Offshore photovoltaic power station data access device

Abstract

The application discloses a kind of offshore photovoltaic power station data access device, it is related to photovoltaic cable installation technical field, including main control board and link plate, still including mounting bracket, the mounting bracket is fixedly installed in main control board front side, link plate front side is fixedly installed with link bracket, link plate inner wall is slidably installed with link rod, the mounting bracket bottom is fixedly installed with dispensing frame, the mounting bracket bottom is slidably penetrated with dispensing bracket, the dispensing bracket circumferential surface is equipped with dispensing groove, the dispensing frame inner wall top is fixedly installed with hollow block;T-shaped block, the shaking of rubber sheet one can effectively reduce the friction between rubber sheet one and optical cable, so that the optical cable of different diameters is more easily embedded in the clamping part of rubber sheet one, the shaking of rubber sheet one can effectively reduce the friction between rubber sheet one and optical cable, so that the optical cable of different diameters is more easily embedded in the clamping part of rubber sheet one.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic cable installation, in particular to a data access device for offshore photovoltaic power station. BACKGROUND

[0002] The data access device for offshore photovoltaic power station is usually composed of a main control board, a connection plate, a control component and a docking device, and the optical cable for offshore photovoltaic power station is usually a standard optical cable with uniform diameter.

[0003] The patent with patent number CN214850214U relates to a data access device for photovoltaic power station, which comprises a fixed component arranged on the bottom surface of a transformer substation; the fixed component is provided with a surrounding component; the surrounding component is composed of a fixed surrounding part and a movable surrounding part; the fixed surrounding part is fixedly connected to the left end of the fixed component; the movable surrounding part is slidingly connected to the right end of the fixed component; a wear-resistant ring is clamped in the middle of the fixed component; the inside of the wear-resistant ring is provided with an air bag; one side of the air bag is communicated with a gas-tight plug; the other end of the gas-tight plug is perforated and connected to the side wall of the wear-resistant ring; when the photovoltaic cable is perforated and connected in the fixed component, the wear-resistant ring clamped in the middle of the fixed component plays a certain protective role on the outer side wall of the photovoltaic cable, preventing the outer side wall of the photovoltaic cable from rubbing against the opening of the fixed component during connection and causing the risk of short circuit due to exposed copper wire.

[0004] In the above-mentioned patent, the wear-resistant ring clamped in the middle of the fixed component plays a certain protective role on the outer side wall of the photovoltaic cable when the photovoltaic cable is perforated and connected in the fixed component, preventing the outer side wall of the photovoltaic cable from rubbing against the opening of the fixed component during connection and causing the risk of short circuit due to exposed copper wire, but it is difficult to ensure the accuracy of the optical cable access position, and inaccurate access can damage the waterproof sealing structure between the mounting frame and the connection frame, causing salt mist to enter the inside of the mounting frame and the connection frame and causing electrical faults such as short circuit. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a data access device for offshore photovoltaic power station, which solves the problems raised in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a data access device for an offshore photovoltaic power station, comprising a main control board and a connecting board, and a mounting frame. The mounting frame is fixedly installed on the front side of the main control board, and a connecting frame is fixedly installed on the front side of the connecting board. A connecting rod is slidably installed on the inner wall of the connecting board. An adjustment frame is fixedly installed at the bottom of the mounting frame, and an adjustment rack slides through the bottom of the mounting frame. An adjustment groove is formed on the circumferential surface of the adjustment rack, and a hollow block is fixedly installed at the top of the inner wall of the adjustment frame. A T-shaped block is slidably installed on the inner wall of the hollow block, and the T-shaped block is used for adjusting the adjustment rack. Line limit; Groove ring, the groove ring is fixedly installed on the inner wall of the hollow block, the groove ring is used to cooperate with the adjustment rack to generate vibration; Rubber sheet one, the rubber sheet one is fixedly installed on the top of the adjustment rack, the rubber sheet one moves upward to install optical cables of different diameters, the rubber sheet one is used to increase the friction of the mounting rack; Rubber sheet two, the rubber sheet two is fixedly installed on the inner wall of the connecting frame, the rubber sheet two is used to increase the friction of the connecting frame, the vibration of rubber sheet one can effectively reduce the friction between rubber sheet one and optical cable, making it easier for optical cables of different diameters to be embedded in the clamping part of rubber sheet one.

