Impressed current cathodic protection device for offshore photovoltaic power station

Abstract

The utility model provides an impressed current cathodic protection device for an offshore photovoltaic power station, which relates to the technical field of protection devices and comprises a fixed column, a support column is fixedly mounted at the top end of the fixed column, and a photovoltaic panel is fixedly mounted at the top end of the support column. According to the utility model, through the arrangement of the fixing column, the supporting column, the photovoltaic panel, the sliding groove, the first motor, the first bevel gear, the rotating plate, the second bevel gear, the first rotating rod, the limiting plate and the first belt pulley, when the device is used, the first motor and the first threaded rod are arranged; the position can be flexibly adjusted according to complex and changeable environments on the sea and corrosion conditions of different parts of the photovoltaic power station, and uneven cathode protection effects are avoided. Meanwhile, by arranging multiple structures of the first bevel gear and the take-up pipe, wire harnesses can be effectively arranged and protected, the situation that the wire harnesses are laid at will is avoided, line faults are caused by the influence of seawater erosion, sea wind abrasion and the like is prevented, and normal operation of cathode protection is effectively prevented from being affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to protection device technical field especially relates to offshore photovoltaic power station impressed current cathodic protection device. BACKGROUND

[0002] Offshore photovoltaic power station as the emerging clean energy project develops rapidly. However, seawater has high corrosiveness, can cause serious corrosion to the metal structure of photovoltaic power station, shorten the service life of equipment, increase the maintenance cost, and even affect the safe and stable operation of the power station. In order to solve this problem, impressed current cathodic protection technology emerges as the times require.

[0003] But as far as the traditional equipment is concerned, the traditional impressed current cathodic protection device structure is relatively simple, the auxiliary anode is usually fixedly installed at a specific position, it is difficult to flexibly adjust the position according to the complex and changeable environment of offshore and the corrosion condition of different components of photovoltaic power station, leading to uneven cathodic protection effect. At the same time, the traditional device also has defects in wiring, the wire harness is often randomly laid, lacks effective arrangement and protection measures, is easily affected by seawater corrosion, sea wind abrasion and the like, and then causes line fault, affects the normal operation of the cathodic protection device, and needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the technical problem proposed in the above background art.

[0005] The utility model adopts the following technical scheme: offshore photovoltaic power station impressed current cathodic protection device, including fixed column, the top of fixed column is fixedly installed with support column, the top of support column is fixedly installed with photovoltaic board, the inside of fixed column is equipped with the sliding slot of through, the inside of fixed column is equipped with motor one, the output of motor one is fixedly installed with bevel gear one, the bottom of bevel gear one is fixedly installed with rotating plate, the inside of sliding slot is equipped with bevel gear two, the other end of bevel gear two is fixedly installed with rotating rod one, the outer surface of rotating rod one is fixedly installed with limit plate, the other end of rotating rod one is fixedly installed with belt pulley one, the inside of fixed column is equipped with placing groove, the inside of placing groove is placed with power supply, one end of power supply is fixedly installed with connecting wire harness one, the other end of power supply is fixedly installed with connecting wire harness two, the inside of placing groove is fixedly installed with support frame, the inside of support frame is equipped with take-up tube, one end of take-up tube is fixedly installed with rotating rod two, the other end of rotating rod two is fixedly installed with belt pulley two, the outer surface of belt pulley one and belt pulley two is equipped with belt one, the bottom of rotating plate is fixedly installed with screw rod one, the outer surface of screw rod one is threadedly connected with moving block, the surface of moving block is equipped with recess, the inside of recess is equipped with clamping block, the surface of clamping block is clamped with auxiliary anode.

[0006] Preferably, the other end of the connecting wire bundle one is connected and fixed with the surface of the photovoltaic panel, the other end of the connecting wire bundle two is connected and fixed with the surface of the auxiliary anode, and the connecting wire bundle two is wound on the surface of the take-up tube. Here, the connecting wire bundle one connects the photovoltaic panel and the power supply, so that the electric energy generated by the photovoltaic panel can be transmitted to the power supply to power the device. The connecting wire bundle two connects the power supply and the auxiliary anode to provide current for the anode to achieve cathodic protection.

[0007] Preferably, the bottom end of the fixed column is provided with a screw hole, the number of the screw holes is four groups and is distributed at the four corners of the fixed column, the shape of the clamping block is inverted "L" letter, and the top end of the support frame is provided with a round corner. Here, the four corner-distributed screw holes at the bottom end of the fixed column facilitate the firm fixation of the device at the corresponding position of the offshore photovoltaic power station, enhancing the stability of the device.

