Anti-rolling water tank, breeding platform and anti-rolling control method

Abstract

The invention discloses an anti-rolling water tank, a breeding platform and an anti-rolling control method, and relates to the technical field of breeding platforms, the anti-rolling water tank is applied to the bow of the breeding platform, the anti-rolling water tank comprises a water storage tank, a gas tank, gas compression equipment and a first valve, and the bottom of the water storage tank is provided with a water inlet and a water outlet; the gas compression equipment is communicated with the interior of the gas cabin; the gas compression equipment is used for adjusting the air pressure in the gas cabin so as to provide positive pressure for the gas cabin when the bow part moves downwards and provide negative pressure for the gas cabin when the bow part moves upwards; two ends of the first valve are respectively communicated with the water storage cabin and the gas cabin; the first valve is used for controlling the communication condition of the water storage cabin and the gas cabin so that liquid in the water storage cabin can be discharged outwards through positive pressure in the gas cabin in the communication state, or external liquid can flow into the water storage cabin through negative pressure in the gas cabin in the communication state. The water storage capacity in the water storage cabin is adjusted through the gas compression equipment and the first valve, and stabilization in the zero navigational speed state is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of aquaculture platforms, and in particular to a roll stabilization water tank, aquaculture platform and a roll stabilization control method. Background Art

[0002] As a new type of deep-sea large-scale aquaculture equipment, the cruising aquaculture platform has a truss-type large opening structure in the bow and stern similar to a ship. The platform not only has self-propulsion ability but also can be positioned by a power system. This design provides this type of platform with excellent maneuverability and fishability. The platform does not have a mooring device for a fixed platform. Since the length-to-width ratio of the platform is closer to that of a ship, its movement performance is closer to that of a ship. The platform is relatively slender, but due to a large number of openings in the middle, the longitudinal restoring force of the platform is relatively low, which increases the pitch of the platform. The design requires anti-roll loading for the pitch of the platform.

[0003] However, the anti-roll devices currently used on major ships are not suitable for the aquaculture platform. The existing anti-roll devices are difficult to reduce the roll in a low speed or even zero speed environment, and the anti-roll effect on pitch is poor. Summary of the invention

[0004] The main purpose of the present invention is to propose a roll stabilization tank, aquaculture platform and a roll stabilization control method, aiming to solve the problem that the existing roll stabilization devices are difficult to stabilize in a low speed or even zero speed environment, and the roll stabilization difference for pitch roll.

[0005] To achieve the above-mentioned purpose, the anti-rolling water tank proposed in the present invention is applied to the bow of the aquaculture platform. The anti-rolling water tank includes a water storage tank, a gas tank, a gas compression device and a first valve. An inlet and outlet are provided at the bottom of the water storage tank; the gas compression device is connected to the interior of the gas tank; the gas compression device is used to adjust the internal air pressure of the gas tank to provide positive pressure for the gas tank when the bow moves downward, and to provide negative pressure for the gas tank when the bow moves upward; the two ends of the first valve are respectively connected to the water storage tank and the gas tank; the first valve is used to control the connection between the water storage tank and the gas tank, so that in the connected state, the liquid in the water storage tank is discharged outward through the positive pressure inside the gas tank, or in the connected state, the external liquid is caused to flow into the water storage tank through the negative pressure inside the gas tank.

[0006] In one embodiment, the water storage tank includes a direction-variable one-way valve, and the direction-variable one-way valve is arranged in the water inlet and outlet.

[0007] In one embodiment, a connecting port is provided on the top of the water storage tank, and the connecting port is used to connect the interior of the water storage tank with the exterior of the breeding platform; the water storage tank also includes a second valve, and the second valve is arranged in the connecting port.

[0008] In one embodiment, a plurality of partitions are provided in the water storage tank, the partitions are used to separate the water storage tank into a plurality of sub-chambers, and the partitions are provided with water flow holes.

