CN219267445U

CN219267445U - Planar transformer substrate

Info

Publication number: CN219267445U
Application number: CN202223379343.2U
Authority: CN
Inventors: 潘凯
Original assignee: Wuxi Randi Electronics Co ltd
Current assignee: Wuxi Randi Electronics Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-27
Anticipated expiration: 2032-12-16

Abstract

The utility model belongs to the technical field of planar transformers, and discloses a planar transformer substrate which comprises a substrate body, wherein a transformer coil is fixedly connected in the middle of the top surface of the substrate body, a first hole is formed in the middle of the top surface of the substrate body, a heat dissipation groove is formed in the bottom surface of the substrate body, and a heat dissipation hole is formed in the top surface of the substrate body in a penetrating mode. According to the utility model, the radiating holes are formed close to the edges of the transformer coil, so that after the heat emitted by the transformer coil during operation is conducted to the substrate body, a part of heat is emitted by the radiating holes during conduction to the outer side of the substrate body, the heat continuously conducted to the outer side of the substrate body is reduced, the heat dissipation performance of the back surface of the substrate body is improved through the radiating grooves on the bottom surface of the substrate body, and meanwhile, the air permeability of the upper end and the lower end of the substrate body is improved through the first holes and the radiating holes, so that the substrate body is convenient to radiate, and the substrate radiating effect is realized comprehensively.

Description

Planar transformer substrate

Technical Field

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

Background

Planar magnetic cores are successfully developed, planar transformer designs can be realized, and compared with conventional transformers, the planar magnetic cores have the characteristics of greatly reduced size, particularly greatly reduced height, and have quite great attraction to power supply equipment in the occasion of severely limited space, so that the planar magnetic cores are applied to a plurality of power supply equipment.

In the prior art, a substrate of a planar transformer is generally a printed circuit board, a transformation electric coil in the circuit board is generally made of copper material, heat is generated by copper resistance of a transformation electric coil when the planar transformer works, and after the transformation electric coil in the circuit board works for a long time, the heat emitted is large, and if the heat is dissipated only by means of the characteristic that elements on the circuit board are exposed outside, the circuit board is easy to burn out, so that the planar transformer cannot work normally, and a planar transformer substrate is designed according to the situation.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a planar transformer substrate, which achieves the aim of good heat dissipation effect by adopting the structures such as the first holes, the heat dissipation grooves and the like, and the heat dissipation holes are formed close to the edges of the transformer coil, so that when the transformer coil works, heat emitted by the transformer coil is conducted to the substrate body and then is conducted to the outer side of the substrate body, a part of heat is emitted by the heat dissipation holes, the heat continuously conducted to the outer side of the substrate body is reduced, and the advantage of good heat dissipation effect of the substrate is achieved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a planar transformer base plate, includes the base plate body, fixedly connected with transformer coil in the middle of the base plate body top surface, first hole has been seted up in the middle of the base plate body top surface, the radiating groove has been seted up to the base plate body bottom surface, the radiating hole has been seted up in the base plate body top surface penetration.

In the above technical solution, preferably, the transformer coil is integrally in a vortex shape, and the first hole is located in the middle of the transformer coil.

In the above technical scheme, preferably, the substrate body is wholly cross-shaped, two first fixing holes are formed in the front end and the rear end of the top surface of the substrate body, and two second fixing holes are formed in the left end and the right end of the top surface of the substrate body.

In the above technical solution, preferably, the heat dissipation grooves and the heat dissipation holes are staggered, and eight heat dissipation grooves are located below the transformer coil.

In the above technical solution, preferably, the heat dissipation holes are formed in the edges of the transformer coil, and the total number of the heat dissipation holes is thirty-four.

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

according to the utility model, the purpose of good heat dissipation effect of the substrate is achieved through the structures such as the first holes, the heat dissipation grooves and the like, the heat dissipation holes are formed close to the edges of the transformer coil, so that when the transformer coil works, heat emitted by the transformer coil is conducted to the substrate body and then is conducted to the outer side of the substrate body, a part of the heat is emitted by the heat dissipation holes, the heat continuously conducted to the outer side of the substrate body is reduced, the heat dissipation performance of the back surface of the substrate body is improved through the heat dissipation grooves on the bottom surface of the substrate body, and meanwhile, the air permeability of the upper end and the lower end of the substrate body is increased through the first holes and the heat dissipation holes, the heat dissipation of the substrate body is facilitated, and the heat dissipation effect of the substrate is achieved comprehensively.

