Modularized double-winding transformer

Abstract

The utility model relates to the technical field of modularized transformers, and discloses a modularized double-winding transformer which comprises a supporting mechanism, an iron core is fixedly installed on the upper side of the supporting mechanism, a clamping block is arranged at the upper end of the iron core, a clamping groove matched with the clamping block is formed in one side of the iron core, and assembling holes are formed in the clamping block and the clamping groove. The wedge block is fixedly installed in the assembly hole and is in wedged connection with the iron core through the assembly hole, an assembly groove is formed in the top of the iron core, and an assembly fixing block is fixedly installed in the assembly groove. The clamping block on the first core column can slide in the clamping groove of the second core column, so that the first core column is driven to slide, the clamping block and the clamping groove are used in cooperation, the first core column is disassembled, the assembling grooves formed in the second core column and the third core column are used in cooperation with the assembling and fixing blocks, and the assembling and fixing effects of the first core column and the third core column are achieved. Therefore, the second core column and the third core column are disassembled, and the problem that an existing transformer iron core is inconvenient to disassemble and replace is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of modular transformers, in particular to a modular double-winding transformer. Background Technique

[0002] The modular double-winding transformer is a new type of transformer structure, which has the characteristics of light weight, time-saving and labor-saving, high quality, etc. Compared with the traditional transformer, the modular double-winding transformer is easy to disassemble, has a low cost, and can be recycled. It is often used in outdoor streets and industrial buildings. With the continuous development of technology, the development trend of the modular double-winding transformer is also more and more inclined to the direction of diversification.

[0003] The existing transformers mainly have the following technical defects: The existing transformers are devices that change the AC voltage through the cooperation between the low-voltage winding, the high-voltage winding and the iron core, based on the principle of electromagnetic induction. However, during long-term operation, various problems may occur in the internal components, and then the components need to be replaced. However, the existing iron core cannot be disassembled, and often the entire internal components need to be replaced, which is not only very troublesome to operate, but also greatly increases the economic cost. Summary of the Invention

[0004] The purpose of the utility model is to provide a modular double-winding transformer to solve the problems put forward in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A modular double-winding transformer, including a support mechanism, on the upper side of which an iron core is fixedly installed, outside which a winding mechanism is sleeved, at the top of which a top fixing frame is fixedly connected, and on both sides of which evenly distributed silicon steel sheets are fixedly installed. It is characterized in that: the iron core includes an assembly fixing block, a positioning rod, an assembly hole and a wedge block. There is a positioning rod inside the iron core, a clamping block is arranged at the upper end of the iron core, a clamping groove adapted to the clamping block is arranged on one side of the iron core, an assembly hole is arranged inside the clamping block and the clamping groove, the wedge block is fixedly installed inside the assembly hole and is wedge-connected with the iron core through the assembly hole, an assembly groove is arranged at the top of the iron core, and an assembly fixing block is fixedly installed inside the assembly groove.

[0006] Further, the iron core further includes a first core column, a second core column, a third core column and a tightening nut. A first core column is fixedly installed on one side of the top of the support mechanism, a second core column is fixedly connected to the upper side of the first core column, a third core column is fixedly installed at the center position of the bottom of the second core column, and a tightening nut is threadedly connected to the top of the positioning rod.

[0007] Furthermore, the support mechanism includes a support base, support blocks, adjustable fixing blocks, and tightening bolts. The bottom of the iron core is fixedly installed inside the support base. The two sides of the support base are fixedly installed with evenly distributed support blocks. A guide groove is provided at the top of the support block. An adjustable fixing block is provided between the top of the support block and the top of the adjacent support base. Tightening bolts are rotatably installed at both ends of the support base. The sliding grooves are provided on both sides inside the support base and are located below the tightening bolts.

[0008] Furthermore, the winding mechanism includes a low-voltage winding, a high-voltage winding, connection terminals, and connecting wires. The low-voltage winding is sleeved outside the iron core. The high-voltage winding is sleeved outside the low-voltage winding. Evenly distributed connection terminals are fixedly installed on the side of the high-voltage winding. The connecting wires respectively connect two connection terminals in a staggered manner.

[0009] Furthermore, the clamping blocks are symmetrically arranged up and down with respect to the first core column. The clamping grooves are symmetrically arranged left and right with respect to the second core column. The first core column is symmetrically arranged on the left and right sides with respect to the center of the third core column. The second core column is symmetrically arranged on the upper and lower sides with respect to the center of the third core column. The positioning rods are respectively arranged inside the first core column, the second core column, and the third core column.

