Combined type shared mooring system of wave energy device array

Abstract

A combined type shared mooring system of a wave energy device array comprises a wave energy device basic module and a shared mooring module, and the wave energy device basic module comprises a buoy, a main floater, a power generation chamber cabin and a mooring chassis which are arranged in a matched mode; a buoy is arranged above the power generation chamber cabin, the main floater is fixedly connected with the power generation chamber cabin, and a closed space is formed in the main floater and can provide buoyancy for the wave energy device. The buoy reciprocates under the action of waves to drive the wave energy device in the power generation chamber cabin to generate power; the mooring chassis is in a regular hexagon shape, is formed by welding steel frames and is fixedly installed at the bottom of the power generation chamber cabin. The shared mooring module comprises a shared mooring rope, a bottom mooring rope, an anchor chain, an anchoring base station, a buoyancy adjusting oil bag, a shared mooring balancing weight and a bottom mooring balancing weight, wherein the shared mooring balancing weight and the bottom mooring balancing weight are arranged in the middle of the mooring rope.

Description

Technical field:

[0001] The invention relates to a combined shared mooring system for a wave energy device array. Background technology:

[0002] Wave energy devices are divided into two categories according to their geographical location: onshore and offshore. For onshore wave energy devices, not only are there special requirements for the terrain of the device construction area, but also they have a great impact on the environment and landscape of the nearby sea areas. At the same time, due to the relatively low energy flow density of wave energy in offshore areas and the relatively low wave energy capture efficiency, the development of wave energy resources is gradually advancing towards deep and offshore areas, and wave energy devices are developing towards offshore directions.

[0003] The main working principle of a single offshore wave energy device is to absorb wave energy by the reciprocating motion of the floating body under the action of waves. Therefore, the mooring system is required to play a mooring role for the device on the one hand, and to allow it to maintain a certain degree of follow-up within a certain range on the other hand. For a single offshore wave energy device, the wave energy capture efficiency and survivability are relatively low. Therefore, the use of a mooring system to position and arrange the offshore wave energy array field is a necessary means for the development of wave energy arrays.

[0004] The existing single mooring system occupies a large sea area, cannot guarantee the energy capture efficiency of the wave energy device, and has a high overall power generation cost. Therefore, it cannot be applied to complex and harsh marine environments and dynamic changes under different sea conditions, posing a huge threat to the safety and stability of arrayed wave energy devices and cannot guarantee the long-term and stable operation of the wave energy devices. Summary of the invention:

[0005] The embodiment of the present invention provides a combined shared mooring system for an array of wave energy devices. The system has a reasonable structural design and is manufactured using materials resistant to seawater corrosion. The system is installed in deep and deep sea areas and can work stably for a long time under various marine environmental conditions. The system has strong adaptability and adjustment capabilities, and effectively realizes the diversified application of wave energy devices from shallow seas to deep and deep sea areas. The system can cope with the dynamic changes of wave energy devices under different sea conditions. Compared with the existing ordinary single mooring system, the shared mooring positioning method can effectively save the use area of ​​the sea area, reduce the impact on the environment and landscape of the nearshore sea area, and improve the energy capture efficiency of the wave energy device. The system can increase the draft of the wave energy device under harsh working sea conditions to reduce the amplitude of the device motion response, thereby ensuring the safety and stability of the arrayed wave energy device in complex and harsh marine environments. At the same time, the overall system adopts a modular design, which is convenient for installation, updating and maintenance, can be popularized and applied, and solves the problems existing in the prior art.

[0006] The technical solution adopted by the present invention to solve the above technical problems is:

[0007] A combined shared mooring system for an array of wave energy devices, the shared mooring system comprising a wave energy device basic module and a shared mooring module, the wave energy device basic module comprising a buoy, a main float, a power generation chamber cabin and a mooring chassis arranged in coordination with each other; a buoy is arranged above the power generation chamber cabin, the main float is fixedly connected to the power generation chamber cabin, and a closed space is arranged inside, which can provide buoyancy for the wave energy device; the buoy reciprocates under the action of waves, driving the wave energy device in the power generation chamber cabin to generate electricity; the mooring chassis is a regular hexagon, welded from a steel frame, and fixedly installed at the bottom of the power generation chamber cabin;

[0008] The shared mooring module comprises a shared mooring cable, a bottom mooring cable, an anchor chain, an anchoring base, a buoyancy regulating oil bag, and a shared mooring counterweight block and a bottom mooring counterweight block arranged in the middle of the cable.