[0009] In one embodiment, the water flow hole is arranged on a side of the partition facing away from the bow portion; and / or, one end of the first valve facing the water storage tank is arranged on the top of the side wall of the water storage tank.

[0010] The present invention also provides a breeding platform, which comprises a bow, a stern and the above-mentioned anti-rolling water tank; the stern is connected to the bow; and the anti-rolling water tank is arranged at the bow.

[0011] The present invention also proposes a roll stabilization control method, which is applied to a roll stabilization water tank, which is applied to the bow of a breeding platform, and comprises a water storage tank and a gas tank, and the water storage tank and the gas tank can be switched to a connected state or a cut-off state; the roll stabilization control method comprises the following steps:

[0012] detecting the degree of undulation of the bow;

[0013] If the bow heave exceeds a preset range, the mode is switched to anti-rolling mode:

[0014] When the bow moves downward first, gas is introduced into the gas tank to form a positive pressure inside the gas tank; the gas tank is connected to the water tank so that the liquid in the water tank is discharged outward under the positive pressure;

[0015] When the bow descends to the lowest position and starts to move upward, the gas in the gas tank is discharged to form a negative pressure inside the gas tank and inside the water tank, so that the external liquid flows into the water tank under the action of the negative pressure.

[0016] In one embodiment, when the bow moves downward first, gas is introduced into the gas cabin to form a positive pressure inside the gas cabin; and the gas cabin is connected to the water storage tank so that the liquid in the water storage tank is discharged outward under the positive pressure, comprising:

[0017] Passing gas into the gas chamber to form a pre-pressure inside the gas chamber;

[0018] When the bow moves downward first, the gas tank and the water storage tank are in a communicating state, so that the liquid in the water storage tank is discharged outward.

[0019] In one embodiment, when the bow portion descends to the lowest position and starts to move upward, the gas in the gas tank is discharged to form a negative pressure inside the gas tank and inside the water storage tank, so that the external liquid flows into the water storage tank under the action of the negative pressure, comprising:

[0020] When the bow part descends to the lowest position and starts to move upward, the gas tank and the water tank are in a cut-off state, and the gas in the gas tank is discharged to form a negative pressure inside the gas tank; the inside of the water tank is connected to the outside air, so that the external liquid flows into the water tank through the liquid level difference between the liquid in the water tank and the external liquid;

[0021] When the liquid level in the water storage tank is the same as the water level outside the bow, the interior of the water storage tank is isolated from the outside air, and the gas tank and the water storage tank are connected to form a negative pressure inside the water storage tank, thereby continuing to absorb external liquid into the water storage tank and causing the liquid level in the water storage tank to rise to the highest level.

[0022] In one embodiment, if the heaving degree of the bow exceeds a preset range, the step of switching to the anti-rolling mode further includes:

[0023] When the bow moves upward first, the gas in the gas tank is discharged to form a negative pressure inside the gas tank; the gas tank is connected to the water tank to allow external liquid to flow into the water tank;

[0024] When the bow rises to the highest position and starts to move downward, gas is introduced into the gas tank to form a positive pressure inside the gas tank and inside the water tank, so that the liquid in the water tank is discharged outward.

[0025] The technical solution of the present invention adopts a anti-rolling tank, which is applied to the bow of the aquaculture platform. The anti-rolling tank includes a water storage tank, a gas tank, a gas compression device and a first valve. An inlet and outlet are provided at the bottom of the water storage tank; the gas compression device is connected to the interior of the gas tank; the gas compression device is used to adjust the internal air pressure of the gas tank to provide positive pressure for the gas tank when the bow moves downward, and to provide negative pressure for the gas tank when the bow moves upward; the two ends of the first valve are respectively connected to the water storage tank and the gas tank; the first valve is used to control the connection between the water storage tank and the gas tank, so that in the connected state, the liquid in the water storage tank is discharged outward through the positive pressure inside the gas tank, or in the connected state, the external liquid is flowed into the water storage tank through the negative pressure inside the gas tank.

