High voltage transformer with new insulation structure

Abstract

The utility model relates to the technical field of insulating transformers, and discloses a novel insulating structure high-voltage transformer, including an I-type silicon steel block, a primary insulating coil, a leakage magnet sheet combination, a high-voltage wire winding, a secondary insulating coil, and an E-type silicon steel block. The primary insulating coil, the leakage magnet sheet combination, the high-voltage wire winding, and the secondary insulating coil are sequentially arranged between the I-type silicon steel block and the E-type silicon steel block. The primary insulating coil includes a primary coil, and mica paper and polyester film coated outside the primary coil. The secondary insulating coil includes a secondary coil, and mica paper and polyester film coated outside the primary coil. The outside of the device coil is coated with mica paper and polyester film as an insulating layer. Compared with the existing aramid paper, the use of mica paper has lower cost, and the mica paper has good heat dissipation and low heat generation during use, which reduces the volume of the overall device. In addition, the polyester film is coated on the outside of the mica paper to avoid the mica paper from breaking and extend the service life.

Description

Technical Field

[0001] The utility model relates to the field of insulating transformers, in particular to a high-voltage transformer with a novel insulating structure. Background Art

[0002] The coils in the existing high-voltage transformers are generally wrapped with aramid paper for insulation. The cost of using aramid paper is high, and the transformer has poor heat dissipation and high heat generation during use. In order to improve heat dissipation efficiency, the device is made larger, which increases production costs.

[0003] The patent application with publication number CN1286132C discloses a high voltage transformer, including a core, an output terminal and an insulating member. The core is surrounded by a coil to increase the AC voltage and is grounded. The output terminal outputs the voltage increased by the plurality of coils. The insulating member is arranged between the output terminal and the core.

[0004] The prior art does not use mica paper as an insulating material, the device generates high heat, and the heat dissipation performance needs to be improved.

[0005] Therefore, a new technical solution is needed to solve the above technical problems. Utility Model Content

[0006] The utility model aims to provide a high-voltage transformer with a novel insulation structure.

[0007] The technical solution adopted by the utility model is:

[0008] A novel high-voltage transformer with an insulating structure comprises an I-type silicon steel block, a primary insulating coil, a leakage magnet sheet assembly, a high-voltage wire winding, a secondary insulating coil, and an E-type silicon steel block. The primary insulating coil, the leakage magnet sheet assembly, the high-voltage wire winding, and the secondary insulating coil are sequentially arranged between the I-type silicon steel block and the E-type silicon steel block. The primary insulating coil comprises a primary coil, and mica paper and polyester film wrapped outside the primary coil. The secondary insulating coil comprises a secondary coil, and mica paper and polyester film wrapped outside the primary coil.

[0009] By adopting the above structure, the primary coil and the secondary coil are both coated with mica paper and polyester film as an insulating layer. Compared with the currently used aramid paper, the use of mica paper has lower cost, and the mica paper has good heat dissipation and low heat generation during use. The device as a whole can reduce the use of silicon steel sheets and the volume of the entire device. In addition, coating the polyester film on the outside of the mica paper can prevent the mica paper from breaking, and the insulation effect is better and the service life is longer.

[0010] Preferably, the mica papers covering the primary coil and the secondary coil are connected at the bottom of the coils.

[0011] By adopting the above structure, the mica paper is connected at the bottom of the coil, which can reduce the amount of wear compared to placing the connection at the side.

[0012] Preferably, the mica paper covering the primary coil and the secondary coil has two overlapping layers at the bottom of the coil.

[0013] By adopting the above structure, two layers are stacked at the bottom, and the connection structure at the bottom of the coil is more stable.

[0014] Preferably, the primary insulating coil is arranged in contact with the I-type silicon steel block.

[0015] By adopting the above structure, the device structure is more solid and has good stability.

