Offshore floating type energy storage platform capable of adjusting temperature

Abstract

The offshore floating energy storage platform comprises a floating platform and a buoy mechanism, the buoy mechanism comprises a connecting part, a buoy body and a buoy base, the top end of the buoy body is fixedly connected with the bottom face of the floating platform through the connecting part, and the bottom of the buoy body is fixedly connected and communicated with the buoy base. An inverter is installed in the buoy body, a storage battery and a cooling mechanism are arranged in the buoy base, and the cooling mechanism is arranged outside the storage battery. Potential safety hazards caused by too high temperature of equipment such as an energy storage device and an inverter are avoided, the stability of the floating platform in the working process can be improved, and meanwhile the working temperature in the buoy base is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic power generation, and in particular to an offshore floating energy storage platform capable of regulating temperature. Background Art

[0002] Offshore photovoltaics is a technology that uses offshore space for photovoltaic power generation. It combines the advantages of marine resources and photovoltaic technology, reduces the occupation of land resources, and thus reduces the impact on the environment. In offshore photovoltaic projects, the placement of inverters and batteries is an important consideration. Usually, inverters and batteries need to be placed on a separate platform or in a booster station. At the same time, when inverters and batteries are stored, they must be kept in a dry and ventilated environment, avoid direct sunlight and high temperatures, and be waterproof and protected from external impact and damage.

[0003] In large-scale deep-sea photovoltaic power generation systems, a specially designed platform is required to place energy storage and inverter equipment, which increases construction costs and sea area. In addition, the temperature increase and loss of control during battery operation also poses a huge safety hazard.

[0004] Therefore, there is an urgent need for an offshore floating energy storage platform that can regulate temperature. Summary of the invention

[0005] The present invention provides a temperature-adjustable offshore floating energy storage platform, which solves the problems of energy storage and inverter space storage, long-distance power transmission losses and costs, and potential safety hazards caused by excessive temperatures of energy storage and inverter equipment.

[0006] The present invention provides an offshore floating energy storage platform capable of adjusting temperature, comprising a floating platform and a buoy mechanism, wherein the buoy mechanism comprises a connecting portion, a buoy body and a buoy base, wherein the top of the buoy body is fixedly connected to the bottom surface of the floating platform through the connecting portion, and the bottom of the buoy body is fixedly connected to and communicated with the buoy base, an inverter is installed in the buoy body, an internal battery and a cooling mechanism of the buoy base, the cooling mechanism is arranged outside the battery, and the temperature sensor is arranged inside the buoy base.

[0007] The temperature-adjustable offshore floating energy storage platform preferably comprises a cooling mechanism comprising a seawater inlet assembly, a cooling assembly, a seawater output assembly and a temperature sensor; the seawater inlet assembly, the cooling assembly and the seawater output assembly are connected in sequence; the cooling assembly is provided on the outside of the battery; the seawater output assembly is connected to the side wall of the buoy body so that seawater can enter the cooling assembly from the seawater inlet assembly, cool the battery and then be discharged from the seawater output assembly; and the temperature sensor is provided inside the buoy base.

[0008] The temperature-adjustable offshore floating energy storage platform preferably comprises a seawater inlet assembly comprising a seawater inlet pipe and a limit portion, one side of the buoy base is connected to the seawater inlet pipe, the seawater inlet pipe is connected to the cooling assembly, and the limit portion is provided on the seawater inlet pipe.

[0009] The temperature-adjustable offshore floating energy storage platform, preferably, the limiting portion includes a third connecting seat, a driving portion, a through hole, a sealing plug and a groove, the third connecting seat is provided with the driving portion, the seawater inlet pipe is provided with the through hole, the bottom of the seawater inlet pipe is provided with the groove, the through hole is connected to the groove, one end of the sealing plug is connected to the driving portion, the other end of the sealing plug is arranged in the groove, and the driving portion can drive the sealing plug to move up and down in the through hole to achieve the connection or disconnection between the seawater inlet pipe and the cooling assembly.

[0010] The temperature-adjustable offshore floating energy storage platform preferably comprises a driving unit comprising a motor, a first gear, a second gear, a connecting shaft, a lead screw and a slider, wherein the motor is arranged on the third connecting seat, the output shaft of the motor is fixedly connected to the first gear, the connecting shaft is rotatably connected in the third connecting seat, the second gear is fixedly connected to the top surface of the connecting shaft, the first gear is meshed with the second gear, the bottom of the connecting shaft penetrates into the third connecting seat and is fixedly connected to the lead screw, the top surface of the sealing plug is provided with a connecting hole, the slider is provided in the connecting hole, the slider is fixedly connected to the sealing plug, and the slider is connected to the lead screw by a thread.

