A new transformer combination magnetic core

Abstract

A new transformer combined magnetic core comprises a first magnetic core assembly and a second magnetic core assembly; the first magnetic core assembly and the second magnetic core assembly are adhered to each other and bonded by glue; a first recess is formed on the first magnetic core assembly, and a second recess is formed on the second magnetic core assembly; the first recess and the second recess extend linearly along the same plane to form a heat dissipation air duct extending along the length direction of the new transformer combined magnetic core. By adopting two magnetic core assemblies to form a combined magnetic core through adhesion and bonding by glue, compared with a single magnetic core, energy conversion loss is smaller, and efficiency is higher; and by setting the recesses to form a heat dissipation air duct extending along the length direction of the new transformer combined magnetic core, heat dissipation efficiency can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of transformers, and more specifically, to a novel transformer composite magnetic core. Background Technology

[0002] Traditional DC transformers typically employ a single magnetic core structure. This structure results in significant losses during energy conversion, leading to low transformer efficiency and an inability to meet increasingly stringent energy efficiency requirements. Furthermore, the magnetic core structure of traditional DC transformers relies solely on its surface for heat dissipation, limiting the available surface area. Under high-power conditions, heat is difficult to dissipate quickly, further reducing transformer efficiency, shortening its lifespan, and even affecting the normal operation of the entire circuit. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a new type of transformer combined magnetic core that is highly efficient, has low loss and good heat dissipation performance, in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a novel transformer combined magnetic core is constructed, including a first magnetic core assembly and a second magnetic core assembly; the first magnetic core assembly and the second magnetic core assembly are attached to each other and bonded by adhesive; a first groove is formed on the first magnetic core assembly, and a second groove is formed on the second magnetic core assembly; the first groove and the second groove extend in a straight line along the same plane to form a heat dissipation duct extending along the length direction of the novel transformer combined magnetic core.

[0005] In the novel transformer composite magnetic core of this utility model, the first magnetic core assembly includes a first magnetic core base, a first magnetic column extending vertically from the middle of the first magnetic core base, a first sidewall extending vertically from a first side of the first magnetic core base, and a second sidewall extending vertically from a second side of the first magnetic core base; the first groove is disposed on the first sidewall. The second magnetic core assembly includes a second magnetic core base, a second magnetic post extending vertically from the middle of the second magnetic core base, a third sidewall extending vertically from a first side of the second magnetic core base, and a fourth sidewall extending vertically from a second side of the second magnetic core base; the second groove is disposed on the third sidewall.

[0006] In the novel transformer composite magnetic core of this utility model, the first magnetic post and the second magnetic post are attached together and bonded with glue, the first sidewall and the third sidewall are attached together and bonded with glue, and the second sidewall and the fourth sidewall are attached together and bonded with glue.

[0007] In the novel transformer composite magnetic core of this utility model, the first groove is disposed in the center of the first sidewall, and the depth of the first groove is equal to the thickness of the first sidewall; the second groove is disposed in the center of the third sidewall, and the depth of the second groove is equal to the thickness of the third sidewall; the thicknesses of the first sidewall and the third sidewall are equal.

[0008] In the novel transformer composite magnetic core of this utility model, the width of the first groove is between one-seventh and one-sixth of the width of the first sidewall; the width of the second groove is between one-seventh and one-sixth of the width of the third sidewall; the widths of the first sidewall and the third sidewall are equal.

[0009] In the novel transformer composite magnetic core described in this utility model, the first magnetic column and the second magnetic column are cylindrical; The mating surfaces of the first sidewall and the third sidewall are U-shaped, and the mating surfaces of the second sidewall and the fourth sidewall are U-shaped.

[0010] In the novel transformer combined magnetic core of this utility model, the side of the first sidewall adjacent to the first magnetic post is recessed to form a first arc surface that matches the shape of the first magnetic post, and the side of the second sidewall adjacent to the first magnetic post is recessed to form a second arc surface that matches the shape of the first magnetic post. The first arc surface and the second arc surface respectively form gaps with the first magnetic post. The third sidewall is recessed on the side adjacent to the second magnetic post to form a third arc surface that matches the shape of the second magnetic post. The fourth sidewall is recessed on the side adjacent to the second magnetic post to form a fourth arc surface that matches the shape of the second magnetic post. The third arc surface and the fourth arc surface respectively form gaps with the second magnetic post.