[0009] The number of the wave energy device basic modules is 7, forming a wave energy array, wherein one wave energy device basic module is located at the center, and the remaining six wave energy device basic modules are respectively located at the outer corner vertices of a regular hexagon; the mooring chassis of the wave energy device basic module located at the center and the mooring chassis of the remaining six wave energy device basic modules are connected to each other in pairs through a shared mooring cable, and the mooring chassis of the six wave energy device basic modules at the outer corners are connected in sequence through a shared mooring cable; the six wave energy device basic modules at the outer corners are respectively connected to the anchoring base through the bottom mooring cable.

[0010] The shared mooring cable and the bottom mooring cable are made of high molecular polyester cable; the shared mooring counterweight block and the bottom mooring counterweight block are used to maintain the dynamic balance of the wave energy array and provide static restoring force and mooring stiffness for the shared mooring module.

[0011] One end of the buoyancy regulating oil bag is connected to the bottom mooring cable, and the other end is connected to the mooring chassis of the basic module of the wave energy device; the buoyancy regulating oil bag is fixedly connected to the anchor chain, and the anchor chain is fixedly connected to the anchor base.

[0012] The buoyancy regulating oil bag comprises an electronic compartment, a hydraulic compartment and a power compartment. A control unit, a cable tension sensor, a position sensor, an electronic compartment power supply, an electronic compartment partition and an upper end cover are arranged in the electronic compartment; a buoyancy oil bag, a hydraulic system, a shell, an oil guide pipe and an oil storage tank are arranged in the hydraulic compartment; three hydraulic batteries, an anchor chain tension sensor, a power compartment partition and a lower end cover are arranged in the power compartment.

[0013] The cable tension sensor is located inside the upper end cover and is fixedly connected to the bottom mooring cable; the control unit is fixedly connected to the electronic compartment partition, and the position sensor is fixedly connected to the electronic compartment partition; the electronic compartment power supply is fixedly connected to the electronic compartment partition, and the electronic compartment partition is fixedly connected to the bottom of the upper end cover, and the upper end cover and the lower end cover are fixedly connected to the shell respectively; the oil storage tank is located on the upper part of the shell, and the oil guide pipe is fixedly connected to the hydraulic system;

[0014] The buoyancy oil bag is wrapped and covered on the outside of the shell, the oil outlet of the oil guide pipe passes through the shell and is connected to the buoyancy oil bag, the power compartment bulkhead is fixedly connected to the lower end cover, the hydraulic battery is fixedly connected to the lower end cover, and the anchor chain tension sensor is located inside the lower end cover and is fixedly connected to the lower anchor chain;

[0015] The buoyancy regulating oil bag monitors the mooring tension value of the shared mooring module in real time through the cable tension sensor and the anchor chain tension sensor. If an abnormal situation such as excessive tension occurs, the volume of the buoyancy oil bag is adjusted through the control unit of the electronic cabin to perform efficient, stable and adaptable tension adjustment.

[0016] In severe non-working sea conditions, the buoyancy regulating oil bag is in a contracted state, the buoyancy of the buoy becomes smaller and sinks to the seabed, lowering the position of the counterweight block, increasing the length of the anchor chain lying on the bottom, reducing the anchor chain tension, and increasing the mooring stiffness, thereby increasing the draft of the wave energy device to reduce the amplitude of the device's motion response.

[0017] The cable tension sensor and anchor chain tension sensor identify working and severe non-working sea conditions through changes in tension, and provide signals to the device in the buoyancy regulating oil bag to control the precise inflow and outflow of the regulating hydraulic oil.

[0018] The upper end cover and the lower end cover of the buoyancy regulating oil bag are streamlined; the cable tension sensor and the anchor chain tension sensor are respectively installed at the two ends of the buoyancy regulating oil bag.

