Broadband high-conductivity ferrite core
By setting a multi-layer protective layer and coating on the main body of the iron oxidized magnetic core, the shortcomings of the iron oxidized magnetic core in terms of core protection and corrosion resistance are solved, and higher service life and stability are achieved, as well as the improvement of wide-band and high conductivity performance.
Patent Information
- Application Number
- CN202421335859.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing iron oxidized magnetic cores are insufficient in terms of core protection, which are prone to damage, affect service life, and have poor corrosion resistance.
A broadband high-conducting ferrite core is designed, and multi-layer protection is provided by providing an outer spray coating, a protective layer, an inner protective layer, a zinc-nickel alloy plating coating, an electroplated oxide film coating, a polytetraoxide coating and a ferrite layer on the iron oxidized core body.
It effectively protects the iron oxidized magnetic core body, improves its service life and stability, and enhances corrosion resistance and wide-band high-conductance performance.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ferrite cores, in particular to a wide-band high-conductivity ferrite core. Background Art
[0002] Ferrite core is a kind of high-frequency magnetic material, mainly used for high-frequency transformers, high-frequency magnetic rings, etc., to increase magnetic permeability and improve inductance quality factors. It is used in transformers. Coils wound on ferrite cores can be made into inductors or transformers. They are widely used in instruments, communication equipment and household appliances. Ferrite cores are composed of ferrite powder, and its constituent elements include iron, oxygen and other metal oxides. However, the existing ferrite cores do not provide enough protection for the core, which can easily cause damage to the outside of the core, affecting its use. At the same time, the corrosion resistance is poor, which reduces the service life of the core. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] In view of the deficiencies in the prior art, the utility model provides a broadband high-conductivity ferrite core, which has the advantages of effectively protecting the main body of the ferrite core, improving the service life of the ferrite core, and making the use of the ferrite core more stable, thereby solving the problems raised in the above-mentioned background technology.
[0005] (II) Technical solution
[0006] To achieve the above-mentioned purpose, the following technical solution is provided: a broadband high-conductivity ferrite core, comprising an iron oxide core body, wherein the iron oxide core body comprises an outer spray coating, a protective layer, a core layer, and an inner protective layer, wherein the protective layer comprises a zinc-nickel alloy plated coating, an electroplated oxide film coating, a polytetraoxyethylene coating, and a ferrite layer, wherein the inner wall of the zinc-nickel alloy plated coating is provided with an electroplated oxide film coating, the inner wall of the electroplated oxide film coating is provided with a polytetraoxyethylene coating, and the inner wall of the polytetraoxyethylene coating is provided with a ferrite layer.
[0007] Preferably, the outer spray coating includes a wear-resistant coating, an antistatic coating and an anti-interference coating, the antistatic coating is arranged on the inner side of the wear-resistant coating, and the anti-interference coating is arranged on the inner side of the antistatic coating.
[0008] Preferably, the magnetic core layer includes an aluminum nickel cobalt layer coating, a boron oxide coating, and a neodymium iron boron magnetic coating. The inner side of the aluminum nickel cobalt layer coating is provided with a boron oxide coating, and the inner side of the boron oxide coating is provided with a neodymium iron boron magnetic coating.
[0009] Preferably, an inner protective layer is provided on the inner wall of the core of the ferrite core body.
[0010] Preferably, the inner side of the anti-interference coating is connected to the outer side of the zinc-nickel alloy plating coating, and the inner side of the ferrite layer is connected to the aluminum-nickel-cobalt layer coating.
[0011] (III) Beneficial effects
[0012] Compared with the prior art, the utility model provides a broadband high-conductivity ferrite core, which has the following beneficial effects:
[0013] 1. The broadband high-conductivity ferrite core is provided with an outer spray coating, a protective layer, an inner protective layer, a zinc-nickel alloy plating coating, an electroplated oxide film coating, a polytetraoxyethylene coating, a ferrite layer, a wear-resistant coating, an anti-static coating, and an anti-interference coating, thereby achieving effective protection for the main body of the ferrite core, improving the service life of the ferrite core, and making the use of the ferrite core more stable.
[0014] 2. The broadband high-conductivity ferrite core achieves the effect of improving the temperature difference resistance of the ferrite core by setting the core layer, nickel-cobalt layer coating, boron oxide coating and neodymium iron boron magnetic coating, and also improves the broadband high-conductivity and high coercive force of the core. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the cross-sectional structure of the main body of the utility model;
[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the protective layer of the utility model;
[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the outer spray coating of the utility model;
[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the magnetic core layer of the utility model.
[0019] In the figure: 1. Iron oxide core body; 2. External spray coating; 3. Protective layer; 4. Magnetic core layer; 5. Inner protective layer; 6. Zinc-nickel alloy plating coating; 7. Electroplating oxide film coating; 8. Polytetraoxyethylene coating; 9. Ferrite layer; 10. Wear-resistant coating; 11. Anti-static coating; 12. Anti-interference coating; 13. Al-Nickel-Co layer coating; 14. Boron oxide coating; 15. NdFeB magnetic coating. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments 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, not all of the embodiments. Based on the embodiments in the embodiments, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection.
[0021] Embodiment 1:
[0022] See also Figure 1-4 A broadband high-conductivity ferrite core comprises an iron oxide core body 1, the iron oxide core body 1 comprises an outer spray coating 2, a protective layer 3, a core layer 4, and an inner protective layer 5, the protective layer 3 comprises a zinc-nickel alloy plating coating 6, an electroplated oxide film coating 7, a polytetraoxyethylene coating 8, and a ferrite layer 9, the inner wall of the zinc-nickel alloy plating coating 6 is provided with an electroplated oxide film coating 7, the inner wall of the electroplated oxide film coating 7 is provided with a polytetraoxyethylene coating 8, and the inner wall of the polytetraoxyethylene coating 8 is provided with a ferrite layer 9.
