Small-ripple low-noise E-type transformer

Abstract

The small-ripple low-noise E-type transformer comprises a framework, the framework is of an I-shaped structure, and an iron core penetrating hole is formed in the middle of the framework; the first E-shaped iron core is inserted into the upper end of the framework, the second E-shaped iron core is inserted into the lower end of the framework, and the middle of the first E-shaped iron core and the middle of the second E-shaped iron core are inserted into the iron core penetrating holes and then connected in an inserted mode. A primary coil is wound in the middle of the framework, and a secondary coil is wound on the outer side of the primary coil; an insulating sleeve is arranged between the primary coil and the secondary coil; a plurality of pins are vertically arranged on two sides of the lower end of the framework; a buffer seat is arranged between the pins, and the upper end of the buffer seat is connected with the lower end of the framework through a buffer rod. And fixed footings are arranged at the two ends of the buffer seat. According to the small-ripple low-noise E-type transformer, the ripple is smaller than 0.2 V, the noise in the using process can be remarkably reduced, and the using stability of the whole equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to an E-type transformer with small ripple and low noise. Background Art

[0002] With the continuous progress of society, transformers have been widely used in all walks of life. There are many types of transformers currently used in the market, and they are widely used in various occasions. E-type transformers are an important component. The current E-type transformers often have the following problems in actual use: the AC output part of the power supply, that is, the ripple is large, which will cause unstable operation of the equipment, and during long-term use, due to vibration factors, it will generate large noise, which brings great trouble to people's actual use. Summary of the invention

[0003] The technical problem to be solved by the utility model is: in order to solve the problems existing in the above-mentioned background technology, a small ripple and low noise E-type transformer is provided, the ripple of which is less than 0.2V, which can significantly reduce the noise during use, improve the use stability of the overall equipment, and facilitate wide promotion and use.

[0004] The utility model adopts the following technical scheme to solve the technical problems: a small ripple low noise E-type transformer, comprising a skeleton, the skeleton is in an I-shaped structure, and a core through hole is provided in the middle of the skeleton; a first E-shaped core is inserted into the upper end of the skeleton, and a second E-shaped core is inserted into the lower end of the skeleton, and the middle of the first E-shaped core and the middle of the second E-shaped core are both inserted into the core through hole and then connected; a primary coil is wound around the middle of the skeleton, and a secondary coil is wound around the outer side of the primary coil; an insulating sleeve is provided between the primary coil and the secondary coil; a plurality of pins are vertically provided on both sides of the lower end of the skeleton; a buffer seat is also provided between the pins, and the upper end of the buffer seat is connected to the lower end of the skeleton through a buffer rod; fixed base feet are provided at both ends of the buffer seat.

[0005] To further illustrate, in the above technical solution, the fixing base is fixed by vertically passing through the fixing screws, which can improve the stability of the overall transformer during use.

[0006] To further illustrate, in the above technical solution, a protrusion is provided at the lower end of the first E-shaped iron core; a groove is provided at the upper end of the second E-shaped iron core; the first E-shaped iron core is fixedly connected by inserting the protrusion into the groove of the second E-shaped iron core; and the free loading and unloading of subsequent operators is facilitated.

[0007] To further illustrate, in the above technical solution, fixing holes are provided on both sides of the first E-shaped iron core along the thickness direction and on both sides of the second E-shaped iron core along the thickness direction, and the fixing holes are fixedly connected by passing screws through reinforcement plates; such a design can further improve the connection strength of the first E-shaped iron core and the second E-shaped iron core after plugging them in.

[0008] To further illustrate, in the above technical solution, a first through hole is also provided on the side wall along the length direction of the first E-shaped iron core to facilitate subsequent fixed penetration and connection.

[0009] To further illustrate, in the above technical solution, a second through hole is also provided on the side wall along the length direction of the second E-shaped iron core to facilitate subsequent fixed penetration connection.

[0010] To further illustrate, in the above technical solution, protective rods are also arranged on both sides of the frame, and a third through hole is horizontally opened at the upper end of the protective rod; the first through hole and the third through hole are connected by a pull rod.

[0011] The beneficial effects of the utility model are as follows: the utility model proposes a small ripple and low noise E-type transformer, the ripple of which is less than 0.2V, which can significantly reduce the noise during use, improve the use stability of the overall equipment, and facilitate wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 yes Figure 1 Schematic diagram of the structure of the first E-shaped iron core and the second E-shaped iron core.

[0015] The numbers in the accompanying drawings are: 1. skeleton, 2. first E-shaped iron core, 3. second E-shaped iron core, 4. primary coil, 5. secondary coil, 6. pin, 7. buffer seat, 8. buffer rod, 9. fixed base, 10. fastening screw, 11. bump, 12. groove, 13. fixing hole, 14. reinforcement plate, 15. first through hole, 16. second through hole, 17. protective rod, 18. pull rod. DETAILED DESCRIPTION

[0016] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] In the present application, the primary coil 4 and the secondary coil 5 are finally connected to the pins 6 respectively through wires.