[0019] The present invention adopts the above structure and realizes the efficient development of the array of wave energy power generation devices through a combined shared mooring system. Compared with the ordinary single mooring method, the shared mooring positioning method can save the use area of ​​the sea area and improve the energy capture efficiency of the device; the cost of wave energy power generation is reduced by adopting a shared mooring structure, and at the same time, the safety performance and survivability of the wave energy power generation device can be improved by jointly resisting wind and waves; the application of the wave energy device array in the abyssal sea area is realized through the tension-adjustable mooring module, which effectively realizes the diversified application of the wave energy device from shallow sea to deep sea area, which not only reduces the installation difficulty of the wave energy array device, but also reduces the impact on the environment and landscape of the nearshore sea area; through the regulating effect of the buoyancy regulating oil bag, it is put into a contracted state, the position of the counterweight block is lowered, the length of the anchor chain lying on the bottom is increased to reduce the anchor chain tension, and the mooring stiffness is increased, thereby increasing the draft of the wave energy device to reduce the amplitude of the device motion response, thereby ensuring the safety and stability of the arrayed wave energy device in a complex and harsh marine environment, and has the advantages of safety, practicality, stability and high efficiency. Description of the drawings:

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 for Figure 1 Top view of the .

[0022] Figure 3 It is a schematic diagram of the structure of the buoyancy regulating oil bag of the present invention.

[0023] Figure 4 It is a structural schematic diagram of the electronic cabin of the present invention.

[0024] Figure 5 It is a structural schematic diagram of the hydraulic cabin of the present invention.

[0025] Figure 6 It is a schematic structural diagram of the power cabin of the present invention.

[0026] In the figure, 1-buoy; 2-main float; 3-generator room cabin; 4-mooring chassis; 5-bottom mooring counterweight; 6-bottom mooring cable; 7-buoyancy adjustment oil bag; 8-anchor chain; 9-anchor base; 10-shared mooring cable; 11-shared mooring counterweight; 12-electronic cabin; 13-hydraulic cabin; 14-power cabin; 15-upper end cover; 16-cable tension sensor; 17-control unit; 18-position sensor; 19-electronic cabin power supply; 20-electronic cabin partition; 21-buoyancy oil bag; 22-hull; 23-oil guide pipe; 24-hydraulic system; 25-oil storage tank; 26-lower end cover; 27-anchor chain tension sensor; 28-power cabin partition; 29-hydraulic battery. Specific implementation method:

[0027] In order to clearly illustrate the technical features of the present solution, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0028] like Figure 1-6 As shown in, a combined shared mooring system for an array of wave energy devices, the shared mooring system includes a wave energy device basic module and a shared mooring module, the wave energy device basic module includes a buoy, a main float, a power generation chamber cabin and a mooring chassis that are arranged in coordination with each other; a buoy is arranged above the power generation chamber cabin, the main float is fixedly connected to the power generation chamber cabin, and a closed space is arranged inside, which can provide buoyancy for the wave energy device; the buoy reciprocates under the action of waves, driving the wave energy device in the power generation chamber cabin to generate electricity; the mooring chassis is a regular hexagon, welded from a steel frame, and fixedly installed at the bottom of the power generation chamber cabin;

[0029] The shared mooring module comprises a shared mooring cable, a bottom mooring cable, an anchor chain, an anchoring base, a buoyancy regulating oil bag, and a shared mooring counterweight block and a bottom mooring counterweight block arranged in the middle of the cable.

[0030] The number of the wave energy device basic modules is 7, forming a wave energy array, wherein one wave energy device basic module is located at the center, and the remaining six wave energy device basic modules are respectively located at the outer corner vertices of a regular hexagon; the mooring chassis of the wave energy device basic module located at the center and the mooring chassis of the remaining six wave energy device basic modules are connected to each other in pairs through a shared mooring cable, and the mooring chassis of the six wave energy device basic modules at the outer corners are connected in sequence through a shared mooring cable; the six wave energy device basic modules at the outer corners are respectively connected to the anchoring base through the bottom mooring cable.

[0031] The shared mooring cable and the bottom mooring cable are made of high molecular polyester cable; the shared mooring counterweight block and the bottom mooring counterweight block are used to maintain the dynamic balance of the wave energy array and provide static restoring force and mooring stiffness for the shared mooring module.

[0032] One end of the buoyancy regulating oil bag is connected to the bottom mooring cable, and the other end is connected to the mooring chassis of the basic module of the wave energy device; the buoyancy regulating oil bag is fixedly connected to the anchor chain, and the anchor chain is fixedly connected to the anchor base.

