Power frequency power distribution device integration device

Abstract

The utility model discloses a power frequency power distribution device integration device, which belongs to the technical field of power frequency power distribution devices, is used for integrating main components in a power frequency power distribution loop, and comprises a plurality of integration sleeve shells; the integrated sleeve shell comprises a first shell and a second shell, a plurality of limiting insertion columns are arranged on the first shell, and a plurality of limiting holes matched with the limiting insertion columns are formed in the second shell; a plurality of first fixing plates and second fixing plates are arranged on the first shell and the second shell respectively; according to the scheme, part of the components in the power frequency power distribution starting loop are integrated and placed in the integration sleeve shell, and the mode is different from the mode that the power frequency power distribution components are arranged in an open mode at present, so that the occupied area is reduced, the condition that equipment lines are complex is avoided, and the maintenance and overhaul difficulty of workers can be remarkably reduced; and the power distribution components integrated and sealed in the integration sleeve shell are not influenced by external atmospheric conditions, so that the operation reliability of the equipment can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power frequency distribution devices, and more specifically, to an integration device for power frequency distribution devices. Background Art

[0002] In recent years, the application of flexible transmission technology in grid interconnection, medium- and long-distance offshore wind power transmission, and island power supply has attracted widespread attention in industry and academia. Voltage source converters (VSCs) are commonly used in current flexible transmission systems. VSCs enhance the grid's controllability, offering dynamic voltage support and rapid and flexible power flow control. VSC valves are essential components of VSCs, and the arrangement of power frequency distribution within the VSC valve startup circuit is a hot topic in current VSC valve engineering application research.

[0003] In general projects, the power frequency distribution components in the VSC valve starting circuit are generally arranged in an open layout. This method occupies a large area and the equipment wiring is complex, which greatly increases the difficulty of daily maintenance and repairs for staff. Maintenance is time-consuming and inefficient, and the land and repair costs are high. In addition, the power frequency distribution components are greatly affected by external atmospheric conditions, which affects the operational reliability of the equipment.

[0004] Therefore, it is necessary to provide an integrated device for power frequency distribution devices to solve the above technical problems. Utility Model Content

[0005] The purpose of the present utility model is to provide an integrated device for power frequency power distribution devices to solve the above technical problems.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A power frequency power distribution device integration device, used to integrate the main components in the power frequency power distribution circuit, including:

[0008] There are multiple integrated shells, and each of the integrated shells can be detachably connected;

[0009] The integrated housing includes a first housing and a second housing, the first housing is provided with a plurality of limiting pins, and the second housing is provided with a plurality of limiting holes adapted to the limiting pins;

[0010] A plurality of first fixing plates and a second fixing plate are respectively provided on the first shell and the second shell, and a socket is provided on each of the first fixing plate and the second fixing plate;

[0011] The fixing mechanism connects the first shell and the second shell by cooperating with the first fixing plate and the second fixing plate.

[0012] Furthermore, the fixing mechanism includes:

[0013] A baffle, wherein the baffle is provided with a fixed plugboard adapted to the socket;

[0014] The limiting block is elastically and telescopically arranged in the fixed plug plate, and the side of the limiting block facing away from the baffle is an inclined surface.

[0015] Furthermore, an inner groove is provided in the fixed plug plate, the limiting block is slidably connected to the inner groove, and an elastic member is provided between the inner wall of the inner groove and the end of the limiting block.

[0016] Furthermore, a sliding groove communicating with the inner groove is provided on the outer wall of the fixed plug plate, a push rod is slidably provided on the inner wall of the sliding groove, and one end of the push rod is connected to the limiting block.

[0017] Furthermore, an embedding groove is formed at one end of the limiting block away from the fixed plug plate, and a roller is rotatably arranged in the embedding groove.

[0018] Furthermore, two symmetrically distributed L-shaped plates are provided on the first fixing plate, and a handle is provided on the baffle.

[0019] Furthermore, a hanging ring is provided at the end of the fixed plug plate, a strap is provided on the handle, and a hook adapted to the hanging ring is provided at the other end of the strap.

