CN111509829A - Submarine cable inspection device - Google Patents
Submarine cable inspection device Download PDFInfo
- Publication number
- CN111509829A CN111509829A CN202010350096.XA CN202010350096A CN111509829A CN 111509829 A CN111509829 A CN 111509829A CN 202010350096 A CN202010350096 A CN 202010350096A CN 111509829 A CN111509829 A CN 111509829A
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- CN
- China
- Prior art keywords
- power generation
- submarine cable
- underwater vehicle
- solar cell
- inspection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/20—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to a submarine cable inspection device which comprises a submarine vehicle, a power supply system and an inspection system, wherein the submarine vehicle can sail on the water surface and underwater, the power supply system and the inspection system are arranged on the submarine vehicle, the inspection system can detect submarine cables, the power supply system provides electric energy for the submarine vehicle and the inspection system, the power supply system comprises an electric storage unit arranged inside the submarine vehicle and a power generation unit arranged outside the submarine vehicle, the power generation unit comprises a solar cell panel and wave energy power generation equipment, and the solar cell panel and the wave energy power generation equipment respectively utilize solar energy and wave energy to generate electricity and transmit the electric energy to the electric storage unit. The device is through installing solar cell panel and wave energy power generation facility on the ware of diving, and the sunlight and the wave on the ability make full use of sea provide the electric energy for the ware of diving to prolong this submarine cable inspection device's the operation time of going out to the sea, improve and patrol and examine efficiency, have can independently supply energy and patrol and examine efficient characteristics.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a submarine cable inspection device.
Background
Submarine cables are the most important means for transporting electric energy between islands and land. Influenced by complex marine environment, submarine cables face various potential safety hazards in operation. For example: the cable is damaged due to the factors of chemical corrosion and electrolytic corrosion of a cable protective layer caused by a laying environment, partial discharge and aging of the cable caused by impurities and micropores in raw materials, overload of the cable, load impact and the like. In addition, with the development of the harbor industry and the development of the shoreline, the number of ships sailing along the island and stopping at harbor increases, and anchor damage accidents also frequently occur. Daily maintenance of the submarine cable is difficult to realize on-land cables, once the submarine cable breaks down, the submarine cable is difficult to repair, high in cost and long in time consumption, and great influence is caused on power supply of a power grid. In order to avoid accidents of submarine cables, the submarine cables need to be enhanced to be patrolled and examined so as to avoid risks.
The conventional submarine cable inspection method comprises the following steps: diver inspection, robot towing, water surface inspection, etc. In the inspection work in such a manner, the degree of danger of personnel is high, the long-time work cannot be performed, the power supply is difficult, and the detection accuracy is low. Therefore, a device which can be submerged to the seabed for long-time operation is needed, has the characteristic of self-supply of energy and is suitable for long-time offshore operation.
Disclosure of Invention
The invention aims to provide a submarine cable inspection device which has the characteristics of being capable of automatically supplementing electric energy and high in inspection efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the submarine cable inspection device comprises a submersible vehicle capable of sailing on the water surface and underwater, a power supply system and an inspection system, wherein the power supply system and the inspection system are arranged on the submersible vehicle, the inspection system can detect submarine cables, the power supply system supplies electric energy to the submersible vehicle and the inspection system, the power supply system comprises an electricity storage unit arranged inside the submersible vehicle and a power generation unit arranged outside the submersible vehicle, the power generation unit comprises a solar cell panel and wave energy power generation equipment, and the solar cell panel and the wave energy power generation equipment respectively utilize solar energy and wave energy to generate electricity and transmit the electric energy to the electricity storage unit.
Furthermore, a support piece is arranged at the top of the underwater vehicle, the solar cell panel is mounted on the support piece, and the wave energy power generation equipment is mounted on the bottom surface of the solar cell panel.
Furthermore, the bottom surface of the solar cell panel is hinged to the supporting piece, a plurality of electric push rods are arranged on the periphery of the supporting piece at intervals, two ends of each electric push rod are connected with the supporting piece and the bottom surface of the solar cell panel respectively, and the electric push rods drive the solar cell panel to rotate around the supporting piece.