[0033] The buoyancy regulating oil bag comprises an electronic compartment, a hydraulic compartment and a power compartment. A control unit, a cable tension sensor, a position sensor, an electronic compartment power supply, an electronic compartment partition and an upper end cover are arranged in the electronic compartment; a buoyancy oil bag, a hydraulic system, a shell, an oil guide pipe and an oil storage tank are arranged in the hydraulic compartment; three hydraulic batteries, an anchor chain tension sensor, a power compartment partition and a lower end cover are arranged in the power compartment.

[0034] The cable tension sensor is located inside the upper end cover and is fixedly connected to the bottom mooring cable; the control unit is fixedly connected to the electronic compartment partition, and the position sensor is fixedly connected to the electronic compartment partition; the electronic compartment power supply is fixedly connected to the electronic compartment partition, and the electronic compartment partition is fixedly connected to the bottom of the upper end cover, and the upper end cover and the lower end cover are fixedly connected to the shell respectively; the oil storage tank is located on the upper part of the shell, and the oil guide pipe is fixedly connected to the hydraulic system;

[0035] The buoyancy oil bag is wrapped and covered on the outside of the shell, the oil outlet of the oil guide pipe passes through the shell and is connected to the buoyancy oil bag, the power compartment bulkhead is fixedly connected to the lower end cover, the hydraulic battery is fixedly connected to the lower end cover, and the anchor chain tension sensor is located inside the lower end cover and is fixedly connected to the lower anchor chain;

[0036] The buoyancy regulating oil bag monitors the mooring tension value of the shared mooring module in real time through the cable tension sensor and the anchor chain tension sensor. If an abnormal situation such as excessive tension occurs, the volume of the buoyancy oil bag is adjusted through the control unit of the electronic cabin to perform efficient, stable and adaptable tension adjustment.

[0037] In severe non-working sea conditions, the buoyancy regulating oil bag is in a contracted state, the buoyancy of the buoy becomes smaller and sinks to the seabed, lowering the position of the counterweight block, increasing the length of the anchor chain lying on the bottom, reducing the anchor chain tension, and increasing the mooring stiffness, thereby increasing the draft of the wave energy device to reduce the amplitude of the device's motion response.

[0038] The cable tension sensor and anchor chain tension sensor identify working and severe non-working sea conditions through changes in tension, and provide signals to the device in the buoyancy regulating oil bag to control the precise inflow and outflow of the regulating hydraulic oil.

[0039] The upper end cover and the lower end cover of the buoyancy regulating oil bag are streamlined; the cable tension sensor and the anchor chain tension sensor are respectively installed at the two ends of the buoyancy regulating oil bag.

[0040] The working principle of a combined shared mooring system for an array of wave energy devices in an embodiment of the present invention is as follows: it is manufactured using materials resistant to seawater corrosion, placed in deep and deep sea areas, can work stably for a long time under various marine environmental conditions, has strong adaptability and adjustment capabilities, and effectively realizes the diversified application of wave energy devices from shallow seas to deep and deep sea areas, and can cope with the dynamic changes of wave energy devices under different sea conditions. Compared with the existing ordinary single mooring system, the shared mooring positioning method can effectively save the use area of ​​the sea area, reduce the impact on the environment and landscape of the nearshore waters, and improve the energy capture efficiency of the wave energy device. It can increase the draft of the wave energy device under harsh working sea conditions to reduce the amplitude of the device motion response, thereby ensuring the safety and stability of the arrayed wave energy device in complex and harsh marine environments. At the same time, the overall system adopts a modular design, which is convenient for installation, updating and maintenance, and can be popularized and applied.

[0041] The overall scheme mainly includes a wave energy device basic module and a shared mooring module. The wave energy device basic module includes a buoy, a main buoy, a power generation chamber cabin and a mooring chassis that are arranged in coordination with each other; a buoy is arranged above the power generation chamber cabin, the main buoy is fixedly connected to the power generation chamber cabin, and a closed space is arranged inside, which can provide buoyancy for the wave energy device; the buoy reciprocates under the action of waves, driving the wave energy device in the power generation chamber cabin to generate electricity; the mooring chassis is a regular hexagon, welded from a steel frame, and fixedly installed on the bottom of the power generation chamber cabin; the shared mooring module includes a shared mooring cable, a bottom mooring cable, an anchor chain, an anchoring base, a buoyancy adjustment oil bag, and a shared mooring counterweight and a bottom mooring counterweight arranged in the middle of the cable.

