A sea power generation platform using electromagnetic damping anti-sloshing device

Abstract

The application discloses a sea power generation platform using an electromagnetic damping anti-sloshing device, which comprises a platform body and a storage battery for supplying power to the whole device, and a main support is arranged on the platform body; a piston head in a tubular shape and arranged horizontally is arranged on the main support, a first coil is arranged in the piston head, and the first coil is in conduction with the storage battery; a water baffle immersed in water is arranged on the side of the platform body far from the shore, a sleeve arranged horizontally is arranged on the side of the water baffle close to the platform body, one end of the sleeve close to the water baffle is provided with a side plate, and the other end of the sleeve far from the water baffle is open and arranged on the piston head; an electromagnet is arranged in the sleeve, and therefore the power generation platform can be applied to complex sea conditions.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of floating platforms, and particularly relates to a sea power generation platform using an electromagnetic damping anti-swing device. BACKGROUND

[0002] Tidal current energy is kinetic energy contained in tidal water when the tidal water moves horizontally, and is also called sea current energy. The existing tidal current energy power generation equipment is usually mounted on a floating platform. In order to ensure the stability of the platform, an anti-swing device is usually arranged. Due to the complex sea conditions in the sea, the anti-swing device needs to have strong anti-swing effect.

[0003] The anti-swing technology can be developed from the shock absorption technology. The commonly used shock absorption devices in the shock absorption technology include electromagnetic damping and hydraulic damping. The electromagnetic damping is that a piston is driven by a shock receiving end to push magnetic substances in and out of a coil. According to the principle recorded in the Lenz law, the effect of shock absorption is achieved. The hydraulic damping is that a piston in a cylinder generates movement to compress viscous damping medium in the cylinder through a damping hole from one cavity to another cavity. In this process, the energy transmitted by the shock is converted into heat energy by the viscous damping medium and dissipated.

[0004] The defects of the prior art are that in the existing shock absorption technology, the energy during the swing is mainly converted into internal energy and consumed. For example, the improved hydraulic shock absorber invented by Zhao Fulideng and the new type of navigation buoy floating frame folding connector developed by Gong Bo. The swing energy is converted into internal energy through liquid friction and spring compression to achieve the effect of shock absorption. However, the above devices cannot utilize the converted internal energy to improve the energy utilization rate. SUMMARY

[0005] The application aims to provide a sea power generation platform using an electromagnetic damping anti-swing device, and solve the technical problem that the power generation platform in the prior art is not applicable in complex sea conditions.

[0006] The application adopts the following technical scheme to solve the technical problem:

[0007] The utility model provides an offshore power generation platform with electromagnetic damping anti-sloshing device, which comprises a platform body and a storage battery for supplying power to the whole device, a main support is installed on the platform body, a piston head in the shape of a tube and horizontally arranged is installed on the main support, a first coil is arranged in the piston head, and the first coil is in conduction with the storage battery; a water baffle immersed in water is arranged on the side of the platform body away from the shore, a horizontally arranged sleeve is installed on the side of the water baffle close to the platform body, the end of the sleeve close to the water baffle is provided with a side plate, the end of the sleeve away from the water baffle is open, and the end is sleeved on the piston head; an electromagnet is installed in the sleeve; when the water baffle, the sleeve and the electromagnet move towards the platform body together due to the sea waves, the electromagnet is in the state of being powered on, the first coil is in the magnetic field with changing magnetic flux, induced current is generated in the first coil and stored in the storage battery, the magnetic field generated by the induced current in the first coil repels the electromagnet, and the movement of the water baffle towards the platform body is hindered; when the water baffle, the sleeve and the electromagnet move away from the platform body together due to the sea waves, the electromagnet is in the state of being powered on, the first coil is in the magnetic field with changing magnetic flux, induced current is generated in the first coil and stored in the storage battery, the magnetic field generated by the induced current in the first coil attracts the electromagnet, and the movement of the water baffle away from the platform body is hindered.

