CN215342223U

CN215342223U - Flat high-frequency electronic transformer utilizing heat-conducting glue for heat dissipation

Info

Publication number: CN215342223U
Application number: CN202121925055.5U
Authority: CN
Inventors: 徐红日
Original assignee: Feelux Optoelectronic Shandong Co Ltd
Current assignee: Feelux Optoelectronic Shandong Co Ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-12-28
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to the technical field of electronic equipment, and discloses a flat high-frequency electronic transformer utilizing heat-conducting glue to dissipate heat, wherein a primary winding is sleeved in the middle of the upper wall of a base, a secondary winding is arranged on the upper wall of the primary winding, a winding framework is arranged on the upper wall of the secondary winding, and the secondary winding is sleeved on the winding framework, the utility model combines a transformer coil, the winding framework and a magnetic core together by using the heat-conducting glue to conduct the heat of the coil in the transformer to the outer surface, thereby increasing the heat dissipation area of the whole transformer, the primary winding of the transformer adopts self-adhesive wires, a hollow coil is manufactured and is placed in the framework, the secondary winding winds the coil on the framework, a glue-pouring base is designed, the heat-conducting glue is injected into the base, the coil and the framework are combined together through the heat-conducting glue, the whole transformer is reduced, and under the condition that the volume of the transformer is not changed through the two functions, the temperature rise is greatly reduced during operation.

Description

Flat high-frequency electronic transformer utilizing heat-conducting glue for heat dissipation

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to a flat high-frequency electronic transformer utilizing heat-conducting glue for heat dissipation.

Background

At present, the temperature rise of a switching power supply transformer during working is an important index, the performance and the volume of the transformer are directly determined, the temperature rise of the traditional transformer is reduced by increasing the diameter of a copper wire and the volume of a magnetic core, the cost of the transformer is increased, and the volume of the transformer is increased, so that technical personnel in the field provide a flattened high-frequency electronic transformer utilizing heat-conducting glue for heat dissipation, and the problems in the background art are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flat high-frequency electronic transformer utilizing heat-conducting glue to dissipate heat, a transformer coil, a winding framework and a magnetic core are combined together by the heat-conducting glue to conduct the heat of the coil in the transformer to the outer surface, so that the heat dissipation area of the whole transformer is increased, a primary winding of the transformer adopts a self-adhesive wire to manufacture a hollow coil and is placed in the framework, a secondary winding is wound on the framework, a glue-filled base is designed, the heat-conducting glue is injected into the base, the coil and the framework are combined together through the heat-conducting glue, the heat resistance of the whole transformer is reduced, and the temperature rise of the transformer is greatly reduced under the condition of unchanged volume under the two actions during working.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an utilize radiating flat high frequency electronic transformer of heat-conducting glue, includes the base, the last wall middle part cover of base is equipped with primary, primary's last wall is provided with secondary, and secondary's last wall is provided with bobbin, and secondary overlaps and establish on bobbin, and primary sets up in bobbin's inside, and bobbin's last wall is provided with first magnetic core, and the lower wall of base is provided with the second magnetic core.

As a still further scheme of the utility model: and an opening corresponding to the first magnetic core is formed in the upper wall of the winding framework.

As a still further scheme of the utility model: the lower surface wall of the base is provided with an opening corresponding to the second magnetic core.

As a still further scheme of the utility model: and the lower surface wall of the winding framework is provided with a clamping groove corresponding to the primary winding.

As a still further scheme of the utility model: the outer diameter of the primary winding is smaller than the inner diameter of the secondary winding.