[0007] According to the above technical solution, a spring is provided between the connecting rod and the connecting plate. When the connecting rod moves upward, it compresses the spring. The spring deforms and stores force under the compression of the connecting rod. After the limit of the connecting plate is released, the connecting rod can be reset by the spring. A second spring is provided between the dispensing rack and the dispensing frame. The second spring can support the dispensing rack. The front side of the T-shaped block is set as an inclined surface.

[0008] According to the above technical solution, the dispensing rack extends through the top of the dispensing frame, the first rubber sheet contacts the inner wall of the mounting frame, and the first rubber sheet can improve the stability of the optical cable installation. The T-shaped block contacts the inner wall of the dispensing trough.

[0009] According to the above technical solution, a spring is provided between the hollow block and the T-shaped block. When the T-shaped block moves backward, it compresses the spring. The spring deforms and stores force under the compression of the T-shaped block. After the T-shaped block is aligned with the other adjustment slots, the spring can drive the T-shaped block to reset. The connecting rod contacts the inner wall of the main control board, and the T-shaped block abuts against the adjustment slot.

[0010] According to the above technical solution, a stop component for facilitating optical cable access is provided on the left side of the main control board, and a lifting component is provided on the rear side of the main control board. The stop component includes a U-shaped rod, a stop plate, a stop groove, and a placement groove. The U-shaped rod is fixedly installed on the left side of the main control board, and the stop plate is slidably installed on the circumferential surface of the U-shaped rod. The stop groove is opened on the top of the stop plate, and the placement groove is opened on the left side of the main control board. The stop plate moves to the right to reset and contacts the inner wall of the connecting groove, thus limiting the connection plate.

[0011] According to the technical scheme, the stop component further comprises a connecting groove, an elastic expansion plate and a stop spring, the connecting groove is arranged on the left side of the connecting plate, the elastic expansion plate is fixedly installed on the front side of the connecting plate, and the stop spring is arranged between the stop plate and the placing groove.

[0012] According to the technical scheme, the lifting assembly comprises a lifting rod, a lifting groove, a hollow rod, a sleeve rod, a lifting plate and a friction groove, the lifting plate is moved upward to contact and lift the optical cable, and the optical cable is lifted by the lifting plate to ensure the stable access of the optical cable, the lifting rod is slidingly installed on the front and rear walls of the main control plate, the lifting groove is arranged on the rear side of the main control plate, the hollow rod is fixedly installed on the inner wall bottom of the lifting groove, the sleeve rod is slidingly installed on the inner wall of the hollow rod, the lifting plate is fixedly installed on the top of the sleeve rod, and the friction groove is arranged on the top of the lifting plate.

[0013] According to the technical scheme, the top of the lifting plate is arranged as a curved surface, the lifting plate is in contact with the lifting rod, and the spring four is arranged between the hollow rod and the sleeve rod, the sleeve rod is moved upward to pull the spring four, the spring four is deformed and stored under the pulling of the sleeve rod, and the sleeve rod is reset through the spring four after the lifting rod is separated from the contact with the stop plate.

[0014] The application provides a marine photovoltaic power station data access device.

[0015] (1) The marine photovoltaic power station data access device drives the rubber sheet one to move upward through the upward movement of the adjusting frame, the rubber sheet one is installed on the optical cable with different diameters, the elastic property of the rubber sheet one enables the rubber sheet one to closely fit the optical cable and reduces the damage of the optical cable caused by the installation pressure, the self-adaptive clamping of the adjusting frame eliminates the need to replace the special clamp for different specifications of the optical cable, improves the universality of the device, ensures that different types of optical cables can be successfully installed, the shaking of the adjusting frame drives the rubber sheet one to resonate together, the shaking of the rubber sheet one can effectively reduce the friction between the rubber sheet one and the optical cable during the installation process, so that the optical cable with different diameters is more easily embedded in the clamping part of the rubber sheet one, thereby improving the efficiency and accuracy of the optical cable installation, and preventing salt mist from invading to cause electrical failure.

[0016] (2) The offshore photovoltaic power station data access device, through the right side movement of the stop plate reset and the contact with the inner wall of the connecting groove and limiting the adapter plate, in turn ensures that the mounting frame and the adapter frame are closely fitted, and through the close fitting, the assembly gap between the mounting frame and the adapter frame is eliminated, which can greatly improve the ability of the mounting frame and the adapter frame to resist wave impact and typhoon vibration, thereby reducing the risk of loose optical cable joint.