[0008] By arranging the first coil and the electromagnet, when the sea waves act on the water baffle, the electromagnet is close to or away from the first coil, induced current is generated in the first coil and stored in the storage battery, and thus the energy utilization rate is improved; according to Lenz's law, the magnetic field generated by the induced current repels or attracts the electromagnet, the movement of the electromagnet, the sleeve and the water baffle is hindered, and the effect of reducing the sloshing is achieved; meanwhile, the current in the first coil can be adjusted according to the size of the sea waves, when the sea waves are large, the current can be increased to reduce the shaking of the platform body caused by the sea waves; when the sea waves are small, the current can be reduced correspondingly to reduce the consumption of electric energy on the premise that the platform body does not shake violently.

[0009] Further, the electromagnet is a plurality of electromagnets, the plurality of electromagnets are uniformly distributed around the center line of the sleeve; the electromagnet comprises a second coil, a third coil and a U-shaped core; the U-shaped core comprises a first horizontal section, a second horizontal section and a bending section, the bending sections of the U-shaped cores are embedded in the side plates of the sleeve, the first horizontal sections of the U-shaped cores are embedded in the inner walls of the sleeve, the second horizontal sections of the U-shaped cores are inserted into the piston head, and the second coil and the third coil are wound around the first horizontal sections and the second horizontal sections of the U-shaped cores respectively; one end of each of the second coil and the third coil is in conduction with the positive electrode of the storage battery; the other end of each of the second coil and the third coil is in conduction with the negative electrode of the storage battery.

[0010] The first horizontal section of the U-shaped core is embedded in the inner wall of the sleeve, and the second horizontal section is inserted into the piston head, so that the first coil is in the magnetic field of the electromagnet; when the sea wave acts on the water baffle, the electromagnet and the piston head move closer to or away from each other, so that the first coil is in the magnetic field with changing magnetic flux; according to Lenz's law, the magnetic field generated by the induced current in the first coil will hinder the movement of the electromagnet, thereby achieving the effect of reducing the swing.

[0011] Further, the end of the piston head close to the water baffle is provided with a plurality of springs, one end of each spring is fixed to the piston head, and the other end of each spring is fixed to the side wall of the sleeve.

[0012] By arranging the springs, when the sleeve moves close to or away from the piston head, the springs are squeezed or pulled, thereby hindering the movement of the sleeve and the water baffle, and further enhancing the effect of reducing the swing; at the same time, the springs also have a buffering effect, avoiding deformation caused by the piston head hitting the sleeve.

[0013] Further, the main support is provided with a controller and an infrared distance meter electrically connected to the controller; the infrared distance meter monitors the distance from the water baffle to the infrared distance meter in real time; when the sea wave moves the water baffle towards the platform body, if the monitoring value of the infrared distance meter is less than a preset value, the controller increases the current in the second coil and the third coil of the electromagnet through the voltage regulator, thereby increasing the resistance to the movement of the water baffle towards the platform body; when the sea wave moves the water baffle away from the platform body, if the monitoring value of the infrared distance meter is greater than the preset value, the controller increases the current in the second coil and the third coil of the electromagnet through the voltage regulator, thereby increasing the resistance to the movement of the water baffle away from the platform body.

[0014] By arranging the infrared distance meter, the distance from the water baffle to the infrared distance meter can be monitored; when the water baffle moves towards the platform body, and the monitoring value of the infrared distance meter is less than the preset value, it indicates that the sea wave is large, and the current in the second coil and the third coil of the electromagnet needs to be increased to increase the resistance to the movement of the water baffle towards the platform body; when the water baffle moves away from the platform body, and the monitoring value of the infrared distance meter is greater than the preset value, it indicates that the sea wave is large, and the current in the second coil and the third coil of the electromagnet needs to be increased to increase the resistance to the movement of the water baffle away from the platform body.

