CN219226040U - Small transformer - Google Patents

Abstract

The utility model discloses a small transformer, which comprises a shell, wherein an iron core is arranged in the middle of the shell, a terminal seat is arranged below the shell, pins are arranged below the terminal seat, and a wire placing hole is formed in the middle of the iron core; the utility model has simple and reasonable structure, separates the lead from the internal coil by adopting the design of the wire placing hole, is convenient to install and operate, has higher safety performance and is not easy to damage.

Description

Small transformer

Technical Field

The utility model relates to a small transformer, and belongs to the technical field of transformers.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core, and the transformer has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc., can be divided into: a power transformer and a special transformer; the traditional transformer is directly connected with the wire on the coil to laminate through insulating tape, and this kind of mode operation is comparatively loaded down with trivial details, and long service time is long, and the wire easily appears damaging, and the security performance is low.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems, the utility model provides the small transformer which is convenient to install and operate, good in safety performance, simple in structure and difficult to deform a lead.

(II) technical scheme

The utility model relates to a small transformer which comprises a shell, wherein an iron core is arranged in the middle of the shell, a terminal seat is arranged below the shell, pins are arranged below the terminal seat, and a wire placing hole is formed in the middle of the iron core.

Further, an insulating layer is coated inside the wire placing hole, and the insulating effect between the wire and the coil is improved.

Further, insulating plates are arranged on the front side and the rear side of the iron core, and the insulating effect of the iron core is improved.

Further, the outside of iron core around there is the coil, and the coil passes through the laminating of insulating tape, promotes the insulating effect between the coil.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects: the utility model has simple and reasonable structure, separates the lead from the internal coil by adopting the design of the wire placing hole, is convenient to install and operate, has higher safety performance and is not easy to damage.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a small transformer according to the present utility model.

1. Iron core, 2, put line hole, 3, casing, 4, terminal seat, 5, stitch.

Detailed Description

The miniature transformer shown in fig. 1 comprises a shell 3, wherein an iron core 1 is arranged in the middle of the shell 3, a terminal seat 4 is arranged below the shell 3, pins 5 are arranged below the terminal seat 4, and a wire placing hole 2 is formed in the middle of the iron core 1.

Wherein, the inside of the wire placing hole 2 is coated with an insulating layer.

Insulating plates are arranged on the front side and the rear side of the iron core 1.

The outside of the iron core 1 is wound with a coil, and the coil is attached through an insulating tape.

The utility model has simple and reasonable structure, separates the lead from the internal coil by adopting the design of the wire placing hole, is convenient to install and operate, has higher safety performance and is not easy to damage.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims (4)

1. A miniature transformer comprising a housing, characterized in that: the novel electric power cable is characterized in that an iron core (1) is arranged in the middle of the shell (3), a terminal seat (4) is arranged below the shell (3), pins (5) are arranged below the terminal seat (4), and a cable placing hole (2) is formed in the middle of the iron core (1).

2. A miniature transformer according to claim 1, wherein: the inside of the wire placing hole (2) is coated with an insulating layer.

3. A miniature transformer according to claim 1, wherein: insulating plates are arranged on the front side and the rear side of the iron core (1).

4. A miniature transformer according to claim 1, wherein: the outside of iron core (1) around there is the coil, and the coil passes through the insulating tape laminating.

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