Anti-interference high-impedance energy-saving ferrite core
By setting a strength mechanism inside the ferrite core, and connecting the inner shell filled with alumina powder and the outer arc plate, the problem of damage to the core due to vibration during transportation is solved, and the structural strength and stability of the core are enhanced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 江苏征日电力设备有限公司
- Filing Date
- 2025-05-09
- Publication Date
- 2026-05-01
AI Technical Summary
Existing high-impedance energy-saving ferrite cores with strong anti-interference properties are prone to micro-cracks due to vibration during transportation, which can lead to magnetic circuit breakage or abnormal local permeability.
By incorporating a strength mechanism within the ferrite core, including an inner shell and reinforcing components, with the inner shell filled with non-magnetic alumina powder and the exterior connected by an arc plate and a rotating shaft, the internal and external structural strength of the core is enhanced.
It effectively prevents damage to the magnetic core due to vibration during transportation, improves the magnetic core's shock resistance and stability, and ensures the integrity of the magnetic circuit.
Smart Images

Figure CN224190752U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ferrite core technology, specifically to an anti-interference, high-impedance, energy-saving ferrite core. Background Technology
[0002] High-impedance, energy-saving ferrite cores with anti-interference properties are an important component widely used in electronic devices. They combine multiple characteristics such as anti-interference, high impedance, and energy saving.
[0003] Existing high-impedance energy-saving ferrite cores with anti-interference properties face challenges in practical applications. Ferrite cores need to be adapted to the working environment, but ferrite is a ceramic material with relatively high brittleness. After molding, it is prone to micro-cracks caused by transportation vibrations, leading to magnetic circuit breakage or abnormal local permeability. Utility Model Content
[0004] This invention provides an anti-interference high-impedance energy-saving ferrite core, which has the advantage of protecting the ferrite core from physical damage. This solves the problem that existing anti-interference high-impedance energy-saving ferrite cores need to be adapted to the working environment in actual use. However, ferrite is a ceramic material with relatively high brittleness, and microcracks are easily generated by transportation vibration after molding, which can lead to magnetic circuit breakage or abnormal local permeability.
[0005] To protect ferrite cores from physical damage, this utility model provides the following technical solution: an anti-interference, high-impedance, energy-saving ferrite core, comprising a ferrite core, wherein a coil is wound around the outer surface of the ferrite core, and a strength mechanism is provided on the outside and inside of the ferrite core, the strength mechanism comprising a central component and a reinforcing component, wherein:
[0006] The middle component includes an inner shell disposed on the inner wall of the ferrite core, a top plate disposed on the outer surface of the inner shell, and the inner wall of the inner shell being filled with a non-magnetic metal.
[0007] The reinforcing component includes an arc plate symmetrically arranged outside the ferrite core. A fixing block is installed on one side of the arc plate, and a rotating shaft is connected to the inner wall of the fixing block. An extension plate is installed on the other side of the inner shell.
[0008] As a preferred embodiment of this utility model, the outer surface of the inner shell is provided with a fixing ring for fixing the top plate, and both the inner shell and the fixing ring have a filling area inside. The bottom surface of the fixing ring has a wire outlet hole for threading wires, and the inner wall of the extension plate is equipped with screws for fixing.
[0009] As a preferred embodiment of this utility model, the ferrite core is provided with a number of coils on its outside, and an inner shell is provided in the middle of the ferrite core. Four fixing rings are installed on the outer surface of the inner shell, with each pair of fixing rings forming a group. The two groups of fixing rings are respectively fixedly installed on the upper and lower parts of the inner shell.
[0010] As a preferred embodiment of this utility model, a top plate is installed in the middle of each set of fixing rings, and the inner wall of the top plate is in close contact with the outer surface of the inner shell.
[0011] As a preferred embodiment of this utility model, the inner shell, the fixing ring and the top plate are all made of resin material, and the filling areas inside the inner shell and the top plate are filled with alumina powder. Two wire outlet holes are equidistantly opened on the bottom surface of the top plate located at the lower part of the inner shell.
[0012] As a preferred technical solution of this utility model, the arc plate consists of two equidistantly arranged on the outer surface of the coil, and a fixing block is installed on one side of each arc plate. A rotating shaft is movably and rotatably installed on the inner wall of one of the fixing blocks.
[0013] As a preferred embodiment of this utility model, the outer surface of the rotating shaft is fixedly connected to another fixed block, and an extension plate is fixedly installed on one side of each of the two arc plates, and the two extension plates are connected by a screw.
[0014] Compared with the prior art, this utility model provides an anti-interference, high-impedance, energy-saving ferrite core, which has the following beneficial effects:
[0015] 1. This anti-interference, high-impedance, energy-saving ferrite core, through a strength mechanism including a central component and a reinforcing component, has its inner shell set on the inner wall of the ferrite core and filled with a non-magnetic metal, such as alumina powder, which can effectively enhance the internal structural strength of the core and prevent the core from deforming or being damaged during use.