[0016] Preferably, the E-shaped silicon steel block is welded from a plurality of identical E-shaped silicon steel sheets, and the welds are located at the bottom and the center of the top surface.

[0017] By adopting the above structure, the overall welding operation of the device is convenient and the appearance is beautiful.

[0018] Preferably, the I-type silicon steel block is welded by multiple identical I-shaped silicon steel sheets, and the weld is located on the top surface; the E-type silicon steel block and the I-type silicon steel block 1 are matched and welded up and down, and the weld is located at the external connection on both sides.

[0019] By adopting the above structure, the overall welding operation of the I-type silicon steel block is convenient, the appearance is beautiful, and the connection is welded and fixed on the outside, which is easy to operate.

[0020] Preferably, the bottom of the I-type silicon steel block is connected to a fixed connector.

[0021] By adopting the above structure, the device can be easily fixed on the external connecting piece, and the operation is convenient.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1. The utility model device is coated with mica paper and polyester film as an insulating layer outside the primary coil and the secondary coil. Compared with the existing aramid paper, the use of mica paper is lower in cost, and the mica paper has good heat dissipation and low heat generation during use. The device as a whole can reduce the use of silicon steel sheets and the volume of the overall device. In addition, the polyester film is coated on the outside of the mica paper to avoid the mica paper from breaking, so the insulation effect is better and the service life is longer.

[0024] 2. The utility model connects the mica paper at the bottom of the primary coil and the secondary coil, which can reduce the amount of wear compared to placing the connection at the side, and two layers are stacked at the bottom of the coil, so the connection structure at the bottom of the coil is more stable.

[0025] 3. The utility model device is provided with a leakage magnet sheet assembly between the primary insulating coil and the high-voltage conductor winding, so as to isolate the high and low voltages between the primary insulating coil and the secondary insulating coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Figure 1 It is a schematic diagram of the structure of the utility model;

[0028] Figure 2 For this utility model Figure 1 The structural diagram of the primary insulation coil at a;

[0029] Figure 3 For this utility model Figure 1 The structural diagram of the secondary insulation coil at b in the middle;

[0030] Figure 4 This is an exploded structural diagram of the utility model.

[0031] Among them: 1. I-type silicon steel block; 2. Primary insulating coil; 3. Leakage magnet sheet assembly; 4. Leakage magnet sheet assembly; 5. Secondary insulating coil; 6. E-type silicon steel block; 7. Primary coil; 8. Mica paper; 9. Polyester film; 10. Secondary coil; 11. Connecting fixtures. DETAILED DESCRIPTION

[0032] like Figure 1-4 As shown, a novel insulating structure high-voltage transformer comprises an I-type silicon steel block 1, a primary insulating coil 2, a leakage magnet sheet assembly 3, a high-voltage wire winding 4, a secondary insulating coil 5, and an E-type silicon steel block 6. The primary insulating coil 2, the leakage magnet sheet assembly 3, the high-voltage wire winding 4, and the secondary insulating coil 5 are sequentially arranged between the I-type silicon steel block 1 and the E-type silicon steel block 6. The primary insulating coil 2 is arranged in contact with the I-type silicon steel block 1. The primary insulating coil 2 comprises a primary coil 7, and mica paper 8 and polyester film 9 wrapped outside the primary coil 7. The secondary insulating coil 5 comprises a secondary coil 10, and mica paper 8 and polyester film 9 wrapped outside the primary coil 7. The device is coated with mica paper 8 and polyester film 9 as an insulating layer outside the primary coil 7 and the secondary coil 10. Compared with the existing aramid paper, the use of mica paper 8 is lower in cost, and the mica paper 8 has good heat dissipation and low heat generation during use. The device as a whole can reduce the use of silicon steel sheets and reduce the volume of the overall device. In addition, the polyester film 9 is coated on the outside of the mica paper 8 to prevent the mica paper 8 from breaking, and the insulation effect is better and the service life is longer. The device is provided with a leakage magnet sheet assembly 3 between the primary insulating coil 2 and the high-voltage wire winding 4, which is convenient for isolating the high and low voltages between the primary insulating coil 2 and the secondary insulating coil 5.