[0011] In the novel transformer composite magnetic core of this utility model, the first side and the second side of the first magnetic core base located between the first side wall and the second side wall respectively form a first V-shaped region and a second V-shaped region. The second magnetic core base is located between the third sidewall and the fourth sidewall. The first sidewall and the second sidewall are respectively recessed to form a third V-shaped region and a fourth V-shaped region.

[0012] In the novel transformer composite magnetic core of this utility model, positioning grooves for positioning the novel transformer composite magnetic core are provided in the middle of the second side wall and the fourth side wall.

[0013] The novel transformer composite magnetic core of this invention includes a first magnetic core assembly and a second magnetic core assembly; the first magnetic core assembly and the second magnetic core assembly are bonded together with adhesive; a first groove is formed on the first magnetic core assembly, and a second groove is formed on the second magnetic core assembly; the first groove and the second groove extend in a straight line along the same plane to form a heat dissipation channel extending along the length direction of the novel transformer composite magnetic core. By using two magnetic core assemblies bonded together with adhesive to form a composite magnetic core, compared with a single magnetic core, energy conversion losses are lower and efficiency is higher, and the heat dissipation efficiency can be effectively improved by setting grooves to form a heat dissipation channel extending along the length direction of the novel transformer composite magnetic core. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings: Figure 1 This is an exploded view of a preferred embodiment of the novel transformer composite magnetic core of this utility model; Figure 2 This is an assembly schematic diagram of a preferred embodiment of the novel transformer composite magnetic core of this utility model; Figure 3 This is a first-angle perspective view of a preferred embodiment of the magnetic core assembly of the novel transformer combined magnetic core of this utility model; Figure 4 This is a second perspective view of a preferred embodiment of the magnetic core assembly of the novel transformer combined magnetic core of this utility model. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0016] Figure 1 This is an exploded view of a preferred embodiment of the novel transformer composite magnetic core of this utility model. (See attached diagram.) Figure 1 As shown, the novel transformer composite magnetic core of this utility model includes a first magnetic core assembly 100 and a second magnetic core assembly 200; the first magnetic core assembly 100 and the second magnetic core assembly 200 are attached to each other and bonded with adhesive; a first groove 300 is formed on the first magnetic core assembly 100, and a second groove 400 is formed on the second magnetic core assembly 200; the first groove 300 and the second groove 400 extend in a straight line along the same plane to form a heat dissipation duct extending along the length direction L of the novel transformer composite magnetic core.

[0017] This invention uses two magnetic core components bonded together with adhesive to form a combined magnetic core. Compared with a single magnetic core, this results in less energy loss and higher efficiency during energy conversion. Furthermore, by setting grooves to form a heat dissipation channel extending along the length of the novel transformer combined magnetic core, heat dissipation efficiency can be effectively improved.

[0018] Figure 2 This is an assembly schematic diagram of a preferred embodiment of the novel transformer composite magnetic core of this utility model; Figure 3 This is a first-angle perspective view of a preferred embodiment of the magnetic core assembly of the novel transformer combined magnetic core of this utility model; Figure 4 This is a second perspective view of a preferred embodiment of the magnetic core assembly of the novel transformer combined magnetic core of this utility model.

[0019] In a preferred embodiment of this utility model, such as Figures 2-4 As shown, the first magnetic core assembly 100 and the second magnetic core assembly 200 are identical magnetic core assemblies. The first magnetic core assembly 100 includes a first magnetic core base 110, a first magnetic post 120 extending vertically from the center of the first magnetic core base 110, a first sidewall 130 extending vertically from a first side of the first magnetic core base 110, and a second sidewall 140 extending vertically from a second side of the first magnetic core base 110; a first groove 300 is disposed on the first sidewall 130. The second magnetic core assembly 200 includes a second magnetic core base 210, a second magnetic post 220 extending vertically from the center of the second magnetic core base 210, a third sidewall 230 extending vertically from a first side of the second magnetic core base 210, and a fourth sidewall 240 extending vertically from a second side of the second magnetic core base 210; a second groove 400 is disposed on the third sidewall 230.

[0020] In the preferred embodiment of this utility model, such as Figures 2-4 As shown, the first magnetic post 120 and the second magnetic post 220 are attached together and bonded with adhesive, the first sidewall 130 and the third sidewall 230 are attached together and bonded with adhesive, and the second sidewall 140 and the fourth sidewall 240 are attached together and bonded with adhesive.

