• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention called "Ballasting system for the vertical positioning and trim of ROV's", is related to the vertical displacement and trim of the ROV's (Remate Operated Vehicle), to submerge or ascend in a smooth and controlled manner. The system integrates ballast tanks with valves at the top and bottom for filling with water, air or other gas depending on the depth of work. To have compressed gas in the system, it is stored in bottles providing greater autonomy to the vehicle. With this ballasting system it is possible to stabilize the ROV at the working depth and trim it without the need to use propellers, which in soft bottoms reduce the visibility by the lifting of the ground. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2690418A1
    申请号:ES201600799
    申请日:2016-09-22
    公开日:2018-11-20
    发明作者:Ignacio ARIAS FERNÁNDEZ；Manuel ROMERO GÓMEZ；Álvaro BAALIÑA INSUA；José CARBIA CARRIL；Javier ROMERO GÓMEZ
    申请人:Universidade da Coruna；
    IPC主号:
    专利说明:

    DESCRIPTION

    Weighted system for vertical positioning and rov’s trim.

    Object of the invention 5

    The object of the present invention is related to the vertical displacement and trimming of ROVs (Remote Operated Vehicle), to submerge or ascend in a smooth and controlled manner. The system integrates ballast tanks with valves at the top and bottom for filling with water or air depending on the working depth. To have air in the system, it is stored in bottles under pressure providing greater autonomy to the vehicle. With this ballast system, the ROV can be stabilized at working depth and trimmed without the need to use propellers, which in soft bottoms reduce visibility due to the lifting of the ground.
     fifteen
    Technical Field of the Invention

    The present invention belongs to the technical field of inspection and underwater work carried out with ROV's. This system is formed by ballast tanks to stabilize the vehicle at working depth, by filling and emptying with water and air or other gas. 20 The main utility of this invention is to avoid the use of propellers in current ROV’s systems, which in soft terrain diminish visibility due to the lifting of the terrain.

    Background of the invention
     25
    The need to carry out inspections or work in the depths of the oceans, means that ROV's technology is immersed in a time of growth and technological advances.

    In general, ROVs are connected to the ship by means of an armed cable called 30 Umbilical, which provides power and communication. The main components of an ROV are lights, cameras, sonar, hydroelectric power station and propellers, but depending on the type of ROV or work to be performed these can vary considerably.

    ROVs can travel in the sea in two different ways, with propellers, using 35 caterpillars or mixed. The function of the caterpillars is to move the vehicle on the seabed surface, while with propellers it is more common in inspection work at different depths or irregular surfaces. ROVs integrate vertical and horizontal propellers with the characteristic that they are usually hydraulic and powered by a hydraulic plant installed in the ROV. 40

    When work is carried out on soft terrain, where the bottom is easily lifted, using propellers causes visibility to be lost, leading to prolonged waiting for recovery. Therefore, there is a need for a vertical positioning and trimming method that avoids the use of propellers in soft bottoms. Four. Five

    A search for patents related to ROV positioning or displacement systems is performed, resulting in the patents mentioned below. It should be noted that none of them deals with vertical positioning or trimming in ROVs through the system described in this patent. fifty

    Patent No. ES 2398769 A1 represents an unmanned marine vehicle for transport and operations, obtaining the energy of solar panels and wind turbines.

    In patent number ES 1051209 U a multi-function underwater operation vehicle is represented, characterized by a surface control, connected by means of a cable called umbilical. In the patent ES 2038574 T1 an electrical or hydraulic connection system is represented, favoring the disconnection in case of failure of the ROV.
     5
    In the current state of technology related to the vertical positioning and trimming of ROVs, no similar technological alternative of the characteristics of this invention is known.

    Brief Description of the Invention 10

    The invention consists of a ballast system in ROVs to achieve vertical positioning and trim of the vehicle. The system integrates flotation tanks with the ability to be filled with water, air or other gas depending on the depth of work. To have air or other gas when the ROV is submerged, cylinders are installed to store it under pressure. With this system it is possible to avoid using the propellers in soft bottoms that favor the lifting of particles, losing visibility that lead to long waits.

    Brief description of the figures
     twenty
    In this section, the components that constitute the ballast system are described by way of illustration and not limitation, in order to facilitate the compression of the invention where reference is made to the following figures:

    Figure 1. ROV with ballast tanks for vertical positioning and trim. 25

    Figure 2. ROV ballast system.

    The components referenced in Figures 1 and 2 are identified as follows:
     30
    1. Flotation tanks.

