Dry-type transformer with lightning protection function
By designing lightning protection devices on dry transformers, including components such as threaded rods, threaded blocks, fasteners and bumps, the problem of dry transformers being easily damaged by lightning strikes in thunderstorms is solved, and the stable installation of lightning rods is achieved and Good lightning protection effect.
Patent Information
- Application Number
- CN202421069559.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-16
AI Technical Summary
Dry transformers are easily damaged by lightning strikes in thunderstorms, and the lightning rod may shake unsteadily in strong winds, resulting in poor lightning protection.
A dry transformer with lightning protection function was designed, and lightning protection devices include base, mount, ground wire, lightning rod and fastener components. Through the cooperation of threaded rod and thread block, the lightning rod is stable to be installed. And through the design of fasteners and bumps, ensure that the lightning rod does not slide during rainy days.
It effectively avoids the problem of unstable shaking of the lightning rod in the strong wind, ensures the stable installation of the lightning rod and good lightning protection effect, and protects the dry transformer from lightning damage.
Smart Images
Figure CN222530205U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, in particular to a dry-type transformer with a lightning protection function. Background Art
[0002] Transformer is one of the important equipment in the power supply and distribution system of industrial and mining enterprises and civil buildings. Transformer is often used for voltage increase and decrease, impedance matching, safety isolation, etc. According to the insulation and cooling form, transformer can be divided into two categories: dry-type transformer and oil-immersed transformer. Some dry-type transformers are placed at high places outdoors and may be struck by lightning during thunderstorms, causing damage to the dry-type transformer.
[0003] Some equipment on the market is generally set up through the coordination of installation slots, installation blocks, protection boxes, lifting rings, card slots, box covers, lightning rods, reinforcing ribs and ground wires. When in use, the setting of installation slots and installation blocks can facilitate the installation and disassembly of the protection box. The protection box is made of insulating material, which can protect the resin insulated dry-type transformer body and avoid damage to its internal parts affecting its use. The setting of card slots and box covers can facilitate the removal of the lightning rod to ensure its safe and convenient use. The setting of lightning rods and ground wires can improve the lightning protection capability of the equipment. The setting of reinforcing ribs can ensure that the lightning rod is firmly fixed to ensure its safe use.
[0004] However, in actual use of the above equipment, thunderstorms are usually accompanied by strong winds, and when the dry-type transformer is placed at a high place, the lightning rod may be shaken and unstable by the strong wind, which may cause the lightning rod to fall or become loose, making the lightning protection effect poor. In view of this, we propose a dry-type transformer with lightning protection function. Utility Model Content
[0005] The purpose of the utility model is to provide a dry-type transformer with a lightning protection function to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a dry-type transformer with lightning protection function, comprising a box body, a door body is arranged on the front side of the box body, a transformer body is arranged inside the box body, a lightning protection device is arranged on the upper surface of the box body, the lightning protection device comprises a base, the upper surface of the box body is fixedly connected to the base, the upper surface of the base is fixedly connected to the mounting seat, the upper surface of the base is fixedly connected to the mounting piece, one side of the base is provided with a ground wire, the upper surface of the mounting seat is provided with a groove, one side of the inner wall of the mounting piece is rotatably connected with a threaded rod, a lightning rod is clamped inside the groove, the outer surface of the threaded rod is threadedly connected with a threaded block, one end of the threaded rod is fixedly connected with a rotating block, the upper surface of the threaded block is hinged with a connecting rod, one end of the connecting rod is provided with a placement groove, a screw is arranged on one side of the connecting rod, a slide groove is arranged on one side of the placement groove, a pressing block is arranged inside the slide groove, and a fastener is arranged on one side of the pressing block.
[0007] Preferably, the fastener is arranged on the outer surface of the lightning rod, and the size of the fastener is adapted to the size of the lightning rod, so that the fastener can be well installed on the outer surface of the lightning rod.
[0008] Preferably, the size of the pressing block is adapted to the size of the placement groove and the size of the sliding groove, and one end of the screw passes through the connecting rod, the fastener and the pressing block, which can enable the fastener to be well fixed inside the placement groove set on one side of the connecting rod.
[0009] Preferably, the threaded block is arranged inside the mounting piece, and the size of the threaded block matches the size of the mounting piece, and one end of the ground wire is arranged inside the groove, so that one end of the ground wire can contact the lightning rod.
[0010] Preferably, a protrusion is fixedly connected to the arc-shaped inner wall of the fastener, and an anti-slip strip is provided on the front side of the protrusion.