[0021] In the preferred embodiment of this utility model, such as Figures 2-4 As shown, the first groove 300 is disposed in the center of the first sidewall 130, and the depth of the first groove 300 is equal to the thickness of the first sidewall 130; the second groove 400 is disposed in the center of the third sidewall 230, and the depth of the second groove 400 is equal to the thickness of the third sidewall 230; the thicknesses of the first sidewall 130 and the third sidewall 230 are equal. The first groove 300 and the second groove 400 are elongated.

[0022] In a preferred embodiment of the present invention, the width of the first groove 300 is between one-seventh and one-sixth of the width of the first sidewall 130; the width of the second groove 400 is between one-seventh and one-sixth of the width of the third sidewall 230; and the widths of the first sidewall 130 and the third sidewall 230 are equal.

[0023] In the preferred embodiment of this utility model, such as Figures 2-4 As shown, the first magnetic post 120 and the second magnetic post 220 are cylindrical; the mating surfaces of the first sidewall 130 and the third sidewall 230 are U-shaped, and the mating surfaces of the second sidewall 140 and the fourth sidewall 240 are U-shaped; the side of the first sidewall 130 adjacent to the first magnetic post 120 is concave to form a first arc surface 131 matching the shape of the first magnetic post 120, and the side of the second sidewall 140 adjacent to the first magnetic post 120 is concave to form a second arc surface 141 matching the shape of the first magnetic post 120. The side of the third sidewall 230 adjacent to the second magnetic post 220 is concave to form a third arc surface 231 matching the shape of the second magnetic post 220, and the side of the fourth sidewall 240 adjacent to the second magnetic post 220 is concave to form a fourth arc surface 241 matching the shape of the second magnetic post 220. Gaps are formed between the first arc surface 131 and the second arc surface 141 and the first magnetic post 120, thereby facilitating winding installation and ventilation. The third arc surface 231 and the fourth arc surface 241 respectively form gaps with the second magnetic post 220, thereby facilitating winding installation and ventilation.

[0024] In the preferred embodiment of this utility model, such as Figures 2-4 As shown, the first magnetic core base 110 has its first and second sides recessed between the first sidewall 130 and the second sidewall 140 to form a first V-shaped region 111 and a second V-shaped region 112, respectively. The second magnetic core base 210 has its first and second sides recessed between the third sidewall 230 and the fourth sidewall 240 to form a third V-shaped region 211 and a fourth V-shaped region 212, respectively. The design of the first V-shaped region 111, the second V-shaped region 112, the third V-shaped region 211, and the fourth V-shaped region 212 further facilitates heat dissipation.

[0025] In the preferred embodiment of this utility model, such as Figures 2-4As shown, positioning slots 500 for positioning the novel transformer composite core are provided in the middle of the second sidewall 140 and the fourth sidewall 240. By positioning the slots in the middle of the second sidewall 140 and the fourth sidewall 240, the novel transformer composite core can be installed onto the side plate through the positioning slots, thereby achieving vertical installation of the novel transformer composite core, which can further improve heat dissipation.

[0026] This invention relates to a novel transformer core assembly. The first magnetic post 120 and the second magnetic post 220 are bonded together with adhesive, the first sidewall 130 and the third sidewall 230 are bonded together with adhesive, and the second sidewall 140 and the fourth sidewall 240 are bonded together with adhesive. This reconstructs the core structure of a traditional DC transformer. By adopting a vertical magnet bonding assembly connection method, the magnetic circuit is optimized. Compared with a single magnetic core, it has less energy loss, higher efficiency, and smaller size during energy conversion.

[0027] This novel transformer core assembly features grooves on the first sidewall 130 and the third sidewall 230 (i.e., the bottom of the novel transformer core assembly). These grooves are elongated and positioned along the direction of the core assembly, midway between the first sidewall 130 and the third sidewall 230. The depth of the grooves is the width of the sidewall, and the width is one-sixth to one-seventh of the width of the first sidewall 130 and the third sidewall 230. The groove design increases the contact area with air, allowing for more efficient airflow through the grooves and removing more heat when air cooling is used. The V-shaped design of the first core base 110 and the second core base 210, along with the curved design of the sidewalls, further facilitates winding installation and ventilation.