[0026] The technical solution of the present invention utilizes a gas compression device to provide a positive pressure to the gas tank when the bow moves downward, and opens the first valve, so that the liquid in the water tank can be discharged from the water tank under the action of the positive pressure, so that the weight of the bow is less than the buoyancy, thereby inhibiting the bow from descending; similarly, when the bow rises, the gas compression device is utilized to provide a negative pressure to the gas tank, and the first valve is opened, so that a negative pressure can be formed in the water tank, and external water can be absorbed to flow into the water tank, so that the weight of the bow is greater than the buoyancy, thereby inhibiting the bow from rising, thereby achieving the effect of reducing the pitch of the floating platform.

[0027] In addition, the setting of the gas cabin and the first valve allows the gas compression equipment to store negative or positive pressure in advance before the first valve is opened, which not only allows the gas compression equipment to adopt a large-flow and low-pressure working mode to improve the energy consumption efficiency of load-controlled air; it also allows the gas compression equipment to work continuously without the need for large-flow adjustment in a short period of time, thereby reducing the power demand for the gas compression equipment and thereby reducing the procurement cost of the gas compression equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0029] Figure 1 A schematic structural diagram of an embodiment of a roll reduction water tank provided by the present invention;

[0030] Figure 2 The figure is a flow chart of an embodiment of a stabilization control method provided by the present invention.

[0031] Description of Figure Numbers:

[0032] 1. Anti-rolling water tank; 11. Water storage tank; 111. Direction-variable one-way valve; 112. Second valve; 12. Gas tank; 13. Gas compression equipment; 14. First valve; 15. Bulkhead; 151. Water flow hole; 2. Bow.

[0033] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] As a new type of deep-sea large-scale aquaculture equipment, the cruising aquaculture platform has a truss-type large opening structure in the bow and stern similar to a ship. The platform not only has self-propulsion ability but also can be positioned by a power system. This design provides this type of platform with excellent maneuverability and fishability. The platform does not have a mooring device for a fixed platform. Since the length-to-width ratio of the platform is closer to that of a ship, its movement performance is closer to that of a ship. The platform is relatively slender, but due to a large number of openings in the middle, the longitudinal restoring force of the platform is relatively low, which increases the pitch of the platform. The design requires anti-roll loading for the pitch of the platform.

[0038] However, the anti-rolling devices currently used on major ships are not suitable for the aquaculture platform. After research and analysis, the main reasons are:

[0039] 1. The loading of fin stabilizers requires the ship to have a higher speed. The aquaculture platform has a slow speed and it is not possible to use fin stabilizers.

[0040] 2. The ship's anti-rolling water tank is used to reduce the roll motion. It is necessary to arrange a water tank on each side of the ship and connect them. It can neither be used to reduce the pitch roll nor is it suitable for the layout of aquaculture platforms. At the same time, since the lateral damping of aquaculture platforms is much greater than that of ordinary ships, the roll problem is not prominent, so traditional anti-rolling water tanks are not applicable.

[0041] 3. The passive anti-rolling tanks commonly used in marine platforms have low anti-rolling efficiency and require a large space. The amount of water stored in the working anti-rolling tanks is huge, and the layout area and deadweight are difficult to adapt to the needs of self-propelled aquaculture platforms.

[0042] However, the self-propelled aquaculture platform requires a small layout space, high roll reduction efficiency, can be used at zero speed, and has a roll reduction water tank specifically designed for longitudinal roll, but these have not yet appeared at this stage.

[0043] Based on this, the present invention proposes a anti-rolling tank.

