Anti-saturation magnetic core with good heat dissipation effect
By setting heat dissipation holes at the core column and side legs of the magnetic core and adopting a segmented structure, the problem of poor heat dissipation of traditional magnetic cores is solved, achieving good heat dissipation effect and anti-saturation capability, optimizing the volume of the magnetic core and the winding area ratio, and improving the inductance and output power.
Patent Information
- Application Number
- CN202423220549.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Traditional magnetic cores are small and have a compact structure, resulting in poor heat dissipation, which affects transmission efficiency and may cause the device to burn out.
Heat dissipation holes are set at the core post and side legs of the magnetic core to optimize the volume and surface area ratio of the magnetic core. A segmented structure is adopted to improve heat dissipation and anti-saturation capability.
While maintaining the core strength, the heat dissipation effect was improved, the core volume and winding area ratio were optimized, the maximum inductance and output power were achieved, and the size and weight of the transformer were reduced.
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Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of magnetic core, more specifically relates to a kind of anti-saturation magnetic core with good heat dissipation effect. BACKGROUND
[0002] Magnetic core refers to a kind of sintered magnetic metal oxide composed of various iron oxide mixtures, and the traditional magnetic core is mainly PQ, EQ, ER and the like. With the development, the requirement for magnetic core is higher and higher, and the volume of magnetic core is smaller and smaller, and the wire package is more compact.
[0003] However, due to the small volume of the magnetic core and the more compact structure, the magnetic core wire package is too large, and the heat dissipation effect of the core column and the like is poor after potting, the temperature of the magnetic core rises, which affects the transmission efficiency, and even the machine is burned.
[0004] Therefore, to provide an anti-saturation magnetic core with good heat dissipation effect is a problem that the skilled in the art needs to solve.
[0005] UTILITY MODEL
[0006] Therefore, the utility model provides an anti-saturation magnetic core with good heat dissipation effect, which improves the heat dissipation effect on the basis of maintaining the strength of the magnetic core.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0008] An anti-saturation magnetic core with good heat dissipation effect comprises a bottom plate, a core column arranged in the middle of the bottom plate, and two edge legs arranged on both sides of the bottom plate, the core column and the corresponding part of the bottom plate have first heat dissipation holes, and each edge leg and the corresponding part of the bottom plate have second heat dissipation holes.
[0009] Through the above technical scheme, the utility model has the following beneficial effects:
[0010] The first heat dissipation holes dissipate heat at the core column position, and the second heat dissipation holes dissipate heat at the edge leg position (magnetic core edge), thereby improving the heat dissipation effect on the basis of maintaining the strength of the magnetic core.
[0011] Further, the cross section of the core column is a circle, and the upper and lower sides of the core column are located inside the bottom plate.
[0012] The above further technical scheme has the beneficial effect of optimizing the ratio between the volume, surface area and winding area of the magnetic core, using the smallest magnetic core to provide the maximum inductance and maximize the winding area, which can obtain the maximum output power with the smallest transformer volume and weight and occupy the smallest PCB installation space.
[0013] Further, the first heat dissipation holes are two in number, and the two first heat dissipation holes are respectively located on two sides of the core column along the length direction.
[0014] The above further technical solution has the beneficial effect of improving the heat dissipation effect.
[0015] Further, the magnetic core is a segmented magnetic core.
[0016] The above further technical solution has the beneficial effect of greatly improving the anti-saturation capability of the magnetic core.
[0017] Further, the second heat dissipation hole is located at the edge of the leg, and the second heat dissipation hole is in a U shape. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only a part of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.
[0019] Fig. 1 The drawing is a perspective structural schematic diagram of the anti-saturation magnetic core with good heat dissipation effect provided by the present application.
[0020] Fig. 2 The drawing is a top view of the anti-saturation magnetic core with good heat dissipation effect provided by the present application.
[0021] Fig. 3 The drawing is a bottom view of the anti-saturation magnetic core with good heat dissipation effect provided by the present application. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] As Figs. 1-3The utility model discloses an anti -saturation magnetic core with good heat dissipation effect, including bottom plate 1, the core post 2 of layout in the middle part of bottom plate 1 and the two side legs 3 of layout in bottom plate 1 both sides, the core post 2 and bottom plate 1 with the first heat dissipation hole 4 of core post 2 corresponding part, every side leg 3 and bottom plate 1 with the second heat dissipation hole 5 of side leg 3 corresponding part all have. The utility model first heat dissipation hole 4 carries out heat dissipation to the core post 2 position, and the second heat dissipation hole 5 carries out heat dissipation to the side leg 3 position (magnetic core edge), thereby on the basis of keeping the strength of magnetic core, improve the heat dissipation effect.
[0024] Specifically, the core post 2 is circular in cross section, and the upper and lower sides of the core post 2 are located inside the bottom plate 1, so as to optimize the ratio among the volume, surface area and winding area of the magnetic core, and it is possible to provide maximum inductance and maximize winding area with minimum magnetic core, so that maximum output power can be obtained with minimum transformer volume and weight, and minimum PCB installation space is occupied.
[0025] In order to further optimize the technical scheme of the utility model, the number of the first heat dissipation holes 4 is two, and the two first heat dissipation holes 4 are located on the two sides of the core post 2 along the length direction, so as to improve the heat dissipation effect.
[0026] In order to further optimize the technical scheme of the utility model, the magnetic core is a segmented magnetic core, which greatly improves the anti-saturation capability of the magnetic core.
[0027] Specifically, the second heat dissipation hole 5 is located at the edge of the side leg 3, and the second heat dissipation hole 5 is U-shaped.
[0028] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.
[0029] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications of the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An anti-saturation magnetic core with good heat dissipation effect, comprising a bottom plate, a core column arranged in the middle of the bottom plate, and two side legs arranged on both sides of the bottom plate, characterized in that, The core column and the bottom plate have first heat dissipation holes at the positions corresponding to the core column; each of the side legs and the bottom plate has second heat dissipation holes at the positions corresponding to the side legs.
2. The anti-saturation core with good heat dissipation effect according to claim 1, characterized in that, The core column has a cross section in the shape of a circle, and the upper and lower sides of the core column are located inside the bottom plate.
3. The anti-saturation core according to claim 2, wherein the core has a good heat dissipation effect. The first heat dissipation holes are two in number, and the two first heat dissipation holes are respectively located on the two sides of the core column along the length direction.
4. The anti-saturation core of claim 1, wherein the core has a good heat dissipation effect. The magnetic core is a sectional magnetic core.
5. The anti-saturation core of claim 1, wherein the core has a good heat dissipation effect. The second heat dissipation holes are located at the edges of the side legs, and the second heat dissipation holes are in the shape of U.