[0011] The temperature-adjustable offshore floating energy storage platform preferably comprises a cooling assembly including a filter and a cooling pipe, a water inlet end of the cooling pipe is connected to the seawater inlet pipe through the filter, and the cooling pipe is wrapped around the outside of the battery, and a water outlet end of the cooling pipe is connected to the seawater output assembly.

[0012] The temperature-adjustable offshore floating energy storage platform, preferably, the seawater output assembly includes a first seawater outlet pipe, a water pump, a second seawater outlet pipe and a one-way valve, the first seawater outlet pipe is connected to the water outlet end of the cooling pipe, the first seawater outlet pipe is connected to the second seawater outlet pipe through the water pump, the water pump is fixedly connected to the inner wall of the buoy body, the second seawater outlet pipe is connected to the side wall of the buoy body, and the one-way valve is provided at the connection between the second seawater outlet pipe and the side wall of the buoy body, the first seawater outlet pipe is located above the battery, a plurality of cooling fins are provided on the outside of the first seawater outlet pipe, a spiral guide plate is provided in the second seawater outlet pipe, and the ratio of the bending radius of the spiral guide plate to the diameter of the second seawater outlet pipe is ≥0.5.

[0013] The temperature-adjustable offshore floating energy storage platform preferably has the connecting portion comprising a first connecting seat, a first connecting rod, a second connecting seat and a connecting pipe, the first connecting seat being fixedly connected to the bottom surface of the floating platform at equal intervals in the circumferential direction, the first connecting rod being fixedly connected to the bottom surface of the first connecting seat, the second connecting seat being fixedly connected to the end of the first connecting rod away from the first connecting seat, the second connecting seat being fixedly connected to and connected to the buoy body, and the second connecting seat being connected to the connecting pipe.

[0014] The temperature-adjustable offshore floating energy storage platform is preferably provided with an exhaust port on the top surface of the second connecting seat, and a fan is provided in the exhaust port.

[0015] In the temperature-adjustable offshore floating energy storage platform, preferably, the filter is a rolled reverse osmosis membrane.

[0016] The beneficial effects are: The present invention provides storage space for energy storage and inverters, utilizes ocean space, and improves energy utilization efficiency.

[0017] The present invention reduces the space occupied by offshore photovoltaic energy storage and inverters, and reduces the loss and cost of long-distance power transmission.

[0018] The floating platform of the present invention floats on the sea surface through a buoy mechanism, and the cooling mechanism is used to cool and dissipate the heat of components arranged in the buoy base to prevent the components from being damaged due to excessive temperature.

[0019] The present invention solves the potential safety hazard caused by over-high temperature of equipment such as energy storage and inverter, can improve the stability of the floating platform during operation, and reduce the operating temperature in the buoy base. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the offshore floating photovoltaic support of the present invention; Figure 2 It is a schematic diagram of the internal structure of the buoy body and the buoy base of the present invention; Figure 3 For the present invention Figure 2 A partial enlarged view of middle A; Figure 4 Schematic diagram of the structure of the spiral guide plate; In the figure: 1. Floating platform; 2. Floating buoy body; 3. Floating buoy base; 4. Connecting pipe; 5. First connecting seat; 6. First connecting rod; 7. Second connecting base; 8. Battery; 9. Inverter; 10. Temperature sensor; 11. Seawater inlet pipe; 12. Cooling pipe; 13. Third connecting seat; 14. Through hole; 15. Sealing plug; 16. groove; 17. motor; 18. first gear; 19. connecting shaft; 20. second gear; 21. Lead screw; 22. Connecting hole; 23. Sliding block; 24. Rolled reverse osmosis membrane; 25. First seawater outlet pipe; 26. Water pump; 27. Second seawater outlet pipe; 28. One-way valve; 29. Fan; 30. Cooling fins; 31. Spiral guide plate. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are 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 making creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "one end" and "the other end" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second" and "third" are used to define components, only for the convenience of distinguishing the above components, and unless otherwise stated, the above terms have no special meaning and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The present invention provides a temperature-adjustable offshore floating energy storage platform, including a floating platform and a buoy mechanism, wherein the buoy mechanism includes a connection portion, a buoy body and a buoy base, the top of the buoy body is fixedly connected to the bottom surface of the floating platform through the connection portion, the bottom of the buoy body is fixedly connected to and communicated with the buoy base, an inverter is installed in the buoy body, an internal battery and a cooling mechanism of the buoy base, and the cooling mechanism is arranged outside the battery. The present invention solves the potential safety hazards caused by excessive temperature of equipment such as energy storage and inverters, can improve the stability of the floating platform during operation, and reduce the working temperature in the buoy base at the same time.

