102.

[0024] The connecting mechanism 4 comprises two groups of connecting grooves 103 staggered at the connecting positions of the half circular ring supports, two groups of half circular ring supports which are fixedly connected to the connecting blocks 104 inserted into the connecting grooves 103, a positioning hole 105 arranged at the center of the inner part of the connecting block 104, an active groove 401 arranged on one side of the inner part of the half circular ring support, a limiting slide block 402 slidably connected to the inner part of the active groove 401, a positioning rod 403 fixedly connected to the inner side of the limiting slide block 402, the positioning rod 403 being inserted into the positioning hole 105, a water inlet 404 arranged at the center of the outer side of the active groove 401, a servo motor 5 fixedly connected to one side of the inner part of the half circular ring support, a winding drum 501 arranged at the output shaft end of the servo motor 5, a pull rope 502 fixedly connected to one side of the outer part of the winding drum 501, the pull rope 502 being fixedly connected to the limiting slide block 402 at the end far away from the winding drum 501, an elastic rope 503 fixedly connected to one side of the outer part of the winding drum 501, a rubber plug 6 fixedly connected to one side of the elastic rope 503 far away from the winding drum 501, a spring 601 fixedly connected to one side of the rubber plug 6 far away from the elastic rope 503, and the spring 601 being fixedly connected to the active groove 401 far away from the rubber plug 6. When the connecting block 104 on the half circular ring support is inserted into the connecting groove 103 on the similar half circular ring support, the splicing of the two groups of half circular ring supports can be completed. At this time, the winding drum 501 is driven to rotate by the servo motor 5, the elastic rope 503 is wound by the winding drum 501, the rubber plug 6 is pulled by the elastic rope 503, the water inlet 404 is unblocked, the external water liquid can enter the active groove 401 through the water inlet 404, and the positioning rod 403 on the limiting slide block 402 is inserted into the positioning hole 105 on the connecting block 104. When the winding drum 501 is continuously driven to rotate by the servo motor 5, the pull rope 502 is wound by the winding drum 501, the positioning rod 403 is pulled out of the positioning hole 105 on the connecting block 104 by the pull rope 502, and the half circular ring support is disassembled.

[0025] The pull rope 502 is wound on the winding drum 501 in multiple groups, and the winding direction of the pull rope 502 is opposite to the turning direction of the winding drum 501; when the winding drum 501 drives the elastic rope 503 to be wound, the pull rope 502 can be unwound; with the continuous turning of the winding drum 501, the pull rope 502 can be wound in the reverse direction after being unwound; at this time, the elastic rope 503 can be stretched due to the elastic force, and the pull rope 502 can drive the positioning rod 403 to move through the limiting sliding block 402.

[0026] The submillimeter wave transmitter 101 on the mounting ring 1 and the receiver 102 on the same type of mounting ring 1 transmit and receive signals with each other, and the included angle between the same type of submillimeter wave transmitter 101 and the receiver 102 is sixty degrees; and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0027] In use, when the connecting block 104 on the semicircular ring support is inserted into the connecting groove 103 on the same type of semicircular ring support, the splicing of the two groups of semicircular ring supports can be completed; at this time, the winding drum 501 is driven to rotate by the servo motor 5, the elastic rope 503 is wound by the winding drum 501, the elastic rope 503 can pull the rubber plug 6 to cancel the shielding of the water inlet 404, and the external water can enter the movable groove 401 through the water inlet 404 and push the positioning rod 403 on the limiting sliding block 402 to insert into the positioning hole 105 on the connecting block 104; at this time, the installation of the mounting ring 1 on the outside of the cable main body 2 can be completed, and the mounting ring 1 is provided with multiple through grooves 301; when the external water flow passes through the through grooves 301, the rotating blades 302 can be pushed to rotate; at this time, the rotating generator 303 on one side of the rotating blades 302 can convert mechanical energy into electrical energy, thereby assisting in power supply for the submillimeter wave transmitter 101 and the receiver 102; and the submillimeter wave transmitter 101 on the mounting ring 1 periodically emits submillimeter wave signals to the cable main body 2, and the receiver 102 on the same type of mounting ring 1 is responsible for collecting the submillimeter wave signals reflected, transmitted and scattered by the cable, thereby monitoring the surface damage of the submarine cable.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model; various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An optical monitoring device in accordance with the surface damage of a submarine cable, comprising a mounting ring (1) and a cable body (2), characterized in that: The mounting ring (1) is assembled by two groups of semicircular ring supports, a submillimeter wave transmitter (101) is fixedly connected to the right side of the outer part of the mounting ring (1) at equal intervals and uniformly in a circle, a receiver (102) is fixedly connected to the left side of the outer part of the mounting ring (1) at equal intervals and uniformly in a circle, a cable main body (2) is arranged in the inner part of the mounting ring (1), a power generation mechanism (3) is arranged in the inner part of the mounting ring (1) at equal intervals and uniformly in a circle, and a connecting mechanism (4) is arranged outside the cable main body (2) for mounting and dismounting the mounting ring (1).