[0018] See Figure 1 and Figure 2 The figure shows a small ripple low noise E-type transformer, comprising a frame 1, the frame 1 is an I-shaped structure, and a core through hole is provided in the middle of the frame 1; a first E-shaped core 2 is inserted at the upper end of the frame 1, and a second E-shaped core 3 is inserted at the lower end of the frame 1, and the middle of the first E-shaped core 2 and the middle of the second E-shaped core 3 are inserted in the core through hole and then connected; a primary coil 4 is wound around the middle of the frame 1, and a secondary coil 5 is wound around the outside of the primary coil 4; an insulating sleeve is provided between the primary coil 4 and the secondary coil 5; a plurality of pins 6 are vertically provided on both sides of the lower end of the frame 1; a buffer seat 7 is also provided between the pins 6, and the upper end of the buffer seat 7 is connected to the lower end of the frame 1 through a buffer rod 8; fixed base feet 9 are provided at both ends of the buffer seat 7.

[0019] Among them, the fixing foot 9 is fixed vertically by fastening screws 10. The lower end of the first E-shaped iron core 2 is provided with a protrusion 11; the upper end of the second E-shaped iron core 3 is provided with a groove 12; the first E-shaped iron core 2 is fixedly connected by inserting the protrusion 11 into the groove 12 of the second E-shaped iron core 3. The first E-shaped iron core 2 and the second E-shaped iron core 3 are provided with fixing holes 13 on both sides along the thickness direction, and the fixing holes 13 are fixedly connected after screws are inserted through the reinforcing sheet 14. The first E-shaped iron core 2 is also provided with a first through hole 15 on the side wall along the length direction. The second E-shaped iron core 3 is also provided with a second through hole 16 on the side wall along the length direction. Protective rods 17 are also provided on both sides of the skeleton 1, and a third through hole is horizontally provided on the upper end of the protective rod 17; the first through hole 15 and the third through hole are connected by a pull rod 18.

[0020] The small ripple and low noise E-type transformer of the present application has the following advantages over the traditional E-type transformer: the noise caused by vibration during use can be effectively reduced through the buffer seat 7, buffer rod 8, etc., and at the same time, the plug-in structure of the first E-shaped iron core 2 and the second E-shaped iron core 3 can effectively improve the connection strength during use and reduce the generation of noise; the ripple is reduced to below 0.2V, which well ensures the stable operation of the equipment.

[0021] What is described above 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 small ripple and low noise E-type transformer, characterized by: It includes a frame, which is in an I-shaped structure, and an iron core through hole is provided in the middle of the frame; a first E-shaped iron core is inserted at the upper end of the frame, and a second E-shaped iron core is inserted at the lower end of the frame, and the middle of the first E-shaped iron core and the middle of the second E-shaped iron core are both inserted in the iron core through hole and then connected; a primary coil is wound around the middle of the frame, and a secondary coil is wound around the outside of the primary coil; an insulating sleeve is arranged between the primary coil and the secondary coil; a plurality of pins are vertically arranged on both sides of the lower end of the frame; a buffer seat is also arranged between the pins, and the upper end of the buffer seat is connected to the lower end of the frame through a buffer rod; fixed base feet are arranged at both ends of the buffer seat.

2. The small ripple and low noise E-type transformer according to claim 1, characterized in that: The fixed base foot is vertically penetrated and fixed by fastening screws.

3. The small ripple and low noise E-type transformer according to claim 1, characterized in that: The lower end of the first E-shaped iron core is provided with a protrusion; the upper end of the second E-shaped iron core is provided with a groove; the first E-shaped iron core is fixedly connected by inserting the protrusion into the groove of the second E-shaped iron core.

4. The small ripple and low noise E-type transformer according to claim 3, characterized in that: Fixing holes are provided on both sides of the first E-shaped iron core along the thickness direction and on both sides of the second E-shaped iron core along the thickness direction, and the fixing holes are fixedly connected by reinforcing sheets through which screws are inserted.

5. The small ripple and low noise E-type transformer according to claim 1, characterized in that: The first E-shaped iron core is also provided with a first through hole on the side wall along the length direction.

6. The small ripple and low noise E-type transformer according to claim 1, characterized in that: The second E-shaped iron core is also provided with a second through hole on the side wall along the length direction.

7. The small ripple and low noise E-type transformer according to claim 5, characterized in that: Protection rods are also arranged on both sides of the frame, and a third through hole is horizontally opened at the upper end of the protection rod; the first through hole and the third through hole are connected by a pull rod.

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