[0025] The entire technical process is explained in detail below using an offshore floating energy storage platform that can adjust temperature as an example.

[0026] Reference Figure 1 , Figure 2 and Figure 3 As shown, a temperature-adjustable offshore floating energy storage platform includes a floating platform 1 and a buoy mechanism, wherein the buoy mechanism includes a connecting portion, a buoy body 2 and a buoy base 3, wherein the top of the buoy body 2 is fixedly connected to the center of the bottom surface of the floating platform 1 through the connecting portion, and the buoy body 2 is fixedly connected and communicated with the connecting portion, and the bottom of the buoy body 2 is fixedly connected and communicated with the buoy base 3, an inverter 9 is installed in the buoy body 2, an internal battery 8 and a cooling mechanism of the buoy base 3, and the cooling mechanism is arranged outside the battery 8.

[0027] Continue to refer to Figure 1 As shown, the buoy base 3 adopts a hemispherical structure, and the buoy base 3 is hollow. A battery 8 is installed in the buoy base 3 as a battery compartment of the battery 8. The center of gravity of the buoy body 2 is moved downward toward the center by utilizing the weight of the battery 8 and the hemispherical structure.

[0028] Each floating platform 1 is a power generation unit, and all inverters 9 are placed in the middle of the buoy body 2 and cooled by a cooling mechanism. This effectively solves the problem of where to place the inverter 9 and the battery 8, reduces the length of the cable, and uses seawater to cool the battery 8 and the inverter 9, thereby improving safety during use.

[0029] The floating platform 1 floats on the sea surface through the buoy mechanism, and the cooling mechanism is used to cool down and dissipate the heat of components arranged in the buoy base 3 to prevent the components from being damaged due to excessive temperature.

[0030] Continue to refer to Figure 1 As shown, the connecting part includes a first connecting seat 5, a first connecting rod 6, a second connecting seat 7 and a connecting pipe 4. The bottom surface of the first connecting seat 5 is fixedly connected to the first connecting rod 6, and the end of the first connecting rod 6 away from the first connecting seat 5 is fixedly connected to the second connecting seat 7. The second connecting seat 7 is fixedly connected to and connected with the buoy body 2, and the second connecting seat 7 is connected with the connecting pipe 4.

[0031] The number of the first connection seats 5 is preferably 3, and the angle between two adjacent first connection seats 5 is 120°, so as to improve the stability of the connection between the buoy body 2 and the floating platform 1, and reduce the impact of the ocean current near the sea level on the bracket, and the structure is more stable. The floating platform 1 is connected to the second connection seat 7 through the connecting pipe 4, which is convenient for operators to enter the buoy body 2 for operation.

[0032] Continue to refer to Figure 1 As shown, an exhaust port is provided on the top surface of the second connecting seat 7, and a fan 29 is provided in the exhaust port.

[0033] Continue to refer to Figure 2 As shown, the cooling mechanism includes a seawater inlet component, a cooling component, a seawater output component and a temperature sensor 10. The seawater inlet component, the cooling component and the seawater output component are connected in sequence. The cooling component is provided on the outside of the battery 8. The seawater output component is connected to the side wall of the buoy body 2 to enable seawater to enter the cooling component from the seawater inlet component, cool the battery 8 and then be discharged from the seawater output component. The temperature sensor 10 is also symmetrically provided in the buoy base 3.

[0034] Continue to refer to Figure 3 As shown, the seawater inlet assembly includes a seawater inlet pipe 11 and a limit portion. One side of the buoy base 3 is connected to the seawater inlet pipe 11, and the seawater inlet pipe 11 is connected to the cooling assembly. The limit portion is provided on the seawater inlet pipe 11.

