Photovoltaic power generation grid-connected access device

Abstract

The utility model belongs to the field of generating point grid-connected equipment, and particularly relates to a photovoltaic power generation grid-connected access device which comprises a shell, ventilation holes are fixedly connected to the two sides of the shell, a mounting ring is fixedly connected to the inner wall of the shell, a bolt is in threaded fit with the interior of the mounting ring and penetrates through the surface of a cover plate, and the cover plate is fixedly connected with the ventilation holes. A penetrating hole is formed in the front side of the cover plate, a plug is installed in the penetrating hole in a clamped mode, and a wire is fixedly connected to the outer side of the plug; the sliding column and the clamping block are lifted by pulling the top plate upwards, at the moment, the plug penetrates through the through hole to be fixedly connected with the socket, the top plate is loosened, the clamping block is extruded by the spring and then descends to be automatically clamped into the groove to fix the plug, and the stability of the device is improved; at the moment, the plug penetrates through the through hole to be fixedly connected with the socket, the top plate is loosened, the clamping block is extruded by the spring and then descends to be automatically clamped into the groove to fix the plug, and the stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of power generation point grid-connected equipment, in particular to a photovoltaic power generation grid-connected access device. Background Art

[0002] Technically, it refers to the physical connection between a generator set or power plant (field, station) or direct dispatch user and the power grid. From a management perspective, it refers to the establishment of a dispatch relationship between it and the power grid dispatching agency. Grid connection refers to the connection of the transmission line of the generator set with the transmission grid (starting to transmit power to the outside), the electrical connection of an independent power plant or a small power system with an adjacent power system (see the power system volume power system), and the act of exchanging power is called grid connection;

[0003] During the photovoltaic power generation process, it is necessary to connect to the grid so that the direct current generated by the solar panels is converted into alternating current that meets the requirements of the municipal power grid through a grid-connected inverter and then directly connected to the public power grid. Therefore, a photovoltaic power generation grid-connected access device is required.

[0004] The existing photovoltaic power generation grid-connected access device does not have an ideal fixing effect on the plug, which may reduce the stability of the device. The existing photovoltaic power generation grid-connected access device is not easy to achieve the effect of quickly disassembling the plug, which may reduce the work efficiency of the user.

[0005] Therefore, in order to solve the above problems, a photovoltaic power generation grid-connected access device is proposed. Utility Model Content

[0006] In order to remedy the problems in the prior art, the utility model proposes a photovoltaic power generation grid-connected access device.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a photovoltaic power generation grid-connected access device described in the utility model includes a shell, both sides of the shell are fixedly connected with ventilation holes, the inner wall of the shell is fixedly connected with a mounting ring, the internal thread of the mounting ring is matched with a bolt, the bolt is penetrated and arranged on the surface of the cover plate, the front side of the cover plate is provided with a through hole, the inside of the through hole is snap-fitted with a plug, the outside of the plug is fixedly connected with a wire, the front side of the cover plate is fixedly connected with a ring near the top, the inside of the ring is slidably connected with a sliding column, and the bottom end of the sliding column is fixedly connected with a block.

[0008] Preferably, a connecting rod is fixedly connected to the inner bottom surface of the shell, a socket is fixedly connected to the inner side of the connecting rod, and the number of the sockets is arranged in a one-to-one correspondence with the through holes.

[0009] Preferably, a groove is provided on the surface of the plug, and the shape of the inner wall of the groove matches the shape of the block.

[0010] Preferably, a top plate is fixedly connected to the top of the sliding column, and a spring is slidably sleeved on the surface of the sliding column close to the lower side of the collar.

[0011] Preferably, a support plate is slidably connected to the surface of the sliding column, and the top surface of the support plate is in contact with the bottom surface of the top plate.

[0012] Preferably, the card block is attached to the surface of the cover plate, and the inner side of the card block is slidably connected to the surface of the cover plate.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model pulls up the top plate to make the slide column and the card block rise. At this time, the plug is passed through the through hole and fixedly connected with the socket. After the top plate card block is released and pressed by the spring, it drops and automatically engages with the inside of the groove to fix the plug, thereby improving the stability of the device;

[0015] 2. The utility model pulls up the support plate so that the support plate drives all the top plates and sliding columns to rise, so that the card block is separated from the inside of the groove, which is convenient for quick removal of the plug and improves the work efficiency of the user. The ventilation holes fixedly connected on both sides of the shell improve the heat dissipation effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the shell structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the ventilation hole structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cover structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the support plate structure of the utility model.

[0021] In the figure: 1. shell; 2. ventilation hole; 3. mounting ring; 4. bolt; 5. cover plate; 6. through hole; 7. connecting rod; 8. socket; 9. wire; 10. plug; 11. ring; 12. slide column; 13. top plate; 14. block; 15. spring; 16. support plate; 17. groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 As shown, a photovoltaic power generation grid-connected access device comprises a shell 1, both sides of the shell 1 are fixedly connected with ventilation holes 2, the inner wall of the shell 1 is fixedly connected with a mounting ring 3, the internal thread of the mounting ring 3 is matched with a bolt 4, the bolt 4 is penetrated and arranged on the surface of a cover plate 5, the front side of the cover plate 5 is provided with a through hole 6, the inside of the through hole 6 is clamped and installed with a plug 10, the outside of the plug 10 is fixedly connected with a wire 9, the front side of the cover plate 5 is fixedly connected with a collar 11 near the upper part, the inside of the collar 11 is slidably connected with a sliding column 12, and the bottom end of the sliding column 12 is fixedly connected with a block 14;

[0024] Furthermore, a connecting rod 7 is fixedly connected to the inner bottom surface of the housing 1, and a socket 8 is fixedly connected to the inner side of the connecting rod 7, and the number of the sockets 8 is arranged in a one-to-one correspondence with the through holes 6;

[0025] During operation, the number of the sockets 8 and the through holes 6 are arranged in a one-to-one correspondence structure, so that the plug 10 can be easily installed in engagement.

