Transformer coil and segmented dry-type transformer

Abstract

The utility model discloses a transformer coil and a segmented dry-type transformer, and belongs to the field of segmented dry-type transformers. The transformer coil and the segmented dry-type transformer comprise a transformer body, an iron core arranged in the transformer body, a clamping piece fixedly arranged at the top of the transformer body, a mounting seat fixedly mounted at the bottom of the transformer body and a splitting structure arranged on the mounting seat, the splitting structure comprises clamping boxes symmetrically arranged on the side face of the mounting base, clamping plates matched with the clamping boxes, inserting holes formed in the tops of the clamping boxes and the tops of the clamping plates, inserting rods inserted into the inserting holes, and adjusting rods fixedly mounted on the sides, away from the clamping boxes, of the inserting rods. According to the transformer coil and the segmented dry-type transformer, by arranging the splitting structure, assembling and disassembling of a plurality of transformers are achieved, and meanwhile the fixing effect is achieved through the reset assembly.

Description

Technical Field

[0001] The utility model relates to the field of segmented dry-type transformers, in particular to a transformer coil and a segmented dry-type transformer. Background Art

[0002] The segmented dry-type transformer is a specially designed dry-type transformer, which is characterized by the electrical windings being separated by an insulating isolation layer (inter-segment). The main purpose of this design is to improve the safety and reliability of the transformer and prevent problems such as short circuits and discharges between the electrical windings. The inter-segment is usually made of materials such as insulating plates or epoxy glass cloth to ensure the safety and stability of the transformer operation.

[0003] A Chinese utility model patent with publication number CN212032839U discloses a transformer coil and a segmented dry-type transformer. The patent utilizes a plurality of coils and a support cylinder, which is conducive to the manufacture of a transformer coil mold, reduces the difficulty of coil winding, is easy to assemble, and has a low manufacturing cost. However, during the installation process of the existing segmented dry-type transformers, a plurality of transformers are mostly assembled by using fixing screws. During the assembly process, since the position of the screws is relatively concealed, when one of the transformers is damaged and needs to be replaced, it may cause inconvenience in disassembly.

[0004] Therefore, the utility model provides a transformer coil and a segmented dry-type transformer to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model provides a transformer coil and a segmented dry-type transformer, aiming to solve the problem that the existing segmented dry-type transformers proposed in the background technology are mostly assembled by using fixing screws during the installation process. During the assembly process, since the screws are relatively hidden, when one of the transformers is damaged and needs to be replaced, it may cause inconvenience in disassembly.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transformer coil and a segmented dry-type transformer, comprising a transformer body, an iron core arranged inside the transformer body, a clamp fixedly arranged on the top of the transformer body, a mounting seat fixedly installed at the bottom of the transformer body, and a split structure arranged on the mounting seat; when in use, the transformer body is first assembled and fixed with the iron core, the clamp and the mounting seat, at this time, in order to avoid the existing segmented dry-type transformers, most of them are assembled by using fixing screws during the installation process.

[0009] In order to achieve reasonable assembly; the split structure includes a card box symmetrically arranged on the side of the mounting seat and a card board adapted to the card box, a socket opened on the top of the card box and the card board, a plug rod inserted in the socket, and an adjustment rod fixedly installed on the plug rod away from the card box. During the assembly process, since the position of the screws is relatively hidden, when one of the transformers is damaged and needs to be replaced, it may cause inconvenience in disassembly. The mounting seat can be split by using the split structure to complete the splitting of the transformer body, which is convenient for maintenance and assembly. By moving the adjusting rod to move the adjusting rod in the direction away from the socket, the plug rod is moved out of the socket, which is convenient for sliding the card board into the card box, thereby facilitating the splicing process.

[0010] Preferably, in order to achieve reasonable limiting, a reset component is provided at the bottom of the insertion rod; after the card plate and the card box are assembled, the insertion rod can be reset by the reset component to achieve the fixation of the card plate and the card box.