[0015] Further, it further comprises a current diverter; two ends of the first coil are respectively connected with two wires, and the two wires are referred to as the first wire and the second wire; the positive and negative electrodes of the battery are respectively connected with two wires, and the two wires are referred to as the third wire and the fourth wire; the first wire, the second wire, the third wire and the fourth wire are connected to the current diverter.

[0016] Since the direction of the induced current in the first coil is opposite when the water baffle moves close to and away from the platform body, the current diverter can convert the alternating current of the induced current into direct current to charge the battery.

[0017] Further, the current diverter comprises a first block and two electric push rods, one electric push rod is arranged below and above the first block respectively, and the two electric push rods are electrically connected with the controller; the main body support is provided with a support, the electric push rod located above is installed on the support, the electric push rod located below is installed on the main body support, and the output ends of the two electric push rods are respectively installed on the upper surface and the lower surface of the first block; the upper part of the first block is embedded with an upper layer circuit, the upper layer circuit is two parallel wires, and the two wires are respectively recorded as a fifth wire and a sixth wire; the lower part of the first block is embedded with a lower layer circuit, the lower layer circuit is two wires arranged in an X shape, and the two wires are respectively recorded as a seventh wire and an eighth wire; the support is fixedly provided with a second block and a third block; the first block is located between the second block and the third block, and the first block is in contact and slidingly arranged with the second block and the third block; the first wire and the second wire are embedded in the second block, and the third wire and the fourth wire are embedded in the third block; the infrared range finder monitors the distance of the water baffle in real time, when the monitoring value of the infrared range finder continuously decreases, it indicates that the water baffle moves towards the platform body, the controller starts the electric push rod above the first block, moves the first block downwards, and makes the first wire and the third wire electrically connected through the fifth wire; the second wire and the fourth wire are electrically connected through the sixth wire, one end of the first coil close to the second wire is the positive electrode, and the other end close to the first wire is the negative electrode; the infrared range finder monitors the distance of the water baffle in real time, when the monitoring value of the infrared range finder continuously increases, it indicates that the water baffle moves away from the platform body, the controller starts the electric push rod below the first block, moves the first block upwards, and makes the first wire and the fourth wire electrically connected through the seventh wire; the second wire and the third wire are electrically connected through the eighth wire, one end of the first coil close to the first wire is the positive electrode, and the other end close to the second wire is the negative electrode.

[0018] When the water baffle moves towards the platform body, the induced current in the first coil passes through the upper layer circuit to charge the battery; when the water baffle moves away from the platform body, the flow direction of the induced current is opposite, so the induced current in the first coil passes through the lower layer circuit to charge the battery.

[0019] Further, the two ends of the fifth wire, the sixth wire, the seventh wire and the eighth wire are respectively fixed with electrode sheets, and each electrode sheet is embedded in the first block.

[0020] By arranging the electrode sheets, when it is needed to switch to the upper layer circuit or the lower layer circuit, the electrode sheets can ensure that the two ends of the upper layer circuit or the lower layer circuit are in good contact with the corresponding wires.

[0021] Further, one iron chain for limiting the sleeve is arranged on each side of the sleeve, one end of each iron chain is fixedly connected with the sleeve, and the other end of each iron chain is fixedly connected with the main body support.

[0022] By setting an iron chain on both sides of the sleeve, the sleeve is limited, and the sleeve is prevented from separating from the piston head.

[0023] The beneficial effects of the present application are:

[0024] 1. By setting the first coil and electromagnet, when the sea wave acts on the fender, the electromagnet is close to or away from the first coil, the induced current is generated in the first coil and stored in the battery, so as to improve the energy utilization rate; at the same time, according to Lenz's law, the magnetic field generated by the induced current and the electromagnet repel or attract each other, hinder the movement of the electromagnet, sleeve and fender, so as to achieve the effect of reducing the swing, so that the platform can be suitable for complex sea conditions.

[0025] 2. The current in the first coil can be adjusted according to the size of the sea wave. When the sea wave is large, the current can be increased to reduce the swing of the platform body caused by the sea wave; when the sea wave is small, the current can be reduced accordingly to reduce the consumption of electric energy under the premise of ensuring that the platform body does not swing violently.