[0017] (3) The offshore photovoltaic power station data access device, through the limiting of the free end of the elastic expansion plate to the stop plate, in turn ensures that the stop plate cannot move to the left side when installing the optical cable, and the limiting structure of the stop plate facilitates the quick and accurate installation of the optical cable, shortens the debugging time, and reduces the troubleshooting cost caused by inaccurate alignment.

[0018] (4) The offshore photovoltaic power station data access device, under the high-salt fog environment of the sea, the bolt and the connected part are prone to electrochemical corrosion due to material differences, causing the bolt to rust, and the stop plate is made of corrosion-resistant material, which can avoid the problem of rusting and keep the structure stable for a long time without frequent maintenance.

[0019] (5) The offshore photovoltaic power station data access device, through the upward movement of the lifting plate and the contact with the optical cable and the lifting of the optical cable, the access of the optical cable is stable, and the lifting plate can control the optical cable to maintain a reasonable curvature and tension during the lifting process, effectively reducing the micro-bending loss and ensuring the integrity and stability of data transmission. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the half-section structure of the adapter plate of the present application;

[0022] Figure 3 It is a schematic diagram of the half-section structure of the adapter plate of the present application;

[0023] Figure 4 It is a schematic diagram of the position structure of the adapter plate and the adapter frame of the present application;

[0024] Figure 5 It is a schematic diagram of the position structure of the adapter plate and the adapter frame of the present application; Figure 4

[0025] Figure 6 It is a schematic diagram of the position structure of the adapter plate and the adapter frame of the present application;

[0026] Figure 7 It is a schematic diagram of the position structure of the adapter plate and the adapter frame of the present application;

[0027] ​In the figure: 1, main control board; 2, mounting frame; 3, adapter plate; 4, adapter frame; 5, adapter rod; 6, dispensing frame; 7, dispensing frame; 8, dispensing slot; 9, hollow block; 10, T-shaped block; 11, groove ring; 12, rubber sheet one; 13, rubber sheet two; 141, U-shaped rod; 142, stop plate; 143, stop groove; 144, placing groove; 145, connecting groove; 146, elastic expansion plate; 147, stop spring; 151, lifting rod; 152, lifting groove; 153, hollow rod; 154, sleeve rod; 155, lifting plate; 156, friction groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] Please refer to Figures 1-6 An embodiment of the present application is: a marine photovoltaic power station data access device, comprising a main control board 1 and an adapter plate 3, further comprising a mounting frame 2, the mounting frame 2 is fixedly installed on the front side of the main control board 1, the adapter plate 3 is fixedly installed on the front side of the adapter frame 4, the adapter plate 3 is slidably installed on the inner wall of the adapter plate 3, the mounting frame 2 is fixedly installed on the bottom of the dispensing frame 6, the mounting frame 2 is slidably penetrated by the dispensing frame 7, the dispensing frame 7 is provided with a dispensing slot 8 on the circumferential surface, and the hollow block 9 is fixedly installed on the inner wall of the dispensing frame 6; T-shaped block 10, the T-shaped block 10 is slidably installed on the inner wall of the hollow block 9, and the T-shaped block 10 is used for limiting the dispensing frame 7; groove ring 11, the groove ring 11 is fixedly installed on the inner wall of the hollow block 9, and the groove ring 11 is used for cooperating with the dispensing frame 7 to produce shaking; rubber sheet one 12, the rubber sheet one 12 is fixedly installed on the top of the dispensing frame 7, and the self-adaptive clamping of the dispensing frame 7 does not need to replace special clamps for different specifications of optical cables, which improves the universality of the device, ensures that different types of optical cables can be smoothly installed, and the rubber sheet one 12 is used to improve the friction of the mounting frame 2; rubber sheet two 13, the rubber sheet two 13 is fixedly installed on the inner wall of the adapter frame 4, and the rubber sheet two 13 is used to improve the friction of the adapter frame 4, the shaking of the rubber sheet one 12 can effectively reduce the friction between the rubber sheet one 12 and the optical cable, so that the optical cable of different diameters is more easily embedded in the clamping part of the rubber sheet one 12, thereby improving the efficiency and accuracy of the optical cable installation, and preventing salt mist from invading to cause electrical failure.