[0042] Generally speaking, the combined shared mooring system of the present application is mainly arranged in deep-sea areas with high wave energy flow density; the number of the wave energy device basic modules is 7, forming a wave energy array, one wave energy device basic module is located at the center, and the remaining six wave energy device basic modules are respectively located at the outer corner vertices of a regular hexagon; the mooring chassis of the wave energy device basic module located at the center and the mooring chassis of the remaining six wave energy device basic modules are connected to each other in pairs through shared mooring cables, and the mooring chassis of the six wave energy device basic modules at the outer corners are connected in sequence through a shared mooring cable; the six wave energy device basic modules at the outer corners are respectively connected to the anchor base through bottom mooring cables.

[0043] The shared mooring cable 10 adopts polymer polyester cable as the cable material, and a shared mooring counterweight block 11 of a certain weight is arranged in the middle of the cable to provide restoring force and mooring stiffness; for the bottom mooring cable 6, the front section adopts polymer polyester cable to connect to the mooring chassis 4, and a bottom mooring counterweight block 5 of a certain mass is arranged in the middle and connected to the buoyancy regulating oil bag 7, and the other end of the polymer polyester cable is connected to one end of the buoyancy regulating oil bag 7, and the rear end of the buoyancy regulating oil bag 7 is connected to the anchor chain 8, and the other end of the anchor chain 8 is connected to the anchor base 9, which fixes the array mooring device to the seabed.

[0044] The buoyancy regulating oil bag includes an electronic compartment 12, a hydraulic compartment 13 and a power compartment 14; the bottom mooring cable 6 is connected to the cable tension sensor 16 in the buoyancy regulating oil bag electronic compartment 12, and the anchor chain 8 is connected to the anchor chain tension sensor 27 in the buoyancy regulating oil bag power compartment 14. The buoyancy regulating oil bag 7 can monitor the mooring tension value of the mooring system in real time through the cable tension sensor 16 and the anchor chain tension sensor 27. If an abnormal situation such as excessive tension occurs, the volume of the buoyancy oil bag is adjusted through the control unit 17 of the buoyancy regulating oil bag electronic compartment 12 to perform efficient, stable and adaptable tension adjustment.

[0045] In actual use, when the sea conditions in the mooring area are relatively stable, in order to improve the energy capture efficiency of the wave energy array device, the buoyancy regulating oil bag 7 of the mooring system works, and the control unit 17 inside the buoyancy regulating oil bag 7 drives the hydraulic system 24 to operate. Under the action of the hydraulic system 24, the hydraulic oil is transferred from the oil storage tank 25 to the buoyancy oil bag 21. Since the buoyancy oil bag 21 wraps and covers the outside of the device shell 22, the volume of the buoyancy oil bag 21 continues to increase, and the total volume of the device also continues to increase. The buoyancy of the entire device is improved, thereby driving the bottom mooring cable 6 and the bottom mooring counterweight 5 in the combined shared mooring system to float up, so that the wave energy device array maintains a certain follow-up within a certain range, reduces the mooring stiffness, and keeps the wave energy device at a working water level.

[0046] Similarly, under severe non-working sea conditions, the buoyancy regulating oil bag 7 is in a contracted state, the volume of the buoyancy bladder 21 becomes smaller, the buoyancy regulating oil bag 7 sinks to the seabed, lowering the position of the bottom mooring counterweight 5, increasing the length of the bottom lying section of the anchor chain 8, reducing the tension of the anchor chain 8, and increasing the mooring stiffness of the system, thereby increasing the draft of the wave energy device to reduce the amplitude of the device motion response.