[0011] Preferably, in order to achieve rapid fixation of the card board and the card box; the reset assembly includes an installation box fixedly installed at a position below the card box corresponding to the mounting seat, a telescopic rod fixedly arranged at the bottom of the insertion rod and located inside the installation box, and a telescopic spring sleeved on the telescopic rod, and the two ends of the telescopic spring are respectively fixedly connected to the insertion rod and the bottom of the installation box; by loosening the adjusting rod, the telescopic spring and the telescopic rod are used to drive the insertion rod to slide and be inserted into the socket, thereby fixing the card box and the card board, and fixing the two mounting seats, that is, the separation of the two transformers is achieved.

[0012] Preferably, in order to prevent the adjusting rod from being obstructed during adjustment, a slide groove is provided in the installation box at a position corresponding to the telescopic rod, and the adjusting rod is slidably connected in the slide groove; the adjusting rod can slide by utilizing the slide groove.

[0013] Preferably, in order to achieve rapid heat dissipation, a heat dissipation fan is fixedly installed on the top of the mounting seat; the heat dissipation fan serves to facilitate heat dissipation.

[0014] Preferably, in order to achieve reasonable assembly of the transformer; the transformer coil includes a low-voltage coil and a high-voltage coil for a segmented dry-type transformer, and the low-voltage coil and the high-voltage coil are both wound on the iron core; the interior of the transformer is composed of a low-voltage coil and a high-voltage coil.

[0015] (III) Beneficial effects

[0016] The transformer coil and the segmented dry-type transformer are provided with a split structure to achieve the assembly and disassembly of multiple transformers, and at the same time achieve a fixing effect by resetting the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a three-dimensional structural schematic diagram of a transformer coil and a segmented dry-type transformer;

[0018] Figure 2 It is a schematic diagram of the structure of a transformer coil and a sectioned dry-type transformer;

[0019] Figure 3 It is a schematic diagram of the split structure of a transformer coil and a segmented dry-type transformer;

[0020] Figure 4 The present invention is a schematic diagram of the structure of a transformer coil and a reset component of a segmented dry-type transformer.

[0021] In the figure:

[0022] 1. Transformer body;

[0023] 2. Iron core; 3. Clamp; 4. Mounting seat; 5. Cooling fan;

[0024] 6. Split structure; 61. Card box; 62. Card board; 63. Socket; 64. Insert rod; 65. Adjustment rod;

[0025] 66. Reset assembly; 661. Telescopic spring; 662. Mounting box; 663. Slide groove. DETAILED DESCRIPTION

[0026] 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.

[0027] The utility model provides a transformer coil and a segmented dry-type transformer, such as Figure 1-4 As shown, the transformer coil and the segmented dry-type transformer include a transformer body 1, an iron core 2 arranged inside the transformer body 1, a clamp 3 fixedly arranged on the top of the transformer body 1, a mounting seat 4 fixedly installed at the bottom of the transformer body 1, and a split structure 6 arranged on the mounting seat 4, the split structure 6 includes a card box 61 symmetrically arranged on the side of the mounting seat 4 and a card plate 62 adapted to the card box 61, a socket 63 opened on the top of the card box 61 and the card plate 62, a plug rod 64 inserted in the socket 63, and an adjusting rod 65 fixedly installed on the side of the plug rod 64 away from the card box 61, and a reset component 66 is arranged at the bottom of the plug rod 64.

[0028] When in use, the transformer body 1 is first assembled and fixed with the iron core 2, the clamp 3 and the mounting seat 4. At this time, in order to avoid the existing segmented dry-type transformers, most of the transformers are assembled by using fixing screws during the installation process. During the assembly process, since the position of the screws is relatively hidden, when one of the transformers is damaged and needs to be replaced, it may cause inconvenience in disassembly. The mounting seat 4 can be disassembled by using the disassembly structure 6 to complete the disassembly of the transformer body 1, which is convenient for maintenance and assembly. By moving the adjusting rod 65 to move the adjusting rod 65 in a direction away from the side of the socket 63, the plug rod 64 is moved out of the socket 63, so that the card plate 62 can be slidably connected in the card box 61, so as to facilitate the splicing process.