[0030] The spring one is arranged between the connecting rod 5 and the connecting plate 3, the connecting rod 5 is moved upward to extrude the spring one, the spring one is deformed and stored under the extrusion of the connecting rod 5, and the spring one can drive the connecting rod 5 to reset after the limiting of the connecting plate 3 is released, the spring two is arranged between the dispensing frame 7 and the dispensing frame 6, the dispensing frame 7 is supported through the spring two, and the front side of the T-shaped block 10 is provided as an inclined surface.

[0031] The dispensing frame 7 penetrates the top of the dispensing frame 6, the rubber sheet one 12 is in contact with the inner wall of the mounting frame 2, the stability of the optical cable installation can be improved through the rubber sheet one 12, and the T-shaped block 10 is in contact with the inner wall of the dispensing groove 8.

[0032] The spring three is arranged between the hollow block 9 and the T-shaped block 10, the T-shaped block 10 is moved to the rear side to extrude the spring three, the spring three is deformed and stored under the extrusion of the T-shaped block 10, and the T-shaped block 10 can be driven to reset through the spring three after the T-shaped block 10 is aligned with the remaining dispensing grooves 8, the connecting rod 5 is in contact with the inner wall of the main control plate 1, and the T-shaped block 10 is in contact with the dispensing groove 8.

[0033] When the embodiment works: the optical cable is connected between the mounting frame 2 and the connecting frame 4, after the optical cable is in contact with the mounting frame 2, the main control plate 1 is manually pushed to move upward, the main control plate 1 drives the mounting frame 2 to move upward, the mounting frame 2 pushes the optical cable to contact the connecting frame 4, the main control plate 1 moves upward to contact and extrude the connecting rod 5, the connecting rod 5 is moved upward under the extrusion of the main control plate 1, after the mounting frame 2 and the connecting frame 4 are closely combined, the dispensing frame 7 is manually pushed to move upward, the dispensing frame 7 is in contact with the inclined surface on the front side of the T-shaped block 10 and applies extrusion force to the T-shaped block 10, the T-shaped block 10 is moved to the rear side under the extrusion of the dispensing frame 7, the dispensing frame 7 moves upward to drive the rubber sheet one 12 to move upward, the rubber sheet one 12 is installed on the optical cable with different diameters, and the dispensing frame 7 moves upward to align the T-shaped block 10 with the remaining dispensing grooves 8, after the T-shaped block 10 is aligned with the remaining dispensing grooves 8, the T-shaped block 10 is moved to the front side under the elastic force of the spring three, the T-shaped block 10 is in contact with the inner wall of the dispensing groove 8 and restores the limiting of the dispensing frame 7, and meanwhile the T-shaped block 10 is moved to the rear side and is in contact with the groove ring 11, so that the groove ring 11 is knocked to vibrate, the vibration of the groove ring 11 is transmitted to the T-shaped block 10 and the dispensing frame 7 to make them vibrate, and the vibration of the dispensing frame 7 drives the rubber sheet one 12 to resonate.

[0034] Please refer to Figures 1-7On the basis of the above-mentioned embodiment, in another embodiment of the present application, the left side of the main control board 1 is provided with a stop assembly for facilitating the access of the optical cable, and the rear side of the main control board 1 is provided with a lifting assembly. The stop assembly comprises a U-shaped rod 141, a stop plate 142, a stop groove 143 and a placing groove 144. The stop plate 142 is made of aluminum alloy, and is made of corrosion-resistant material, which can avoid corrosion and rusting problems, thereby maintaining the structural stability for a long time, without frequent maintenance. The U-shaped rod 141 is fixedly installed on the left side of the main control board 1, and the stop plate 142 is slidingly installed on the circumferential surface of the U-shaped rod 141. The stop groove 143 is opened at the top of the stop plate 142, and the placing groove 144 is opened at the left side of the main control board 1. By closely fitting, the assembly gap between the mounting frame 2 and the connecting frame 4 can be eliminated, which can greatly improve the ability of the mounting frame 2 and the connecting frame 4 to resist wave impact and typhoon shaking, thereby reducing the risk of loosening of the optical cable joint.

