CN211529767U

CN211529767U - Transformer with improved structure

Info

Publication number: CN211529767U
Application number: CN202020504951.3U
Authority: CN
Inventors: 孙春阳; 王猛; 柳教成; 张庭春
Original assignee: Guangdong Liwang High Tech Co Ltd
Current assignee: Guangdong Liwang High Tech Co Ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-09-18
Anticipated expiration: 2030-04-08

Abstract

The utility model belongs to the technical field of transformers, in particular to a transformer with an improved structure, which comprises a transformer framework, a primary coil component, a secondary coil component and a magnetic core component; the transformer framework is provided with the first PIN PIN component and the second PIN PIN component, and the jumper connects the plurality of windings of the primary coil component through the first PIN PIN component, so that the transformer is simple and compact in structure, the space occupation ratio of the transformer is reduced, the automatic production of the transformer is facilitated, and the production efficiency is improved; the second PIN PIN component is wound with a secondary outgoing line of the secondary coil component, so that the second PIN PIN component is changed into a secondary output PIN of the transformer, the power output capacity of the transformer is ensured, the volume of the transformer is reduced, and the insulation performance and the anti-interference performance of the transformer are improved; the structure of the transformer is simplified and the insulating performance of the transformer is enhanced by the secondary coil assembly composed of the secondary winding and the secondary insulating member.

Description

Transformer with improved structure

Technical Field

The utility model belongs to the technical field of the transformer, especially, relate to a institutional advancement's transformer.

Background

A transformer is a device for transforming ac voltage, current and impedance, and when an ac current flows through a primary winding, an ac magnetic flux is generated in an iron core (or a magnetic core), so that a voltage (or a current) is induced in a secondary winding.

The application of the transformer in the fields of mobile phone chargers, direct current converters and the like is wider and wider, but the existing transformer has the following problems:

1. in order to ensure the insulation performance of the existing transformer, a reverse-folding adhesive tape for enhancing insulation is generally arranged at a primary coil, and an insulating sleeve is sleeved on a leading-out wire of a secondary coil in a penetrating manner, so that the existing transformer is large in size, difficult to ensure quality, complex in production process and low in production efficiency;

2. the outgoing line of the secondary coil of the existing transformer is not fixed, so that the power output of the transformer is easy to have problems.

Accordingly, a transformer with an improved structure is provided to solve the disadvantages of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, an embodiment of the present invention provides a transformer with improved structure, including transformer skeleton, primary coil assembly, secondary coil assembly and magnetic core assembly, the primary coil assembly is fixed set up in the middle of the transformer skeleton, the winding of secondary coil assembly set up in on the primary coil assembly, the magnetic core assembly is fixed set up in on the transformer skeleton:

the transformer framework comprises a first PIN PIN component and a second PIN PIN component, the first PIN PIN component is fixedly arranged at the top of the transformer framework, and the second PIN PIN component is fixedly arranged at the bottom of the transformer framework;

the secondary coil assembly comprises at least one secondary winding and at least one secondary insulating piece, the secondary winding is wound and fixed on the primary coil assembly, and the secondary insulating piece is wound and fixed on the secondary winding.

Optionally, the first PIN assembly comprises a plurality of first connecting posts, the first connecting posts are fixedly arranged at the upper end of the side wall surface of the transformer framework, and first PIN feet are fixedly arranged on the upper surface of the first connecting posts.

Optionally, the second PIN assembly includes a plurality of second PINs, and the second PINs are fixedly disposed on a side wall surface of the transformer bobbin.

Optionally, a secondary pinout is arranged at the tail end of the secondary winding, and the secondary pinout is wound and fixed on the second PIN.

Optionally, a cavity is cut in the center of the transformer bobbin, a groove matched with the primary coil assembly is formed in the transformer bobbin, and the groove is located in the middle of the transformer bobbin.

Optionally, the magnetic core assembly includes at least two magnetic cores and magnetic core fixing parts matched with the transformer framework, two the magnetic cores are respectively and fixedly arranged at the upper end and the lower end of the transformer framework, and the magnetic core fixing parts are fixedly arranged at the two magnetic cores.

Optionally, the magnetic core is "E" shaped, and the shape of the transformer bobbin is matched with the magnetic core.