[0020] Furthermore, a positioning plate is provided on the first shell, and a positioning groove adapted to the positioning plate is provided on the second shell.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. In this solution, in addition to the starting resistor and valve-side lightning arrester in the VSC valve starting circuit, the other main components of the power frequency distribution starting circuit are integrated and placed inside an integrated housing. Multiple integrated housings can be connected in the circuit, and integrated housings of different shapes can be processed and connected according to specific needs. This method differs from the current open layout of power frequency distribution components. It greatly reduces the floor space and avoids the complex equipment wiring. The layout is intuitive and clear, which can significantly reduce the difficulty of daily maintenance and repair for staff, significantly improve the efficiency of maintenance and repair, and further effectively reduce land use and maintenance costs. The power distribution components sealed in the integrated housing are not affected by external atmospheric conditions, which can reduce external influences and have better insulation performance. It can effectively improve the performance and life of the power distribution components in the starting circuit, thereby improving the operational reliability of the equipment.

[0023] 2. In this solution, the limiting plug of the first shell is inserted into the limiting hole of the second shell, thereby completing the preliminary installation of the integrated shell; then the first fixing plate and the second fixing plate are fixed together by a fixing mechanism, thereby completing the overall fixation of the integrated shell; when disassembly maintenance or overhaul is required, the same applies, so that the disassembly and assembly of the integrated shell are very simple and convenient, which can further facilitate the maintenance and overhaul of the staff, save a lot of time and labor, improve work efficiency and reduce costs; by connecting and combining multiple integrated shells, the corresponding integrated shells can be disassembled, maintained and overhauled according to the specific location of the overhaul and maintenance, reducing the work intensity and complexity, and having a wide range of applicability.

[0024] 3. In this solution, when the limiting block moves along the sockets on the first fixed plate and the second fixed plate, the end of the limiting block rolls along the inner wall of the socket through the roller, which can greatly reduce the friction when the limiting block moves, making the limiting block move more smoothly and ensuring its use effect.

[0025] 4. In this solution, the connection stability between the first shell and the second shell can be improved by the binding strap, which greatly reduces the gap offset phenomenon at the connection between the first shell and the second shell, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the local plane layout structure of the power frequency distribution of the starting circuit of the utility model;

[0027] Figure 2 This is a schematic diagram of the three-dimensional structure of the integrated shell of the utility model;

[0028] Figure 3 for Figure 2 A in the middle is an enlarged structural diagram;

[0029] Figure 4 This is a schematic diagram of the three-dimensional structure of the integrated cover of the utility model from another side perspective;

[0030] Figure 5 for Figure 4 The enlarged structural diagram at B in the middle;

[0031] Figure 6 This is a schematic diagram of the three-dimensional structure of the first housing of the utility model;

[0032] Figure 7 for Figure 6 The enlarged structural diagram at C in the middle;

[0033] Figure 8 This is a schematic diagram of the three-dimensional structure of the second housing of the present invention;

[0034] Figure 9 for Figure 9The enlarged structural diagram at D in the middle;

[0035] Figure 10 This is a schematic diagram of the three-dimensional structure of the fixing mechanism of the utility model;

[0036] Figure 11 This is a partial cross-sectional structural diagram of the fixed plugboard of the utility model.

[0037] Description of the numbers in the figure:

[0038] 1. Integrated shell; 11. First outer shell; 12. Second outer shell; 2. Limiting pin; 3. Limiting hole; 4. First fixing plate; 5. Second fixing plate; 6. Insert hole; 7. Fixing mechanism; 71. Baffle; 72. Fixed insert plate; 73. Limiting block; 8. Inner groove; 9. Elastic member; 10. Slide groove; 13. Push rod; 14. Roller; 15. L-shaped plate; 16. Handle; 17. Hanging ring; 18. Strap; 19. Hook; 20. Positioning plate; 21. Positioning groove; 22. First magnet; 23. Second magnet. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only 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 efforts are within the scope of protection of the present invention.