[0044] See also Figure 1 In one embodiment of the present invention, the anti-rolling tank 1 is applied to the bow 2 of the aquaculture platform. The anti-rolling tank includes a water storage tank 11, a gas tank 12, a gas compression device 13 and a first valve 14. The bottom of the water storage tank 11 is provided with an inlet and outlet; the gas compression device 13 is connected to the inside of the gas tank 12; the gas compression device 13 is used to adjust the internal air pressure of the gas tank 12 to provide positive pressure for the gas tank 12 when the bow 2 moves downward, and to provide negative pressure for the gas tank 12 when the bow 2 moves upward; the two ends of the first valve 14 are respectively connected to the water storage tank 11 and the gas tank 12; the first valve 14 is used to control the connection between the water storage tank 11 and the gas tank 12, so that the liquid in the water storage tank 11 is discharged outward through the positive pressure inside the gas tank 12 in the connected state, or the external liquid is flowed into the water storage tank 11 through the negative pressure inside the gas tank 12 in the connected state.

[0045] The technical solution of the present invention utilizes the gas compression device 13 to provide positive pressure to the gas tank 12 when the bow 2 moves downward, and opens the first valve 14, so that the liquid in the water tank 11 can be discharged from the water tank 11 under the action of the positive pressure, so that the weight of the bow 2 is less than the buoyancy, thereby inhibiting the bow 2 from descending; similarly, when the bow 2 rises, the gas compression device 13 is utilized to provide negative pressure to the gas tank 12, and the first valve 14 is opened, so that the water tank 11 can form a negative pressure, absorb external water to flow into the water tank 11, so that the weight of the bow 2 is greater than the buoyancy, inhibiting the bow 2 from rising, thereby achieving the effect of reducing the pitch of the floating platform.

[0046] In addition, the arrangement of the gas cabin 12 and the first valve 14 allows the gas compression device 13 to store negative or positive pressure in advance before the first valve 14 is opened, which not only allows the gas compression device 13 to adopt a large-flow and low-pressure working mode to improve the energy consumption efficiency of load-bearing air; it also allows the gas compression device 13 to work continuously without the need for large-flow adjustment in a short period of time, thereby reducing the power demand for the gas compression device 13 and thereby reducing the procurement cost of the gas compression device 13.

[0047] In order to solve the problem of how to prevent the liquid in the water storage tank 11 from flowing back when adjusting the liquid in the water storage tank 11, in the embodiment of the present invention, refer to Figure 1The water storage tank 11 includes a direction-variable one-way valve 111, which is arranged in the inlet and outlet. In this way, by arranging the direction-variable one-way valve 111 in the inlet and outlet, the problem of backflow of the liquid entering or discharged from the water storage tank 11 can be effectively avoided; in addition, compared with the traditional one-way valve, the direction-variable one-way valve 111 can change the flow direction of the liquid according to actual needs, and is more suitable for the scene in which the flow direction of the liquid needs to be repeatedly changed in this embodiment. When it is necessary to reduce the water storage capacity in the water storage tank 11, the flow direction of the direction-variable one-way valve 111 can be adjusted to the sea-going direction, thereby allowing the liquid in the water storage tank 11 to flow out and preventing the backflow of external liquids such as seawater; when it is necessary to increase the water storage capacity in the water storage tank 11, the flow direction of the direction-variable one-way valve 111 can be adjusted to the through-tank direction, thereby allowing external liquids such as seawater to flow into the water storage tank 11 and preventing the liquid in the water storage tank 11 from flowing out. Among them, in order to facilitate remote control and regulation, the direction-variable one-way valve 111 can be set as an electrically controlled direction-variable one-way valve 111, so that the operator can control the flow direction of the direction-variable one-way valve 111 through electrical signals in the control room of the breeding platform and other places, thereby making the operation more flexible and convenient.

[0048] In order to reduce the energy consumption of the anti-rolling tank 1, in the embodiment of the present invention, please refer to Figure 1 A connecting port is provided on the top of the water storage tank 11, and the connecting port is used to connect the inside of the water storage tank 11 with the outside of the breeding platform; the water storage tank 11 also includes a second valve 112, and the second valve 112 is arranged in the connecting port.