[0035] Among them, the limiting portion includes a third connecting seat 13, a driving portion, a through hole 14, a sealing plug 15 and a groove 16. The driving portion is provided on the third connecting seat 13, the seawater inlet pipe 11 is provided with a through hole 14, and the bottom of the seawater inlet pipe 11 is provided with a groove 16. The through hole 14 is connected to the groove 16. One end of the sealing plug 15 is connected to the driving portion, and the other end of the sealing plug 15 is arranged in the groove 16. The driving portion can drive the sealing plug 15 to move up and down in the through hole 14 to realize the connection or disconnection between the seawater inlet pipe 11 and the cooling component.

[0036] Among them, the driving part includes a motor 17, a first gear 18, a second gear 20, a connecting shaft 19, a screw 21 and a slider 23. The motor 17 is arranged on the third connecting seat 13, and the output shaft of the motor 17 is fixedly connected to the first gear 18. The connecting shaft 19 is rotatably connected in the third connecting seat 13, and the second gear 20 is fixedly connected to the top surface of the connecting shaft 19. The first gear 18 is meshed with the second gear 20. The bottom of the connecting shaft 19 penetrates into the third connecting seat 13 and is fixedly connected to the screw 21. A connecting hole 22 is provided on the top surface of the sealing plug 15, and a slider 23 is provided in the connecting hole 22. The slider 23 is fixedly connected to the sealing plug 15, and the slider 23 is connected to the screw 21 through threads.

[0037] Continue to refer to Figure 2 As shown, the cooling assembly includes a filter 24 and a cooling pipe 12. The water inlet end of the cooling pipe 12 is connected to the seawater inlet pipe 11 through the filter 24, and the cooling pipe 12 is wrapped outside the battery 8. The water outlet end of the cooling pipe 12 is connected to the seawater output assembly. The filter 24 is a roll-type reverse osmosis membrane. The two ends of the roll-type reverse osmosis membrane are respectively connected to the seawater inlet pipe 11 and the cooling pipe 12. The seawater is filtered through the roll-type reverse osmosis membrane to filter out sodium ions and other impurities in the seawater, thereby preventing the seawater from corroding the cooling pipe 12, thereby increasing the practical life of the cooling pipe 12.

[0038] Continue to refer to Figure 2 As shown, the seawater output assembly includes a first seawater outlet pipe 25, a water pump 26, a second seawater outlet pipe 27 and a one-way valve 28. The first seawater outlet pipe 25 is connected to the water outlet end of the cooling pipe 12. The first seawater outlet pipe 25 is connected to the second seawater outlet pipe 27 through the water pump 26. The water pump 26 is fixedly connected to the inner wall of the buoy body 2. The second seawater outlet pipe 27 is connected to the side wall of the buoy body 2. In addition, a one-way valve 28 is provided at the connection point between the second seawater outlet pipe 27 and the side wall of the buoy body 2. The second seawater outlet pipe 27 is arranged on the opposite side of the inverter 9.

[0039] like Figure 4As shown, the first seawater outlet pipe 25 is located above the battery 8, a plurality of heat dissipation fins 30 are arranged outside the first seawater outlet pipe 25, and a spiral guide plate 31 is arranged inside the second seawater outlet pipe 27. The ratio of the bending radius of the spiral guide plate 31 to the diameter of the second seawater outlet pipe 27 is ≥0.5.

[0040] Working process: When the temperature sensor 10 detects that the temperature inside the buoy base 3 is too high, the motor 17 is started, and the output shaft of the motor 17 drives the first gear 18 to rotate, and the first gear 18 drives the second gear 20 meshing therewith to rotate, and the second gear 20 drives the first connecting shaft 19 to rotate, and the first connecting shaft 19 drives the lead screw 21 to rotate, and the lead screw 21 drives the sealing plug 15 to slide upward along the through hole 14, so that the seawater inlet pipe 11 is driven, so that the seawater enters the seawater inlet pipe 11 and further enters the filter. The filter filters the sodium ions and other impurities in the seawater. After absorbing the heat around the battery 8, the cooling pipe 12 discharges the seawater after absorbing the heat out of the buoy body 2 through the water pump 26.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A temperature-adjustable offshore floating energy storage platform, comprising a floating platform and a buoy mechanism, characterized in that: The buoy mechanism includes a connecting part, a buoy body and a buoy base. The top of the buoy body is fixedly connected to the bottom surface of the floating platform through the connecting part, and the bottom of the buoy body is fixedly connected to and communicated with the buoy base. An inverter is installed in the buoy body, and the buoy base has an internal battery and a cooling mechanism. The cooling mechanism is arranged outside the battery, and the temperature sensor is arranged inside the buoy base.

