Manganese zinc ferrite core with high saturation magnetic flux density
By setting horizontal and vertical heat dissipation grooves between the manganese-zeb ferrite cores, and applying ferrite coatings and setting reinforcement strips on the surface, the problem of poor heat dissipation during stacking and use of the ferrite core is solved, and the durability and deformation resistance of the core are improved.
Patent Information
- Application Number
- CN202421359387.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-14
AI Technical Summary
When using ferrite cores, when multiple sets of magnetic cores are stacked together, due to their mutual bonding state, heat cannot be effectively dissipated, affecting the durability of the core.
A manganese zinc ferrite core with high saturation flux density is designed, and a "cross" cross design is formed by setting horizontal and vertical heat dissipation grooves between the cores to increase gaps and promote heat dissipation. In addition, the surface is coated with a ferrite coating and reinforcement strips are provided to enhance deformation resistance and wear resistance.
It effectively promotes heat dissipation between the cores, avoids heat accumulation, improves the durability of the core, and enhances resistance to deformation and wear.
Smart Images
Figure CN222653760U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ferrite cores, in particular to a manganese-zinc ferrite core with high saturation magnetic flux density. Background Art
[0002] There are two types of magnetic core materials: ferrite and metal. In recent years, with the high frequency of electronic equipment, the most widely used is ferrite material with high-quality high-frequency characteristics. Ferrite core is a high-frequency magnetic material, mainly used for high-frequency transformers, high-frequency magnetic rings, etc., to increase magnetic permeability and improve inductance quality factors, and is used in transformers.
[0003] However, when using ferrite cores, multiple groups of ferrite cores may need to be stacked together for use. At this time, each group of ferrite cores are in a state of being bonded to each other, and the heat generated by the ferrite cores during operation cannot be well dissipated, which will have a certain impact on the durability of the cores.
[0004] In view of this, the utility model proposes a manganese-zinc ferrite core with high saturation magnetic flux density. Utility Model Content
[0005] The utility model proposes a manganese-zinc ferrite core with a high saturation magnetic flux density, which solves the problem in the related art that when using the ferrite core, multiple groups of ferrite cores may need to be stacked together for use. At this time, each group of ferrite cores are in a state of mutual adhesion, and the heat generated by the ferrite core during operation cannot be well dissipated, which will have a certain impact on the durability of the core.
[0006] The technical solution of the utility model is as follows: a manganese-zinc ferrite core with high saturation magnetic flux density, comprising a first magnetic core, a card slot is arranged on the right side of the first magnetic core, a connecting block is embedded in the card slot, a second magnetic core which is bonded to the first magnetic core is fixedly connected to the right side of the connecting block, the tops of the first magnetic core and the second magnetic core are both provided with transverse heat dissipation grooves, and the sides of the transverse heat dissipation grooves are provided with vertical heat dissipation grooves located at the tops and bottoms of the first magnetic core and the second magnetic core.
[0007] Preferably, the surfaces of the first magnetic core and the second magnetic core are coated with a ferrite coating, and a groove is provided on the surface of the first magnetic core and the second magnetic core on one side of the ferrite coating, and a reinforcing strip is fixedly connected inside the groove.
[0008] Preferably, the first magnetic core and the second magnetic core are both "U"-shaped structures, and the first magnetic core and the second magnetic core form a closed-loop structure.
[0009] Preferably, the transverse heat dissipation grooves and the vertical heat dissipation grooves are designed in a cross shape, and the transverse heat dissipation grooves and the vertical heat dissipation grooves are interconnected at the edges of the first magnetic core and the second magnetic core.
[0010] Preferably, the connecting block and the slot are in close contact with each other.
[0011] Preferably, the ferrite coating completely covers the surfaces of the first magnetic core and the second magnetic core.
[0012] Preferably, the groove is in a "U" shape and is arranged along the surfaces of the first magnetic core and the second magnetic core, and the reinforcement strip is made of steel plate.
[0013] Preferably, the reinforcement strip is completely hidden inside the groove, and the surface of the reinforcement strip is flush with the surfaces of the first magnetic core and the second magnetic core.
[0014] The working principle and beneficial effects of the utility model are:
[0015] In the utility model, by arranging the transverse heat dissipation grooves and the vertical heat dissipation grooves, when multiple groups of magnetic cores are stacked together, a gap can be provided between two groups of magnetic cores, which is beneficial to heat dissipation. Moreover, the transverse heat dissipation grooves and the vertical heat dissipation grooves are staggered in design, which can further promote heat dissipation and avoid the problem of heat accumulation in the magnetic cores when working.