[0016] 2. The symmetrical arc plates of the reinforcing components are arranged on the outside of the ferrite core. The two arc plates are connected together by a rotating shaft and screws, which can enhance the external structural strength of the core and improve its impact resistance and stability. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the external structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the external structure of this utility model from another angle;
[0019] Figure 3 This is an exploded view of the central component of this utility model;
[0020] Figure 4 This is a schematic diagram of the exploded structure of the reinforcing component of this utility model;
[0021] Figure 5 This utility model provides Figure 2 Enlarged schematic diagram of part A in the middle.
[0022] In the diagram: 1. Ferrite core; 2. Coil; 3. Strength mechanism; 31. Middle component; 310. Inner shell; 311. Fixing ring; 312. Filling area; 313. Top plate; 314. Outlet hole; 32. Reinforcing component; 320. Arc plate; 321. Fixing block; 322. Rotating shaft; 323. Extension plate; 324. Screw. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1
[0024] Please see Figures 1-2 This utility model discloses an anti-interference, high-impedance, energy-saving ferrite core, comprising a ferrite core 1, a coil 2 wound around the outer surface of the ferrite core 1, and a strength mechanism 3 provided on the outside and inside of the ferrite core 1. The strength mechanism 3 includes a central component 31 and a reinforcing component 32, wherein:
[0025] The middle component 31 includes an inner shell 310, which is disposed on the inner wall of the ferrite core 1. A top plate 313 is disposed on the outer surface of the inner shell 310, and the inner wall of the inner shell 310 is filled with a non-magnetic metal.
[0026] The reinforcing component 32 includes an arc plate 320, which is symmetrically arranged on the outside of the ferrite core 1. A fixing block 321 is installed on one side of the arc plate 320, and a rotating shaft 322 is connected to the inner wall of the fixing block 321. An extension plate 323 is installed on the other side of the inner shell 310.
[0027] The outer surface of the inner shell 310 is provided with a fixing ring 311 for fixing the top plate 313. Both the inner shell 310 and the fixing ring 311 have a filling area 312. The bottom surface of the fixing ring 311 has a wire outlet hole 314 for threading wires. The inner wall of the extension plate 323 is equipped with screws 324 for fixing.
[0028] The ferrite core 1 has several coils 2 on its outside. The ferrite core 1 has an inner shell 310 in the middle. Four fixing rings 311 are installed on the outer surface of the inner shell 310. Every two fixing rings 311 form a group. The two groups of fixing rings 311 are fixedly installed on the upper and lower parts of the inner shell 310, respectively.
[0029] The inner shell 310 is installed on the inner wall of the ferrite core 1, ensuring a tight fit between the inner shell 310 and the inner wall of the ferrite core 1. Fixing rings 311 are installed on the outer surface of the inner shell 310. According to design requirements, every two fixing rings 311 form a group, with two groups fixedly installed on the upper and lower parts of the inner shell 310 respectively. The top plate 313 is fixed to the outer surface of the inner shell 310 using the fixing rings 311, ensuring a tight contact between the inner wall of the top plate 313 and the outer surface of the inner shell 310. Alumina powder is filled into the filling area 312 inside the inner shell 310 and the top plate 313 to enhance the structural strength and stability of the magnetic core. Example 2
[0030] Based on the above embodiment 1, please refer to Figures 3-5 Each set of fixing rings 311 has a top plate 313 installed in the middle, and the inner wall of the top plate 313 is in close contact with the outer surface of the inner shell 310.
[0031] The inner shell 310, the fixing ring 311 and the top plate 313 are all made of resin material. The filling area 312 inside the inner shell 310 and the top plate 313 is filled with alumina powder. Two wire outlet holes 314 are equidistantly opened on the bottom surface of the top plate 313 located at the lower part of the inner shell 310.
[0032] The arc plate 320 consists of two equidistantly arranged outer surfaces of the coil 2. A fixing block 321 is installed on one side of each arc plate 320, and a rotating shaft 322 is movably and rotatably mounted on the inner wall of one fixing block 321.
[0033] The outer surface of the rotating shaft 322 is fixedly connected to another fixed block 321. An extension plate 323 is fixedly installed on one side of each of the two arc plates 320. The two extension plates 323 are connected by a screw 324.
[0034] Two arc plates 320 are equidistantly positioned on the outer surface of the coil 2. A fixing block 321 is installed on one side of each arc plate 320. A rotating shaft 322 is rotatably mounted on the inner wall of one of the fixing blocks 321. The outer surface of the rotating shaft 322 is fixedly connected to the other fixing block 321, so that the two arc plates 320 can rotate relative to each other through the rotating shaft 322.
