High-power transformer structure of charging pile

Abstract

The utility model discloses a charging pile high-power transformer structure which comprises an upper iron core frame and a lower iron core frame, a lower central column extending upwards is formed in the middle of the bottom of the lower iron core frame, the upper iron core frame is located over the lower iron core frame, an upper central column extending downwards is formed in the middle of the upper portion of the upper iron core frame, and a lower central column extending downwards is formed in the middle of the lower portion of the upper iron core frame. The bottom surface of the upper central column is pressed against the top surface of the lower central column; a first primary winding and a first secondary winding are inserted in the upper portion of the upper center column in a sleeved mode, and a second primary winding and a second secondary winding are inserted in the lower center column in a sleeved mode. The transformer is provided with a first primary winding, a second primary winding, a first secondary winding and a second secondary winding, namely, the transformer is provided with four coils, the power provided by the transformer can be increased, and the first primary winding, the second primary winding, the first secondary winding and the second secondary winding can be inserted and sleeved on a corresponding upper central column or a corresponding lower central column after being wound. Installation is convenient, and installation and production efficiency is greatly improved.

Description

Technical field:

[0001] The utility model relates to the technical field of transformers, and more specifically to a high-power transformer structure for a charging pile. Background technology:

[0002] Usually, the driving voltage requirement of electronic devices is low, but the voltage provided by the external power supply is still high, so a transformer is used to convert the power supply voltage to the voltage required by the electronic device. The transformer includes a first and a second coil for converting voltage, and the first and second coils are wound and fixed on the transformer frame; however, the power of such a transformer is limited and the effect is not ideal.

[0003] Moreover, the existing coil needs to be gradually wound into the iron core, which is inefficient and troublesome to manufacture. Utility model content:

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a high-power transformer structure for a charging pile, which is composed of a first primary winding, a second primary winding, a first secondary winding and a second secondary winding, that is, it has four coils, and the power it can provide becomes larger, and the first primary winding, the second primary winding, the first secondary winding and the second secondary winding can be wound and then inserted into the corresponding upper center column or lower center column, which is easy to install and greatly improves the installation production efficiency.

[0005] The solution of the utility model to solve the technical problem is:

[0006] A charging pile high-power transformer structure, comprising an upper core frame and a lower core frame, wherein a lower center column extending upward is formed in the middle of the bottom of the lower core frame, the upper core frame is located directly above the lower core frame, an upper center column extending downward is formed in the middle of the upper part of the upper core frame, and the bottom surface of the upper center column is pressed against the top surface of the lower center column;

[0007] The upper plug sleeve of the upper center column has a first primary winding and a first secondary winding, and the plug sleeve of the lower center column has a second primary winding and a second secondary winding. The first primary winding, the second primary winding, the first secondary winding and the second secondary winding can be wound and then plugged into the corresponding upper center column or lower center column, which is convenient to install and greatly improves the installation production efficiency.

[0008] The upper core frame and the lower core frame each include a transverse block, the left and right parts of the bottom surface of the transverse block of the upper core frame are formed with an upper vertical part extending downward, and the middle part of the bottom surface of the transverse block of the upper core frame is formed with an upper center column;

[0009] The left and right parts of the top surface of the transverse block of the lower core frame are both formed with lower vertical parts extending upward, and the middle part of the top surface of the transverse block of the lower core frame is formed with a lower center column extending upward, the bottom surface of the upper vertical part is pressed against the top surface of the corresponding lower vertical part, and the bottom surface of the upper center column is pressed against the top surface of the lower center column.

[0010] The upper center column is sleeved with a first insulating sheet, a second insulating sheet, a first primary winding and a first secondary winding;

[0011] The top surface of the first insulating sheet is pressed against the bottom surface of the transverse block of the upper core frame, the top surface of the first primary winding is pressed against the bottom surface of the first insulating sheet, the bottom surface of the first primary winding is pressed against the top surface of the second insulating sheet, the bottom surface of the second insulating sheet is pressed against the top surface of the first secondary winding, and the bottom surface of the first secondary winding is pressed against the top surface of the third insulating sheet;

[0012] A second primary winding, a second secondary winding, a fourth insulating sheet and a fifth insulating sheet are inserted into the lower center column. The bottom surface of the second secondary winding is pressed against the top surface of the fifth insulating sheet, the bottom surface of the fifth insulating sheet is pressed against the top surface of the transverse block of the lower core frame, the bottom surface of the fourth insulating sheet is pressed against the top surface of the second secondary winding, the bottom surface of the second primary winding is pressed against the top surface of the fourth insulating sheet, the bottom surface of the third insulating sheet is pressed against the top surface of the second primary winding, and the third insulating sheet is inserted into the upper center column or the lower center column.