[0011] Preferably, the bump and the anti-slip strip are made of rubber material, the bump is inclined, the anti-slip strip is S-shaped, and the anti-slip strips are evenly distributed on the front of the bump in a linear array, which can make the anti-slip effect of the bump better.
[0012] Compared with the prior art, the utility model provides a dry-type transformer with lightning protection function, which has the following beneficial effects:
[0013] 1. In order to prevent the lightning rod from being stably installed on the upper surface of the dry-type transformer, the dry-type transformer with lightning protection function is provided with a rotating block to rotate the threaded rod, and the threaded rod is rotated to move the threaded block, which can well adjust the angle of the connecting rod. At the same time, when the fastener is installed on the outer surface of the lightning rod, the pressing block is inserted into the slide groove so that one end of the fastener is clamped in the placement groove, and then one end of the screw is passed through the connecting rod, the fastener and the pressing block, so that the connecting rod supports the fastener, and at the same time, the pressing block slides in the slide groove for adjustment so that the fastener clamps lightning rods of different thicknesses, which can better support the lightning rod and can be stably installed on the upper surface of the equipment.
[0014] 2. In order to prevent the fastener from sliding due to the smooth surface of the lightning rod on rainy days, the dry-type transformer with lightning protection function has a protrusion on the inner wall of the fastener, and the protrusion is inclined. An anti-slip strip is arranged on the front of the protrusion, and the anti-slip strip is evenly distributed in an array on the front of the protrusion. This can well clamp the fastener on the outer surface of the lightning rod, and the protrusion and the anti-slip strip are rubber, which effectively guides the lightning through the lightning rod into the ground wire to achieve good lightning protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a three-dimensional top view structural diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the lightning protection seat of the utility model;
[0018] Figure 4 This is a schematic diagram of the support structure of the utility model;
[0019] Figure 5 This is a schematic diagram of the fastener structure of the utility model.
[0020] In the figure: 1. Box body; 2. Door body; 3. Transformer body; 4. Base; 5. Mounting seat; 6. Ground wire; 7. Groove; 8. Lightning rod; 9. Mounting piece; 10. Rotating block; 11. Threaded rod; 12. Threaded block; 13. Connecting rod; 14. Placement groove; 15. Slide groove; 16. Pressing block; 17. Screw; 18. Fastener; 19. Bump; 20. Anti-slip strip. DETAILED DESCRIPTION
[0021] like Figure 1-5As shown, the utility model provides a technical solution: a dry-type transformer with lightning protection function, including a box body 1, a door body 2 is arranged on the front of the box body 1, a transformer body 3 is arranged inside the box body 1, a lightning protection device is arranged on the upper surface of the box body 1, and the lightning protection device includes a base 4, a base 4 is fixedly connected to the upper surface of the box body 1, a mounting seat 5 is fixedly connected to the upper surface of the base 4, a mounting piece 9 is fixedly connected to the upper surface of the base 4, a ground wire 6 is arranged on one side of the base 4, and one end of the ground wire 6 is arranged inside the groove 7, which can make one end of the ground wire 6 contact with the lightning rod 8, a groove 7 is arranged on the upper surface of the mounting seat 5, a threaded rod 11 is rotatably connected to one side of the inner wall of the mounting piece 9, a lightning rod 8 is clamped inside the groove 7, a threaded block 12 is threadedly connected to the outer surface of the threaded rod 11, the threaded block 12 is arranged inside the mounting piece 9, and the size of the threaded block 12 is adapted to the size of the mounting piece 9, one end of the threaded rod 11 is fixedly connected to a rotating block 10, a connecting rod 13 is hinged on the upper surface of the threaded block 12, and a placement is provided at one end of the connecting rod 13 The connecting rod 13 is provided with a screw 17 on one side, and one end of the screw 17 passes through the connecting rod 13, the fastener 18 and the pressing block 16. This allows the fastener 18 to be well fixed inside the placement groove 14 set on one side of the connecting rod 13. A slide groove 15 is opened on one side of the placement groove 14. A pressing block 16 is set inside the slide groove 15. The size of the pressing block 16 is adapted to the size of the placement groove 14 and the size of the slide groove 15. A fastener 18 is set on one side of the pressing block 16. The fastener 18 is set At the outer surface of the lightning rod 8, the size of the fastener 18 is adapted to the size of the lightning rod 8, so that the fastener 18 can be well installed on the outer surface of the lightning rod 8. The arc-shaped inner wall of the fastener 18 is fixedly connected with a protrusion 19. The protrusion 19 and the anti-slip strip 20 are made of rubber material. The protrusion 19 is inclined. The anti-slip strip 20 is arranged on the front of the protrusion 19. The anti-slip strip 20 is arranged in an S shape, and the anti-slip strips 20 are evenly distributed in a linear array on the front of the protrusion 19, which can make the anti-slip effect of the protrusion 19 better.