2. An optical monitoring device for detecting surface damage to a submarine cable according to claim 1, wherein: The mounting ring (1) is made of titanium alloy material, a plurality of annular grooves (201) are uniformly and equidistantly formed on the outer part of the cable main body (2), and the annular grooves (201) are used for mounting and limiting the mounting ring (1).

3. An optical monitoring device for detecting surface damage to a submarine cable according to claim 1, wherein: The power generation mechanism (3) comprises a through groove (301) which is uniformly and equidistantly formed in the inner part of the mounting ring (1), a rotating blade (302) which is rotatably connected to the center of the inner part of the through groove (301), and a rotating generator (303) which is concentrically arranged on the right side of the rotating blade (302) and is fixedly connected to the outer part of the mounting ring (1).

4. An optical monitoring device for detecting surface damage to a submarine cable according to claim 1, wherein: The connecting mechanism (4) comprises a connecting groove (103) which is alternately formed at the connecting position of the two groups of semicircular ring supports, a connecting block (104) which is inserted into the connecting groove (103) and is fixedly connected to the two groups of semicircular ring supports, a positioning hole (105) which is formed in the center of the inner part of the connecting block (104), a movable groove (401) which is alternately formed on one side of the inner part of the two groups of semicircular ring supports, a limiting sliding block (402) which is slidably connected to the inner part of the movable groove (401), a positioning rod (403) which is fixedly connected to the inner side of the limiting sliding block (402) and is inserted into the positioning hole (105), a water inlet (404) which is formed at the center of the outer side of the movable groove (401), a servo motor (5) which is fixedly connected to one side of the inner part of the semicircular ring support, a winding drum (501) which is arranged on the output shaft end of the servo motor (5), a pull rope (502) which is fixedly connected to one side of the outer part of the winding drum (501) and is fixedly connected to the limiting sliding block (402) at the end away from the winding drum (501), an elastic rope (503) which is fixedly connected to one side of the outer part of the winding drum (501), a rubber plug (6) which is fixedly connected to one side of the elastic rope (503) away from the winding drum (501), a spring (601) which is fixedly connected to one side of the rubber plug (6) away from the elastic rope (503) and is fixedly connected to the movable groove (401).

5. An optical monitoring device for detecting surface damage to a submarine cable according to claim 4, wherein: A plurality of groups of pull ropes (502) are wound on the winding drum (501), and the winding direction of the pull rope (502) is opposite to the rotating direction of the winding drum (501).

6. An optical monitoring device for detecting surface damage to a submarine cable according to claim 1, wherein: The submillimeter wave transmitter (101) on the mounting ring (1) and the receiver (102) on the same type of mounting ring (1) mutually transmit and receive signals, and the included angle between the submillimeter wave transmitter (101) and the receiver (102) is sixty degrees.

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