[0013] The outstanding effects of the utility model are:

[0014] It is composed of a first primary winding, a second primary winding, a first secondary winding and a second secondary winding, that is, it has four coils, and the power it can provide becomes larger. Moreover, the first primary winding, the second primary winding, the first secondary winding and the second secondary winding can be wound and then inserted into the corresponding upper center column or lower center column. It is easy to install and greatly improves the installation production efficiency. Description of the drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 yes Figure 1 Schematic diagram of the angle-changing local structure;

[0017] Figure 3 yes Figure 1 Another schematic diagram of an angle-changing structure;

[0018] Figure 4 It is a partial cross-sectional view of the utility model without the first primary winding, the first secondary winding, the second primary winding and the second secondary winding. Specific implementation method:

[0019] For example, see Figures 1 to 4 As shown, a charging pile high-power transformer structure includes an upper core frame 10 and a lower core frame 20, wherein the upper core frame 10 and the lower core frame 20 both include a transverse block 12, and the left and right parts of the bottom surface of the transverse block 12 of the upper core frame 10 are formed with an upper vertical portion 13 extending downward, and the middle part of the bottom surface of the transverse block 12 of the upper core frame 10 is formed with an upper center column 11;

[0020] The left and right parts of the top surface of the transverse block 12 of the lower core frame 20 are both formed with a lower vertical portion 22 extending upward, and the middle part of the top surface of the transverse block 12 of the lower core frame 20 is formed with a lower center column 21 extending upward, the bottom surface of the upper vertical portion 13 is pressed against the top surface of the corresponding lower vertical portion 22, and the bottom surface of the upper center column 11 is pressed against the top surface of the lower center column 21.

[0021] Furthermore, the upper center column 11 is sleeved with a first insulating sheet 5, a second insulating sheet 6, a first primary winding 1 and a first secondary winding 2;

[0022] The top surface of the first insulating sheet 5 is pressed against the bottom surface of the transverse block 12 of the upper core frame 10, the top surface of the first primary winding 1 is pressed against the bottom surface of the first insulating sheet 5, the bottom surface of the first primary winding 1 is pressed against the top surface of the second insulating sheet 6, the bottom surface of the second insulating sheet 6 is pressed against the top surface of the first secondary winding 2, and the bottom surface of the first secondary winding 2 is pressed against the top surface of the third insulating sheet 7;

[0023] The second primary winding 3, the second secondary winding 4, the fourth insulating sheet 8 and the fifth insulating sheet 9 are inserted into the lower center column 21. The bottom surface of the second secondary winding 4 is pressed against the top surface of the fifth insulating sheet 9, the bottom surface of the fifth insulating sheet 9 is pressed against the top surface of the transverse block 12 of the lower core frame 20, the bottom surface of the fourth insulating sheet 8 is pressed against the top surface of the second secondary winding 4, the bottom surface of the second primary winding 3 is pressed against the top surface of the fourth insulating sheet 8, the bottom surface of the third insulating sheet 7 is pressed against the top surface of the second primary winding 3, and the third insulating sheet 7 is inserted into the upper center column 11 or the lower center column 21.

[0024] By adopting this structure, during installation, the first primary winding 1, the first secondary winding 2, the second primary winding 3 and the second secondary winding 4 can be wound first, and then the first primary winding 1, the first secondary winding 2, the second primary winding 3, the second secondary winding 4, the first insulating sheet 5, the second insulating sheet 6, the third insulating sheet 7, the fourth insulating sheet 8 and the fifth insulating sheet 9 can be inserted into the corresponding upper center column 11 or the lower center column 21 to complete the installation. The installation is simple and the manufacturing is convenient.

[0025] Furthermore, the outer walls of the upper core frame 10 and the lower core frame 20 are fixed by an insulating tape 30. The tape 30 is wound and tied along the outer wall surfaces of the upper core frame 10 and the lower core frame 20 to fix them.

[0026] The adhesive tape 30 enables the upper core frame 10 and the lower core frame 20 to be firmly fixed.

[0027] Furthermore, the first primary winding 1 , the first secondary winding 2 , the second primary winding 3 and the second secondary winding 4 are all wound from a flat strip.

[0028] The two end strips of the first primary winding 1 and the second primary winding 3 extend out of the first primary winding 1 and the second primary winding 3 and are fixed to form a first connecting portion 100 and a second connecting portion 200;

[0029] The two end strips of the first secondary winding 2 and the second secondary winding 4 extend out of the first secondary winding 2 and the second secondary winding 4 and are fixed to form a third connecting portion 300 and a fourth connecting portion 400 .

[0030] A lower insulating machine base plate 500 is provided below the lower core frame 20. The lower core frame 20 faces the middle through slot of the lower insulating machine base plate 500. The bottom ends of the first connection part 100 and the second connection part 200 extend out of the bottom ends of the corresponding through holes of one side plate of the lower insulating machine base plate 500. The bottom ends of the third connection part 300 and the fourth connection part 400 extend out of the bottom ends of the corresponding through holes of the other side plate of the lower insulating machine base plate 500. The lower insulating machine base plate 500 can be fixed on the mounting seat below, and the middle part of the top surface of the mounting seat can be fixed with a connecting block extending upward, and the bottom surface of the lower core frame 20 can be installed on the top surface of the connecting block. These are all conventional structures and will not be described in detail here.