[0033] The mica paper 8 covering the primary coil 7 and the secondary coil 10 is connected at the bottom of the coil. The mica paper 8 covering the primary coil 7 and the secondary coil 10 is provided with two overlapping layers at the bottom of the coil. The mica paper 8 is connected at the bottom of the primary coil 7 and the secondary coil 10, which can reduce the amount of wear compared to placing the connection on the side, and the two overlapping layers at the bottom of the coil make the connection structure at the bottom of the coil more stable.

[0034] The E-type silicon steel block 6 is welded by a plurality of identical E-shaped silicon steel sheets, and the welds are located at the bottom and the center of the top surface. The overall welding operation of the device is convenient and the appearance is beautiful. The I-type silicon steel block 1 is welded by a plurality of identical I-shaped silicon steel sheets, and the welds are located at the top surface. The E-type silicon steel block 6 and the I-type silicon steel block 1 are welded up and down, and the welds are located at the external connections on both sides. The overall welding operation of the I-type silicon steel block 1 is convenient and the appearance is beautiful. The connection is welded and fixed on the outside, which is convenient to operate. The bottom of the I-type silicon steel block 1 is connected to a fixed connector 11. It is convenient for the device to be fixed on the external connector, and it is convenient to use and operate.

[0035] When assembling the device, first wrap the primary coil 7 and the secondary coil 10 with mica paper 6, and cover the outside with polyester film 9, then clamp the secondary insulating coil 5, the high-voltage wire winding 4, the leakage magnet sheet assembly 3, and the primary insulating coil 2 in the E-type silicon steel block 6 in sequence, then weld the I-type silicon steel block 1 and the E-type silicon steel block 4, and weld the fixed connecting piece 11 at the bottom of the I-type silicon steel block 1. After the device is assembled, it can be put into use.

[0036] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should be included in the protection scope determined by the claims of the present invention.

Claims

1. A new type of insulation structure high voltage transformer, comprising an I-type silicon steel block, a primary insulation coil, a leakage magnet sheet assembly, a high voltage conductor winding, a secondary insulation coil, and an E-type silicon steel block, characterized in that: The primary insulating coil, the leakage magnet sheet assembly, the high-voltage wire winding, and the secondary insulating coil are sequentially arranged between the I-type silicon steel block and the E-type silicon steel block. The primary insulating coil includes a primary coil, and mica paper and polyester film wrapped outside the primary coil. The secondary insulating coil includes a secondary coil, and mica paper and polyester film wrapped outside the primary coil.

2. The novel insulation structure high voltage transformer according to claim 1 is characterized in that: The mica papers coated on the primary coil and the secondary coil are connected at the bottom of the coil.

3. The novel insulation structure high voltage transformer according to claim 2 is characterized in that: The mica paper wrapped around the primary coil and the secondary coil has two overlapping layers at the bottom of the coil.

4. The novel insulation structure high voltage transformer according to claim 1 is characterized in that: The primary insulating coil is arranged in contact with the I-type silicon steel block.

5. The novel insulation structure high voltage transformer according to claim 1 is characterized in that: The E-shaped silicon steel block is welded from a plurality of identical E-shaped silicon steel sheets, and the welds are located at the bottom and the center of the top surface.

6. The novel insulation structure high voltage transformer according to claim 1 is characterized in that: The I-type silicon steel block is welded by multiple identical I-shaped silicon steel sheets, and the weld is located on the top surface. The E-type silicon steel block and the I-type silicon steel block are matched and welded up and down, and the weld is located at the external connection on both sides.

7. The novel insulation structure high voltage transformer according to claim 1 is characterized in that: The bottom of the I-type silicon steel block is connected to a fixed connecting piece.

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