Further, the power generation unit still includes buoyant raft and gas holder, the buoyant raft set up in solar cell panel's edge portion, the buoyant raft is provided with the chamber that holds that is used for holding gas, the gas holder install in the ware of diving, the gas holder with hold the chamber intercommunication, when the ware of diving, gas is followed the gas holder flows in hold the chamber, when the ware of diving dive dives, gas is followed hold the chamber and flow in the gas holder.
Furthermore, a warning lamp is arranged on the top surface of the solar cell panel.
Furthermore, the wave energy power generation equipment comprises an arc-shaped rack, a transmission assembly, an overrunning clutch and a generator, wherein the arc-shaped rack is installed on the floating raft, the arc-shaped rack is connected with the overrunning clutch through the transmission assembly, the generator is connected with the overrunning clutch, and the generator is electrically connected with the power storage unit.
Furthermore, the inspection system comprises an infrared camera, an ultraviolet camera, a shallow stratum profiler and a Doppler sonar log.
Further, the underwater vehicle includes the casing, the casing is cylindrical cavity structure, follows the advancing direction of underwater vehicle, the afterbody of casing is provided with screw and cross rudder, be provided with a plurality of ballast water tanks in the casing, the ballast water tank with the outside alternative intercommunication of casing.
Further, the underwater vehicle also comprises a navigation unit, a lighting unit and a sonar unit.
Further, the underwater vehicle also comprises an anchor.
Compared with the prior art, the invention has the beneficial effects that:
according to the submarine cable inspection device, the solar cell panel and the wave energy power generation equipment are mounted on the underwater vehicle, so that sunlight and waves on the sea surface can be fully utilized to provide electric energy for the underwater vehicle, the working time of the submarine cable inspection device on the sea is prolonged, the inspection efficiency is improved, and the submarine cable inspection device has the characteristics of being capable of supplying energy autonomously and high in inspection efficiency.
Drawings
Fig. 1 is a schematic view of a submarine cable inspection apparatus according to an embodiment.
Fig. 2 is a schematic view of the underwater vehicle of the embodiment.
Fig. 3 is a schematic view of a power generation unit of the embodiment.
In the figure:
1. a submersible vehicle; 10. a housing; 11. a propeller; 12. a cross rudder; 13. a ballast water tank; 14. a support member; 141. an electric push rod; 15. an anchor; 16. a sonar unit; 17. a navigation unit; 18. a watchtower; 2. a solar panel; 21. a warning light; 3. a wave energy power generation device; 4. floating rafts; 5. sea surface; 6. a routing inspection system; 7. a gas storage tank; 8. and (4) a storage battery.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, the submarine cable inspection device provided by the invention comprises a submersible vehicle 1 capable of sailing on the water surface and under the water, and a power supply system and an inspection system which are arranged on the submersible vehicle 1, wherein the inspection system can detect submarine cables, the power supply system supplies electric energy to the submersible vehicle 1 and the inspection system, the power supply system comprises an electricity storage unit arranged inside the submersible vehicle 1 and a power generation unit arranged outside the submersible vehicle 1, the power generation unit comprises a solar cell panel 2 and a wave energy power generation device 3, and the solar cell panel 2 and the wave energy power generation device 3 respectively generate electricity by using solar energy and wave energy and transmit the electric energy to the electricity storage unit. It is understood that the solar cell panel 2 is a device for converting solar radiation energy into electric energy by a photoelectric effect or a photochemical effect by absorbing sunlight, and mainly includes a tempered glass, a cell sheet, a back sheet, and a metal protection member. The tempered glass and the back plate are used for sealing and insulating the battery piece, and the metal protector plays a supporting and protecting role. The solar cell panel 2 is electrically connected with the electricity storage unit and provides electric energy for the electricity storage unit. The wave power generation equipment 3 is a device that generates electric energy using wave energy as power. The kinetic energy of the waves is converted into mechanical energy to drive the generator to rotate to generate electricity. The generator is electrically connected with the electricity storage unit and provides electric energy for the electricity storage unit. The electricity storage unit comprises a storage battery, and the electricity storage unit, the underwater vehicle 1 and the inspection system as well as other electronic equipment installed on the underwater vehicle 1 provide electric energy. In the embodiment, the solar cell panel 2 and the wave energy power generation equipment 3 are arranged on the underwater vehicle 1, so that sunlight and waves on the sea surface can be fully utilized to provide electric energy for the underwater vehicle 1, the working time of the submarine cable inspection device in the sea is prolonged, the inspection efficiency is improved, frequent back and forth energy supplement is avoided, and the investment of shore-based matched energy supply equipment is reduced. The solar cell panel 1 and the wave energy power generation equipment are arranged on the underwater vehicle 1, so that the submarine cable inspection device can supply energy independently in the offshore operation, and the operation time is prolonged. The system has the characteristics of autonomous energy supply and high inspection efficiency.
