CN220439387U

CN220439387U - Three-section winding small electronic transformer

Info

Publication number: CN220439387U
Application number: CN202321257705.2U
Authority: CN
Inventors: 徐红日
Original assignee: Feelux Optoelectronic Shandong Co Ltd
Current assignee: Feelux Optoelectronic Shandong Co Ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2024-02-02
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the field of electronic transformers, and discloses a three-section wound small-sized electronic transformer which comprises a lower magnetic core, wherein a lower vertical frame is fixedly connected to the top of the lower magnetic core, a second secondary winding is fixedly connected to the top of the lower vertical frame, a secondary double-slot framework is fixedly connected to the top of the second secondary winding, a lower primary winding framework is fixedly connected to the lower part of the inner part of the secondary double-slot framework, front winding slots are fixedly connected to the two sides of the right side of the lower primary winding framework, and an upper primary winding framework is fixedly connected to the upper part of the inner part of the secondary double-slot framework. In the utility model, the secondary winding groove is divided into two parts and distributed on the upper part and the lower part of the primary winding groove, and the winding grooves are mutually isolated, so that the secondary winding can be wound in two different winding grooves and is completely insulated from the primary winding, the technical effect of safe use is realized, and the technical purpose of being more convenient is achieved.

Description

Three-section winding small electronic transformer

Technical Field

The utility model relates to the field of electronic transformers, in particular to a three-section wound small-sized electronic transformer.

Background

Along with the increasing functions of electronic equipment, many products are required to provide various different voltages to supply power to various ICs and other components, for example, the output of multiple voltages of 3.3V,5V,12V,24V and the like is required, the output winding of a transformer is required to be increased, a three-section wound small electronic transformer is a non-stabilized switching power supply, which is an inverter in fact, a high-frequency oscillator is formed by electronic elements to convert direct current into high-frequency alternating current, and the required voltage is output through the switching transformer and then is used by a secondary rectifying power supply.

At present, all output windings of a general small-sized electronic transformer are wound in a winding groove, so that windings with different voltages are mutually interfered, hidden danger of short circuit exists, secondly, the primary and the secondary of the transformer are insulated by using adhesive tapes, the process is complex, the adhesive tapes are easy to damage, and hidden danger exists, therefore, the application provides a three-section-wound small-sized electronic transformer.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a three-section wound small-sized electronic transformer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a three-section wire-wound small-size electronic transformer, includes the lower part magnetic core, the top fixedly connected with lower grudging post of lower part magnetic core, the top fixedly connected with second secondary winding of lower grudging post, the top fixedly connected with secondary double flute skeleton of second secondary winding, the inside below fixedly connected with primary winding skeleton down of secondary double flute skeleton, the equal fixedly connected with front winding groove in the right-hand both sides of primary winding skeleton down, the inside top fixedly connected with primary winding skeleton of secondary double flute skeleton, the primary winding is gone up in the middle part fixedly connected with in the opposite face one side of primary winding skeleton and lower primary winding skeleton.

As a further description of the above technical solution:

and one side of the opposite surface of the upper primary winding framework and the lower primary winding framework is positioned on the outer wall of the upper primary winding and is fixedly connected with the lower primary winding.

As a further description of the above technical solution:

the top of the secondary double-groove framework is fixedly connected with a connecting sleeve, and the top of the connecting sleeve is fixedly connected with an upper vertical frame.

As a further description of the above technical solution:

the top of the upper vertical frame is fixedly connected with a first secondary winding.

As a further description of the above technical solution:

the middle part of the upper stand is positioned at the top of the first secondary winding and is fixedly connected with an upper magnetic core.

As a further description of the above technical solution:

the rear side of the secondary double-groove framework is fixedly connected with a rear winding frame.

As a further description of the above technical solution:

and a plurality of rear winding grooves are uniformly and fixedly connected on the side surface of the rear winding frame from front to back.

The utility model has the following beneficial effects:

in the utility model, the primary framework and the secondary framework are divided into two winding grooves, the primary framework is inserted between the two winding grooves, and the separated primary framework and secondary framework are inserted, so that the primary coil and the secondary coil are completely isolated and insulated under the condition of no tape insulation, and accord with the national safety standard.

Drawings

Fig. 1 is a schematic perspective view of a three-section wound small-sized electronic transformer according to the present utility model;

FIG. 2 is a schematic diagram of an upper core of a three-segment wound compact electronic transformer according to the present utility model;

fig. 3 is a schematic diagram of a primary winding skeleton of a three-section wound small-sized electronic transformer according to the present utility model;

fig. 4 is a schematic diagram of a secondary double-slot skeleton of a three-section wound small-sized electronic transformer according to the present utility model.