[0026] 3. By setting the spring, when the sleeve is close to or away from the piston head, the spring is squeezed or pulled, and the movement of the sleeve and the fender is hindered by the spring, further enhancing the effect of reducing the swing.

[0027] 4. Since the direction of the induced current generated in the first coil is opposite when the fender is close to or away from the platform body, the current diverter can be set to convert the alternating current of the induced current into direct current to charge the battery. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The overall structure schematic diagram of the present application is shown.

[0029] Figure 2 The structure schematic diagram of the current converter is shown.

[0030] Figure 3 The structure schematic diagram of the upper layer circuit is shown.

[0031] Figure 4 The current flow direction schematic diagram in the upper layer circuit is shown.

[0032] Figure 5 The structure schematic diagram of the lower layer circuit is shown.

[0033] Figure 6 The current flow direction schematic diagram in the lower layer circuit is shown.

[0034] Components, parts, and their numbers in the diagram: Main support 1, Piston head 2, First coil 3, Sleeve 4, Electromagnet 5, Second coil 51, Third coil 52, U-shaped iron core 53, Spring 6, Water baffle 7, Infrared rangefinder 8, Current converter 9, Battery 10, Controller 11, Chain 12, Upper circuit 13, Fifth wire 131, Sixth wire 132, Lower circuit 14, Seventh wire 141, Eighth wire 142, Electric push rod 15, Second block 16, Wire 1 17, First wire 171, Second wire 172, Third block 18, Wire 2 19, Third wire 191, Fourth wire 192, Electrode plate 20, First block 21. Detailed Implementation

[0035] The specific implementation methods of the invention are given below, and the technical solution of the invention will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the invention. Example 1:

[0036] like Figure 1 As shown, an offshore power generation platform using an electromagnetic damping anti-sway device includes a current diverter 9, electrode plates 20, a platform body, and a battery 10 supplying power to the entire device. A main support 1 is mounted on the platform body; a tubular, horizontally positioned piston head 2 is mounted on the main support 1, and a first coil 3 is disposed within the piston head 2, which is connected to the battery 10; a water-retaining baffle 7 is disposed on the side of the platform body away from the shore, and a horizontally positioned sleeve 4 is mounted on the side of the baffle 7 near the platform body. The end of the sleeve 4 near the baffle 7 has a side plate, and the end of the sleeve 4 away from the baffle 7 is open and fitted onto the piston head 2; an electromagnet 5 is installed within the sleeve 4; waves cause the baffle to... When the water deflector 7, sleeve 4, and electromagnet 5 move together toward the platform body, electromagnet 5 is energized, and the first coil 3 is in a magnetic field with changing magnetic flux. An induced current is generated in the first coil 3 and stored in the battery 10. The magnetic field generated by the induced current in the first coil 3 repels the electromagnet 5, hindering the water deflector 7 from moving toward the platform body. When the waves cause the water deflector 7, sleeve 4, and electromagnet 5 to move away from the platform body, electromagnet 5 is energized, and the first coil 3 is in a magnetic field with changing magnetic flux. An induced current is generated in the first coil 3 and stored in the battery 10. The magnetic field generated by the induced current in the first coil 3 attracts the electromagnet 5, hindering the water deflector 7 from moving away from the platform body.

[0037] like Figure 1As shown, the electromagnet 5 is multiple, multiple electromagnet 5 around the center line of sleeve 4 evenly distributed; electromagnet 5 includes second coil 51, third coil 52 and U-shaped core 53; U-shaped core 53 includes a first horizontal section, a second horizontal section and a bending section, the bending section of U-shaped core 53 is embedded in the side plate of sleeve 4, the first horizontal section of U-shaped core 53 is embedded in the inner wall of sleeve 4, the second horizontal section of U-shaped core 53 is inserted in the piston head 2, the second coil 51 and the third coil 52 are wound on the first horizontal section and the second horizontal section of the U-shaped core 53 respectively; one end of each of the second coil 51 and the third coil 52 is conductive with the positive electrode of the battery; the other end of each of the second coil and the third coil is conductive with the negative electrode of the battery.