[0016] 2. In the utility model, a reinforcing strip is arranged in a "U" shape along the surface of the first magnetic core and the second magnetic core, so that the deformation resistance of the two groups of magnetic cores can be enhanced to avoid the problem of breakage under the action of external force. The reinforcing strip is hidden inside the groove. When the magnetic core is working, the reinforcing strip will not affect its normal operation. The surfaces of the first magnetic core and the second magnetic core are coated with ferrite coating, which can enhance the wear resistance and corrosion resistance of the magnetic core when in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another perspective;
[0020] Figure 3 This is a schematic diagram of the groove structure of the utility model;
[0021] Figure 4 It is a schematic diagram of the reinforcing strip structure of the utility model.
[0022] In the figure: 1. first magnetic core; 2. card slot; 3. connection block; 4. second magnetic core; 5. horizontal heat dissipation slot; 6. vertical heat dissipation slot; 7. ferrite coating; 8. groove; 9. reinforcement strip. DETAILED DESCRIPTION
[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1
[0024] A preferred embodiment of a high saturation magnetic flux density manganese-zinc ferrite core provided by the utility model is as follows: Figures 1 to 4 As shown: A manganese-zinc ferrite core with high saturation magnetic flux density includes a first magnetic core 1, a card slot 2 is arranged on the right side of the first magnetic core 1, a connecting block 3 is embedded in the card slot 2, a second magnetic core 4 which is in contact with the first magnetic core 1 is fixedly connected to the right side of the connecting block 3, and transverse heat dissipation grooves 5 are arranged on the top and the first of the first magnetic core 1 and the second magnetic core 4, and vertical heat dissipation grooves 6 located on the top and bottom of the first magnetic core 1 and the second magnetic core 4 are arranged on the sides of the transverse heat dissipation grooves 5.
[0025] In this embodiment, the first magnetic core 1 and the second magnetic core 4 are both "U"-shaped structures. The first magnetic core 1 and the second magnetic core 4 form a closed-loop structure, which can ensure the integrity of the magnetic circuit when the magnetic core is in use.
[0026] In the present embodiment, the transverse heat dissipation groove 5 and the vertical heat dissipation groove 6 are designed in a "cross" shape. The transverse heat dissipation groove 5 and the vertical heat dissipation groove 6 are interconnected at the edge lines of the first magnetic core 1 and the second magnetic core 4. When multiple groups of magnetic cores are stacked together, gaps can be created between the two groups of magnetic cores, which is beneficial to heat dissipation. The staggered design of the transverse heat dissipation groove 5 and the vertical heat dissipation groove 6 can further promote heat dissipation and avoid the problem of heat accumulation when the magnetic cores are working.
[0027] In this embodiment, the connection block 3 and the slot 2 are in close contact with each other, which can prevent the first magnetic core 1 and the second magnetic core 4 from shaking. Example 2
[0028] On the basis of Example 1, a preferred embodiment of a manganese-zinc ferrite core with high saturation flux density provided by the utility model is as follows Figures 1 to 4 As shown: the surfaces of the first magnetic core 1 and the second magnetic core 4 are coated with a ferrite coating 7, and a groove 8 is provided on the surface of the first magnetic core 1 and the second magnetic core 4 on one side of the ferrite coating 7, and a reinforcing strip 9 is fixedly connected inside the groove 8.
[0029] In this embodiment, the ferrite coating 7 completely covers the surfaces of the first magnetic core 1 and the second magnetic core 4. The surfaces of the first magnetic core 1 and the second magnetic core 4 are both coated with the ferrite coating 7, which can enhance the wear resistance and corrosion resistance of the magnetic cores when in use.
[0030] In this embodiment, the groove 8 is in a "U" shape and is arranged along the surface of the first magnetic core 1 and the second magnetic core 4. The reinforcing strip 9 is made of steel plate. By arranging the reinforcing strip 9, the reinforcing strip 9 is arranged in a "U" shape along the surface of the first magnetic core 1 and the second magnetic core 4. The deformation resistance of the two groups of magnetic cores can be enhanced to avoid the problem of breakage under the action of external force.