[0026] Furthermore, a groove 17 is formed on the surface of the plug 10, and the shape of the inner wall of the groove 17 matches the shape of the block 14;

[0027] During operation, the shape of the inner wall of the groove 17 matches the shape of the clamping block 14 , so that the installed plug 10 can be easily fixed, thereby improving the stability of the device.

[0028] Furthermore, a top plate 13 is fixedly connected to the top of the sliding column 12, and a spring 15 is slidably sleeved on the surface of the sliding column 12 near the bottom of the collar 11;

[0029] During operation, the surface of the slide column 12 is close to the lower side of the collar 11 and the spring 15 is slidably sleeved thereon. The spring 15 supports the clamping block 14 and the inner side of the collar 11, so that the clamping block 14 is automatically clamped downward, thereby improving the stability of the device.

[0030] Furthermore, a support plate 16 is slidably connected to the surface of the sliding column 12, and the top surface of the support plate 16 is in contact with the bottom surface of the top plate 13;

[0031] During operation, the support plate 16 is slidably connected to the surface of the slide column 12 , and the top surface of the support plate 16 is in contact with the bottom surface of the top plate 13 . When the support plate 16 rises, the entire top plate 13 is driven to rise together, making it easy to disassemble the plug 10 .

[0032] Furthermore, the block 14 is attached to the surface of the cover plate 5, and the inner side of the block 14 is slidably connected to the surface of the cover plate 5;

[0033] During operation, the block 14 is attached to the surface of the cover plate 5 , and the inner side of the block 14 and the surface of the cover plate 5 are designed to be slidably connected to limit the movement of the block 14 and maintain the stability of the device during operation.

[0034] Working principle: Bolts 4 penetrate the cover plate 5 and are threadedly installed in the mounting ring 3 to fix the cover plate 5 to the front side of the housing 1, and the through hole 6 is aligned with the socket 8. At this time, pull up the top plate 13 to make the slide column 12 and the block 14 rise. At this time, pass the plug 10 through the through hole 6 and fix it with the socket 8. Release the top plate 13 and the block 14 is squeezed by the spring 15 and then drops and automatically engages with the inside of the groove 17 to fix the plug 10. Pull up the support plate 16 to make the support plate 16 drive all the top plates 13 and the slide column 12 to rise, so that the block 14 is separated from the inside of the groove 17, which is convenient for quick removal of the plug 10 and improves the work efficiency of the user. The ventilation holes 2 fixedly connected on both sides of the housing 1 improve the heat dissipation effect of the device.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A photovoltaic power generation grid-connected access device, comprising a housing (1), characterized in that: Both sides of the shell (1) are fixedly connected with ventilation holes (2); the inner wall of the shell (1) is fixedly connected with a mounting ring (3); the internal thread of the mounting ring (3) is matched with a bolt (4); the bolt (4) is penetrated and arranged on the surface of the cover plate (5); the front side of the cover plate (5) is provided with a through hole (6); the inside of the through hole (6) is snap-fitted with a plug (10); the outside of the plug (10) is fixedly connected with a wire (9); the front side of the cover plate (5) is fixedly connected with a sleeve ring (11) near the upper part; the inside of the sleeve ring (11) is slidably connected with a sliding column (12); the bottom end of the sliding column (12) is fixedly connected with a block (14).

2. A photovoltaic power generation grid-connected access device according to claim 1, characterized in that: The inner bottom surface of the outer shell (1) is fixedly connected to a connecting rod (7), the inner side of the connecting rod (7) is fixedly connected to a socket (8), and the number of the sockets (8) is arranged in a one-to-one correspondence with the through holes (6).

3. A photovoltaic power generation grid-connected access device according to claim 1, characterized in that: A groove (17) is provided on the surface of the plug (10), and the shape of the inner wall of the groove (17) matches the shape of the clamping block (14).

4. A photovoltaic power generation grid-connected access device according to claim 1, characterized in that: The top end of the sliding column (12) is fixedly connected to a top plate (13), and the surface of the sliding column (12) is slidably sleeved with a spring (15) near the bottom of the sleeve ring (11).

5. A photovoltaic power generation grid-connected access device according to claim 1, characterized in that: The surface of the sliding column (12) is slidably connected to a support plate (16), and the top surface of the support plate (16) is in contact with the bottom surface of the top plate (13).

6. A photovoltaic power generation grid-connected access device according to claim 1, characterized in that: The clamping block (14) is attached to the surface of the cover plate (5), and the inner side of the clamping block (14) is slidably connected to the surface of the cover plate (5).

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