    2. Air tank or other compressed gas.

    3. Air or other gas outlet valve from the flotation tank. 35

    4. Air or other gas outlet valve from the flotation tank.

    5. Water inlet / outlet valve of the flotation tank.
     40
    6. Water inlet / outlet valve of the flotation tank.

    7. Air or other gas inlet valve from the flotation tank.

    8. Air or other gas inlet valve from the flotation tank. Four. Five

    9. Flotation tank safety valve.

    10. Water inlet / outlet valve of the stern trim tank.
     fifty
    11. Water inlet / outlet valve of bow trim tank.

    12. Air or other gas inlet valve of the stern trim tank.

    13. Valve air or other gas from the bow trim tank.

    14. Air or other gas outlet valve from the stern trim tank.

    15. Air or other gas outlet valve from the fore trim tank. 5

    16. Stern trim tank.

    17. Bow trim tank.
     10
    Detailed description of the invention

    The ballast system for vertical positioning of ROV's consists of the elements shown in Figures 1 and 2.
     fifteen
    The system consists of a flotation tank (1) with the ability to be filled with water, air or other gas depending on the depth to be reached. For filling and emptying the flotation tank (1), there are different valves distributed around it. To lower the ROV, the tank (1) is filled with water through the valves (5,6), while simultaneously the valves (3,4) allow the exit of the air or other gas existing in the tank. inside. To raise the ROV, the tank (1) is filled with air or other pressurized gas through the valves (7,8). When filled with air from the top, the water is expelled by opening the valves (10,11) located at the bottom. In an emergency, the safety valve (14) can be activated by an acoustic signal, allowing air to enter the tank and raising the ROV. 25

    The system also has two independent tanks (16.17) located in the bow and stern of the vehicle, with the function of trimming it when auxiliary tools are installed and the center of gravity is displaced. The ballast control system would be similar to that of the main tank (1) but with the difference that the volume of the tanks (16.17) 10 is lower. To fill the trim tanks (16.17) with water, it would be carried out by means of the valves (10.11) at the same time that the air or other gas inside is emptied by the valves (14,15). If, on the contrary, what you want is to fill the tanks with air, proceed by opening the valves (12,13), while the emptying of the water inside is done by the valves (10,11). 35

    Description of preferred embodiments of the invention

    Consistent with the description of the invention, a preferred embodiment of the invention is highlighted "Ballast system for vertical positioning of ROVs" shown in Figures 1 and 2.
    权利要求:
    Claims (24)
    [1]

    1. Ballast system for vertical positioning of ROV's, characterized by comprising:
     5
    1. Flotation tanks.

    [2]
    2. Compressed air tank.

    [3]
    3. Air or other gas outlet valve from the flotation tank. 10

    [4]
    4. Air or other gas outlet valve from the flotation tank.

    [5]
    5. Water inlet / outlet valve of the flotation tank.
     fifteen
    [6]
    6. Water inlet / outlet valve of the flotation tank.

    [7]
    7. Air or other gas inlet valve from the flotation tank.

    [8]
    8. Air or other gas inlet valve from the flotation tank. twenty

    [9]
    9. Flotation tank safety valve.

    [10]
    10. Water inlet / outlet valve of the stern trim tank.
     25
    [11]
    11. Water inlet / outlet valve of bow trim tank.

    [12]
    12. Air or other gas inlet valve of the stern trim tank.

    [13]
    13. Air or other gas inlet valve of the fore trim tank. 30

    [14]
    14. Air or other gas outlet valve from the stern trim tank.

    [15]
    15. Air or other gas outlet valve from the fore trim tank.
     35
    [16]
    16. Stern trim tank.

    [17]
    17. Bow trim tank

    [2]
    2. Ballast system for vertical positioning and trimming of ROV's, according to claim 1, characterized by the use of flotation tanks that can be filled with water or air or other gas depending on the desired working depth.

    [3]
    3. Ballast system for vertical positioning and trimming of ROV's, according to claim 2, characterized by preferably using air for filling the tank, while optionally using nitrogen, helium, carbon monoxide, carbon dioxide or other gas with similar characteristics.

    [4]
    4. Ballast system for vertical positioning and trimming of ROV's, according to claim 3, characterized by having cylinders for storage under pressure 50 of the gas or other system compatible with the installation depending on the gas to be used.

    [5]
    5. Ballast system for vertical positioning and trimming of ROV's, according to claim 4, characterized by having a safety valve with opening by means of an acoustic serial in case of emergency.

    [6]
    6. Ballast system for vertical positioning and trimming of ROV's, according to claim 5, characterized by having one or more ballast tanks.

    [7]
    7. Ballast system for vertical positioning and ROV trimming, according to claim 6, characterized by being able to perform the trimming of the vehicle when tools are installed therein that move the center of gravity. 10

    [8]
    8. Ballast system for vertical positioning and trimming of ROV's, according to claim 7, characterized by having propellers, caterpillars or mixed system for greater propulsion demand on occasions when it is necessary.
     fifteen
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    同族专利:
    公开号 | 公开日
    ES2690418B1|2019-08-27|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2004065206A1|2003-01-22|2004-08-05|Slobodan Stojic|Manipulating robotized modular system for raising parts of the vessel or equipment from large sea depths|
    WO2010065999A1|2008-12-09|2010-06-17|Tim Lyons|A controllable buoyancy system|
    WO2012074408A2|2010-11-29|2012-06-07|Environtec As|A surface-cleaning device and vehicle|
    WO2015140612A1|2014-03-18|2015-09-24|Friday, Ciência E Engenharia Do Lazer, Sa|Device for automatic control of buoyancy, heel, trim, depth and altitude in submersible vehicles|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201600799A|ES2690418B1|2016-09-22|2016-09-22|Weighted system for vertical positioning and trim of Rov's|ES201600799A| ES2690418B1|2016-09-22|2016-09-22|Weighted system for vertical positioning and trim of Rov's|
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