2. The temperature-adjustable offshore floating energy storage platform according to claim 1, characterized in that: The cooling mechanism includes a seawater inlet component, a cooling component, a seawater output component and a temperature sensor. The seawater inlet component, the cooling component and the seawater output component are connected in sequence. The cooling component is provided on the outside of the battery. The seawater output component is connected to the side wall of the buoy body so that seawater can enter the cooling component from the seawater inlet component and be discharged from the seawater output component after cooling the battery. The temperature sensor is provided inside the buoy base.

3. The temperature-adjustable offshore floating energy storage platform according to claim 2, characterized in that: The seawater inlet assembly comprises a seawater inlet pipe and a limiting portion. One side of the buoy base is connected to the seawater inlet pipe, the seawater inlet pipe is connected to the cooling assembly, and the limiting portion is provided on the seawater inlet pipe.

4. The temperature-adjustable offshore floating energy storage platform according to claim 3, characterized in that: The limiting portion includes a third connecting seat, a driving portion, a through hole, a sealing plug and a groove, the third connecting seat is provided with the driving portion, the seawater inlet pipe is provided with the through hole, the bottom of the seawater inlet pipe is provided with the groove, the through hole is connected with the groove, one end of the sealing plug is connected with the driving portion, and the other end of the sealing plug is arranged in the groove, and the driving portion can drive the sealing plug to move up and down in the through hole to realize the connection or disconnection between the seawater inlet pipe and the cooling assembly.

5. The temperature-adjustable offshore floating energy storage platform according to claim 4, characterized in that: The driving part includes a motor, a first gear, a second gear, a connecting shaft, a lead screw and a slider. The motor is arranged on the third connecting seat. The output shaft of the motor is fixedly connected to the first gear. The connecting shaft is rotatably connected in the third connecting seat. The second gear is fixedly connected to the top surface of the connecting shaft. The first gear is meshed with the second gear. The bottom of the connecting shaft penetrates into the third connecting seat and is fixedly connected to the lead screw. A connecting hole is provided on the top surface of the sealing plug. The slider is provided in the connecting hole. The slider is fixedly connected to the sealing plug. The slider is connected to the lead screw through a thread.

6. The temperature-adjustable offshore floating energy storage platform according to claim 5, characterized in that: The cooling assembly includes a filter and a cooling pipe, the water inlet end of the cooling pipe is connected to the seawater inlet pipe through the filter, and the cooling pipe is wrapped around the outside of the battery, and the water outlet end of the cooling pipe is connected to the seawater output assembly.

7. The temperature-adjustable offshore floating energy storage platform according to claim 6, characterized in that: The seawater output assembly includes a first seawater outlet pipe, a water pump, a second seawater outlet pipe and a one-way valve, the first seawater outlet pipe is connected to the water outlet end of the cooling pipe, the first seawater outlet pipe is connected to the second seawater outlet pipe through the water pump, the water pump is fixedly connected to the inner wall of the buoy body, the second seawater outlet pipe is connected to the side wall of the buoy body, and the one-way valve is provided at the connection point between the second seawater outlet pipe and the side wall of the buoy body, the first seawater outlet pipe is located above the battery, a plurality of cooling fins are provided on the outer side of the first seawater outlet pipe, a spiral guide plate is provided in the second seawater outlet pipe, and the ratio of the bending radius of the spiral guide plate to the diameter of the second seawater outlet pipe is ≥0.

5.

8. The temperature-adjustable offshore floating energy storage platform according to claim 1, characterized in that: The connecting part includes a first connecting seat, a first connecting rod, a second connecting seat and a connecting pipe. The first connecting seat is fixedly connected to the bottom surface of the floating platform at equal intervals in the circumferential direction. The first connecting rod is fixedly connected to the bottom surface of the first connecting seat. The end of the first connecting rod away from the first connecting seat is fixedly connected to the second connecting seat. The second connecting seat is fixedly connected to and connected with the buoy body. The second connecting seat is connected with the connecting pipe.

9. The temperature-adjustable offshore floating energy storage platform according to claim 8, characterized in that: An air outlet is arranged on the top surface of the second connecting seat, and a fan is arranged in the air outlet.

10. The temperature-adjustable offshore floating energy storage platform according to any one of claims 6 to 9, characterized in that: The filter is a spiral reverse osmosis membrane.

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