Optionally, the primary coil assembly includes a first primary winding, a first primary insulating tape, a second primary winding, a second primary insulating tape, a third primary winding, and a third primary insulating tape, the first primary winding is wound and fixed on the groove, the first primary insulating tape is wound and fixed on the first primary winding, the second primary winding is wound and fixed on the first primary insulating tape, the second primary insulating tape is wound and fixed on the second primary winding, the third primary winding is wound and fixed on the second primary insulating tape, and the third primary insulating tape is wound and fixed on the third primary winding.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the transformer of institutional advancement has one of following technological effect at least: the first PIN PIN component and the second PIN PIN component are arranged on the transformer framework, and the jumper wire connects a plurality of windings of the primary coil component through the first PIN PIN component, so that a plurality of manufacturing procedures of traditional jumper wire stranding, jumper wire soldering, jumper wire encapsulation insulation and the like are simplified, the structure of the transformer is simple and compact, the space occupation ratio of the transformer is reduced, the automatic production of the transformer is facilitated, and the production efficiency is improved; the second PIN PIN component is wound with a secondary outgoing line of the secondary coil component, so that the second PIN PIN component is changed into a secondary output PIN of the transformer, the power output capacity of the transformer is ensured, the volume of the transformer is reduced, and the insulation performance and the anti-interference performance of the transformer are improved; the structure of the transformer is simplified and the insulating performance of the transformer is enhanced by the secondary coil assembly composed of the secondary winding and the secondary insulating member.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a transformer with an improved structure provided by an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a transformer with an improved structure provided by an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a transformer with an improved structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a transformer with an improved structure according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a transformer with an improved structure according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a transformer with an improved structure according to an embodiment of the present invention.

The transformer comprises a transformer framework 1, a primary coil component 2, a secondary coil component 3, a magnetic core component 4, a cavity 11, a groove 12, a first PIN PIN component 13, a second PIN PIN component 14, a first connecting column 131, a first PIN PIN 132, a second PIN PIN 141, a first primary winding 21, a first primary insulating tape 22, a second primary winding 23, a second primary insulating tape 24, a third primary winding 25, a third primary insulating tape 26, a secondary winding 31, a secondary insulating piece 32, a magnetic core 41 and a magnetic core fixing piece 42.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, a transformer with an improved structure comprises a transformer framework 1, a primary coil assembly 2, a secondary coil assembly 3 and a magnetic core assembly 4, wherein the primary coil assembly 2 is fixedly arranged in the middle of the transformer framework 1, the secondary coil assembly 3 is wound on the primary coil assembly 2, and the magnetic core assembly 4 is fixedly arranged on the transformer framework 1.

Referring to fig. 2, a cavity 11 is cut in the center of the transformer bobbin 1, a groove 12 matched with the primary coil assembly 2 is formed in the transformer bobbin 1, and the groove 12 is located in the middle of the transformer bobbin 1; the cavity 11 is used for fixing the magnetic core component 4, and the groove 12 is used for fixing the primary coil component 2.

Transformer skeleton 1 is still including first PIN foot subassembly 13 and second PIN foot subassembly 14, first PIN foot subassembly 13 fixed set up in transformer skeleton 1's top, second PIN foot subassembly 14 fixed set up in transformer skeleton 1's bottom.

First PIN PIN subassembly 13 includes a plurality of first connector posts 131, first connector posts 131 fixed set up in the upper end of transformer skeleton 1 side wall face. In this embodiment, the upper end of the sidewall of the transformer bobbin 1 protrudes outward to form the first connecting column 131.

The upper surface of the first connecting column 131 is fixedly provided with a first PIN leg 132.

The second PIN component 14 is used for connecting the output end of the secondary coil component 3; the second PIN assembly 14 includes a plurality of second PIN legs 141, and the second PIN legs 141 are fixedly disposed on a side wall surface of the transformer bobbin 1.

Referring to fig. 3, the primary coil assembly 2 is connected to a power source, the primary coil assembly 2 includes a first primary winding 21, a first primary insulating tape 22, a second primary winding 23, a second primary insulating tape 24, a third primary winding 25, and a third primary insulating tape 26, the first primary winding 21 is wound and fixed on the groove 12, the first primary insulating tape 22 is wound and fixed on the first primary winding 21, the second primary winding 23 is wound and fixed on the first primary insulating tape 22, the second primary insulating tape 24 is wound and fixed on the second primary winding 23, the third primary winding 25 is wound and fixed on the second primary insulating tape 24, and the third primary insulating tape 26 is wound and fixed on the third primary winding 25. In other embodiments, the primary coil assembly 2 may be composed of a plurality of primary windings and a plurality of primary insulating tapes, and the number of the primary windings and the number of the primary insulating tapes may be increased or decreased according to actual situations.

