Conjugated double-split boost dry-type transformer for photovoltaic inversion

Abstract

The conjugate type double-split boost dry-type transformer comprises a base, a plurality of lifting foot pads which are symmetrically arranged are arranged on the lower end face of the base, a plurality of penetrating openings are formed in the base, threaded columns penetrate through the penetrating openings, and the threaded columns are connected with the lifting foot pads. The upper end faces of the multiple threaded columns are jointly and fixedly connected with a transformer body, the ends, away from the transformer body, of the multiple threaded columns are all in threaded connection with mounting nuts, and the upper end face of the base is fixedly connected with multiple limiting seats which are symmetrically arranged. Limiting grooves are formed in the side walls, close to each other, of the multiple limiting seats, limiting blocks are slidably connected into the multiple limiting grooves, a grid frame is jointly and fixedly connected between the multiple limiting blocks, and the transformer body is located in the grid frame. According to the utility model, a worker can conveniently complete the installation and placement work of the transformer body, and meanwhile, the working safety of the transformer body is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field related to transformers, and in particular to a conjugate double-split step-up dry-type transformer for photovoltaic inversion. Background Art

[0002] Dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery and equipment and other places. Simply put, dry-type transformers refer to transformers whose cores and windings are not immersed in insulating oil. In order to effectively utilize photovoltaic energy, there is a conjugated double-split step-up dry-type transformer for photovoltaic inverters.

[0003] This transformer requires tedious installation work during operation. At the same time, in order to protect the transformer, a corresponding protective shell needs to be set up. However, the existing protective shell is too closed, which will affect the heat dissipation capacity of the equipment and make the equipment unable to work safely and stably.

[0004] To this end, this scheme proposes a conjugate double-split step-up dry-type transformer for photovoltaic inverter to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes a conjugate double-split step-up dry-type transformer for photovoltaic inverter.

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

[0007] A conjugated double-split step-up dry-type transformer for photovoltaic inverter comprises a base, a plurality of lifting feet symmetrically arranged are arranged on the lower end surface of the base, a plurality of through-holes are arranged on the base, a plurality of threaded columns are penetrated in the plurality of through-holes, a transformer body is commonly fixedly connected on the upper end surfaces of the plurality of threaded columns, a mounting nut is threadedly connected to one end of the plurality of threaded columns away from the transformer body, a plurality of limit seats symmetrically arranged are fixedly connected to the upper end surface of the base, a limit groove is arranged on one side wall of the plurality of limit seats close to each other, a limit block is slidably connected in the plurality of limit grooves, a grid frame is commonly fixedly connected between the plurality of limit blocks, the transformer body is arranged in the grid frame, and a cooling assembly is arranged on the upper end surface of the grid frame.

[0008] Preferably, the cooling assembly includes a placement ring fixedly connected to the inner wall of the upper end of the grid frame, the placement ring is provided with a perforated drying plate, a plurality of threaded racks symmetrically arranged are fixedly connected to the outer wall of the upper end of the grid frame, a plurality of threaded racks are penetrated by threaded blocks, a top cover is commonly fixedly connected to the upper ends of the plurality of threaded blocks, a fixing nut is threadedly connected to the plurality of threaded blocks, an opening is provided on the top cover, a grid cover is provided on the upper end surface of the top cover, the grid cover matches the opening, and a hair dryer is provided on the grid cover.

[0009] Preferably, a threaded tube is threadedly connected to the threaded rod, and a gasket is rotatably connected to one end of the threaded tube away from the threaded rod.

[0010] Preferably, a slot is provided on a side wall of the limit block away from the grid frame, a threaded hole is provided on the inner wall of the limit slot, a block is provided in the slot, a threaded strip is threadedly connected in the threaded hole, and the threaded strip is fixedly connected to the block.

[0011] Preferably, a rotation groove is provided on one side wall of the gasket close to the threaded tube, a rotation block is rotatably connected in the rotation groove, and the rotation block is fixedly connected to the threaded tube.

[0012] Preferably, one end of the threaded strip away from the clamping block is fixedly connected to a turntable.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the staff can adjust the height of the base with the help of multiple lifting feet, so that the transformer body can be easily installed and disassembled. At the same time, through the arrangement of mechanisms such as the grid frame, the transformer body can be effectively protected, so that the transformer body can work safely and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a conjugate double-split step-up dry-type transformer for photovoltaic inverter proposed by the utility model;

[0016] Figure 2 This is a front structural cross-sectional view of a conjugated double-split step-up dry-type transformer for photovoltaic inverter proposed by the utility model;

[0017] Figure 3 for Figure 2 A magnified view of the structure in the middle;

[0018] Figure 4 for Figure 2 A magnified view of the structure in B.