[0049] In this way, by providing a second valve 112 at the connecting port at the top of the water storage tank 11, when there is a height difference between the water level outside the bow 2 and the water level inside the water storage tank 11, the pressure difference between the inside and outside of the water storage tank 11 can be used to assist in adjusting the liquid level in the water storage tank 11, thereby reducing the working intensity of the gas compression equipment 13 and further reducing the energy consumption of the anti-rolling water tank 1. For ease of understanding, this embodiment provides an example to illustrate this: when the bow 2 moves to the lowest position due to shaking, and the liquid level in the water tank 11 is lower than the external water surface, the buoyancy on the bow 2 is greater than the gravity, causing the bow 2 to have an upward acceleration. At this time, due to the height difference between the liquid level in the water tank 11 and the water level of the external water surface, the second valve 112 located at the top of the water tank 11 is opened at this time, and the flow direction of the direction-variable one-way valve 111 is made to be the through-tank direction, so that the external liquid can spontaneously enter the water tank 11 due to the pressure difference, thereby raising the liquid level in the water tank 11, thereby increasing the gravity in the water tank 11 and reducing the upward acceleration of the bow 2; this process utilizes the internal and external pressure difference of the water tank 11 to adjust the water storage amount without the need for the gas compression device 13 to operate, thereby reducing the energy consumption of the anti-rolling water tank 1 and reducing energy costs.

[0050] To solve the problem of how to further reduce pitching, in an embodiment of the present invention, refer to Figure 1 , a plurality of partitions 15 are provided in the water storage tank 11, and the partitions 15 are used to divide the water storage tank 11 into a plurality of sub-chambers, and the partitions 15 are provided with water flow holes 151. In this way, by using a plurality of partitions 15 to divide the water storage tank 11 into a plurality of sub-chambers, the water stored in each sub-chamber is located at a different position, so when encountering pitching, the water stored in each sub-chamber will produce asynchronous shaking, thereby improving the damping effect and enhancing the effect of suppressing pitching.

[0051] Furthermore, in the embodiments of the present invention, please refer to Figure 1 , the water flow hole 151 is arranged on the side of the partition 15 facing away from the bow 2; in this way, by arranging the water flow hole 151 on the side of the partition 15 facing away from the bow 2, the position of the water flow hole 151 is made to be rearward; when the liquid in the water storage tank 11 is not full and each sub-cabin stores a certain amount of liquid, since the ballast liquid is easy to be distributed forward between each layer of the partition 15 when the floating platform undergoes a pitching motion, only a small amount of liquid will flow to the stern and flow through the water flow hole 151 to gather in the sub-cabin below, thereby ensuring that each sub-cabin stores a certain amount of liquid, further increasing the effect of reducing the pitching motion.

[0052] When the negative pressure in the gas chamber 12 is used to increase the water storage capacity in the water storage chamber 11, in order to prevent the liquid in the water storage chamber 11 from flowing into the gas chamber 12 before the water storage chamber 11 is fully filled, in the embodiment of the present invention, refer to Figure 1 , the end of the first valve 14 facing the water tank 11 is arranged at the top of the side wall of the water tank 11. In this way, the liquid can fully fill the water tank 11 and make the liquid level close to the top of the water tank 11 before the liquid flows from the valve to the gas tank 12, thereby increasing the adjustable water storage range of the water tank 11 as much as possible without changing the space occupied by the water tank 11, and enhancing the adjustment ability of the water tank 11 to the pitch.

[0053] The present invention also proposes a breeding platform, please refer to Figure 1 The aquaculture platform comprises a bow 2, a stern and a roll-reducing tank 1 of any of the above embodiments; the specific structure of the roll-reducing tank 1 refers to the above embodiments. Since the aquaculture platform adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. Among them, the stern is connected to the bow 2; the roll-reducing tank 1 is arranged on the bow 2.