[0023] Specifically, the zinc-nickel alloy plating layer 6, the electroplated oxide film coating 7, and the polytetraoxyethylene coating 8 all have good corrosion resistance and can improve the corrosion resistance of the iron oxide core, while the ferrite layer 9 has a higher magnetic permeability at high frequencies and can improve the magnetic properties of the core.
[0024] Preferably, the outer spray coating 2 includes a wear-resistant coating 10, an antistatic coating 11, and an anti-interference coating 12. The antistatic coating 11 is disposed on the inner side of the wear-resistant coating 10, and the anti-interference coating 12 is disposed on the inner side of the antistatic coating 11.
[0025] Specifically, the wear-resistant coating 10 is arranged on the outside of the ferrite core body 1, which can ensure that the ferrite core body 1 is not scratched and protect the outside of the ferrite core body 1 from being damaged. The anti-static coating 11 can prevent the generation of static electricity, and the anti-interference coating 12 can block the interference of external electromagnetic radiation on the ferrite core body 1, thereby ensuring the stability of the use of the ferrite core body 1.
[0026] Preferably, an inner protective layer 5 is provided on the inner wall of the coil core of the ferrite core body 1 .
[0027] Specifically, the inner protective layer 5 can protect the core of the ferrite core body 1 .
[0028] Working principle: During the production of the ferrite core body 1, the outer spray coating 2 arranged on the outside can protect the ferrite core body 1, prevent external interference and protect the surface from being damaged, and the wear-resistant coating 10 is arranged on the lower side of the outer spray coating 2, which can protect the core layer 4. The corrosion resistance of the ferrite core body 1 is improved by setting the zinc-nickel alloy plating coating 6, the electroplating oxide film coating 7, and the polytetraoxyethylene coating 8. In combination with the inner protective layer 5, the core is completely wrapped, thereby better protecting the ferrite core body 1 and improving the service life of the ferrite core.
[0029] Embodiment 2:
[0030] See also Figure 1-4The magnetic core layer 4 includes an aluminum nickel cobalt coating 13, a boron oxide coating 14, and a neodymium iron boron magnetic coating 15. The boron oxide coating 14 is disposed inside the aluminum nickel cobalt coating 13, and the neodymium iron boron magnetic coating 15 is disposed inside the boron oxide coating 14.
[0031] Specifically, the boron oxide coating 14 contains dimethyl silicone oil, fluorite powder, iron oxide, manganese oxide, zinc oxide, boron oxide, phosphorus pentoxide, and magnetic carbon powder materials, which can improve the broadband high conductivity and high coercive force of the magnetic core.
[0032] Preferably, the inner side of the anti-interference coating 12 is connected to the outer side of the zinc-nickel alloy plating layer 6 , and the inner side of the ferrite layer 9 is connected to the aluminum-nickel-cobalt coating 13 .
[0033] Working principle: Al-Ni-Co coating 13 can withstand low temperature, thus increasing service life; Nd-Fe-B magnetic coating 15 has strong magnetism and high temperature resistance; Ferrite layer 9 is used to improve the magnetism of the utility model and improve the anti-demagnetization ability; Boron oxide coating 14 improves the effects of broadband high conductivity and high coercive force, thus ensuring the use effect of the utility model.
[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A broadband high-conductivity ferrite core, comprising an iron oxide core body (1), characterized in that: The ferroxite core body (1) comprises an outer spray coating (2), a protective layer (3), a magnetic core layer (4), and an inner protective layer (5); the protective layer (3) comprises a zinc-nickel alloy plated coating (6), an electroplated oxide film coating (7), a polytetraoxyethylene coating (8), and a ferrite layer (9); the inner wall of the zinc-nickel alloy plated coating (6) is provided with an electroplated oxide film coating (7); the inner wall of the electroplated oxide film coating (7) is provided with a polytetraoxyethylene coating (8); and the inner wall of the polytetraoxyethylene coating (8) is provided with a ferrite layer (9).
2. The broadband high-conductivity ferrite core according to claim 1, characterized in that: The outer spray coating (2) comprises a wear-resistant coating (10), an antistatic coating (11), and an anti-interference coating (12); the antistatic coating (11) is arranged on the inner side of the wear-resistant coating (10), and the anti-interference coating (12) is arranged on the inner side of the antistatic coating (11).
3. The broadband high-conductivity ferrite core according to claim 1, characterized in that: The magnetic core layer (4) comprises an aluminum nickel cobalt coating (13), a boron oxide coating (14), and a neodymium iron boron magnetic coating (15); the inner side of the aluminum nickel cobalt coating (13) is provided with a boron oxide coating (14), and the inner side of the boron oxide coating (14) is provided with a neodymium iron boron magnetic coating (15).
4. The broadband high-conductivity ferrite core according to claim 1, characterized in that: An inner protective layer (5) is provided on the inner wall of the coil core of the ferrite core body (1).
5. The broadband high-conductivity ferrite core according to claim 2, characterized in that: The inner side of the anti-interference coating (12) is connected to the outer side of the zinc-nickel alloy plated coating (6), and the inner side of the ferrite layer (9) is connected to the aluminum-nickel-cobalt coating (13).