[0010] Furthermore, a top fixing frame is fixedly installed at the top of the iron core. Tightening bolts are rotatably installed on both sides of the top fixing frame. Evenly distributed adjustable fixing blocks are provided between the bottom of the top fixing frame and the top of the winding mechanism.

[0011] Furthermore, the adjustable fixing block includes a fixed bottom block, a movable top block, a threaded rod, an adjusting handwheel, and a guide block. The fixed bottom block is arranged between the support base and the winding mechanism. One end of the threaded rod is rotatably installed inside the fixed bottom block. The other end of the threaded rod is rotatably installed inside the movable top block. An adjusting handwheel is provided on the outside of the movable top block and is rotatably connected to the threaded rod. A guide block is fixedly installed at the bottom of the movable top block. The movable top block is slidably connected to the support block through the guide block.

[0012] Furthermore, a slider is fixedly installed at the bottom left of the first core column. The slider is slidably connected to the support base through the sliding groove.

[0013] Compared with the prior art, the present utility model provides a modular double-winding transformer, which has the following beneficial effects:

[0014] 1. For this modular dual-winding transformer, the slider on the first core column slides within the internal slot of the second core column, thereby driving the first core column to slide. Then, through the cooperation of the wedge block with the slider and the assembly hole in the slot, the assembly and disassembly of the first core column are achieved. Further, through the cooperation of the assembly groove and the assembly fixing block provided on the second core column and the third core column, the assembly and disassembly of the second core column and the third core column are achieved, solving the problem that the iron core of the existing transformer is inconvenient to disassemble and replace.

[0015] 2. For this modular dual-winding transformer, through the rotational cooperation of the fixed bottom block and the internal threaded rod on the adjustable fixing block, the reciprocating movement of the movable top block is driven. Then, through the cooperation of the threaded rod and the adjusting handwheel, the vertical movement of the adjustable fixing block is realized, solving the problem that the shape of the existing fixing block is single and the size of the fixing block cannot be adjusted according to the actual winding width. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the present utility model;

[0017] Figure 2 It is a schematic diagram of the winding structure of the present utility model;

[0018] Figure 3 It is a schematic diagram of the iron core structure of the present utility model;

[0019] Figure 4 It is a schematic diagram of the support mechanism structure of the present utility model;

[0020] Figure 5 It is a schematic diagram of the adjustable fixing block structure of the present utility model.

[0021] In the figure: 1. Support mechanism; 11. Support base; 12. Support block; 13. Adjustable fixing block; 131. Fixed bottom block; 132. Movable top block; 133. Threaded rod; 134. Adjusting handwheel; 135. Guide block; 14. Tightening bolt; 15. Chute; 2. Winding mechanism; 21. Low-voltage winding; 22. High-voltage winding; 23. Terminal; 24. Connecting wire; 3. Iron core; 31. First core column; 311. Slide block; 312. Slider; 32. Second core column; 321. Assembly groove; 322. Slot; 33. Third core column; 34. Tightening nut; 35. Assembly fixing block; 36. Positioning rod; 37. Assembly hole; 38. Wedge block; 4. Top fixing frame; 5. Silicon steel sheet. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0023] Please refer to Figures 1 - 5 , a modular dual-winding transformer, including a support mechanism 1. A iron core 3 is fixedly installed on the upper side of the support mechanism 1. A winding mechanism 2 is sleeved outside the iron core 3. A top fixing frame 4 is fixedly connected to the top of the winding mechanism 2. Uniformly distributed silicon steel sheets 5 are fixedly installed on both sides of the iron core 3. It is characterized in that: the iron core 3 includes an assembly fixing block 35, a positioning rod 36, an assembly hole 37 and a wedge block 38. A positioning rod 36 is arranged inside the iron core 3. A clamping block 312 is arranged at the upper end of the iron core 3. A clamping groove 322 adapted to the clamping block 312 is arranged on one side of the iron core 3. Assembly holes 37 are arranged inside the clamping block 312 and the clamping groove 322. The wedge block 38 is fixedly installed inside the assembly hole 37 and is wedge-connected to the iron core 3 through the assembly hole 37. An assembly groove 321 is arranged at the top of the iron core 3, and an assembly fixing block 35 is fixedly installed inside the assembly groove 321.

[0024] Furthermore, the iron core 3 further includes a first core column 31, a second core column 32, a third core column 33 and a tightening nut 34. A first core column 31 is fixedly installed on one side of the top of the support mechanism 1. A second core column 32 is fixedly connected to the upper side of the first core column 31. A third core column 33 is fixedly installed at the center position of the bottom of the second core column 32. The top of the positioning rod 36 is threadedly connected with a tightening nut 34.