[0035] The stop assembly further comprises a connecting groove 145, an elastic expansion plate 146 and a stop spring 147. The connecting groove 145 is opened at the left side of the connecting plate 3, the elastic expansion plate 146 is fixedly installed at the front side of the connecting plate 3, and the stop spring 147 is arranged between the stop plate 142 and the placing groove 144. When the stop plate 142 moves to the left side, the stop spring 147 is subjected to the pulling force of the stop plate 142, is deformed and stores energy. After the stop plate 142 is aligned with the connecting groove 145, the stop spring 147 can drive the stop plate 142 to reset. The stop plate 142 is limited by the free end of the elastic expansion plate 146, so that the stop plate 142 cannot move to the left side when the optical cable is installed, the limiting structure of the stop plate 142 facilitates the quick and accurate installation of the optical cable, shortens the debugging time and reduces the troubleshooting cost caused by inaccurate alignment.

[0036] The lifting assembly comprises a lifting rod 151, a lifting groove 152, a hollow rod 153, a sleeve rod 154, a lifting plate 155 and a friction groove 156. The lifting rod 151 is slidingly installed on the front and rear walls of the main control board 1, the lifting groove 152 is opened at the rear side of the main control board 1, the hollow rod 153 is fixedly installed on the inner wall bottom of the lifting groove 152, the sleeve rod 154 is slidingly installed on the inner wall of the hollow rod 153, the lifting plate 155 is fixedly installed on the top of the sleeve rod 154, and the friction groove 156 is opened at the top of the lifting plate 155. During the lifting process, the lifting plate 155 can control the optical cable to maintain a reasonable curvature and tension, effectively reduce the micro-bending loss, and ensure the integrity and stability of data transmission.

[0037] The top of the lifting plate 155 is provided as a curved surface, the lifting plate 155 abuts against the lifting rod 151, and a spring four is arranged between the hollow rod 153 and the sleeve rod 154. When the sleeve rod 154 moves upward, the spring four is pulled, is deformed and stores energy. After the lifting rod 151 is separated from the contact with the stop plate 142, the spring four can drive the sleeve rod 154 to reset.

[0038] When the embodiment works: the main control board 1 moves upwards to drive the U-shaped rod 141 to move upwards, the U-shaped rod 141 moves upwards to drive the stop plate 142 to move upwards, the stop plate 142 moves upwards to align the right side of the stop plate 142 with the connecting groove 145, after the stop plate 142 aligns with the connecting groove 145, the stop plate 142 moves rightwards to reset under the elastic force of the stop spring 147, the stop plate 142 moves rightwards to reset and contacts with the inner wall of the connecting groove 145 to limit the abutment plate 3, which ensures that the mounting frame 2 is tightly attached to the abutment frame 4, and meanwhile, the stop plate 142 moves rightwards to reset so that the free end of the elastic telescopic plate 146 aligns with the stop groove 143, after the free end of the elastic telescopic plate 146 aligns with the stop groove 143, the free end of the elastic telescopic plate 146 moves rearwards to reset under its own elastic force, the free end of the elastic telescopic plate 146 moves rearwards to reset and contacts with the inner wall of the stop groove 143 to limit the stop plate 142, which ensures that the stop plate 142 cannot move leftwards when the optical cable is installed, if the position of the optical cable needs to be adjusted, the free end of the elastic telescopic plate 146 is manually pulled to move forwards, the free end of the elastic telescopic plate 146 moves forwards to disengage from the stop groove 143 and releases the limitation on the stop plate 142, after the limitation of the stop plate 142 is released, the stop plate 142 is manually pulled to move leftwards, the stop plate 142 moves leftwards to disengage from the connecting groove 145 and releases the limitation on the abutment plate 3, after the limitation of the abutment plate 3 is released, the abutment rod 5 moves downwards to reset under the elastic force of the spring one, the abutment rod 5 moves downwards to reset to separate the main control board 1 from the abutment plate 3, thereby facilitating the adjustment of the position of the optical cable.

[0039] The stop plate 142 moves rightwards to contact and press the lifting rod 151, the lifting rod 151 moves rightwards to contact and press the lifting plate 155, the lifting plate 155 moves upwards to press the sleeve rod 154, the lifting plate 155 moves upwards to contact and lift the optical cable, which ensures the stable access of the optical cable, when the stop plate 142 moves leftwards to reset, the stop plate 142 moves leftwards to reset to disengage from the lifting rod 151, after the lifting rod 151 disengages from the stop plate 142, the sleeve rod 154 moves downwards to reset under the elastic force of the spring four, the sleeve rod 154 moves downwards to reset to drive the lifting plate 155 to move downwards to reset, the lifting plate 155 moves downwards to reset to disengage from the optical cable and facilitate the secondary adjustment of the optical cable.