[0019] In the figure: 1 base, 2 through-hole, 3 threaded column, 4 transformer body, 5 mounting nut, 6 limit seat, 7 limit groove, 8 limit block, 9 grid frame, 10 placement ring, 11 hole drying plate, 12 threaded rack, 13 threaded block, 14 top cover, 15 fixing nut, 16 opening, 17 grid cover, 18 blower, 19 threaded rod, 20 threaded pipe, 21 gasket, 22 slot, 23 threaded hole, 24 threaded strip, 25 rotating slot, 26 rotating block, 27 turntable, 28 block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4 A conjugate double-split step-up dry-type transformer for photovoltaic inverter includes a base 1, and a plurality of lifting feet symmetrically arranged are arranged on the lower end surface of the base 1. The lifting feet include a threaded rod 19 fixedly connected to the base 1, and a threaded tube 20 is threadedly connected to the threaded rod 19. The end of the threaded tube 20 away from the threaded rod 19 is rotatably connected to a gasket 21, so that the height of the base 1 can be adjusted, which is convenient for workers to install and disassemble the transformer body 4 on the base 1. A rotating groove 25 is provided on a side wall of the gasket 21 close to the threaded tube 20, and a rotating block 26 is rotatably connected in the rotating groove 25. The rotating block 26 is fixedly connected to the threaded tube 20, so that the gasket 21 is stably placed and will not interfere with the rotation adjustment work of the threaded tube 20. A plurality of through holes 2 are provided on the base 1, and a plurality of through holes 2 are all penetrated by threaded columns 3, and a plurality of screws are provided on the base 1. A transformer body 4 is fixedly connected to the upper end surface of the column 3. The ends of the multiple threaded columns 3 away from the transformer body 4 are all threadedly connected with mounting nuts 5. A plurality of symmetrically arranged limit seats 6 are fixedly connected to the upper end surface of the base 1. A plurality of limit seats 6 are provided with limit grooves 7 on one side wall close to each other. A plurality of limit grooves 7 are slidably connected with limit blocks 8. A clamping groove 22 is provided on one side wall of the limit block 8 away from the grid frame 9. A threaded hole 23 is provided on the inner wall of the limit groove 7. A clamping block 28 is provided in the clamping groove 22. A threaded strip 24 is threadedly connected in the threaded hole 23. The threaded strip 24 is fixedly connected to the clamping block 28. In this way, the limit block 8 can be fixed, and then the grid frame 9 can be further fixed. The end of the threaded strip 24 away from the clamping block 28 is fixedly connected with a turntable 27. The arrangement of the turntable 27 is convenient for the staff to rotate the threaded strip 24 to work.

[0022] A grid frame 9 is fixedly connected between the plurality of limit blocks 8, the transformer body 4 is arranged in the grid frame 9, a cooling assembly is arranged on the upper end surface of the grid frame 9, the cooling assembly includes a placement ring 10 fixedly connected to the inner wall of the upper end of the grid frame 9, the placement ring 10 is provided with a hole drying plate 11, a plurality of threaded racks 12 symmetrically arranged are fixedly connected to the outer wall of the upper end of the grid frame 9, a threaded block 13 is penetrated through the plurality of threaded racks 12, a top cover 14 is fixedly connected to the upper ends of the plurality of threaded blocks 13, a fixing nut 15 is threadedly connected to the plurality of threaded blocks 13, an opening 16 is provided on the top cover 14, a grid cover 17 is arranged on the upper end surface of the top cover 14, the grid cover 17 matches the opening 16, a hair dryer 18 is provided on the grid cover 17, so that air can be blown for cooling, offsetting the adverse effect of the grid frame 9 on heat dissipation, using water with the help of the hole drying plate 11 can effectively prevent moisture from contacting the transformer body 4, thereby ensuring the safe and stable operation of the transformer body 4.