[0028] In implementing the novel transformer core assembly of this utility model, high-performance special adhesive is first applied to the mating surfaces of the first core assembly 100 and the second core assembly 200. The adhesive is applied evenly to cover the connecting surfaces, ensuring a stable and airtight bond. Then, bottom-to-bottom and side-to-side bonding is completed, forming a stable overall structure. Simultaneously, during processing, the inner walls of the air ducts and independent grooves are finely treated, using grinding and polishing processes to ensure a smooth, burr-free surface, allowing for smooth airflow and further improving heat dissipation.

[0029] Although this utility model has been described through specific embodiments, those skilled in the art should understand that various modifications and equivalent substitutions can be made to this utility model without departing from its scope. Furthermore, various modifications can be made to this utility model for specific situations or materials without departing from its scope. Therefore, this utility model is not limited to the specific embodiments disclosed, but should include all embodiments falling within the scope of the claims of this utility model.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel transformer composite magnetic core, characterized in that, It includes a first magnetic core assembly and a second magnetic core assembly; the first magnetic core assembly and the second magnetic core assembly are attached to each other and bonded by adhesive; a first groove is formed on the first magnetic core assembly and a second groove is formed on the second magnetic core assembly; the first groove and the second groove extend in a straight line along the same plane to form a heat dissipation duct extending along the length direction of the novel transformer assembly magnetic core.

2. The novel transformer composite magnetic core according to claim 1, characterized in that, The first magnetic core assembly includes a first magnetic core base, a first magnetic post extending vertically from the middle of the first magnetic core base, a first sidewall extending vertically from a first side of the first magnetic core base, and a second sidewall extending vertically from a second side of the first magnetic core base; the first groove is disposed on the first sidewall. The second magnetic core assembly includes a second magnetic core base, a second magnetic post extending vertically from the middle of the second magnetic core base, a third sidewall extending vertically from a first side of the second magnetic core base, and a fourth sidewall extending vertically from a second side of the second magnetic core base; the second groove is disposed on the third sidewall.

3. The novel transformer composite magnetic core according to claim 2, characterized in that, The first magnetic post and the second magnetic post are attached together and bonded with adhesive, the first sidewall and the third sidewall are attached together and bonded with adhesive, and the second sidewall and the fourth sidewall are attached together and bonded with adhesive.

4. The novel transformer composite magnetic core according to claim 3, characterized in that, The first groove is disposed in the center of the first sidewall, and the depth of the first groove is equal to the thickness of the first sidewall; the second groove is disposed in the center of the third sidewall, and the depth of the second groove is equal to the thickness of the third sidewall; the thicknesses of the first sidewall and the third sidewall are equal.

5. The novel transformer composite magnetic core according to claim 4, characterized in that, The width of the first groove is between one-seventh and one-sixth of the width of the first sidewall; the width of the second groove is between one-seventh and one-sixth of the width of the third sidewall; the widths of the first sidewall and the third sidewall are equal.

6. The novel transformer composite magnetic core according to any one of claims 2 to 5, characterized in that, The first magnetic post and the second magnetic post are cylindrical; The mating surfaces of the first sidewall and the third sidewall are U-shaped, and the mating surfaces of the second sidewall and the fourth sidewall are U-shaped.

7. The novel transformer composite magnetic core according to claim 6, characterized in that, The side of the first sidewall adjacent to the first magnetic post is recessed to form a first arc surface that matches the shape of the first magnetic post, and the side of the second sidewall adjacent to the first magnetic post is recessed to form a second arc surface that matches the shape of the first magnetic post. The first arc surface and the second arc surface respectively form gaps with the first magnetic post. The third sidewall is recessed on the side adjacent to the second magnetic post to form a third arc surface that matches the shape of the second magnetic post. The fourth sidewall is recessed on the side adjacent to the second magnetic post to form a fourth arc surface that matches the shape of the second magnetic post. The third arc surface and the fourth arc surface respectively form gaps with the second magnetic post.

8. The novel transformer composite magnetic core according to any one of claims 2 to 5, characterized in that, The first magnetic core base has its first side and second side recessed between the first sidewall and the second sidewall to form a first V-shaped region and a second V-shaped region, respectively. The second magnetic core base is located between the third and fourth side walls. The first and second side walls are respectively recessed to form a third V-shaped region and a fourth V-shaped region.

9. The novel transformer composite magnetic core according to any one of claims 2 to 5, characterized in that, The second sidewall and the fourth sidewall are provided with positioning grooves in the middle for positioning the novel transformer composite magnetic core.

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