Legend description:

1. an upper magnetic core; 2. an upper stand; 3. a first secondary winding; 4. connecting sleeves; 5. a secondary double-groove skeleton; 6. an upper primary winding former; 7. an upper primary winding; 8. a lower primary winding; 9. a lower primary winding former; 10. a front wire winding slot; 11. a second secondary winding; 12. a lower vertical frame; 13. a lower magnetic core; 14. a rear bobbin; 15. and a rear winding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a three-section wire-wound small-size electronic transformer, including lower magnetic core 13, the top fixedly connected with lower grudging post 12 of lower magnetic core 13, the top fixedly connected with second secondary winding 11 of lower grudging post 12, the top fixedly connected with secondary double flute skeleton 5 of second secondary winding 11, the inside below fixedly connected with lower primary winding skeleton 9 of secondary double flute skeleton 5, the right both sides of lower primary winding skeleton 9 all fixedly connected with preceding wire winding groove 10, the inside top fixedly connected with of secondary double flute skeleton 5 goes up primary winding skeleton 6, go up primary winding skeleton 6 and the opposite face side middle part fixedly connected with of lower primary winding skeleton 9 primary winding 7, primary and secondary skeleton two parts, the secondary skeleton is two wire winding grooves, in the middle of two wire winding grooves, insert primary winding skeleton 6, the primary and secondary skeleton of separation, make primary and secondary coil, under the condition that does not need the sticky tape insulation, realize the complete isolation insulation.

Further explaining, the opposite face side of the upper primary winding skeleton 6 and the lower primary winding skeleton 9 is located the outer wall fixedly connected with lower primary winding 8 of upper primary winding 7, the top fixedly connected with adapter sleeve 4 of secondary double-slot skeleton 5, the top fixedly connected with upper riser 2 of adapter sleeve 4, the top fixedly connected with first secondary winding 3 of upper riser 2, the middle part of upper riser 2 is located the top fixedly connected with upper magnetic core 1 of first secondary winding 3, the rear side fixedly connected with back bobbin 14 of secondary double-slot skeleton 5, evenly fixedly connected with a plurality of back wire winding grooves 15 from front to back on the side of back bobbin 14, the secondary wire winding grooves divide into two parts, distribute in the upper and lower of preceding wire winding groove 10, back wire winding groove 15 keeps apart each other simultaneously, secondary winding 7 can divide into the wire winding in two different wire winding grooves like this, and is all insulated completely with upper primary winding 7, the technological effect of safe use has been realized, more convenient technical aim has been reached.

Working principle: firstly, the primary and secondary frameworks are divided into two parts, the secondary framework is designed into two winding grooves, the primary winding framework 6 is inserted between the two winding grooves, and the separated primary and secondary frameworks enable the primary and secondary coils to be completely isolated and insulated under the condition of no tape insulation, the secondary winding framework is divided into two parts and distributed on the upper and lower parts of the front winding groove 10, and meanwhile, the rear winding grooves 15 are mutually isolated, so that the upper primary winding 7 can be wound in two different winding grooves and is completely insulated with the upper primary winding 7, the technical effect of safe use is realized, and the technical purpose of convenience is achieved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A three-section wound miniature electronic transformer comprising a lower core (13), characterized in that: the top fixedly connected with of lower part magnetic core (13) is down found frame (12), the top fixedly connected with second secondary winding (11) of down found frame (12), the top fixedly connected with secondary double flute skeleton (5) of second secondary winding (11), the inside below fixedly connected with of secondary double flute skeleton (5) is primary winding skeleton (9) down, the equal fixedly connected with front winding groove (10) in the right-hand both sides of primary winding skeleton (9) down, the inside top fixedly connected with of secondary double flute skeleton (5) is primary winding skeleton (6) upward, upward primary winding skeleton (6) and the opposite face one side middle part fixedly connected with of primary winding skeleton (9) down are gone up primary winding (7).

2. A three-segment wound compact electronic transformer as recited by claim 1, further comprising: the opposite surface side of the upper primary winding framework (6) and the lower primary winding framework (9) is positioned on the outer wall of the upper primary winding (7) and is fixedly connected with a lower primary winding (8).

3. A three-segment wound compact electronic transformer as recited by claim 2, further comprising: the top of secondary double-groove skeleton (5) fixedly connected with adapter sleeve (4), the top fixedly connected with of adapter sleeve (4) goes up grudging post (2).

4. A three-segment wound compact electronic transformer as recited in claim 3, further comprising: the top of the upper vertical frame (2) is fixedly connected with a first secondary winding (3).

5. The three-segment wound compact electronic transformer as recited in claim 4, further comprising: the middle part of the upper stand (2) is positioned at the top of the first secondary winding (3) and is fixedly connected with an upper magnetic core (1).

6. A three-segment wound compact electronic transformer as recited by claim 5, further comprising: the rear side of the secondary double-groove framework (5) is fixedly connected with a rear winding frame (14).

7. The three-segment wound compact electronic transformer as recited in claim 6, further comprising: a plurality of rear winding grooves (15) are uniformly and fixedly connected on the side surface of the rear winding frame (14) from front to back.