[0038] As shown in the figure, Figure 1 The piston head 2 is provided with a plurality of springs 6 near one end of the water baffle 7, one end of each spring 6 is fixedly connected with the piston head 2, and the other end of each spring 6 is fixedly connected with the side wall of the sleeve 4.

[0039] As shown in the figure, Figure 1 The controller 11 and the infrared range finder 8 electrically connected with the controller are installed on the main body support 1; the infrared range finder 8 monitors the distance from the water baffle 7 to the infrared range finder 8 in real time; when the water baffle 7 moves towards the platform body due to the sea wave, if the monitoring value of the infrared range finder 8 is less than the preset value, the controller increases the current in the second coil 51 and the third coil 52 of the electromagnet 5 through the voltage regulator, thereby increasing the resistance to the movement of the water baffle 7 towards the platform body; when the water baffle 7 moves away from the platform body due to the sea wave, if the monitoring value of the infrared range finder 8 is greater than the preset value, the controller increases the current in the second coil 51 and the third coil 52 of the electromagnet 5 through the voltage regulator, thereby increasing the resistance to the movement of the water baffle 7 away from the platform body.

[0040] In this embodiment, the voltage regulator is a silicon controlled voltage regulator, the battery supplies power to the electromagnet through the voltage regulator, and the controller controls the working voltage of the electromagnet through the voltage regulator, so as to control the strength of the magnetic field of the electromagnet.

[0041] As shown in the figure, Figure 2 The two ends of the first coil 3 are respectively connected with two wires one 17, and the two wires one 17 are marked as first wire 171 and second wire 172; the positive and negative electrodes of the battery are respectively connected with two wires two 19, and the two wires two 19 are marked as third wire 191 and fourth wire 192; the first wire 171, the second wire 172, the third wire 191 and the fourth wire 192 are all connected on the current diverter 9.

[0042] As shown in the figure, Figure 2As shown, the current diverter 9 includes a first block 21 and two electric push rods 15, one electric push rod 15 is arranged below and above the first block 21 respectively, and the two electric push rods 15 are electrically connected with the controller; The main body support 1 is provided with a bracket, the electric push rod 15 located above is installed on the bracket, and the electric push rod 15 located below is installed on the main body support 1, and the output ends of the two electric push rods 15 are respectively installed on the upper surface and the lower surface of the first block 21.

[0043] As shown in Figure 3 and Figure 4 As shown, the upper part of the first block 21 is embedded with an upper layer circuit 13, and the upper layer circuit is two parallel wires, which are sequentially recorded as the fifth wire 131 and the sixth wire 132.

[0044] As shown in Figure 5 and Figure 6 As shown, the lower part of the first block is embedded with a lower layer circuit 14, and the lower layer circuit 14 is two X-shaped cross-arranged wires, which are sequentially recorded as the seventh wire 141 and the eighth wire 142; The bracket is fixed with a second block 16 and a third block 18; The first block 21 is located between the second block 16 and the third block 18, and the first block 21 is in contact and slidingly arranged with the second block 16 and the third block 18; The first wire 171 and the second wire 172 are embedded in the second block 16, and the third wire 191 and the fourth wire 192 are embedded in the third block 18.

[0045] The infrared range finder 8 monitors the distance of the water baffle 7 in real time, when the monitoring value of the infrared range finder 8 continuously decreases, it indicates that the water baffle 7 moves to the platform body, the controller starts the electric push rod 15 above the first block 21, moves the first block 21 downward, makes the first wire 171 and the third wire 191 electrically connected through the fifth wire 131; The second wire 172 and the fourth wire 192 are electrically connected through the sixth wire 132, and one end of the first coil 3 close to the second wire 172 is positive, and one end close to the first wire 171 is negative.