[0031] This embodiment is composed of a first primary winding 1, a first secondary winding 2, a second primary winding 3 and a second secondary winding 4, so that its power is greatly improved.

[0032] Moreover, the first primary winding 1, the first secondary winding 2, the second primary winding 3 and the second secondary winding 4 are all wound by flat copper strips, and the cross-sectional area thereof is ensured, the winding is tight, and the space occupied is small.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A high-power transformer structure for a charging pile, characterized in that: It comprises an upper core frame (10) and a lower core frame (20), wherein a lower center column (21) extending upward is formed in the middle of the bottom of the lower core frame (20), the upper core frame (10) is located directly above the lower core frame (20), and an upper center column (11) extending downward is formed in the middle of the upper part of the upper core frame (10), and the bottom surface of the upper center column (11) is pressed against the top surface of the lower center column (21); The upper sleeve of the upper central column (11) has a first primary winding (1) and a first secondary winding (2), and the middle sleeve of the lower central column (21) has a second primary winding (3) and a second secondary winding (4).

2. A charging pile high-power transformer structure according to claim 1, characterized in that: The upper core frame (10) and the lower core frame (20) both include a transverse block (12), the left and right parts of the bottom surface of the transverse block (12) of the upper core frame (10) are formed with an upper vertical part (13) extending downward, and the middle part of the bottom surface of the transverse block (12) of the upper core frame (10) is formed with an upper center column (11); The left and right parts of the top surface of the transverse block (12) of the lower core frame (20) are both formed with a lower vertical part (22) extending upward, and the middle part of the top surface of the transverse block (12) of the lower core frame (20) is formed with a lower center column (21) extending upward, the bottom surface of the upper vertical part (13) is pressed against the top surface of the corresponding lower vertical part (22), and the bottom surface of the upper center column (11) is pressed against the top surface of the lower center column (21).

3. A charging pile high-power transformer structure according to claim 2, characterized in that: The upper central column (11) is sleeved with a first insulating sheet (5), a second insulating sheet (6), a first primary winding (1) and a first secondary winding (2); The top surface of the first insulating sheet (5) is pressed against the bottom surface of the transverse block (12) of the upper core frame (10), the top surface of the first primary winding (1) is pressed against the bottom surface of the first insulating sheet (5), the bottom surface of the first primary winding (1) is pressed against the top surface of the second insulating sheet (6), the bottom surface of the second insulating sheet (6) is pressed against the top surface of the first secondary winding (2), and the bottom surface of the first secondary winding (2) is pressed against the top surface of the third insulating sheet (7); A second primary winding (3), a second secondary winding (4), a fourth insulating sheet (8) and a fifth insulating sheet (9) are inserted and sleeved on the lower central column (21); the bottom surface of the second secondary winding (4) is pressed against the top surface of the fifth insulating sheet (9); the bottom surface of the fifth insulating sheet (9) is pressed against the top surface of the transverse block (12) of the lower core frame (20); the bottom surface of the fourth insulating sheet (8) is pressed against the top surface of the second secondary winding (4); the bottom surface of the second primary winding (3) is pressed against the top surface of the fourth insulating sheet (8); the bottom surface of the third insulating sheet (7) is pressed against the top surface of the second primary winding (3); and the third insulating sheet (7) is inserted and sleeved in the upper central column (11) or the lower central column (21).

4. A charging pile high-power transformer structure according to claim 1, characterized in that: The upper core frame (10) and the lower core frame (20) are fixed by means of an adhesive tape (30).

5. A charging pile high-power transformer structure according to claim 1, characterized in that: The first primary winding (1), the first secondary winding (2), the second primary winding (3) and the second secondary winding (4) are all wound from a flat strip.

6. A charging pile high-power transformer structure according to claim 5, characterized in that: The two end strips of the first primary winding (1) and the second primary winding (3) extend out of the first primary winding (1) and the second primary winding (3) and are fixed to form a first connecting portion (100) and a second connecting portion (200); The two end bands of the first secondary winding (2) and the second secondary winding (4) extend out of the first secondary winding (2) and the second secondary winding (4) and are fixed to form a third connecting portion (300) and a fourth connecting portion (400).

7. A charging pile high-power transformer structure according to claim 6, characterized in that: A lower insulating machine base plate (500) is provided below the lower core frame (20), the bottom ends of the first connecting portion (100) and the second connecting portion (200) extend out of the bottom ends of corresponding through holes of one side plate of the lower insulating machine base plate (500), and the bottom ends of the third connecting portion (300) and the fourth connecting portion (400) extend out of the bottom ends of corresponding through holes of the other side plate of the lower insulating machine base plate (500).

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