[0008] Preferably, the surface of the bevel gear one is engaged with the surface of the bevel gear two, the tooth block of the bevel gear one is multiple times of the tooth block of the bevel gear two, and the connecting wire bundle two has excess wire bundles placed inside the placement groove. Here, the placement of excess connecting wire bundle two can adapt to the position adjustment of the auxiliary anode in a larger range, avoiding the limitation of the movement of the anode due to insufficient wire length, and ensuring the normal operation of the device under different working conditions.

[0009] Preferably, the number of the clamping blocks is four groups and is circumferentially distributed inside the groove and outside the moving block, and the surfaces of the multiple groups of clamping blocks are all in close contact with the surface of the auxiliary anode, and the other surface of the auxiliary anode is in close contact with the surface of the moving block. Here, the four groups of circumferentially distributed clamping blocks can clamp the auxiliary anode omnidirectionally and uniformly, enhancing the stability of clamping, so that the auxiliary anode can also maintain a fixed position in the harsh sea wave environment, ensuring the stability of the cathodic protection effect.

[0010] Preferably, the surface of the moving block is fixedly installed with a motor two, the output end of the motor two is fixedly installed with a bidirectional screw rod, the surface of the bidirectional screw rod is fixedly installed with a bevel gear three, the inside of the groove is sleeved with a threaded rod two, and one end of the threaded rod two is fixedly installed with a bevel gear four. Here, the motor two provides power for adjusting the position of the clamping block through the bidirectional screw rod and the bevel gear transmission.

[0011] Preferably, the number of the threaded rod two and the bevel gear four is two groups and they are symmetrically distributed inside the groove, and the threaded rod two and the bidirectional screw rod are rotationally connected with the clamping block through threads. Here, the symmetrically distributed threaded rod two and bevel gear four ensure that the power of the bidirectional screw rod can be uniformly transmitted to each clamping block, so that the clamping blocks move synchronously and stably, thereby achieving uniform and reliable clamping of the auxiliary anode.

[0012] Preferably, the surface of the bevel gear three is engaged with the surface of the bevel gear four, the bidirectional screw rod is synchronously rotated with the threaded rod two, and the groove is in the shape of a cross. Here, the engagement of the bevel gear three and the bevel gear four ensures that the power of the bidirectional screw rod is effectively transmitted to the threaded rod two, realizes the synchronous rotation of the bidirectional screw rod and the threaded rod two, and guarantees the consistency of the movement of the clamping block.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1. In the utility model, through setting up fixed column, support column, photovoltaic board, chute, motor one, bevel gear one, rotating plate, bevel gear two, rotating rod one, limit plate, belt pulley one structure, when the equipment is used, through setting up motor one, threaded rod one structure, can according to the complex and changeable environment of offshore and the corrosion condition of different parts of photovoltaic power station, adjust position flexibly, avoid uneven cathodic protection effect. At the same time, through setting up bevel gear one, wire collecting tube multiple structures, can effectively arrange and protect, avoid wiring harness random laying, prevent the influence of seawater erosion, sea wind abrasion etc. and cause line fault, effectively prevent the normal operation of cathodic protection device.

[0015] 2. In the utility model, through setting up motor two, bidirectional screw rod, bevel gear three, threaded rod two, bevel gear four structure, when the equipment is used, through setting up multiple structures to cooperate movement, can accurately control the clamping force between clamping block and auxiliary anode, can guarantee that the anode is fixed firm, and can be convenient to operate when needing to replace anode, improve the practicability and flexibility of device, can adapt to auxiliary anodes of different sizes simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of the cathodic protection device for offshore photovoltaic power station is provided for the utility model;

[0017] Figure 2 A side end structure schematic view of the cathodic protection device for offshore photovoltaic power station is provided for the utility model;

[0018] Figure 3 A cross-sectional structure schematic view of the cathodic protection device for offshore photovoltaic power station is provided for the utility model;

[0019] Figure 4 An explosion structure schematic view of the cathodic protection device for offshore photovoltaic power station is provided for the utility model;

[0020] Figure 5 A perspective view of the cathodic protection device for offshore photovoltaic power station is provided for the utility model; Figure 4 An enlarged view of A in the utility model;

[0021] An enlarged view of A in the utility model;Figure 6 The utility model provides offshore photovoltaic power station impressed current cathodic protection device Figure 4 The enlarged view of the middle B.