[0029] Specifically, the reset component 66 includes an installation box 662 fixedly installed at a position below the card box 61 corresponding to the mounting seat 4, a telescopic rod fixedly arranged at the bottom of the plug rod 64 and located inside the installation box 662, and a telescopic spring 661 sleeved on the telescopic rod, and the two ends of the telescopic spring 661 are respectively fixedly connected to the plug rod 64 and the bottom of the installation box 662; after the card plate 62 and the card box 61 are assembled, the plug rod 64 can be reset by the reset component 66 to achieve the fixation of the card plate 62 and the card box 61, and by loosening the adjustment rod 65, the telescopic spring 661 and the telescopic rod are used to drive the plug rod 64 to slide and insert it in the socket 63, thereby achieving the fixation of the card box 61 and the card plate 62, and achieving the fixation of the two mounting seats 4, that is, achieving the separation of the two transformers.

[0030] In order to prevent the adjusting rod 65 from being obstructed during adjustment, a slide groove 663 is provided in the installation box 662 at the position corresponding to the telescopic rod, and the adjusting rod 65 is slidably connected in the slide groove 663. A heat dissipation fan 5 is fixedly installed on the top of the mounting seat 4. The heat dissipation fan 5 can slide through the slide groove 663 to facilitate heat dissipation.

[0031] Furthermore, the transformer coil includes a low-voltage coil and a high-voltage coil used in a segmented dry-type transformer, and both the low-voltage coil and the high-voltage coil are wound on the iron core 2; the interior of the transformer is composed of a low-voltage coil and a high-voltage coil.

[0032] 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 field of technology within the technical scope disclosed by the present invention can make equivalent substitutions or changes based on the technical scheme and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A segmented dry-type transformer, comprising a transformer body (1), an iron core (2) arranged inside the transformer body (1), a clamp (3) fixedly arranged on the top of the transformer body (1), a mounting seat (4) fixedly mounted on the bottom of the transformer body (1), and a splitting structure (6) arranged on the mounting seat (4); Features: The split structure (6) comprises a card box (61) symmetrically arranged on the side of the mounting seat (4) and a card plate (62) adapted to the card box (61), a plug hole (63) provided on the top of the card box (61) and the card plate (62), an insertion rod (64) inserted into the insertion hole (63), and an adjustment rod (65) fixedly mounted on the side of the insertion rod (64) away from the card box (61).

2. The segmented dry-type transformer according to claim 1, characterized in that: A reset assembly (66) is provided at the bottom of the insertion rod (64).

3. The segmented dry-type transformer according to claim 2, characterized in that: The reset assembly (66) comprises a mounting box (662) fixedly mounted at a position below the mounting seat (4) corresponding to the card box (61), a telescopic rod fixedly arranged at the bottom of the insertion rod (64) and located inside the mounting box (662), and a telescopic spring (661) sleeved on the telescopic rod, wherein the two ends of the telescopic spring (661) are respectively fixedly connected to the insertion rod (64) and the bottom of the mounting box (662).

4. The segmented dry-type transformer according to claim 3 is characterized in that: A slide groove (663) is provided in the installation box (662) at a position corresponding to the telescopic rod, and the adjustment rod (65) is slidably connected in the slide groove (663).

5. The segmented dry-type transformer according to claim 1, characterized in that: A heat dissipation fan (5) is fixedly mounted on the top of the mounting seat (4).

6. A transformer coil, characterized in that: The transformer coil comprises a low-voltage coil and a high-voltage coil used on a segmented dry-type transformer as described in any one of claims 1 to 5, and both the low-voltage coil and the high-voltage coil are wound on the iron core (2).

Images