CN204577222U - A transformer skeleton and a transformer - Google Patents

Abstract

The utility model relates to the technical field of transformers, especially, relate to a transformer skeleton and transformer, this transformer skeleton includes first L shaped iron core, second L shaped iron core, first line frame and second line frame, first L shaped iron core includes the first tubular portion and the first connecting portion of interconnect, second L shaped iron core includes the second tubular portion and the second connecting portion of interconnect, outside first tubular portion was located to first line frame cover, outside second tubular portion was located to second line frame cover, the terminal surface of first connecting portion is connected with the side of second tubular portion, the terminal surface of second connecting portion is connected with the side of first tubular portion. The utility model discloses a transformer framework, when using it to carry out transformer equipment, can directly carry out the copper line coiling through the coiling machine, the copper line need not to cut off, need not to weld, and the operation is convenient, reduces production processes; meanwhile, a retaining wall and an insulating adhesive tape are not needed, and the production cost is reduced.

Description

A transformer skeleton and a transformer

technical field

The utility model relates to the technical field of transformers, in particular to a transformer skeleton and a transformer.

Background technique

Transformer (Transformer) is a device that uses the principle of electromagnetic induction to change AC voltage, and its application range is very wide. A traditional transformer generally includes a wire frame and an iron core. The copper wire is wound on the outer wall of the iron core, and then a layer of retaining wall is set on the wound copper wire. Finally, an insulating tape is wrapped on the outer side of the retaining wall, and then the The iron core is added on the outside of the wire frame, and there is a certain gap between the iron core and the wire frame to isolate the contact between the copper wire and the iron core. Among them, the copper wire needs to be cut and divided into the first section and the second section for winding. After the winding of the first section and the second section is completed, welding points need to be set on the iron core of the transformer to weld the first section and the second section. The copper wires of this type of existing transformer need to be cut when winding, resulting in complex production procedures, manual operation is necessary, cumbersome operations, and low production efficiency; at the same time, the entire transformer must use retaining walls and tapes, resulting in high production costs. The efficiency of the enterprise is reduced.

Utility model content

The purpose of the utility model is to provide a transformer frame for the shortcomings of the prior art, which can reduce the production process and has the advantages of convenient operation and low cost.

Another purpose of the utility model is to provide a transformer for the shortcomings of the prior art, which can reduce the production process and has the advantages of convenient operation and low cost.

In order to achieve the above purpose, a transformer skeleton of the present invention includes a first L-shaped iron core, a second L-shaped iron core, a first wire frame and a second wire frame, and the first L-shaped iron core includes interconnected first The cylindrical part and the first connecting part, the second L-shaped iron core includes the second cylindrical part and the second connecting part connected to each other, the first wire frame is sleeved outside the first cylindrical part, and the second wire frame is sleeved on the Outside the second cylindrical portion, the end surface of the first connecting portion is connected to the side surface of the second cylindrical portion, and the end surface of the second connecting portion is connected to the side surface of the first cylindrical portion.

Preferably, the gap between the end surface of the first connecting part and the side of the second cylindrical part is provided with black glue, and the connection between the end surface of the second connecting part and the side of the first cylindrical part is provided with black glue .

Preferably, the structure of the first L-shaped iron core is the same as that of the second L-shaped iron core.

Preferably, the first wire frame and the second wire frame have the same structure.

Preferably, both ends of the first wire frame and the second wire frame are provided with ring-shaped copper wire stoppers.

In order to achieve the above another purpose, a transformer of the utility model includes a first L-shaped iron core, a second L-shaped iron core, a first wire frame and a second wire frame, and the first L-shaped iron core includes a first L-shaped iron core connected to each other. A cylindrical portion and a first connecting portion, the second L-shaped iron core includes a second cylindrical portion and a second connecting portion connected to each other, the first wire frame is sleeved outside the first cylindrical portion, and the second wire frame is sleeved Outside the second cylindrical part, the end surface of the first connecting part is connected to the side surface of the second cylindrical part, and the end surface of the second connecting part is connected to the side surface of the first cylindrical part; the transformer also includes a copper wire, a copper wire Winding on the outside of the first wire frame and the second wire frame.