[0031] In this embodiment, the reinforcement strip 9 is completely hidden inside the groove 8, and the surface of the reinforcement strip 9 is flush with the surfaces of the first magnetic core 1 and the second magnetic core 4. The reinforcement strip 9 is hidden inside the groove 8. When the magnetic core is working, the reinforcement strip 9 will not affect its normal operation.
[0032] The working principle and use process of the utility model are as follows: first, when the magnetic core is used, the connecting block 3 is first aligned with the inside of the card slot 2, so that the first magnetic core 1 and the second magnetic core 4 can be assembled together to form a closed-loop structure, and the integrity of the magnetic circuit can be ensured when the magnetic core is in use. The surfaces of the first magnetic core 1 and the second magnetic core 4 are both provided with transverse heat dissipation grooves 5 and vertical heat dissipation grooves 6. When multiple groups of magnetic cores are stacked together, gaps can be provided between the two groups of magnetic cores, which is beneficial to heat dissipation. The transverse heat dissipation grooves 5 and the vertical heat dissipation grooves 6 are staggered in design, which can further promote heat dissipation and avoid the problem of heat accumulation when the magnetic core is working.
[0033] By arranging the reinforcing strip 9, the reinforcing strip 9 is arranged in a "U" shape along the surface of the first magnetic core 1 and the second magnetic core 4, so that the deformation resistance of the two groups of magnetic cores can be enhanced, and the problem of their breakage under the action of external force can be avoided. The reinforcing strip 9 is hidden inside the groove 8. When the magnetic core is working, the reinforcing strip 9 will not affect its normal operation. The surfaces of the first magnetic core 1 and the second magnetic core 4 are coated with a ferrite coating 7, which can enhance the wear resistance and corrosion resistance of the magnetic core when in use.
[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A manganese-zinc ferrite core with high saturation magnetic flux density, comprising a first magnetic core (1), characterized in that: A slot (2) is provided on the right side of the first magnetic core (1), a connecting block (3) is embedded in the slot (2), a second magnetic core (4) which is in contact with the first magnetic core (1) is fixedly connected to the right side of the connecting block (3), the top and the bottom of the first magnetic core (1) and the second magnetic core (4) are both provided with transverse heat dissipation slots (5), and the sides of the transverse heat dissipation slots (5) are provided with vertical heat dissipation slots (6) located at the top and bottom of the first magnetic core (1) and the second magnetic core (4).
2. A manganese-zinc ferrite core with high saturation flux density according to claim 1, characterized in that: The surfaces of the first magnetic core (1) and the second magnetic core (4) are both coated with a ferrite coating (7); the surfaces of the first magnetic core (1) and the second magnetic core (4) are provided with a groove (8) on one side of the ferrite coating (7); and a reinforcing strip (9) is fixedly connected inside the groove (8).
3. The manganese-zinc ferrite core with high saturation flux density according to claim 1, characterized in that: The first magnetic core (1) and the second magnetic core (4) are both "U"-shaped structures, and the first magnetic core (1) and the second magnetic core (4) form a closed loop structure.
4. The manganese-zinc ferrite core with high saturation magnetic flux density according to claim 1, characterized in that: The transverse heat dissipation groove (5) and the vertical heat dissipation groove (6) are designed to be cross-shaped, and the transverse heat dissipation groove (5) and the vertical heat dissipation groove (6) are interconnected at the edges of the first magnetic core (1) and the second magnetic core (4).
5. The manganese-zinc ferrite core with high saturation flux density according to claim 1, characterized in that: The connection block (3) and the card slot (2) are in a state of close fit with each other.
6. A manganese-zinc ferrite core with high saturation magnetic flux density according to claim 2, characterized in that: The ferrite coating (7) completely covers the surfaces of the first magnetic core (1) and the second magnetic core (4).
7. The manganese-zinc ferrite core with high saturation magnetic flux density according to claim 2, characterized in that: The groove (8) is in a "U" shape and is arranged along the surface of the first magnetic core (1) and the second magnetic core (4); the reinforcing strip (9) is made of a steel plate.
8. The manganese-zinc ferrite core with high saturation magnetic flux density according to claim 2, characterized in that: The reinforcement strip (9) is completely hidden inside the groove (8), and the surface of the reinforcement strip (9) is flush with the surfaces of the first magnetic core (1) and the second magnetic core (4).