[0054] The present invention also proposes a roll stabilization control method, which is applied to a roll stabilization water tank 1, which is applied to a bow 2 of a breeding platform, and the roll stabilization water tank 1 includes a water storage tank 11 and a gas tank 12, and the water storage tank 11 and the gas tank 12 can be switched to a connected state or a cut-off state;

[0055] See also Figure 2 The anti-roll control method comprises steps S10 to S32:

[0056] Step S10, detecting the undulation degree of the bow 2;

[0057] It should be noted that the undulation of the bow 2 can be detected by using one of a variety of means such as an inertial measurement unit (IMU), a tilt sensor, video monitoring and image processing, or by combining the above-mentioned means for higher-precision detection. The specific detection method is not limited here.

[0058] Step S30: If the heaving degree of the bow 2 exceeds a preset range, switch to the anti-rolling mode:

[0059] Among them, the preset range can be set to ±5°. If the operation accuracy requirement is higher, the range can be set to ±3°. The specific preset range can be adjusted according to the accuracy requirements of the aquaculture platform and the real-time sea conditions. The preset range is not limited here.

[0060] Step S31, when the bow 2 moves downward first, gas is introduced into the gas cabin 12 to form a positive pressure inside the gas cabin 12; the gas cabin 12 is connected to the water storage tank 11, so that the liquid in the water storage tank 11 is discharged outward under the positive pressure;

[0061] Step S32, when the bow 2 descends to the lowest position and starts to move upward, the gas in the gas cabin 12 is discharged to form a negative pressure inside the gas cabin 12 and inside the water storage tank 11, so that the external liquid flows into the water storage tank 11 under the action of the negative pressure.

[0062] In this embodiment, by detecting the fluctuation degree of the bow 2 and judging whether it exceeds the preset range, a decision is made as to whether it is necessary to switch to the anti-roll mode, so as to avoid starting the relevant equipment in the anti-roll water tank 1 when the pitch amplitude is small, thereby reducing energy consumption; when it is judged that the fluctuation degree of the bow 2 exceeds the preset range, by taking steps S31 and S32, the air pressure in the gas cabin 12 can be used to adjust the water storage capacity in the water storage tank 11 to adjust the gravity of the bow 2, so that when the bow 2 moves downward, the gravity of the bow 2 is less than the buoyancy, and an upward acceleration is applied to the bow 2; and when the bow 2 starts to move upward, the gravity of the bow 2 is greater than the buoyancy, and a downward acceleration is applied to the bow 2, thereby achieving the effect of suppressing the current longitudinal movement of the bow 2, thereby reducing the pitch of the aquaculture platform.

[0063] Furthermore, in order to reduce the energy consumption of the gas compression device 13, in an embodiment of the present invention, step S31 may include steps S311 to S312:

[0064] Step S311, introducing gas into the gas chamber 12 so as to form a pre-pressure inside the gas chamber 12;

[0065] Step S312, when the bow portion 2 moves downward first, the gas tank 12 and the water tank 11 are connected to each other so that the liquid in the water tank 11 is discharged outward.

[0066] In this embodiment, by pre-introducing gas into the gas cabin 12 to form a pre-pressure, the gas compression device 13 is allowed to complete the load pressure adjustment in a large flux, low pressure, and long-term working mode without completing large flux load adjustment in a short time, thereby reducing the energy consumption of the gas compression device 13.

[0067] In an embodiment of the present invention, step S32 may include steps S321 to S322:

[0068] Step S321, when the bow 2 descends to the lowest position and starts to move upward, the gas cabin 12 and the water storage tank 11 are in a cut-off state, and the gas in the gas cabin 12 is discharged to form a negative pressure inside the gas cabin 12; the inside of the water storage tank 11 is connected to the outside air, so that the external liquid flows into the water storage tank 11 through the liquid level difference between the liquid in the water storage tank 11 and the external liquid;

[0069] Step S322, when the liquid level in the water storage tank 11 is the same as the water level outside the bow 2, the interior of the water storage tank 11 is isolated from the outside air, and the gas tank 12 and the water storage tank 11 are connected to form a negative pressure inside the water storage tank 11, thereby continuing to absorb external liquid into the water storage tank 11 and causing the liquid level in the water storage tank 11 to rise to the highest level.