Drawings

FIG. 1 is a schematic top view of the structure of the present utility model;

fig. 2 is a schematic view of the lower end of the structure of the present utility model.

In the figure: 1. a substrate body; 2. a transformer coil; 3. a first hole; 4. a heat radiation hole; 5. a first fixing hole; 6. a second fixing hole; 7. a heat sink.

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.

As shown in fig. 1 to 2, the present utility model provides a planar transformer substrate, which comprises a substrate body 1, wherein a transformer coil 2 is fixedly connected in the middle of the top surface of the substrate body 1, a first hole 3 is provided in the middle of the top surface of the substrate body 1, a heat dissipation groove 7 is provided on the bottom surface of the substrate body 1, and a heat dissipation hole 4 is provided on the top surface of the substrate body 1.

As shown in fig. 1, the transformer coil 2 is in a vortex shape as a whole, and the first hole 3 is positioned in the middle of the transformer coil 2; through the design of the transformer coil 2, the overall material cost of the substrate body 1 is reduced, and meanwhile, the design of the transformer coil 2 increases the permeability of the upper end and the lower end of the substrate body 1, so that the heat dissipation of the substrate body 1 is effectively promoted.

As shown in fig. 1, the substrate body 1 is in a cross shape, the front end and the rear end of the top surface of the substrate body 1 are provided with two first fixing holes 5, and the left end and the right end of the top surface of the substrate body 1 are provided with two second fixing holes 6; through four first fixed orifices 5, the installation of the magnetic core of the upper and lower ends of the base plate body 1 of being convenient for is fixed, and through four second fixed orifices 6, the holistic installation of base plate body 1 of being convenient for is fixed.

As shown in fig. 1 and 2, the heat dissipation grooves 7 and the heat dissipation holes 4 are staggered, eight heat dissipation grooves 7 are positioned below the transformer coil 2, the heat dissipation holes 4 are arranged at the edge of the transformer coil 2, and thirty-four heat dissipation holes 4 are arranged in total; through heat dissipation groove 7, increase the heat dissipation function on base plate body 1 back, be close to the design of being convenient for set up of transformer coil 2 through louvre 4, diffuse the heat that transformer coil 2 sent more fast, reduce the heat to base plate body 1 body conduction

The working principle and the using flow of the utility model are as follows:

during installation, the magnetic core is installed at the upper end and the lower end of the substrate body 1 through the first fixing holes 5, and the substrate body 1 is fixed through the second fixing holes 6 at the two sides of the substrate body 1; during operation, the transformer coil 2 can give out heat, conduct gives the base plate body 1, through hugging closely the louvre 4 of seting up at transformer coil 2 border, after the heat conduction was given the base plate body 1, when heat continued to spread on the base plate body 1, the louvre 4 can give off the heat of part conduction in the air, reduce the heat that continues to conduct, through the radiating groove 7 of base plate body 1 lower extreme, increase the heat dissipation of base plate body 1 itself, simultaneously through the permeability of first hole 3 and louvre 4 increase base plate body 1 upper and lower extreme, promote the radiating of base plate body 1.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A planar transformer substrate comprising a substrate body (1), characterized in that: the transformer coil (2) is fixedly connected in the middle of the top surface of the substrate body (1), the first hole (3) is formed in the middle of the top surface of the substrate body (1), the heat dissipation groove (7) is formed in the bottom surface of the substrate body (1), and the heat dissipation hole (4) is formed in the top surface of the substrate body (1) in a penetrating mode.

2. A planar transformer substrate according to claim 1, wherein: the transformer coil (2) is integrally vortex-shaped, and the first hole (3) is positioned in the middle of the transformer coil (2).

3. A planar transformer substrate according to claim 1, wherein: the novel solar cell panel is characterized in that the substrate body (1) is integrally in a cross shape, two first fixing holes (5) are formed in the front end and the rear end of the top surface of the substrate body (1), and two second fixing holes (6) are formed in the left end and the right end of the top surface of the substrate body (1).

4. A planar transformer substrate according to claim 1, wherein: the radiating grooves (7) are staggered with the radiating holes (4), and eight radiating grooves (7) are positioned below the transformer coil (2).

5. A planar transformer substrate according to claim 1, wherein: the radiating holes (4) are formed in the edge of the transformer coil (2), and the total number of the radiating holes (4) is thirty-four.