Referring to fig. 4, the secondary coil assembly 3 includes at least one secondary winding 31 and at least one secondary insulator 32, the secondary winding 31 is wound and fixed on the primary coil assembly 2, the secondary winding 31 is wound and fixed on the third primary insulating tape 26, and the secondary insulator 32 is wound and fixed on the secondary winding 31. In this embodiment, the secondary insulation 32 is preferably an insulating tape.

The end of the secondary winding 31 is provided with a secondary outlet which is wound and fixed on the second PIN 141.

Referring to fig. 5 and 6, the magnetic core assembly 4 includes at least two magnetic cores 41 and two magnetic core fixing members 42 matched with the transformer bobbin 1, the two magnetic cores 41 are respectively and fixedly disposed at the upper end and the lower end of the transformer bobbin 1, the two magnetic core fixing members 42 are fixedly disposed on the two magnetic cores 41, and the magnetic core fixing members 42 fix the magnetic cores 41 on the transformer bobbin 1. In the present embodiment, the magnetic core 41 is in an "E" shape, and the magnetic core fixing member 42 is preferably an adhesive tape wound around the magnetic core 41 to fix the magnetic core 41 to the bobbin 1.

A fixing column is convexly extended in the middle of the magnetic core 41, and the fixing column is matched with the cavity 11.

In the transformer with the improved structure, the primary coil assembly 2 is wound and fixed on the transformer framework 1, and the first primary winding 21, the second primary winding 23 and the third primary winding 25 of the primary coil assembly 2 are connected with each other by the jumper through the first PIN assembly 13, so that a plurality of manufacturing processes such as traditional jumper twisting, jumper soldering, jumper encapsulation insulation and the like are simplified, the structure of the transformer is simple and compact, the space occupation ratio of the transformer is reduced, the transformer is beneficial to automatic production of the transformer, and the production efficiency is improved; then the secondary coil component 3 is wound and fixed on the primary coil component 2, and the secondary outgoing line is wound and fixed on the second PIN 141, so that the second PIN 141 becomes a secondary output PIN of the transformer, thereby ensuring the power output capability of the transformer, reducing the volume of the transformer, and improving the insulation performance and the anti-interference performance of the transformer; finally, the magnetic core 41 is inserted into the cavity 11, and the magnetic core fixing member 42 fixes the magnetic core 41 to the transformer bobbin 1.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a transformer of institutional advancement, its characterized in that, includes the skeleton of transformer, primary coil subassembly, secondary coil subassembly and magnetic core subassembly, the primary coil subassembly fixed set up in the middle of the skeleton of transformer, secondary coil subassembly winding set up in on the primary coil subassembly, the magnetic core subassembly fixed set up in on the skeleton of transformer:

2. The transformer with an improved structure according to claim 1, wherein the first PIN assembly comprises a plurality of first connecting columns, the first connecting columns are fixedly arranged at the upper ends of the side wall surfaces of the transformer framework, and first PIN PINs are fixedly arranged on the upper surfaces of the first connecting columns.

3. The improved transformer of claim 1, wherein the second PIN assembly comprises a plurality of second PIN legs, and the second PIN legs are fixedly arranged on a side wall surface of the transformer framework.

4. The structurally improved transformer as claimed in any one of claims 1 to 3, wherein a secondary lead wire is provided at an end of the secondary winding, and the secondary lead wire is wound and fixed on the second PIN.

5. The improved transformer of any one of claims 1-3, wherein a cavity is cut in the center of the transformer bobbin, and a groove matching with the primary coil assembly is formed in the transformer bobbin and located in the middle of the transformer bobbin.

6. The improved transformer of any one of claims 1-3, wherein the magnetic core assembly comprises at least two magnetic cores matching with the transformer bobbin and a magnetic core fixing member, the two magnetic cores are respectively fixedly disposed at the upper end and the lower end of the transformer bobbin, and the magnetic core fixing member is fixedly disposed on the two magnetic cores.

7. The improved transformer of claim 6, wherein said magnetic core is "E" shaped, and said bobbin is shaped to match said magnetic core.

8. The improved transformer of claim 5, wherein the primary coil assembly comprises a first primary winding, a first primary insulating tape, a second primary winding, a second primary insulating tape, a third primary winding and a third primary insulating tape, the first primary winding is wound and fixed on the groove, the first primary insulating tape is wound and fixed on the first primary winding, the second primary winding is wound and fixed on the first primary insulating tape, the second primary insulating tape is wound and fixed on the second primary winding, the third primary winding is wound and fixed on the second primary insulating tape, and the third primary insulating tape is wound and fixed on the third primary winding.