[0047] For the electronic control link of the present application, the control unit 17, the cable tension sensor 16, the position sensor 18, and the electronic cabin power supply 19 are all installed inside the electronic cabin 12; the electronic cabin device is sealed by the upper end cover 15, the electronic cabin partition 20, and the cable tension sensor 16, and seawater cannot enter the closed space inside the electronic cabin, which can provide a certain buoyancy for the buoyancy adjustment oil bag 7; the electronic cabin power supply 19 provides power for the control unit 17, and the position sensor 18 can record the position information of the buoyancy adjustment oil bag 7, and combined with the power generation efficiency data of the wave energy array device, it can provide data support for the subsequent optimization of the array mooring device.

[0048] The hydraulic compartment 13 is provided with a buoyancy oil bag 21, a shell 22, an oil pipe 23, a hydraulic system 24 and an oil storage tank 25. The oil storage tank 25 is located on the upper part of the shell 22, the oil pipe 23 is fixedly connected to the hydraulic system 24, the buoyancy oil bag 21 is installed outside the shell 22, and the oil outlet of the oil pipe 23 passes through the shell 22 and is connected to the buoyancy oil bag 21; the buoyancy regulating oil bag 7 adjusts the volume of the buoyancy oil bag 21 through the hydraulic system 24, and then adjusts the seawater buoyancy of the buoyancy regulating oil bag 7, so that the buoyancy regulating oil bag 7 can hover at any seawater depth, and then adjust the mooring stiffness and response amplitude of the mooring system.

[0049] The pressure chamber 14 includes a power chamber bulkhead 28, a lower end cover 26, a hydraulic battery 29, an anchor chain tension sensor 27 and the lower part of the hydraulic system 24; the power chamber is sealed by the lower end cover 26, the power chamber bulkhead 28 and the anchor chain tension sensor 27, and seawater cannot enter the closed space inside the power chamber, which can provide a certain buoyancy for the buoyancy regulating oil bag 7. Three hydraulic batteries 29 are connected to the hydraulic system 24 to provide electrical energy for the hydraulic system 24.

[0050] It is particularly noted that the combined shared mooring system of the present application can not only ensure the performance of the array device in capturing wave energy under working sea conditions, but also enable the array device to maintain a certain degree of follow-up within a certain range. It can be widely used in other types of ocean energy power generation devices, has good engineering practicality, and is suitable for popularization and use.

[0051] To sum up, a combined shared mooring system for an array of wave energy devices in an embodiment of the present invention is manufactured using materials resistant to seawater corrosion, is placed in deep sea areas, can work stably for a long time under various marine environmental conditions, has strong adaptability and adjustment capabilities, and effectively realizes the diversified application of wave energy devices from shallow seas to deep sea areas, and can cope with the dynamic changes of wave energy devices under different sea conditions. Compared with the existing ordinary single mooring system, the shared mooring positioning method can effectively save the use area of ​​the sea area, reduce the impact on the environment and landscape of the nearshore waters, and improve the energy capture efficiency of the wave energy device. It can increase the draft of the wave energy device under harsh working sea conditions to reduce the motion response amplitude of the device, thereby ensuring the safety and stability of the arrayed wave energy device in complex and harsh marine environments. At the same time, the overall system adopts a modular design, which is convenient for installation, updating and maintenance, and can be popularized and applied.

[0052] The above specific implementation manner cannot be used as a limitation on the protection scope of the present invention. For those skilled in the art, any substitution, improvement or change made to the implementation manner of the present invention falls within the protection scope of the present invention.

[0053] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A combined shared mooring system for an array of wave energy devices, characterized in that: The shared mooring system comprises a wave energy device basic module and a shared mooring module. The wave energy device basic module comprises a buoy, a main float, a power generation chamber cabin and a mooring chassis which are arranged in coordination with each other. A buoy is arranged above the power generation chamber cabin. The main float is fixedly connected to the power generation chamber cabin and has a closed space inside, which can provide buoyancy for the wave energy device. The buoy reciprocates under the action of waves, driving the wave energy device in the power generation chamber cabin to generate electricity. The mooring chassis is a regular hexagon, welded from a steel frame, and fixedly installed at the bottom of the power generation chamber cabin. The shared mooring module comprises a shared mooring cable, a bottom mooring cable, an anchor chain, an anchoring base, a buoyancy regulating oil bag, and a shared mooring counterweight block and a bottom mooring counterweight block arranged in the middle of the cable.