The beneficial effects of the utility model: when assembling the transformer, a copper wire is wound on the outside of the first wire frame and the second wire frame, and then the two first wire frames and the second wire frame that have completed the winding are respectively placed on the second wire frame. The first cylindrical portion of an L-shaped iron core and the second cylindrical portion of the second L-shaped iron core are finally connected to the end surface of the first connecting portion with the side surface of the second cylindrical portion, and the end surface of the second connecting portion is connected to the side surface of the second cylindrical portion. The side connection of the first cylindrical part completes the combination of the transformer.

The transformer frame of the utility model, when used for transformer assembly, can directly wind the copper wires through the winding machine, the copper wires do not need to be cut or welded, the operation is convenient, and the production process is reduced; Wall and insulation tapes, reducing production costs.

The transformer of the utility model can be directly wound with copper wires by a winding machine during production, and the copper wires do not need to be cut or welded, so the operation is convenient and the production process is reduced; at the same time, there is no need to use retaining walls and insulating tapes, reducing the Cost of production.

Description of drawings

Fig. 1 is a structural schematic diagram of a transformer skeleton of the present invention.

Fig. 2 is an exploded schematic diagram of the structure of the transformer skeleton of the present invention.

Fig. 3 is a structural front view of the transformer of the present invention.

Fig. 4 is a state diagram of the transformer of the present invention when it is assembled.

Reference signs include:

1—The first L-shaped iron core 2—The second L-shaped iron core 3—The first wire frame

4—Second Wire Frame 5—Ring Copper Wire Block 6—Copper Wire

11—the first cylindrical portion 12—the first connecting portion 21—the second cylindrical portion

22—the second connection part.

Detailed ways

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

Embodiment one .

As shown in Figures 1 to 4, a transformer frame of the present invention includes a first L-shaped iron core 1, a second L-shaped iron core 2, a first wire frame 3 and a second wire frame 4, the first L-shaped The iron core 1 includes a first cylindrical portion 11 and a first connecting portion 12 connected to each other, the second L-shaped iron core 2 includes a second cylindrical portion 21 and a second connecting portion 22 connected to each other, and 3 sets of first wire frames Set outside the first cylindrical part 11, the second wire frame 4 is sleeved outside the second cylindrical part 21, the end surface of the first connecting part 12 is connected with the side surface of the second cylindrical part 21, and the end surface of the second connecting part 22 It is connected to the side surface of the first cylindrical portion 11 . When assembling the transformer, a copper wire 6 is wound on the outside of the first wire frame 3 and the second wire frame 4, and then the two wound first wire frames 3 and the second wire frame 4 are respectively placed on the first L The first cylindrical portion 11 of the type iron core 1 and the second cylindrical portion 21 of the second L-shaped iron core 2, and finally connect the end surface of the first connecting portion 12 to the side surface of the second cylindrical portion 21, and the second connection The end surface of the portion 22 is connected to the side surface of the first cylindrical portion 11, that is, the combination of the transformer is completed. Wherein, the first wire frame 3 and the second wire frame 4 are both made of insulating materials, and the first wire frame 3 and the second wire frame 4 can realize the copper wire 6 wound thereon with the first L-shaped iron core 1 and the second wire frame 4. The two L-shaped iron cores 2 are insulated from contact and play an insulating role.

When the transformer skeleton of the utility model is used for transformer assembly, the copper wire 6 can be wound directly through the winding machine, and the copper wire 6 does not need to be cut or welded, so the operation is convenient and the production process is reduced; at the same time, there is no need to use retaining walls and Insulating tape, reducing production costs.