[0022] Legend:

[0023] 1, fixed column, 2, support column, 3, photovoltaic board, 4, sliding groove, 5, motor one, 6, bevel gear one, 7, rotating plate, 8, bevel gear two, 9, rotating rod one, 10, limit plate, 11, belt pulley one, 12, placing groove, 13, power, 14, connecting wire harness one, 15, connecting wire harness two, 16, support frame, 17, take-up tube, 18, rotating rod two, 19, belt pulley two, 20, belt one, 21, threaded rod one, 22, moving block, 23, recess, 24, clamping block, 25, auxiliary anode, 26, screw hole, 27, motor two, 28, bidirectional screw rod, 29, bevel gear three, 30, threaded rod two, 31, bevel gear four. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0025] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.

[0026] Example one

[0027] Please refer to Figures 1-6The utility model provides a technical scheme: offshore photovoltaic power station impressed current cathodic protection device, including fixed column 1, the top fixed mounting of fixed column 1 has support column 2, the top fixed mounting of support column 2 has photovoltaic board 3, and the inside of fixed column 1 is set up and is set up and has the sliding slot 4 of passing through, and the inside of fixed column 1 is equipped with motor one 5, and the output of motor one 5 is fixedly installed has bevel gear one 6, and the bottom of bevel gear one 6 is fixedly installed has rotary plate 7, and the inside of sliding slot 4 is equipped with bevel gear two 8, and the other end of bevel gear two 8 is fixedly installed has rotary rod one 9, and the outer surface of rotary rod one 9 is fixedly installed has limit stop 10, and the other end of rotary rod one 9 is fixedly installed has belt pulley one 11, and the inside of fixed column 1 is set up and has the placing groove 12 of setting up, and the inside of placing groove 12 is placed has power supply 13, and one end of power supply 13 is fixedly installed has connecting wire harness one 14, and the other end of power supply 13 is fixedly installed has connecting wire harness two 15, and the inside of placing groove 12 is fixedly installed has support frame 16, and the inside of support frame 16 is equipped with take -up tube 17, and one end of take -up tube 17 is fixedly installed has rotary rod two 18, and the other end of rotary rod two 18 is fixedly installed has belt pulley two 19, and the outer surface of belt pulley one 11 and belt pulley two 19 is equipped with belt one 20, and the bottom of rotary plate 7 is fixedly installed has screw rod one 21, and the outer surface of screw rod one 21 is threadedly connected has moving block 22, and the surface of moving block 22 is set up and has recess 23, and the inside of recess 23 is equipped with clamping block 24, and the surface of clamping block 24 is stuck and has auxiliary anode 25, when equipment uses, fixed column 1 is placed in offshore photovoltaic power station designated position, and the support column 2 of fixed column 1 top supports photovoltaic board 3, and photovoltaic board 3 is responsible for collecting solar energy. Start motor one 5, and the output of motor one 5 drives bevel gear one 6 to rotate, and bevel gear one 6 drives rotary plate 7 to rotate. At the same time, bevel gear one 6 and the bevel gear two 8 in sliding slot 4 are engaged, make bevel gear two 8 rotate, and then drive rotary rod one 9 to rotate, and the limit stop 10 of rotary rod one 9 outside plays the limiting effect, and the belt pulley one 11 of rotary rod one 9 other end drives the belt pulley two 19 of take -up tube 17 one end to rotate through belt, realizes take -up tube 17 rotation. The screw rod one 21 of rotary plate 7 bottom end rotates along with rotary plate 7, and the moving block 22 of screw rod one 21 threadedly connected will move up and down along screw rod one 21. The clamping block 24 in recess 23 of moving block 22 surface clamps auxiliary anode 25, when moving block 22 moves, the position of auxiliary anode 25 changes along with it. The power supply 13 in placing groove 12, one end is connected with photovoltaic board 3 through connecting wire harness one 14 and obtains electric energy, and the other end is connected with auxiliary anode 25 through connecting wire harness two 15, provides electric current for auxiliary anode 25, realizes cathodic protection, and connecting wire harness two 15 is wound on take -up tube 17, can adjust wire harness length according to auxiliary anode 25 position.