2. A combined shared mooring system for a wave energy device array according to claim 1, characterized in that: The number of the wave energy device basic modules is 7, forming a wave energy array, wherein one wave energy device basic module is located at the center, and the remaining six wave energy device basic modules are respectively located at the outer corner vertices of a regular hexagon; the mooring chassis of the wave energy device basic module located at the center and the mooring chassis of the remaining six wave energy device basic modules are connected to each other in pairs through a shared mooring cable, and the mooring chassis of the six wave energy device basic modules at the outer corners are connected in sequence through a shared mooring cable; the six wave energy device basic modules at the outer corners are respectively connected to the anchoring base through the bottom mooring cable.

3. A combined shared mooring system for a wave energy device array according to claim 1, characterized in that: The shared mooring cable and the bottom mooring cable are made of high molecular polyester cable; the shared mooring counterweight block and the bottom mooring counterweight block are used to maintain the dynamic balance of the wave energy array and provide static restoring force and mooring stiffness for the shared mooring module.

4. A combined shared mooring system for a wave energy device array according to claim 1, characterized in that: One end of the buoyancy regulating oil bag is connected to the bottom mooring cable, and the other end is connected to the mooring chassis of the basic module of the wave energy device; the buoyancy regulating oil bag is fixedly connected to the anchor chain, and the anchor chain is fixedly connected to the anchor base.

5. A combined shared mooring system for a wave energy device array according to claim 4, characterized in that: The buoyancy regulating oil bag comprises an electronic compartment, a hydraulic compartment and a power compartment. A control unit, a cable tension sensor, a position sensor, an electronic compartment power supply, an electronic compartment partition and an upper end cover are arranged in the electronic compartment; a buoyancy oil bag, a hydraulic system, a shell, an oil guide pipe and an oil storage tank are arranged in the hydraulic compartment; three hydraulic batteries, an anchor chain tension sensor, a power compartment partition and a lower end cover are arranged in the power compartment.

6. A combined shared mooring system for a wave energy device array according to claim 5, characterized in that: The cable tension sensor is located inside the upper end cover and is fixedly connected to the bottom mooring cable; the control unit is fixedly connected to the electronic compartment partition, and the position sensor is fixedly connected to the electronic compartment partition; the electronic compartment power supply is fixedly connected to the electronic compartment partition, and the electronic compartment partition is fixedly connected to the bottom of the upper end cover, and the upper end cover and the lower end cover are fixedly connected to the shell respectively; the oil storage tank is located on the upper part of the shell, and the oil guide pipe is fixedly connected to the hydraulic system; The buoyancy oil bag is wrapped and covered on the outside of the shell, the oil outlet of the oil guide pipe passes through the shell and is connected to the buoyancy oil bag, the power compartment bulkhead is fixedly connected to the lower end cover, the hydraulic battery is fixedly connected to the lower end cover, and the anchor chain tension sensor is located inside the lower end cover and is fixedly connected to the lower anchor chain; The buoyancy regulating oil bag monitors the mooring tension value of the shared mooring module in real time through the cable tension sensor and the anchor chain tension sensor. If an abnormal situation such as excessive tension occurs, the volume of the buoyancy oil bag is adjusted through the control unit of the electronic cabin to perform efficient, stable and adaptable tension adjustment.

7. A combined shared mooring system for a wave energy device array according to claim 5, characterized in that: In severe non-working sea conditions, the buoyancy regulating oil bag is in a contracted state, the buoyancy of the buoy becomes smaller and sinks to the seabed, lowering the position of the counterweight block, increasing the length of the anchor chain lying on the bottom, reducing the anchor chain tension, and increasing the mooring stiffness, thereby increasing the draft of the wave energy device to reduce the amplitude of the device's motion response.

8. A combined shared mooring system for a wave energy device array according to claim 5, characterized in that: The cable tension sensor and anchor chain tension sensor identify working and severe non-working sea conditions through changes in tension, and provide signals to the device in the buoyancy regulating oil bag to control the precise inflow and outflow of the regulating hydraulic oil.

9. A combined shared mooring system for a wave energy device array according to claim 5, characterized in that: The upper end cover and the lower end cover of the buoyancy regulating oil bag are streamlined; the cable tension sensor and the anchor chain tension sensor are respectively installed at the two ends of the buoyancy regulating oil bag.

Images