[0040] See also Figure 1-11 , a power frequency power distribution device integration device, used to integrate the main components in the power frequency power distribution circuit, including: an integrated shell 1, which is provided with multiple, and each integrated shell 1 is detachably connected; the integrated shell 1 includes a first shell 11 and a second shell 12, the first shell 11 is provided with multiple limiting pins 2, and the second shell 12 is provided with multiple limiting holes 3 compatible with the limiting pins 2; the first shell 11 and the second shell 12 are respectively provided with multiple first fixing plates 4 and second fixing plates 5, and the first fixing plates 4 and the second fixing plates 5 are both provided with sockets 6; a fixing mechanism 7, which connects the first shell 11 and the second shell 12 by cooperating with the first fixing plates 4 and the second fixing plates 5.

[0041] By connecting multiple integrated housings 1, in addition to the starting resistor and valve-side lightning arrester in the VSC valve starting circuit, the other main components in the power frequency distribution starting circuit are integrated and placed inside the integrated housing 1, that is, placed between the first housing 11 and the second housing 12. The first housing 11 and the second housing 12 are then fixedly connected. Multiple integrated housings 1 can be docked in the circuit, and integrated housings 1 with different shapes can be processed and connected according to specific needs. This method is different from the current open layout of power frequency distribution components. It greatly reduces the floor space, avoids the complex equipment wiring, and arranges the wiring intuitively and clearly, which can significantly reduce the difficulty of daily maintenance and repair for staff, significantly improve the efficiency of maintenance and repair, and further effectively reduce land use and maintenance costs. The distribution components integrated and sealed in the integrated housing 1 are not affected by external atmospheric conditions, which can reduce external influences and have better insulation performance. It can effectively improve the performance and life of the distribution components in the starting circuit, thereby improving the operational reliability of the equipment. It can also better adapt to the indoor and outdoor layout of the VSC valve starting circuit and is highly practical.

[0042] When installing the first and second housings 11, 12, the limiting pins 2 of the first housing 11 are inserted into the limiting holes 3 of the second housing 12 to connect the first and second housings 11, 12 together, thus completing the initial installation of the integrated housing 1. The first and second fixing plates 4, 5 are then fixed together by the fixing mechanism 7, thereby securing the first and second housings 11, 12, and thus completing the overall fixation of the integrated housing 1. Similarly, when disassembly for maintenance or overhaul is required, the first and second fixing plates 4, 5 are released from the fixing mechanism 7, allowing the first and second housings 11, 12 to be separated. This makes disassembly and assembly of the integrated housing 1 very simple and convenient, further facilitating maintenance and overhaul by workers, saving considerable time and labor, improving work efficiency, and reducing costs. By connecting and assembling multiple integrated housings 1, the integrated housings 1 at the corresponding locations can be disassembled for maintenance and overhaul, reducing work intensity and complexity, and having high practicality and wide applicability.

[0043] In this embodiment, preferably, please refer to Figure 6-9A positioning plate 20 is provided on the first shell 11, and a positioning groove 21 adapted to the positioning plate 20 is provided on the second shell 12. When connecting the first shell 11 and the second shell 12, the positioning plate 20 on the first shell 11 can be first inserted into the positioning groove 21 of the second shell 12. At this time, the connection between the first shell 11 and the second shell 12 can be pre-positioned. At this time, the multiple limiting pins 2 on the first shell 11 are in a state of aligning with the limiting holes 3 of the second shell 12. Therefore, it is only necessary to continue to move the first shell 11 and the second shell 12 closer to each other, that is, to enable the multiple limiting pins 2 to be inserted into the limiting holes 3 synchronously, so that the first shell 11 and the second shell 12 can be connected faster, saving a lot of alignment time, high installation efficiency, and convenient for the staff's installation operation, with strong practicality.