In this embodiment, the gap between the end surface of the first connecting portion 12 and the side surface of the second cylindrical portion 21 is provided with black glue, and the gap between the end surface of the second connecting portion 22 and the side surface of the first cylindrical portion 11 The joint is provided with black glue; through the application of black glue, the end face of the first connecting portion 12 can be fixedly connected to the side of the second cylindrical portion 21, and the end face of the second connecting portion 22 can be connected to the first cylindrical portion. The sides of 11 are fixedly connected, so that the first L-shaped iron core 1 and the second L-shaped iron core 2 are fixedly connected, the first L-shaped iron core 1 and the second L-shaped iron core 2 are connected upside down, and the first L-shaped iron core A cavity is formed between the core 1 and the second L-shaped iron core 2, which can be used to accommodate the wound copper wire 6, which is reasonable in design and strong in practicability.

In this embodiment, the first L-shaped iron core 1 and the second L-shaped iron core 2 have the same structure, the first wire frame 3 and the second wire frame 4 have the same structure, and the first L-shaped iron core with the same structure The core 1 and the second L-shaped iron core 2, as well as the first wire frame 3 and the second wire frame 4 are conducive to mass production, and in the process of transformer assembly, there is no need to adjust the first L-shaped iron core 1 and the second L-shaped iron core. Core 2, and distinguish the first wire frame 3 and the second wire frame 4, just place the first L-shaped iron core 1 and the second L-shaped iron core 2 upside down on the production line, which can effectively reduce production costs and improve Production efficiency brings greater benefits to the enterprise.

In this embodiment, the ends of both sides of the first wire frame 3 and the second wire frame 4 are provided with annular copper wire stoppers 5, and the annular copper wire stoppers 5 are used for winding around the first wire frame 3, The copper wire 6 of the second wire frame 4 is limited to prevent the copper wire 6 from protruding from the first wire frame 3 or the second wire frame 4 when the number of turns reaches a certain level, resulting in defective products.

Embodiment two .

As shown in Figures 1 to 4, the difference between this embodiment and Embodiment 1 is that a transformer in this embodiment includes the transformer skeleton of Embodiment 1 and copper wires 6, and the copper wires 6 are wound on the first On the outside of the wire frame 3 and the second wire frame 4, during production, the copper wire 6 can be directly wound by the winding machine, and the copper wire 6 does not need to be cut or welded, so the operation is convenient and the production process is reduced; at the same time, there is no need to use a retaining wall and insulating tape to reduce production costs.

The rest of this embodiment is the same as that of Embodiment 1, and the features not explained in this embodiment are explained in Embodiment 1, and will not be repeated here.

To sum up, it can be seen that the utility model has the above-mentioned excellent characteristics, so that it can improve the performance that is not available in the prior art in use, and has practicality, and becomes a product with great practical value.

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 (6)

1. a transformer framework, comprise the first L-type iron core (1), second L-type iron core (2), first coil holder (3) and the second coil holder (4), it is characterized in that: the first L-type iron core (1) comprises interconnective first cylindrical portion (11) and the first connecting portion (12), second L-type iron core (2) comprises interconnective second cylindrical portion (21) and the second connecting portion (22), first coil holder (3) is sheathed on the first cylindrical portion (11) outward, second coil holder (4) is sheathed on the second cylindrical portion (21) outward, the end face of the first connecting portion (12) is connected with the side of the second cylindrical portion (21), the end face of the second connecting portion (22) is connected with the side of the first cylindrical portion (11).

2. a kind of transformer framework according to claim 1, it is characterized in that: the gap of the junction of the end face of described first connecting portion (12) and the side of the second cylindrical portion (21) is provided with black glue, the junction of the end face of the second connecting portion (22) and the side of the first cylindrical portion (11) is provided with black glue.

3. a kind of transformer framework according to claim 1, is characterized in that: described first L-type iron core (1) is identical with the structure of the second L-type iron core (2).

4. a kind of transformer framework according to claim 1, is characterized in that: described first coil holder (3) is identical with the structure of the second coil holder (4).

5. a kind of transformer framework according to claim 1, is characterized in that: the both side ends of described first coil holder (3), the second coil holder (4) is provided with circular copper wires catch (5).

6. comprise a transformer for the transformer framework described in claim 1 ~ 5 any one, it is characterized in that: also comprise copper cash (6), copper cash (6) is set around the outside of the first coil holder (3) and the second coil holder (4).