Specifically, the top of the underwater vehicle 1 is provided with a support 14, the solar cell panel 2 is mounted on the support 14, and the wave energy power generation equipment 3 is mounted on the bottom surface of the solar cell panel 2. It can be understood that the top surface of the solar cell panel 2 is tempered glass, which has good light transmittance, and the top surface of the solar cell panel 2 faces the sun direction. The bottom surface of the solar cell panel 2 is a back plate, and the wave energy power generation equipment 3 is arranged on the back plate. When generating electricity, the solar cell panel 2 is positioned at the sea surface 5, so that the top surface of the solar cell panel absorbs sunlight. Meanwhile, the wave power generation equipment 3 can convert the kinetic energy generated by the fluctuation of waves into mechanical energy to generate electricity.
In one embodiment, referring to fig. 3, the bottom surface of the solar cell panel 2 is hinged to the support 14, a plurality of electric push rods 141 are arranged at intervals around the support 14, two ends of each electric push rod 141 are respectively connected to the support 14 and the bottom surface of the solar cell panel 2, and the electric push rods 141 drive the solar cell panel to rotate around the support 14. In this embodiment, the solar cell panel 2 is of a rectangular structure, and the geometric center of the solar cell panel 2 is hinged to the top end of the supporting member 14, so that the solar cell panel 2 can rotate around the top end of the supporting member 14. The four electric push rods 141 are uniformly arranged on the periphery of the support member 14, the fixed ends of the electric push rods 141 are connected with the support member 14, the telescopic ends of the electric push rods 141 are connected with the bottom surface of the solar cell panel 2, the solar cell panel 2 can be driven to rotate around the top end of the support member 14 through the telescopic action of the electric push rods 141, the top surface of the solar cell panel 2 faces the sun direction, and the power generation efficiency of the solar cell panel is guaranteed. In other embodiments, the angle of the solar panel 2 may also be adjusted by an angle adjustment motor.
Specifically, the power generation unit still includes buoyant raft 4 and gas holder 7, and buoyant raft 4 sets up in solar cell panel 2's edge portion, and buoyant raft 4 is provided with the chamber that holds that is used for holding gas, and gas holder 7 installs in the ware of diving, and gas holder 7 passes through the hose intercommunication with holding the chamber, and when diving ware 1 floats on, gas flows into from gas holder 7 and holds the chamber, and when diving ware 1 dives, gas flows into gas holder 7 from holding the chamber. It will be appreciated that the buoyant raft 4 is used to provide buoyancy to the submersible vehicle 1 when the submersible vehicle 1 is floating up for charging, so that the solar panel 2 can be suspended above the sea surface 5. The edge setting of solar cell panel 2 is followed to buoyant raft 4, and buoyant raft 4 makes after aerifing that ware 1 floats freely, can block the unrestrained water simultaneously, avoids the unrestrained solar cell panel 2 that gets into of water. The buoyant raft 4 is communicated with the air storage tank 7 through a hose, a valve and an air compressor are connected between the buoyant raft 4 and the air storage tank, when the underwater vehicle 1 floats upwards, the valve is opened, and air enters the buoyant raft 4 from the air storage tank, so that the buoyant raft 4 is expanded to generate buoyancy. When the underwater vehicle 1 submerges, the air compressor is started, the air enters the air storage tank 7 from the containing cavity, and the buoyant raft 4 contracts to lose buoyancy.
Specifically, the wave energy power generation equipment 3 comprises an arc-shaped rack, a transmission assembly, an overrunning clutch and a power generator, wherein the transmission assembly comprises a plurality of gears capable of being meshed and connected, the arc-shaped rack is installed on the floating raft 4, and the arc-shaped rack is connected with the overrunning clutch through the gears. When the wave energy generates electricity, the floating raft 4 swings along the waves, the overrunning clutch converts the swinging motion of the floating raft 4 into one-way rotation, the generator is driven to rotate to generate electricity, and the generator transmits the electric energy to the electricity storage unit.