[0035] The working principle and usage process of this utility model: Check whether all components of the anti-interference high impedance energy-saving ferrite core are complete, including the ferrite core 1, coil 2, the middle component 31 of the strength mechanism 3 and the reinforcing component 32, etc.
[0036] Confirm that the inner shell 310, retaining ring 311, top plate 313, arc plate 320, fixing block 321, rotating shaft 322, extension plate 323 and screws 324 are undamaged.
[0037] The inner shell 310 is installed on the inner wall of the ferrite core 1, ensuring a tight fit between the inner shell 310 and the inner wall of the ferrite core 1. Fixing rings 311 are installed on the outer surface of the inner shell 310. According to design requirements, every two fixing rings 311 form a group, with two groups fixedly installed on the upper and lower parts of the inner shell 310 respectively. The top plate 313 is fixed to the outer surface of the inner shell 310 using the fixing rings 311, ensuring a tight contact between the inner wall of the top plate 313 and the outer surface of the inner shell 310. Alumina powder is filled into the filling area 312 inside the inner shell 310 and the top plate 313 to enhance the structural strength and stability of the magnetic core.
[0038] Several coils 2 are wound around the outer surface of the ferrite core 1. Note that the winding direction and number of turns of the coils 2 should meet the design requirements to ensure the electrical performance of the core.
[0039] Two arc plates 320 are equidistantly positioned on the outer surface of the coil 2. A fixing block 321 is installed on one side of each arc plate 320. A rotating shaft 322 is rotatably mounted on the inner wall of one of the fixing blocks 321. The outer surface of the rotating shaft 322 is fixedly connected to the other fixing block 321, so that the two arc plates 320 can rotate relative to each other through the rotating shaft 322.
[0040] An extension plate 323 is fixedly installed on the other side of each of the two arc plates 320, and then the two extension plates 323 are connected together by a screw 324, thereby fixing the position of the two arc plates 320 and enhancing the overall strength of the magnetic core.
Claims
1. A high-impedance, energy-saving ferrite core with anti-interference capability, comprising a ferrite core (1), wherein a coil (2) is wound around the outer surface of the ferrite core (1), characterized in that: The ferrite core (1) is provided with a strength mechanism (3) on its exterior and interior. The strength mechanism (3) includes a central component (31) and a reinforcing component (32), wherein: The middle component (31) includes an inner shell (310), which is disposed on the inner wall of the ferrite core (1). A top plate (313) is disposed on the outer surface of the inner shell (310), and the inner wall of the inner shell (310) is filled with non-magnetic metal. The reinforcing component (32) includes an arc plate (320), which is symmetrically arranged outside the ferrite core (1). A fixing block (321) is installed on one side of the arc plate (320), and a rotating shaft (322) is connected to the inner wall of the fixing block (321). An extension plate (323) is installed on the other side of the inner shell (310).
2. The anti-interference high-impedance energy-saving ferrite core according to claim 1, characterized in that: The outer surface of the inner shell (310) is provided with a fixing ring (311) for fixing the top plate (313). The inner shell (310) and the fixing ring (311) are both provided with a filling area (312). The bottom surface of the fixing ring (311) is provided with a wire outlet hole (314) for threading. The inner wall of the extension plate (323) is provided with screws (324) for fixing.
3. The anti-interference high-impedance energy-saving ferrite core according to claim 2, characterized in that: The ferrite core (1) has several coils (2) on its outside. The ferrite core (1) has an inner shell (310) in the middle. The outer surface of the inner shell (310) is equipped with four fixing rings (311). Every two fixing rings (311) form a group. The two groups of fixing rings (311) are respectively fixedly installed on the upper and lower parts of the inner shell (310).
4. The anti-interference high-impedance energy-saving ferrite core according to claim 2, characterized in that: Each set of fixing rings (311) has a top plate (313) installed in the middle, and the inner wall of the top plate (313) is in close contact with the outer surface of the inner shell (310).
5. The anti-interference high-impedance energy-saving ferrite core according to claim 1, characterized in that: The inner shell (310), the fixing ring (311) and the top plate (313) are all made of resin material. The filling area (312) inside the inner shell (310) and the top plate (313) is filled with alumina powder. Two wire outlet holes (314) are equidistantly opened on the bottom surface of the top plate (313) located at the lower part of the inner shell (310).
6. The anti-interference high-impedance energy-saving ferrite core according to claim 5, characterized in that: The arc plate (320) consists of two equidistantly arranged on the outer surface of the coil (2). A fixing block (321) is installed on one side of each arc plate (320), and a rotating shaft (322) is movably and rotatably installed on the inner wall of one of the fixing blocks (321).
7. The anti-interference high-impedance energy-saving ferrite core according to claim 5, characterized in that: The outer surface of the rotating shaft (322) is fixedly connected to another fixed block (321), and an extension plate (323) is fixedly installed on one side of each of the two arc plates (320), and the two extension plates (323) are connected by a screw (324).