[0070] In this embodiment, by closing the valve, the gas in the gas tank 12 is discharged by the gas compression device 13, so that the inside of the gas tank 12 forms a negative pressure in advance, thereby allowing the gas compression device 13 to complete the load adjustment by gas pressure adjustment in a large flux, low pressure and long time working mode, without having to complete the large flux load adjustment in a short time, thereby reducing the energy consumption of the gas compression device 13. In addition, by opening the first one-way valve, the inside of the water storage tank 11 is connected with the outside, so as to make full use of the pressure difference between the inside and outside of the water storage tank 11 to achieve the effect of pressing the external water into the water storage tank 11, thereby reducing the energy demand. Afterwards, when the liquid level in the water storage tank 11 is the same as the water level outside the bow 2, the first one-way valve is closed and the valve is opened, so that the gas tank 12 is connected with the water storage tank 11, and the external liquid continues to be adsorbed into the water storage tank 11, so as to further improve the anti-rolling effect.

[0071] In addition, in order to achieve the anti-rolling adjustment in which the bow 2 moves upward first, in the embodiment of the present invention, step S30 may further include steps S33 to S34:

[0072] Step S33, when the bow 2 moves upward first, the gas in the gas cabin 12 is discharged to form a negative pressure inside the gas cabin 12; the gas cabin 12 and the water storage tank 11 are connected to allow external liquid to flow into the water storage tank 11;

[0073] Step S34, when the bow 2 rises to the highest position and starts to move downward, gas is introduced into the gas cabin 12 to form a positive pressure inside the gas cabin 12 and inside the water storage tank 11, so that the liquid in the water storage tank 11 is discharged outward.

[0074] In this embodiment, a roll reduction scheme is provided when the bow 2 first moves upward and then moves downward, corresponding to steps S31 to S32, which both adjust the water storage capacity in the water storage tank 11 by utilizing the air pressure in the gas cabin 12 to adjust the gravity of the bow 2, so that when the bow 2 moves upward, the gravity of the bow 2 is greater than the buoyancy, and a downward acceleration is applied to the bow 2; and when the bow 2 starts to move downward, the gravity of the bow 2 is less than the buoyancy, and an upward acceleration is applied to the bow 2, thereby achieving the effect of suppressing the current longitudinal movement of the bow 2, thereby reducing the pitch of the aquaculture platform.

[0075] In the embodiment of the present invention, after step S10, step S20 may be further included:

[0076] Step S20: If the undulation degree of the bow 2 is within a preset range, the mode is switched to a ballast mode, and the water storage tank 11 stores a preset ballast amount of liquid.

[0077] In this embodiment, when the fluctuation degree of the bow 2 is within the preset range, there is no need to start the anti-roll mode and directly switch to the compression mode. At this time, the water storage tank 11 can be used as a ballast water tank for the bow 2 of the aquaculture platform, and normal ballasting is performed according to the ballasting needs, without the need to occupy a separate cabin, thereby improving the space utilization rate in the aquaculture platform.

[0078] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A rolling stabilization tank, characterized in that: Applied to the bow of aquaculture platform, the anti-rolling water tank comprises: A water storage tank, wherein the bottom of the water storage tank is provided with an inlet and outlet; Gas tank; a gas compression device, the gas compression device being in communication with the interior of the gas cabin; the gas compression device being used to adjust the gas pressure inside the gas cabin so as to provide positive pressure to the gas cabin when the bow moves downward, and to provide negative pressure to the gas cabin when the bow moves upward; A first valve, wherein both ends of the first valve are connected to the water storage tank and the gas tank respectively; the first valve is used to control the connection between the water storage tank and the gas tank, so that in a connected state, the liquid in the water storage tank is discharged outwardly through the positive pressure inside the gas tank, or in a connected state, the external liquid is flowed into the water storage tank through the negative pressure inside the gas tank.