[0046] The infrared range finder 8 monitors the distance of the water baffle 7 in real time, when the monitoring value of the infrared range finder 8 continuously increases, it indicates that the water baffle 7 moves away from the platform body, the controller starts the electric push rod 15 below the first block 21, moves the first block 21 upward, makes the first wire 171 and the fourth wire 192 electrically connected through the seventh wire 141; The second wire 172 and the third wire 191 are electrically connected through the eighth wire 142, and one end of the first coil 3 close to the first wire 171 is positive, and one end close to the second wire 172 is negative.

[0047] In the embodiment, whether the monitoring value of the infrared distance meter 8 is continuously increasing or continuously decreasing can be obtained by the controller through calculation. The infrared distance meter 8 measures the distance every second and transmits the measurement result to the controller. The controller subtracts the monitoring value of the previous second from the current monitoring value. If the calculation result is positive, the water baffle 7 is away from the platform body, and the monitoring value is continuously increasing. Otherwise, the water baffle 7 is close to the platform body, and the monitoring value is continuously decreasing.

[0048] In other embodiments, the current diverter 9 can be replaced by a rectifier bridge to convert alternating current into direct current.

[0049] As shown in Figure 3 and Figure 5 The two ends of the fifth wire 131, the sixth wire 132, the seventh wire 141 and the eighth wire 142 are fixed with the electrode pieces 20 respectively, and each electrode piece 20 is embedded in the first block 21.

[0050] As shown in Figure 1 Each of the two sides of the sleeve 4 is provided with an iron chain 12 for limiting the sleeve 4. One end of each iron chain 12 is fixed with the sleeve 4, and the other end of each iron chain 12 is fixed with the main body support 1.

[0051] Based on the above ideal embodiments according to the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. An offshore power platform employing electromagnetic damping anti- sloshing devices, characterized in that, The platform body is provided with a main body support (1), and a piston head (2) in a tubular shape and horizontally arranged is arranged on the main body support (1); the piston head (2) is provided with a first coil (3), and the first coil is in conduction with the battery (10); A water baffle (7) is arranged on the side of the platform body away from the shore and is immersed in water, a sleeve (4) is arranged on the side of the water baffle (7) close to the platform body, the sleeve (4) is provided with a side plate on the side close to the water baffle (7), and the side of the sleeve (4) away from the water baffle (7) is open and is sleeved on the piston head (2); The sleeve (4) is provided with an electromagnet (5); The current diverter (9) is further arranged; Two ends of the first coil (3) are respectively connected with two wires (17), and the two wires (17) are respectively referred to as a first wire (171) and a second wire (172); Two ends of the battery are respectively connected with two wires (19), and the two wires (19) are respectively referred to as a third wire (191) and a fourth wire (192); The first wire (171), the second wire (172), the third wire (191) and the fourth wire (192) are all connected with the current diverter (9); The current diverter (9) comprises a first block (21) and two electric push rods (15), one electric push rod (15) is arranged below and above the first block (21) respectively, and the two electric push rods (15) are both electrically connected with a controller; The main body support (1) is provided with a support, the electric push rod (15) arranged above is arranged on the support, the electric push rod (15) arranged below is arranged on the main body support (1), and the output ends of the two electric push rods (15) are respectively arranged on the upper surface and the lower surface of the first block (21); The upper part of the first block (21) is embedded with an upper layer circuit (13), and the upper layer circuit is two parallel wires, which are respectively referred to as a fifth wire (131) and a sixth wire (132); The lower part of the first block is embedded with a lower layer circuit (14), and the lower layer circuit (14) is two wires arranged in an X shape, which are respectively referred to as a seventh wire (141) and an eighth wire (142); The support is fixedly provided with a second block (16) and a third block (18); the first block (21) is located between the second block (16) and the third block (18), and the first block (21) is in contact with and slidably arranged on the second block (16) and the third block (18); The first wire (171) and the second wire (172) are both embedded in the second block (16), and the third wire (191) and the fourth wire (192) are both embedded in the third block (18); The infrared range finder (8) monitors the distance of the water baffle (7) in real time, and the controller controls the first block (21) to move downward or upward according to the monitoring value.