[0028] Please refer to Figures 1-6The other end of the connecting wire harness one 14 is connected and fixed with the surface of the photovoltaic panel 3, the other end of the connecting wire harness two 15 is connected and fixed with the surface of the auxiliary anode 25, the connecting wire harness two 15 is wound on the surface of the take-up tube 17, the bottom end of the fixed column 1 penetrates the screw hole 26, the number of the screw hole 26 is four groups and is distributed at the four corners of the fixed column 1, the shape of the clamping block 24 is inverted "L" letter type, the top end of the support frame 16 is provided with a round corner, the surface of the bevel gear one 6 is engaged with the surface of the bevel gear two 8, the gear block of the bevel gear one 6 is multiple times of the gear block of the bevel gear two 8, the connecting wire harness two 15 is placed with the excess wire harness in the inside of the placing groove 12, the number of the clamping block 24 is four groups and is circumferentially distributed in the inside of the groove 23 and the outside of the moving block 22, the surfaces of the multiple groups of the clamping block 24 are all combined with the surface of the auxiliary anode 25 and the other surface of the auxiliary anode 25 is combined with the surface of the moving block 22, the number of the screw rod two 30 and the bevel gear four 31 is both two groups and is symmetrically distributed in the inside of the groove 23, the screw rod two 30 and the bidirectional screw rod 28 are connected with the clamping block 24 through the screw thread rotation, the surface of the bevel gear three 29 is engaged with the surface of the bevel gear four 31, the bidirectional screw rod 28 is synchronously rotated with the screw rod two 30, the shape of the groove 23 is "cross" type, the "cross" type groove 23 provides the components such as the screw rod two 30, the bevel gear four 31 and the clamping block 24 with reasonable installation space and guiding effect, so that the whole structure is more compact and stable, which is beneficial to the long-term stable operation of the device in the marine environment.

[0029] Example two

[0030] Please refer to Figure 6 The surface of the moving block 22 is fixedly installed with the motor two 27, the output end of the motor two 27 is fixedly installed with the bidirectional screw rod 28, the surface of the bidirectional screw rod 28 is fixedly installed with the bevel gear three 29, the inside of the groove 23 is sleeved with the screw rod two 30, one end of the screw rod two 30 is fixedly installed with the bevel gear four 31, when the auxiliary anode 25 needs to be replaced or maintained, first, the motor two 27 is started, the output end of the motor two 27 drives the bidirectional screw rod 28 to rotate, the bevel gear three 29 fixed on the surface of the bidirectional screw rod 28 also rotates. The bevel gear three 29 is engaged with the bevel gear four 31 fixed at one end of the screw rod two 30 in the inside of the groove 23, drives the bevel gear four 31 to rotate, and then drives the screw rod two 30 to rotate. Since the bidirectional screw rod 28 and the screw rod two 30 are connected with the components in the groove 23 through the screw thread rotation, the rotation of the bidirectional screw rod 28 and the screw rod two 30 will make the clamping block 24 move, that is, the auxiliary anode 25 can be separated from the surface of the clamping block 24, then the auxiliary anode 25 can be replaced or maintained.

[0031] Working principle: in the device is used, will be fixed column 1 placed in the designated location of the sea photovoltaic power station, the support column 2 at the top of the fixed column 1 supports the photovoltaic panel 3, the photovoltaic panel 3 is responsible for collecting solar energy. Start motor 5, the output end of motor 5 drives bevel gear 6 to rotate, bevel gear 6 drives rotating plate 7 to rotate. At the same time, bevel gear 6 and bevel gear 8 in the chute 4 mesh, make bevel gear 8 rotate, in turn drive rotating rod 9 to rotate, the limiting plate 10 outside the rotating rod 9 plays a limiting role, the belt pulley 11 at the other end of the rotating rod 9 drives the belt pulley 19 at one end of the take-up tube 17 through the belt 20 to rotate, realize the take-up tube 17 rotation. The threaded rod 21 at the bottom end of the rotating plate 7 rotates with the rotating plate 7, the moving block 22 connected with the threaded rod 21 moves up and down along the threaded rod 21. The clamping block 24 in the groove 23 on the surface of the moving block 22 clamps the auxiliary anode 25, when the moving block 22 moves, the position of the auxiliary anode 25 changes accordingly. The power supply 13 placed in the groove 12, one end is connected with the photovoltaic panel 3 through the connecting wire bundle 14 to obtain electric energy, the other end is connected with the auxiliary anode 25 through the connecting wire bundle 15, provides current for the auxiliary anode 25, realizes the cathodic protection, and the connecting wire bundle 15 is wound on the take-up tube 17, the length of the wire bundle can be adjusted according to the position of the auxiliary anode 25, when the auxiliary anode 25 needs to be replaced or maintained, first start motor 27, the output end of motor 27 drives the bidirectional screw rod 28 to rotate, the bevel gear 29 fixed on the surface of the bidirectional screw rod 28 also rotates. The bevel gear 29 meshes with the bevel gear 31 fixed at one end of the threaded rod 30 in the groove 23, drives the bevel gear 31 to rotate, in turn makes the threaded rod 30 rotate. Because the bidirectional screw rod 28 and the threaded rod 30 are connected with the components in the groove 23 through screw rotation, the rotation of the bidirectional screw rod 28 and the threaded rod 30 will make the clamping block 24 move, that is, the auxiliary anode 25 can be separated from the surface of the clamping block 24, then the auxiliary anode 25 can be replaced or maintained.