2. The anti-rolling tank according to claim 1, characterized in that: The water storage tank comprises a direction-variable one-way valve, and the direction-variable one-way valve is arranged in the water inlet and outlet.

3. The anti-rolling tank according to claim 2, characterized in that: A communication port is provided on the top of the water storage tank, and the communication port is used to connect the interior of the water storage tank with the exterior of the breeding platform; The water storage tank also includes a second valve, which is arranged in the communication port.

4. The anti-rolling tank according to claim 1, characterized in that: A plurality of partitions are arranged in the water storage tank, and the partitions are used to divide the water storage tank into a plurality of sub-chambers, and the partitions are provided with water flow holes.

5. The anti-rolling tank according to claim 4, characterized in that: The water flow hole is arranged on a side of the partition facing away from the bow portion; And / or, one end of the first valve facing the water storage tank is arranged on the top of the side wall of the water storage tank.

6. A breeding platform, characterized in that: include: bow; a stern portion, the stern portion being connected to the bow portion; The anti-rolling tank according to any one of claims 1 to 5, wherein the anti-rolling tank is arranged at the bow.

7. A stabilization control method, characterized in that: The anti-rolling control method is applied to an anti-rolling water tank, which is applied to the bow of a breeding platform. The anti-rolling water tank includes a water storage tank and a gas tank, and the water storage tank and the gas tank can be switched to a connected state or a cut-off state. The anti-rolling control method includes the following steps: detecting the degree of undulation of the bow; If the bow heave exceeds a preset range, the mode is switched to anti-rolling mode: When the bow moves downward first, gas is introduced into the gas tank to form a positive pressure inside the gas tank; the gas tank is connected to the water tank so that the liquid in the water tank is discharged outward under the positive pressure; When the bow descends to the lowest position and starts to move upward, the gas in the gas tank is discharged to form a negative pressure inside the gas tank and inside the water tank, so that the external liquid flows into the water tank under the action of the negative pressure.

8. The anti-roll control method according to claim 7, characterized in that: The steps of introducing gas into the gas tank when the bow moves downward first to form a positive pressure inside the gas tank; and connecting the gas tank with the water tank to discharge the liquid in the water tank outward under the positive pressure include: Passing gas into the gas chamber to form a pre-pressure inside the gas chamber; When the bow moves downward first, the gas tank and the water storage tank are in a communicating state, so that the liquid in the water storage tank is discharged outward.

9. The anti-roll control method according to claim 7, characterized in that: The step of discharging the gas in the gas tank when the bow portion descends to the lowest position and starts to move upward, so that negative pressure is formed inside the gas tank and inside the water storage tank, thereby causing external liquid to flow into the water storage tank under the action of negative pressure, comprises: When the bow part descends to the lowest position and starts to move upward, the gas tank and the water tank are in a cut-off state, and the gas in the gas tank is discharged to form a negative pressure inside the gas tank; the inside of the water tank is connected to the outside air, so that the external liquid flows into the water tank through the liquid level difference between the liquid in the water tank and the external liquid; When the liquid level in the water storage tank is the same as the water level outside the bow, the interior of the water storage tank is isolated from the outside air, and the gas tank and the water storage tank are connected to form a negative pressure inside the water storage tank, thereby continuing to absorb external liquid into the water storage tank and causing the liquid level in the water storage tank to rise to the highest level.

10. The anti-roll control method according to claim 7, characterized in that: If the heaving degree of the bow exceeds a preset range, the step of switching to the anti-rolling mode further includes: When the bow moves upward first, the gas in the gas tank is discharged to form a negative pressure inside the gas tank; the gas tank is connected to the water tank to allow external liquid to flow into the water tank; When the bow rises to the highest position and starts to move downward, gas is introduced into the gas tank to form a positive pressure inside the gas tank and inside the water tank, so that the liquid in the water tank is discharged outward.

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