[0044] In this embodiment, preferably, please refer to Figure 2-5 and Figure 10-11 The fixing mechanism 7 includes: a baffle 71, on which a fixing plug-in plate 72 is provided that matches the socket 6; a limiting block 73 that is elastically extendable and arranged in the fixing plug-in plate 72, and the side of the limiting block 73 facing away from the baffle 71 is an inclined surface. When the first shell 11 and the second shell 12 are put together, the fixing plug-in plate 72 is respectively inserted into the socket 6 on the first fixing plate 4 and the second fixing plate 5. When the limiting block 73 contacts the socket 6, it will be squeezed and the limiting block 73 will eventually move into the fixing plug-in plate 72. When the fixing plug-in plate 72 is inserted into the final position, that is, after the fixing plug-in plate 72 passes through the socket 6 on the second fixing plate 5, the limiting block 73 is no longer pressurized and will move out of the fixing plug-in plate 72. At this time, the first fixing plate 4 and the second fixing plate 5 can be restricted and fixed together by the limiting block 73, as shown in the attached figure. Figure 2-5 In the state shown, the first housing 11 and the second housing 12 are fixed. When disassembly is required, the limiting block 73 is squeezed to enter the fixing plate 72, and then the fixing plate 72 can be moved and pulled out from the first fixing plate 4 and the second fixing plate 5. After that, the first housing 11 and the second housing 12 can be separated from each other. The operation is simple and convenient, which can save a lot of time and effort.

[0045] In this embodiment, preferably, please refer to Figure 11 The fixed insert 72 defines an inner groove 8, with the limiting block 73 slidably connected to the inner groove 8. An elastic member 9 is disposed between the inner wall of the inner groove 8 and the end of the limiting block 73. The elastic member 9 in this application is a spring or a damper. When the limiting block 73 is squeezed, it moves toward the inner groove 8 and compresses the elastic member 9. When the limiting block 73 is not compressed, the rebound force of the elastic member 9 drives the limiting block 73 to move out of the inner groove 8.

[0046] In this embodiment, preferably, please refer to Figure 4-5 and Figure 10 The outer wall of the fixed inserting plate 72 is provided with a chute 10 connected to the inner groove 8. A push rod 13 is slidably provided on the inner wall of the chute 10. One end of the push rod 13 is connected to the limiting block 73. When the limiting block 73 needs to be moved toward the inner groove 8, the push rod 13 can be pushed to move along the chute 10, and the push rod 13 will drive the limiting block 73 to move toward the inner groove 8, thereby conveniently driving the limiting block 73 to move, which is convenient to operate, saves time and effort, and is highly practical.

[0047] In this embodiment, preferably, please refer to Figure 4-7 and Figure 10-11 , a first magnet 22 is also provided on the first fixing plate 4, and a second magnet 23 is embedded in one end of the limiting block 73, and the magnetic direction of the second magnet 23 is opposite to that of the first magnet 22. When releasing the fixation between the first shell 11 and the second shell 12, after the fixing plug plate 72 is detached from the second fixing plate 5, the limiting block 73 on the fixing plug plate 72 can be adsorbed with the first magnet 22 on the first fixing plate 4 through the second magnet 23, so that the fixing plug plate 72 and the first fixing plate 4 are relatively fixed. When there is no need to remove the fixing plug plate 72 from the first fixing plate 4, the stability of the fixing plug plate 72 can be improved when moving or transporting the first shell 11, and the shaking and movement can be avoided. There is no need to remove the fixing plug plate 72 from the first fixing plate 4, which facilitates the subsequent connection and installation with the second shell 12 and has a good use effect.

[0048] In this embodiment, preferably, please refer to Figure 5 and Figure 10-11 The end of the limiting block 73 facing away from the fixed insert plate 72 is provided with an embedding groove, in which a roller 14 is rotatably arranged. When the limiting block 73 is forced into the inner groove 8, when the limiting block 73 moves along the insertion holes 6 on the first fixed plate 4 and the second fixed plate 5, the roller 14 rolls along the inner wall of the insertion holes 6, which can greatly reduce the friction force when the limiting block 73 moves, making the limiting block 73 move more smoothly.