[0032] The above is only a preferred embodiment of the present application, not other forms of the present application, any skilled in the art may use the above disclosed technical content to make changes or modifications into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. An impressed current cathodic protection device for offshore photovoltaic power plants, comprising a fixed column (1), characterized in that: The top end of the fixed column (1) is fixedly installed with a support column (2), the top end of the support column (2) is fixedly installed with a photovoltaic panel (3), the inside of the fixed column (1) is provided with a sliding groove (4), the inside of the fixed column (1) is sleeved with a motor one (5), the output end of the motor one (5) is fixedly installed with a bevel gear one (6), the bottom end of the bevel gear one (6) is fixedly installed with a rotating plate (7), the inside of the sliding groove (4) is sleeved with a bevel gear two (8), the other end of the bevel gear two (8) is fixedly installed with a rotating rod one (9), the outer surface of the rotating rod one (9) is fixedly installed with a limiting plate (10), the other end of the rotating rod one (9) is fixedly installed with a belt pulley one (11), the inside of the fixed column (1) is provided with a placing groove (12), the inside of the placing groove (12) places a power supply (13), one end of the power supply (13) is fixedly installed with a connecting wire harness one (14), the other end of the power supply (13) is fixedly installed with a connecting wire harness two (15), the inside of the placing groove (12) is fixedly installed with a support frame (16), the inside of the support frame (16) is sleeved with a take-up tube (17), one end of the take-up tube (17) is fixedly installed with a rotating rod two (18), the other end of the rotating rod two (18) is fixedly installed with a belt pulley two (19), the outer surfaces of the belt pulley one (11) and the belt pulley two (19) are sleeved with a belt one (20), the bottom end of the rotating plate (7) is fixedly installed with a threaded rod one (21), the outer surface of the threaded rod one (21) is threadedly connected with a moving block (22), the surface of the moving block (22) is provided with a groove (23), the inside of the groove (23) is sleeved with a clamping block (24), the surface of the clamping block (24) clamps an auxiliary anode (25).

2. Offshore photovoltaic power plant impressed current cathodic protection device according to claim 1, characterized in that: The other end of the connecting wire harness one (14) is connected and fixed with the surface of the photovoltaic panel (3), the other end of the connecting wire harness two (15) is connected and fixed with the surface of the auxiliary anode (25), the connecting wire harness two (15) is wound on the surface of the take-up tube (17).

3. The offshore photovoltaic power plant impressed current cathodic protection device according to claim 1, characterized in that: The bottom end of the fixed column (1) is provided with a threaded hole (26), the number of the threaded hole (26) is four groups and is distributed at the four corners of the fixed column (1), the shape of the clamping block (24) is inverted "L" type, the top end of the support frame (16) is provided with a round corner.

4. The offshore photovoltaic power plant impressed current cathodic protection device according to claim 1, characterized in that: The surface of the bevel gear one (6) is engaged with the surface of the bevel gear two (8), the gear block of the bevel gear one (6) is multiple times of the gear block of the bevel gear two (8), the connecting wire harness two (15) has excess wire harness inside the placing groove (12).

5. The offshore photovoltaic power plant impressed current cathodic protection device according to claim 1, characterized in that: The number of the clamping block (24) is four groups and is circumferentially distributed inside the groove (23) and outside the moving block (22), the surfaces of the multiple groups of the clamping block (24) are all matched with the surface of the auxiliary anode (25) and the other surface of the auxiliary anode (25) is matched with the surface of the moving block (22).

6. The offshore photovoltaic power plant impressed current cathodic protection device according to claim 1, characterized in that: The surface of the moving block (22) is fixedly installed with a motor two (27), the output end of the motor two (27) is fixedly installed with a bidirectional screw rod (28), the surface of the bidirectional screw rod (28) is fixedly installed with a bevel gear three (29), the inside of the groove (23) is sleeved with a threaded rod two (30), one end of the threaded rod two (30) is fixedly installed with a bevel gear four (31).

7. Offshore photovoltaic power plant impressed current cathodic protection device according to claim 6, characterized in that: The number of the threaded rod two (30) and the bevel gear four (31) is two groups and is symmetrically distributed in the inside of the groove (23), the threaded rod two (30) and the bidirectional screw rod (28) are rotatably connected with the clamping block (24) through threads.

8. The offshore photovoltaic power plant impressed current cathodic protection device according to claim 6, characterized in that: The surface of the bevel gear three (29) is engaged with the surface of the bevel gear four (31), the bidirectional screw rod (28) and the threaded rod two (30) are synchronously rotated, the shape of the groove (23) is a "cross" type.

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