Specifically, the electricity storage unit includes a plurality of storage batteries 8. The storage battery 8 provides electric energy for the underwater vehicle 1, the inspection system and other electronic equipment.
Specifically, the top surface of the solar cell panel 2 is provided with a warning lamp 21. The warning lamp 21 is arranged to warn other ships to avoid collision when the underwater vehicle 1 is floated and charged. In other embodiments, audible and visual alarms may also be used.
Specifically, the inspection system 6 includes an infrared camera, an ultraviolet camera, a shallow layer profiler and a doppler sonar log. In this embodiment, the infrared camera, the ultraviolet camera, the shallow layer profiler and the doppler sonar log are all electrically connected to the power storage unit. The infrared camera and the ultraviolet camera are arranged in a toughened glass box, and the toughened glass box is arranged at the bottom of the underwater vehicle 1. The shallow layer profiler and the Doppler sonar log are used for surveying the submarine cable path and measuring the buried depth of the submarine cable. The infrared camera and the ultraviolet camera are used for detecting the heating and discharging conditions of the submarine cable.
Specifically, the underwater vehicle 1 comprises a shell 10, the shell 10 is a cylindrical cavity structure, a propeller 11 and a cross rudder 12 are arranged at the tail of the shell 10 along the advancing direction of the underwater vehicle 1, a plurality of ballast water tanks 13 are arranged in the shell 10, and the ballast water tanks 13 are selectively communicated with the outside of the shell 10. In this embodiment, with the advancing direction of the underwater vehicle 1 as a reference, there are four ballast water tanks 13, the four ballast water tanks 13 are respectively disposed at the front left position, the front right position, the rear left position, and the rear right position of the casing 10, the four ballast water tanks 13 are communicated with the outside of the casing 10 through pipes, valves and pumps are further disposed on the pipes, seawater outside the casing 10 is driven to enter and exit the ballast water tanks 13 through the pumps, and the water volume of each ballast water tank 13 is used to adjust the navigation attitude and buoyancy of the underwater vehicle 1.
In particular, the underwater vehicle 1 also comprises a navigation unit 17, a lighting unit and a sonar unit 16. The navigation unit 17 includes a differential GPS device for navigation. The lighting unit comprises a searchlight which is arranged at the front end of the underwater vehicle 1 and used for submarine navigation lighting. The sonar unit 16 is provided at the front end of the underwater vehicle 1 to avoid collision during underwater vehicle.
In particular, the submersible 1 also comprises an anchor 15. When the underwater vehicle 1 floats upwards for charging, the underwater vehicle 1 is suspended on the sea surface 5 through the buoyant raft 4, and the anchor 15 is thrown down to fix the underwater vehicle 1. Meanwhile, when the submersible vehicle 1 consumes power during polling operation, the submersible vehicle needs to float upwards to generate power, the polling interruption position can be fixed by the anchor 15, the submersible vehicle can quickly reach the polling interruption position after being charged and is favorable for polling again, and the polling efficiency is improved.
In particular, the periscope 1 also comprises a watchtower 18. The watchtower 18 is provided with a camera. The lookout tower 18 is used for observing the surrounding environment when the underwater vehicle 1 floats to the sea surface 5.
Specifically, the submarine cable inspection device further comprises a control system, and the control system is connected with the underwater vehicle 1, the power supply system and the inspection system. The control system comprises a central control computer, a singlechip and a wireless transmitter. The control system is used for controlling the navigation of the underwater vehicle 1 and the patrol system and the power supply system, and outputs and inputs signals with shore-based control equipment through a wireless transmitter.