[0025] Furthermore, the support mechanism 1 includes a support base 11, support blocks 12, adjustable fixing blocks 13 and tightening bolts 14. The bottom of the iron core 3 is fixedly installed inside the support base 11. Uniformly distributed support blocks 12 are fixedly installed on both sides of the support base 11. A guide groove is arranged at the top of the support block 12. Adjustable fixing blocks 13 are arranged between the top of the support block 12 and the top of the adjacent support base 11. Tightening bolts 14 are rotatably installed at both ends of the support base 11. Chute 15 is arranged on both sides inside the support base 11, and the chute 15 is located below the tightening bolts 14.

[0026] Furthermore, the winding mechanism 2 includes a low-voltage winding 21, a high-voltage winding 22, terminal blocks 23 and connecting wires. The low-voltage winding 21 is sleeved outside the iron core 3. The high-voltage winding 22 is sleeved outside the low-voltage winding 21. Uniformly distributed terminal blocks 23 are fixedly installed on the side of the high-voltage winding 22. The connecting wires 24 are respectively and cross-connected to the two terminal blocks 23.

[0027] Further, the clamping blocks 312 are symmetrically arranged up and down with respect to the first core column 31, the clamping grooves 322 are symmetrically arranged left and right with respect to the second core column, the first core column 31 is symmetrically arranged on the left and right sides with respect to the third core column 33 in a central symmetry manner, the second core column 32 is symmetrically arranged on the upper and lower sides with respect to the third core column 33 in a central symmetry manner, the positioning rods 36 are respectively arranged inside the first core column 31, the second core column 32 and the third core column 33, and the positioning rods 36 cooperate with the tightening nuts 34 to fix and support the silicon steel sheets 5.

[0028] Further, a top fixing frame 4 is fixedly installed at the top of the iron core 3, tightening bolts 14 are rotatably installed on both sides of the top fixing frame 4, and evenly distributed adjustable fixing blocks 13 are provided between the bottom of the top fixing frame 4 and the top of the winding mechanism 2 to support the top fixing frame 4 and the fixed winding mechanism 2.

[0029] Further, the adjustable fixing block 13 includes a fixed bottom block 131, a movable top block 132, a threaded rod 133, an adjusting handwheel 134 and a guiding block 135. The fixed bottom block 131 is arranged between the support seat 11 and the winding mechanism 2. One end of the threaded rod 133 is rotatably installed inside the fixed bottom block 131, and the other end of the threaded rod 133 is rotatably installed inside the movable top block 132. An adjusting handwheel 134 is provided on the outer side of the movable top block 132 and is rotatably connected to the threaded rod 133. A guiding block 135 is fixedly installed at the bottom of the movable top block 132, and the movable top block 132 is slidably connected to the support block 12 through the guiding block 135. By using the cooperation of the components of the adjustable fixing block, the fixing of windings of different sizes is achieved.

[0030] Further, a slider 311 is fixedly installed at the bottom left of the first core column 31. The slider 311 is slidably connected to the support seat 11 through a chute 15. By using the cooperation of the slider 311 and the chute 15, the first core column is convenient for assembly and disassembly.

[0031] The specific usage method and function of this embodiment:

[0032] In use, first, the installer assembles the support mechanism 1, the winding mechanism 2, the iron core 3, the top fixing frame 4, and the silicon steel sheet 5. The first core column 31 and the second core column 32 are assembled and then fixed using the wedge block 38. The second core column 32 and the third core column 33 are fixed using the assembly fixing block 35. Then, the silicon steel sheet 5 is installed on the positioning rod on the core column, and then the tightening nut 34 is used for fastening. Finally, the assembled iron core 3 is placed on the support seat 11, and the adjustable fixing block 13 is used to fix the winding mechanism 2. Then, the top fixing frame 4 is installed, and the adjustable fixing block 13 is used for support and further fixing of the winding mechanism 2. The sliding block on the first core column slides inside the card slot of the second core column, thereby driving the first core column to slide. Then, through the cooperation of the wedge block with the card block and the assembly hole in the card slot, the assembly and disassembly of the first core column are achieved. Further, through the cooperation of the assembly groove provided on the second core column and the third core column with the assembly fixing block, the assembly and disassembly of the second core column and the third core column are achieved.