[0040] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A data access device for an offshore photovoltaic power station, comprising a main control board (1) and a connection board (3), characterized in that: It also includes a mounting bracket (2), which is fixedly installed on the front side of the main control board (1). A connecting bracket (4) is fixedly installed on the front side of the connecting plate (3). A connecting rod (5) is slidably installed on the inner wall of the connecting plate (3). A dispensing frame (6) is fixedly installed at the bottom of the mounting bracket (2). A dispensing rack (7) is slidably passed through the bottom of the mounting bracket (2). A dispensing groove (8) is opened on the circumferential surface of the dispensing rack (7). A hollow block (9) is fixedly installed on the top of the inner wall of the dispensing frame (6). T-shaped block (10), which is slidably installed on the inner wall of hollow block (9), is used to limit the position of dispensing rack (7); The grooved ring (11) is fixedly installed on the inner wall of the hollow block (9). The T-shaped block (10) moves to the rear side and contacts the grooved ring (11). The grooved ring (11) is used to cooperate with the dispensing rack (7) to generate vibration. Rubber sheet one (12) is fixedly installed on the top of the dispensing rack (7) and is used to increase the friction of the mounting rack (2); Rubber sheet two (13) is fixedly installed on the inner wall of the connecting frame (4) and is used to increase the friction of the connecting frame (4); The dispensing rack (7) extends through the top of the dispensing frame (6), the rubber sheet (12) contacts the inner wall of the mounting frame (2), and the T-shaped block (10) contacts the inner wall of the dispensing trough (8). The main control board (1) is provided with a stop component on the left side for facilitating optical cable access, and a lifting component is provided on the rear side of the main control board (1).

2. The data access device for an offshore photovoltaic power station according to claim 1, characterized in that: A spring is provided between the connecting rod (5) and the connecting plate (3), a spring is provided between the dispensing rack (7) and the dispensing frame (6), and the front side of the T-shaped block (10) is set as an inclined surface.

3. The data access device for an offshore photovoltaic power station according to claim 2, characterized in that: A spring is provided between the hollow block (9) and the T-shaped block (10), the connecting rod (5) contacts the inner wall of the main control board (1), and the T-shaped block (10) abuts against the adjustment groove (8).

4. The data access device for an offshore photovoltaic power station according to claim 3, characterized in that: The stop assembly includes a U-shaped rod (141), a stop plate (142), a stop groove (143), and a placement groove (144). The U-shaped rod (141) is fixedly installed on the left side of the main control board (1). The stop plate (142) is slidably installed on the circumferential surface of the U-shaped rod (141). The stop groove (143) is opened on the top of the stop plate (142), and the placement groove (144) is opened on the left side of the main control board (1).

5. A data access device for an offshore photovoltaic power station according to claim 4, characterized in that: The stop assembly also includes a connecting groove (145), an elastic telescopic plate (146), and a stop spring (147). The connecting groove (145) is opened on the left side of the connecting plate (3). The elastic telescopic plate (146) is fixedly installed on the front side of the connecting plate (3). The stop spring (147) is disposed between the stop plate (142) and the placement groove (144).

6. A data access device for an offshore photovoltaic power station according to claim 5, characterized in that: The lifting assembly includes a lifting rod (151), a lifting groove (152), a hollow rod (153), a sleeve rod (154), a lifting plate (155), and a friction groove (156). The lifting rod (151) is slidably mounted on the front and rear walls of the main control board (1). The lifting groove (152) is opened on the rear side of the main control board (1). The hollow rod (153) is fixedly mounted on the bottom of the inner wall of the lifting groove (152). The sleeve rod (154) is slidably mounted on the inner wall of the hollow rod (153). The lifting plate (155) is fixedly mounted on the top of the sleeve rod (154). The friction groove (156) is opened on the top of the lifting plate (155).

7. A data access device for an offshore photovoltaic power station according to claim 6, characterized in that: The top of the lifting plate (155) is set as an arc surface, the lifting plate (155) abuts against the lifting rod (151), and a spring is provided between the hollow rod (153) and the sleeve rod (154).

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