CN203423047U - High-frequency transformer framework - Google Patents

Abstract

The utility model relates to a power transformer technical field especially relates to a high frequency transformer skeleton, comprising a frame body, the both ends of support body are provided with elementary wire winding groove and secondary wire winding groove respectively, be provided with a connecting piece between elementary wire winding groove and the secondary wire winding groove, the both ends of connecting piece are connected with elementary wire winding groove, secondary wire winding groove respectively, secondary wire winding groove is provided with a plurality of PIN foot, the width T in secondary wire winding groove is greater than or equal to 6mm, the utility model discloses an increase the width in secondary wire winding groove for safe distance between elementary wire winding groove and the secondary wire winding groove reaches the standard, has avoided the bad defect of high pressure, in the actual production process, has detached this process of flying wire, has improved production efficiency.

Description

A high frequency transformer skeleton

technical field

The utility model relates to the technical field of power transformers, in particular to a skeleton of a high-frequency transformer.

Background technique

A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary winding slot, the secondary winding slot and the iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. According to the purpose, it can be divided into: distribution transformer, power transformer, fully sealed transformer, combined transformer, dry type transformer, oil immersed transformer, single phase transformer, electric furnace transformer, rectifier transformer, etc., which are often used in power supply devices such as power adapters.

In the existing transformer bobbin, the safety distance between the primary winding slot and the secondary winding slot is often too small due to the consideration of cost and material requirements, which is easy to The defect of high voltage failure, in order to avoid this defect, when manufacturing the skeleton, it is often necessary to fly the secondary winding groove, but because the flying wire process is complicated, and it needs manual operation, in the actual processing It is very cumbersome, greatly reduces the production efficiency, and is not suitable for mass production.

Contents of the invention

The purpose of the utility model is to provide a high-frequency transformer skeleton for the deficiencies of the prior art. The utility model increases the width of the secondary winding groove so that the safe distance between the primary winding groove and the secondary winding groove reaches The standard avoids the defect of high voltage failure, and in the actual production process, the process of removing the flying line improves the production efficiency.

In order to achieve the above purpose, a high-frequency transformer skeleton of the present invention includes a frame body, and the two ends of the frame body are respectively provided with a primary winding groove and a secondary winding groove, and the primary winding groove, the secondary winding groove There is a connecting piece between the winding grooves, and the two ends of the connecting piece are respectively connected with the primary winding groove and the secondary winding groove, and the secondary winding groove is provided with several PIN pins, and the secondary winding groove The longitudinal distance T of the trunking is greater than or equal to 6mm.

As preferred. The secondary winding groove is also provided with a winding post, and the winding post is arranged vertically to the PIN pin.

Preferably, the winding post is integrally formed with the secondary winding groove.

Preferably, the width of the secondary winding groove is 8mm.

Preferably, the connector is provided with a magnetic core hole, and a magnetic core is arranged in the magnetic core hole.

Beneficial effects of the utility model: by limiting the width of the secondary winding slot, the distance between the PIN pin on the secondary winding set and the PIN pin on the primary winding set increases, and on the secondary winding slot Set a winding post perpendicular to the PIN pin, the wire drawn from the secondary winding slot first bypasses the winding post, and then winds on the PIN pin, making the safety between the primary winding slot and the secondary winding slot The distance reaches the standard, avoiding the defect of high voltage failure. In the actual production process, the process of removing the flying line improves the production efficiency.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a structural schematic diagram of another perspective of the utility model.

Reference signs include:

1—Primary winding groove 2—Secondary winding groove 21—PIN foot

22—Winding post 3—Connector 31—Magnetic core hole.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

As shown in Figures 1 to 2, a high-frequency transformer skeleton includes a frame, and the two ends of the frame are respectively provided with a primary winding slot 1 and a secondary winding slot 2, and the primary winding slot 1 There is a connecting piece 3 between the secondary winding groove 2, and the two ends of the connecting piece 3 are respectively connected with the primary winding groove 1 and the secondary winding groove 2, and the secondary winding groove 2 is provided with several PIN feet 21, the width T of the secondary winding slot 2 is greater than or equal to 6mm.

In this embodiment, if the safety distance between the primary winding slot 1 and the secondary winding slot 2 is less than 6mm, the phenomenon of high voltage failure of the outgoing line will occur, and flying wire treatment is required, so by limiting the width of the secondary winding slot 2 , so that the safety distance between the primary winding groove 1 and the secondary winding groove 2 is not less than 6mm, avoiding the defect of high voltage failure, and in the actual production process, the process of removing the flying wire improves the production efficiency.

In this embodiment, the secondary winding slot 2 is also provided with a winding post 22, and the winding post 22 is arranged perpendicular to the PIN pin 21, and the enameled wire pulled out from the secondary winding slot 2 first bypasses the winding post 22, and then wound on the PIN pin 21 to increase the insulation distance between the primary wire slot 1 and the secondary wire slot 2. The insulation distance between the primary wire slot 1 and the secondary wire slot 2 is too small, which will cause the primary wire slot Inaccurate AC current sensing between 1 and secondary trunking 2 prevents the transformer from functioning properly.

In this embodiment, the winding post 22 is integrally formed with the secondary winding groove 2, saving materials and costs.

In this embodiment, the width of the secondary winding groove 2 is 8 mm, and the shortest safe distance between the primary winding groove 1 and the secondary winding groove 2 is not less than 6 mm. According to different transformers, the secondary winding groove The specific numerical value of the width of the wire groove 2 is also different.

In this embodiment, the connector 3 is provided with a magnetic core hole 31, and a magnetic core is arranged in the magnetic core hole 31. When an alternating current flows through the primary coil, an alternating magnetic flux is generated in the magnetic core, so that the secondary coil Induction of voltage or current.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (5)

1. A high-frequency transformer skeleton, including a frame body, the two ends of the frame body are respectively provided with a primary winding slot (1) and a secondary winding slot (2), and the primary winding slot (1) and A connecting piece (3) is arranged between the secondary winding grooves (2), and the two ends of the connecting piece (3) are respectively connected with the primary winding groove (1) and the secondary winding groove (2). In that: the secondary winding groove (2) is provided with several PIN pins (21), and the width T of the secondary winding groove (2) is greater than or equal to 6mm. 2. A high-frequency transformer skeleton according to claim 1, characterized in that: the secondary winding slot (2) is also provided with a winding post (22), and the winding post (22) is connected to the PIN The feet (21) are arranged vertically. 3. A high-frequency transformer bobbin according to claim 2, characterized in that: the winding post (22) is integrally formed with the secondary winding groove (2). 4. A high-frequency transformer bobbin according to claim 1, characterized in that: the width of the secondary winding slot (2) is 8mm. 5. A high-frequency transformer bobbin according to claim 1, characterized in that: said connector (3) is provided with a magnetic core hole (31), and a magnetic core is provided in the magnetic core hole (31).

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