[0033] Due to modularization, it can operate separately, making it have the advantages of small transportation volume, convenient transportation, and easy assembly. After assembly is completed, it can be put into use at the designated location.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modular double-winding transformer, comprising a support mechanism (1), on the upper side of the support mechanism (1) is fixedly installed an iron core (3), outside the iron core (3) is sleeved a winding mechanism (2), at the top of the winding mechanism (2) is fixedly connected a top fixing frame (4), on both sides of the iron core (3) are fixedly installed evenly distributed silicon steel sheets (5), characterized in that: The iron core (3) includes an assembly fixing block (35), a positioning rod (36), an assembly hole (37), and a wedge block (38). The positioning rod (36) is arranged inside the iron core (3). A clamping block (312) is arranged at the upper end of the iron core (3). A clamping groove (322) adapted to the clamping block (312) is arranged on one side of the iron core (3). An assembly hole (37) is arranged inside the clamping block (312) and the clamping groove (322). The wedge block (38) is fixedly installed inside the assembly hole (37) and is wedge-connected to the iron core (3) through the assembly hole (37). An assembly groove (321) is arranged at the top of the iron core (3), and the assembly fixing block (35) is fixedly installed inside the assembly groove (321).

2. The modular dual-winding transformer according to claim 1, characterized in that: The iron core (3) further includes a first core column (31), a second core column (32), a third core column (33), and a tightening nut (34). The first core column (31) is fixedly installed on one side of the top of the support mechanism (1). The second core column (32) is fixedly connected to the upper side of the first core column (31). The third core column (33) is fixedly installed at the center position of the bottom of the second core column (32). The tightening nut (34) is threadedly connected to the top of the positioning rod (36).

3. A modular dual-winding transformer according to claim 1, characterized in that: The support mechanism (1) includes a support base (11), support blocks (12), adjustable fixing blocks (13), and tightening bolts (14). The bottom of the iron core (3) is fixedly installed inside the support base (11). Support blocks (12) evenly distributed are fixedly installed on both sides of the support base (11). A guiding groove is arranged at the top of the support block (12). Adjustable fixing blocks (13) are arranged between the top of the support block (12) and the top of the adjacent support base (11). Tightening bolts (14) are rotatably installed at both ends of the support base (11). Chute grooves (15) are arranged on both sides inside the support base (11), and the chute grooves (15) are located below the tightening bolts (14).

4. A modular dual-winding transformer according to claim 1, characterized in that: The winding mechanism (2) includes a low-voltage winding (21), a high-voltage winding (22), terminal blocks (23), and connecting wires (24). The low-voltage winding (21) is sleeved outside the iron core (3). The high-voltage winding (22) is sleeved outside the low-voltage winding (21). Terminal blocks (23) evenly distributed are fixedly installed on the side of the high-voltage winding (22). The connecting wires (24) staggeredly connect two terminal blocks (23) respectively.

5. A modular dual-winding transformer according to claim 1, characterized in that: The clamping blocks (312) are symmetrically arranged up and down with respect to the first core column (31). The clamping grooves (322) are symmetrically arranged left and right with respect to the second core column (32). The first core columns (31) are symmetrically arranged on the left and right sides with respect to the center of the third core column (33). The second core columns (32) are symmetrically arranged on the upper and lower sides with respect to the center of the third core column (33). The positioning rods (36) are respectively arranged inside the first core column (31), the second core column (32), and the third core column (33).

6. The modular dual-winding transformer according to claim 1, wherein: A top fixing frame (4) is fixedly installed at the top of the iron core (3). Tightening bolts (14) are rotatably installed on both sides of the top fixing frame (4). Adjustable fixing blocks (13) with uniform distribution are provided between the bottom of the top fixing frame (4) and the top of the winding mechanism (2).

7. A modular dual-winding transformer according to claim 3, characterized in that: The adjustable fixing block (13) includes a fixed bottom block (131), a movable top block (132), a threaded rod (133), an adjusting handwheel (134) and a guiding block (135). The fixed bottom block (131) is arranged between the support base (11) and the winding mechanism (2). One end of the threaded rod (133) is rotatably installed inside the fixed bottom block (131), and the other end of the threaded rod (133) is rotatably installed inside the movable top block (132). An adjusting handwheel (134) is arranged on the outer side of the movable top block (132) and is rotatably connected to the threaded rod (133). A guiding block (135) is fixedly installed at the bottom of the movable top block (132). The movable top block (132) is slidably connected to the support block (12) through the guiding block (135).

8. The modular dual-winding transformer according to claim 2, wherein: A slider (311) is fixedly installed at the bottom left of the first core column (31). The slider (311) is slidably connected to the support base (11) through a chute (15).

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