[0022] In the utility model, when in use, the rotating block 10 is twisted to rotate the threaded rod 11, and the threaded rod 11 rotates to move the threaded block 12, which can well adjust the angle of the connecting rod 13. At the same time, the fastener 18 is installed on the outer surface of the lightning rod 8, and the pressing block 16 is inserted into the slide groove 15, so that one end of the fastener 18 is clamped in the placement groove 14, and then one end of the screw 17 is passed through the connecting rod 13, the fastener 18 and the pressing block 16, so that the connecting rod 13 supports the fastener 18, and at the same time, the pressing block 16 slides in the slide groove 15 to adjust the fastener 18 to lightning rods 8 of different thicknesses. Clamping, which can provide better support for the lightning rod 8, and can be stably installed on the upper surface of the equipment. When it rains, rain falls on the outer surface of the lightning rod 8, which will make the outer surface of the lightning rod 8 too smooth. The inner wall of the fastener 18 is provided with a protrusion 19, and the protrusion 19 is inclined. The front of the protrusion 19 is provided with an anti-slip strip 20, and the anti-slip strip 20 is evenly distributed in an array on the front of the protrusion 19, which can well clamp the fastener 18 on the outer surface of the lightning rod 8, and the protrusion 19 and the anti-slip strip 20 are rubber settings, which effectively allow lightning to be introduced into the ground wire 6 through the lightning rod 8 to achieve good lightning protection.
[0023] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A dry-type transformer with lightning protection function, comprising a box (1), a door (2) being arranged on the front of the box (1), and a transformer body (3) being arranged inside the box (1), characterized in that: The upper surface of the box (1) is provided with a lightning protection device, the lightning protection device comprising a base (4), the upper surface of the box (1) is fixedly connected to the base (4), the upper surface of the base (4) is fixedly connected to a mounting seat (5), the upper surface of the base (4) is fixedly connected to a mounting piece (9), a ground wire (6) is provided on one side of the base (4), a groove (7) is provided on the upper surface of the mounting seat (5), a threaded rod (11) is rotatably connected to one side of the inner wall of the mounting piece (9), and a lightning rod (8) is clamped inside the groove (7). The outer surface of the threaded rod (11) is threadedly connected to a threaded block (12); one end of the threaded rod (11) is fixedly connected to a rotating block (10); a connecting rod (13) is hingedly connected to the upper surface of the threaded block (12); one end of the connecting rod (13) is provided with a placement groove (14); a screw (17) is provided on one side of the connecting rod (13); a sliding groove (15) is provided on one side of the placement groove (14); a pressing block (16) is provided inside the sliding groove (15); and a fastener (18) is provided on one side of the pressing block (16).
2. A dry-type transformer with lightning protection function according to claim 1, characterized in that: The fastener (18) is arranged on the outer surface of the lightning rod (8), and the size of the fastener (18) is adapted to the size of the lightning rod (8).
3. The dry-type transformer with lightning protection function according to claim 1 is characterized in that: The size of the pressing block (16) matches the size of the placement groove (14) and the size of the sliding groove (15), and one end of the screw (17) passes through the connecting rod (13), the fastener (18) and the pressing block (16).
4. The dry-type transformer with lightning protection function according to claim 1 is characterized in that: The threaded block (12) is arranged inside the mounting piece (9), and the size of the threaded block (12) matches the size of the mounting piece (9), and one end of the ground wire (6) is arranged inside the groove (7).
5. The dry-type transformer with lightning protection function according to claim 1 is characterized in that: A protrusion (19) is fixedly connected to the arc-shaped inner wall of the fastener (18), and an anti-slip strip (20) is provided on the front side of the protrusion (19).
6. The dry-type transformer with lightning protection function according to claim 5, characterized in that: The convex block (19) and the anti-slip strip (20) are made of rubber material; the convex block (19) is arranged obliquely; the anti-slip strip (20) is arranged in an S shape; and the anti-slip strip (20) is evenly distributed on the front of the convex block (19) in a linear array.