[0023] During the use of the utility model, first, the staff can rotate the multiple threaded tubes 20, so that the threaded tubes 20 and the threaded rods 19 rotate with each other, pushing the base 1 to rise and fall to a suitable height, and then the staff can place the transformer body 4 on the base 1, so that the multiple threaded columns 3 pass through the corresponding through-holes 2, and then the mounting nuts 5 are threadedly connected to the threaded columns 3, so that the installation of the transformer body 4 is successfully completed, and then the staff can reversely rotate the multiple threaded tubes 20 to make the base 1 drop, and then the base 1 can be stably placed with the gasket 21, and the above operation can be reversed to complete the disassembly of the transformer body 4, which is very convenient for the staff to operate and use;

[0024] Then the staff can place the grid frame 9 between the multiple limit seats 6, so that the multiple limit blocks 8 are respectively inserted into the corresponding limit grooves 7, and then rotate the threaded strip 24 through the turntable 27 to enter the threaded hole 23, and insert the card block 28 into the card slot 22, so as to further complete the fixed installation work of the grid frame 9. Then the staff can place the hole drying plate 11 on the placement ring 10 for drying work, and place the top cover 14 on the grid frame 9, so that the multiple threaded blocks 13 pass through the multiple threaded racks 12 respectively, and then complete the fixing work of the top cover 14 by threading the fixing nut 15 on the threaded block 13, so that the hair dryer 18 on the grid cover 17 can blow air through the opening 16, and exhaust air through the grid frame 9, thereby accelerating the heat dissipation efficiency of the transformer body 4, so that the protection work of the grid frame 9 will not have an adverse effect on the heat dissipation of the transformer body 4, thereby greatly ensuring the safety and stable operation of the transformer body 4.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A conjugate double-split step-up dry-type transformer for photovoltaic inverter, comprising a base (1), characterized in that: The lower end surface of the base (1) is provided with a plurality of lifting feet which are symmetrically arranged. The base (1) is provided with a plurality of through openings (2), and a threaded column (3) is inserted into each of the plurality of through openings (2). A transformer body (4) is fixedly connected to the upper end surfaces of the plurality of threaded columns (3). The ends of the plurality of threaded columns (3) which are away from the transformer body (4) are threadedly connected with mounting nuts (5). The upper end surface of the base (1) is fixedly connected with a plurality of limit seats (6) which are symmetrically arranged. A limit groove (7) is provided on one side wall of the plurality of limit seats (6) which are close to each other. A limit block (8) is slidably connected in each of the plurality of limit grooves (7). A grid frame (9) is fixedly connected between the plurality of limit blocks (8). The transformer body (4) is arranged in the grid frame (9), and a cooling component is provided on the upper end surface of the grid frame (9).

2. A conjugate double-split step-up dry-type transformer for photovoltaic inverter according to claim 1, characterized in that: The cooling assembly comprises a placement ring (10) fixedly connected to the inner wall of the upper end of the grid frame (9), the placement ring (10) being provided with a perforated drying plate (11), a plurality of threaded racks (12) symmetrically arranged are fixedly connected to the outer wall of the upper end of the grid frame (9), a threaded block (13) is passed through each of the plurality of threaded racks (12), a top cover (14) is fixedly connected to the upper ends of the plurality of threaded blocks (13), a fixing nut (15) is threadedly connected to each of the plurality of threaded blocks (13), an opening (16) is provided on the top cover (14), a grid cover (17) is provided on the upper end surface of the top cover (14), the grid cover (17) matches the opening (16), and a blower (18) is provided on the grid cover (17).

3. The conjugate double-split step-up dry-type transformer for photovoltaic inverter according to claim 1 is characterized in that: The lifting foot comprises a threaded rod (19) fixedly connected to the base (1), a threaded tube (20) being threadedly connected to the threaded rod (19), and a gasket (21) being rotatably connected to one end of the threaded tube (20) away from the threaded rod (19).

4. The conjugate double-split step-up dry-type transformer for photovoltaic inverter according to claim 1 is characterized in that: A clamping groove (22) is provided on a side wall of the limiting block (8) away from the grid frame (9); a threaded hole (23) is provided on the inner wall of the limiting groove (7); a clamping block (28) is provided in the clamping groove (22); a threaded strip (24) is connected to the inner thread of the threaded hole (23); and the threaded strip (24) is fixedly connected to the clamping block (28).

5. The conjugate double-split step-up dry-type transformer for photovoltaic inverter according to claim 3 is characterized in that: A rotating groove (25) is provided on a side wall of the gasket (21) close to the threaded tube (20), a rotating block (26) is rotatably connected in the rotating groove (25), and the rotating block (26) is fixedly connected to the threaded tube (20).

6. A conjugate double-split step-up dry-type transformer for photovoltaic inverter according to claim 4, characterized in that: One end of the threaded strip (24) away from the clamping block (28) is fixedly connected to a rotating disk (27).

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