2. The offshore power generation platform of claim 1, wherein When the sea wave moves the water baffle (7), the sleeve (4) and the electromagnet (5) together to the platform body, the electromagnet (5) is in the energized state, the first coil (3) is in the magnetic field of the magnetic flux change, the induced current is generated in the first coil (3) and stored in the battery (10), the magnetic field generated by the induced current in the first coil (3) and the electromagnet (5) repel each other, hinder the water baffle (7) to move to the platform body; When the sea wave moves the water baffle (7), the sleeve (4) and the electromagnet (5) together to the platform body, the electromagnet (5) is in the energized state, the first coil (3) is in the magnetic field of the magnetic flux change, the induced current is generated in the first coil (3) and stored in the battery (10), the magnetic field generated by the induced current in the first coil (3) and the electromagnet (5) repel each other, hinder the water baffle (7) to move to the platform body; 3. A sea-based power platform employing electromagnetic damping anti- sloshing devices as claimed in claim 1, wherein, The electromagnet (5) is multiple, and the multiple electromagnets (5) are uniformly distributed around the center line of the sleeve (4); The electromagnet (5) comprises a second coil (51), a third coil (52) and a U-shaped core (53); The U-shaped core (53) comprises a first horizontal section, a second horizontal section and a bending section, the bending sections of the U-shaped core (53) are embedded in the side plates of the sleeve (4), the first horizontal sections of the U-shaped core (53) are embedded in the inner wall of the sleeve (4), the second horizontal sections of the U-shaped core (53) are inserted in the piston head (2), and the second coil (51) and the third coil (52) are wound on the first horizontal sections and the second horizontal sections of the U-shaped core (53) respectively; One end of each of the second coil (51) and the third coil (52) is in conduction with the positive electrode of the battery, and the other end of each of the second coil and the third coil is in conduction with the negative electrode of the battery.

4. A sea-based power platform employing electromagnetic damping anti- sloshing devices as claimed in claim 3, wherein, The main body support (1) is provided with a controller (11) and an infrared distance meter (8) electrically connected with the controller; the infrared distance meter (8) monitors the distance from the water baffle (7) to the infrared distance meter (8) in real time; When the sea wave moves the water baffle (7) to the platform body, when the monitoring value of the infrared distance meter (8) is less than the preset value, the controller increases the current in the second coil (51) and the third coil (52) of the electromagnet (5) through the voltage regulator, and increases the resistance of the water baffle (7) to move to the platform body; When the sea wave moves the water baffle (7) to the platform body, when the monitoring value of the infrared distance meter (8) is less than the preset value, the controller increases the current in the second coil (51) and the third coil (52) of the electromagnet (5) through the voltage regulator, and increases the resistance of the water baffle (7) to move to the platform body.

5. A sea-based power platform employing electromagnetic damping anti- sloshing devices as recited in claim 1, wherein, The piston head (2) is provided with a plurality of springs (6) at one end close to the water baffle (7), one end of each spring (6) is fixedly connected with the piston head (2), and the other end of each spring (6) is fixedly connected with the side plate of the sleeve (4).

6. A sea-based power platform employing electromagnetic damping anti- sloshing devices as recited in claim 1, wherein, Further comprising electrode sheets (20), the two ends of the fifth lead wire (131), the sixth lead wire (132), the seventh lead wire (141) and the eighth lead wire (142) are fixed with the electrode sheets (20) respectively, and each electrode sheet (20) is embedded in the first block (21).

7. A sea-based power platform employing electromagnetic damping anti- sloshing devices as claimed in claim 5, wherein, Two iron chains (12) for limiting the sleeve (4) are arranged on both sides of the sleeve (4), one end of each iron chain (12) is fixed to the sleeve (4), and the other end of each iron chain (12) is fixed to the main support (1).

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