[0049] In this embodiment, preferably, please refer to Figure 2-5 and Figure 10 Two symmetrically distributed L-shaped plates 15 are provided on the first fixed plate 4, and a handle 16 is provided on the baffle 71. The handle 16 can more conveniently move the fixed plug-in plate 7, and the L-shaped plate 15 can support the baffle 71; when the fixed plug-in plate 72 is inserted into the socket 6 on the first fixed plate 4 and the second fixed plate 5, the baffle 71 can be placed on the L-shaped plate 15 and moved, which can improve the accuracy of its moving position.

[0050] In this embodiment, preferably, please refer to Figure 2-5 and Figure 10-11The end of the fixed plug plate 72 is provided with a hanging ring 17, and the handle 16 is provided with a strap 18. The other end of the strap 18 is provided with a hook 19 that matches the hanging ring 17. After the first shell 11 and the second shell 12 are connected and fixed together by the fixing mechanism 7, the strap 18 on the handle 16 can be passed around the first shell 11 and the second shell 12, and then the hook 19 at the other end of the strap 18 can be hung on the hanging ring 17. In this way, the strap 18 can improve the connection stability of the first shell 11 and the second shell 12, greatly reducing the phenomenon of gap offset at the connection between the first shell 11 and the second shell 12, and has strong practicality.

[0051] It should be understood that the examples and implementation methods described herein are for illustrative purposes only and are not intended to limit the present invention. Those skilled in the art may make various modifications or changes based on them. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0052] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indications will also change accordingly.

[0053] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes in which A and B are satisfied at the same time. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A power frequency power distribution device integration device, used to integrate the main components in the power frequency power distribution circuit, characterized in that: include: A plurality of integrated casings (1) are provided, and each of the integrated casings (1) is detachably connected to each other; The integrated housing (1) comprises a first housing (11) and a second housing (12); the first housing (11) is provided with a plurality of position-limiting plugs (2); the second housing (12) is provided with a plurality of position-limiting holes (3) adapted to the position-limiting plugs (2); A plurality of first fixing plates (4) and second fixing plates (5) are respectively provided on the first housing (11) and the second housing (12), and a socket (6) is provided on each of the first fixing plates (4) and the second fixing plates (5); The fixing mechanism (7) connects the first housing (11) and the second housing (12) by cooperating with the first fixing plate (4) and the second fixing plate (5).

2. The power frequency power distribution device integration device according to claim 1, characterized in that: The fixing mechanism (7) comprises: A baffle (71), wherein the baffle (71) is provided with a fixed plug plate (72) adapted to the plug hole (6); The limiting block (73) is elastically and telescopically arranged in the fixed plug plate (72), and the side of the limiting block (73) facing away from the baffle (71) is an inclined surface.

3. The power frequency power distribution device integration device according to claim 2, characterized in that: An inner groove (8) is provided in the fixed insert plate (72), the limiting block (73) is slidably connected to the inner groove (8), and an elastic member (9) is provided between the inner wall of the inner groove (8) and the end of the limiting block (73).

4. The power frequency power distribution device integration device according to claim 3, characterized in that: The outer wall of the fixed plug plate (72) is provided with a slide groove (10) connected to the inner groove (8), and the inner wall of the slide groove (10) is slidably provided with a push rod (13), and one end of the push rod (13) is connected to the limiting block (73).

5. The power frequency power distribution device integration device according to claim 2, characterized in that: An embedding groove is formed at one end of the limiting block (73) away from the fixed inserting plate (72), and a roller (14) is rotatably arranged in the embedding groove.

6. The power frequency power distribution device integration device according to claim 2, characterized in that: Two symmetrically distributed L-shaped plates (15) are provided on the first fixing plate (4), and a handle (16) is provided on the baffle (71).

7. The power frequency power distribution device integration device according to claim 6, characterized in that: The end of the fixed plug plate (72) is provided with a hanging ring (17), the handle (16) is provided with a strap (18), and the other end of the strap (18) is provided with a hook (19) that is compatible with the hanging ring (17).

8. The power frequency power distribution device integration device according to claim 1, characterized in that: A positioning plate (20) is provided on the first shell (11), and a positioning groove (21) adapted to the positioning plate (20) is provided on the second shell (12).

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