The remarkable effects of the embodiment are as follows: by installing the solar cell panel 2 and the wave energy power generation equipment 3 on the underwater vehicle 1, sunlight and waves on the sea surface can be fully utilized to provide electric energy for the underwater vehicle 1, so that the sea operation time of the submarine cable inspection device is prolonged, the inspection efficiency is improved, frequent back and forth energy supplement is avoided, and the investment of energy supply equipment matched with a shore base is reduced. The system has the characteristics of autonomous energy supply and high inspection efficiency.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The submarine cable inspection device is characterized by comprising a submersible vehicle capable of sailing on the water surface and under the water, a power supply system and an inspection system, wherein the power supply system and the inspection system are arranged on the submersible vehicle, the inspection system can detect submarine cables, the power supply system provides electric energy for the submersible vehicle and the inspection system, the power supply system comprises an electricity storage unit arranged inside the submersible vehicle and a power generation unit arranged outside the submersible vehicle, the power generation unit comprises a solar cell panel and wave energy power generation equipment, and the solar cell panel and the wave energy power generation equipment respectively utilize solar energy and wave energy to generate electricity and transmit the electric energy to the electricity storage unit.
2. The submarine cable inspection device according to claim 1, wherein a support is provided on the top of the underwater vehicle, the solar panel is mounted on the support, and the wave energy power generation equipment is mounted on the bottom surface of the solar panel.
3. The submarine cable inspection device according to claim 2, wherein the bottom surface of the solar panel is hinged to the support member, a plurality of electric push rods are arranged at intervals around the support member, two ends of each electric push rod are respectively connected to the support member and the bottom surface of the solar panel, and the electric push rods drive the solar panel to rotate around the support member.
4. The submarine cable inspection device according to claim 2, wherein the power generation unit further includes a buoyant raft provided at an edge portion of the solar cell panel, the buoyant raft being provided with a housing chamber for housing gas, and a gas storage tank installed in the underwater vehicle, the gas storage tank being communicated with the housing chamber, the gas flowing from the gas storage tank into the housing chamber when the underwater vehicle floats upwards, and the gas flowing from the housing chamber into the gas storage tank when the underwater vehicle dives downwards.
5. The submarine cable inspection device according to claim 2, wherein the top surface of the solar panel is provided with a warning light.
6. The submarine cable inspection device according to claim 4, wherein the wave energy power generation equipment comprises an arc-shaped rack, a transmission assembly, an overrunning clutch and a generator, the arc-shaped rack is mounted on the raft, the arc-shaped rack is connected with the overrunning clutch through the transmission assembly, the generator is connected with the overrunning clutch, and the generator is electrically connected with the electricity storage unit.
7. The submarine cable inspection device according to claim 1, wherein the inspection system includes an infrared camera, an ultraviolet camera, a shallow profiler, and a doppler sonar log.
8. The submarine cable inspection device according to claim 1, wherein the underwater vehicle includes a housing having a cylindrical cavity structure, wherein a propeller and a rudder are provided at a rear portion of the housing in a forward direction of the underwater vehicle, a plurality of ballast tanks are provided in the housing, and the ballast tanks are selectively communicable with an outside of the housing.
9. The submarine cable inspection apparatus according to claim 8, wherein the underwater vehicle further comprises a navigation unit, a lighting unit, and a sonar unit.
10. The submarine cable inspection apparatus according to claim 1, wherein the underwater vehicle further comprises an anchor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350096.XA CN111509829A (en) | 2020-04-28 | 2020-04-28 | Submarine cable inspection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350096.XA CN111509829A (en) | 2020-04-28 | 2020-04-28 | Submarine cable inspection device |
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| CN111509829A true CN111509829A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010350096.XA Pending CN111509829A (en) | 2020-04-28 | 2020-04-28 | Submarine cable inspection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693531A (en) * | 2022-12-15 | 2023-02-03 | 中国电建集团山东电力建设第一工程有限公司 | Submarine cable fault rush-repair robot |
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| CN209366429U (en) * | 2019-01-24 | 2019-09-10 | 郭永太 | A kind of leisure submarine for appreciating subaqual landscape |
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| CN203717228U (en) * | 2014-02-28 | 2014-07-16 | 厦门中泰风电能源有限公司 | Mobile photovoltaic wave power generation ship |
| WO2017165232A1 (en) * | 2016-03-18 | 2017-09-28 | Oceaneering Interational Inc. | Rechargeable autonomous rovs with an offshore power source |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115693531A (en) * | 2022-12-15 | 2023-02-03 | 中国电建集团山东电力建设第一工程有限公司 | Submarine cable fault rush-repair robot |
| CN115693531B (en) * | 2022-12-15 | 2023-03-14 | 中国电建集团山东电力建设第一工程有限公司 | Submarine cable fault rush-repair robot |
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Application publication date: 20200807 |