Compared with the prior art, the utility model has the beneficial effects that:

through to transformer coil, wire winding skeleton and magnetic core combine together with heat conduction glue, heat conduction to the surface of transformer inner coil, increase the heat radiating area of whole transformer, transformer primary winding adopts the self-adhesive wire, preparation hollow coil, put into the skeleton, secondary winding is wire winding on the skeleton, design encapsulating base, heat conduction glue pours into in the base, coil and skeleton combine together through heat conduction glue, reduce whole transformer thermal resistance, through above-mentioned two kinds of effects, make the transformer in the unchangeable condition of volume, the temperature rise descends by a wide margin at the during operation, through embedment heat conduction glue, the coil, magnetic core and skeleton are wholly combined together, it is the heat and derives the transformer surface fast, reduce the inside temperature of transformer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the bobbin of the present invention;

FIG. 3 is a bottom view of the bobbin of the present invention;

FIG. 4 is a top view of the base of the present invention;

fig. 5 is a diagram of the primary winding of the present invention.

In the figure: 1. a first magnetic core; 2. winding a bobbin; 3. a secondary winding; 4. a primary winding; 5. a base; 6. a second magnetic core.

Detailed Description

Example 1

Referring to fig. 1, 2, 3, 4 and 5, a flattened high-frequency electronic transformer using thermal conductive adhesive for heat dissipation includes a base 5, a primary winding 4 is sleeved on the middle portion of the upper wall of the base 5, a secondary winding 3 is disposed on the upper wall of the primary winding 4, a bobbin 2 is disposed on the upper wall of the secondary winding 3, the secondary winding 3 is sleeved on the bobbin 2, the primary winding 4 is disposed inside the bobbin 2, a first magnetic core 1 is disposed on the upper wall of the bobbin 2, and a second magnetic core 6 is disposed on the lower wall of the base 5.

In fig. 1, an opening corresponding to the first magnetic core 1 is formed in an upper surface wall of the bobbin 2, an opening corresponding to the second magnetic core 6 is formed in a lower surface wall of the base 5, a slot corresponding to the primary winding 4 is formed in the lower surface wall of the bobbin 2, and the secondary winding 3 having an outer diameter smaller than an inner diameter of the secondary winding 3 is located inside the primary winding 4.

During the use, transformer coil, bobbin 2 and first magnetic core 1 combine together with heat conduction glue, the heat conduction of transformer inner coil is to the surface, increase the heat radiating area of whole transformer, transformer primary winding 4 adopts the self-adhesive wire, preparation hollow coil, put into bobbin 2, secondary 3 winds on bobbin 2, design encapsulating base 5, heat conduction glue pours into in the base 5, coil and bobbin 2 combine together through heat conduction glue, reduce whole transformer thermal resistance, through above-mentioned two kinds of effects, make the transformer in the unchangeable condition of volume, the temperature rise descends by a wide margin at the during operation, through embedment heat conduction glue, the coil, first magnetic core 1, second magnetic core 6 and bobbin 2 wholly combine together, it derives the transformer surface fast to the heat, reduce the inside temperature of transformer.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides an utilize radiating flat high frequency electronic transformer of heat-conducting glue, includes base (5), its characterized in that, the last wall middle part cover of base (5) is equipped with primary winding (4), the last wall of primary winding (4) is provided with secondary winding (3), and the last wall of secondary winding (3) is provided with bobbin (2), and secondary winding (3) cover is established on bobbin (2), and primary winding (4) set up the inside at bobbin (2), and the last wall of bobbin (2) is provided with first magnetic core (1), and the lower wall of base (5) is provided with second magnetic core (6).

2. The flattened high-frequency electronic transformer for dissipating heat by using heat-conducting adhesive as claimed in claim 1, wherein the upper wall of the bobbin (2) is provided with an opening corresponding to the first magnetic core (1).

3. The flattened high-frequency electronic transformer for dissipating heat by using heat-conducting adhesive as claimed in claim 1, wherein the lower surface wall of the base (5) is provided with an opening corresponding to the second magnetic core (6).

4. The flattened high-frequency electronic transformer for dissipating heat by using heat-conducting adhesive as claimed in claim 1, wherein the lower surface wall of the bobbin (2) is provided with a slot corresponding to the primary winding (4).

5. The flattened high-frequency electronic transformer for dissipating heat by using heat-conducting paste as claimed in claim 1, wherein the outer diameter of the primary winding (4) is smaller than the inner diameter of the secondary winding (3).