Anti-interference magnetic generator

By adopting a composite shell structure and multi-layer design in the magnetic generator, and utilizing a high magnetic permeability layer, electromagnetic shielding layer and coating, the problem of unstable output voltage of traditional magnetic generators in complex electromagnetic environments is solved, and efficient and stable power generation effects are achieved. It is suitable for fields such as communications, medical care, and aerospace.

CN223348457UActive Publication Date: 2025-09-16CHANGLEI NEW ENERGY TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422632240.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-09-16
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Traditional magnetic generators are susceptible to external interference in complex electromagnetic environments, resulting in unstable output voltage and affecting the normal operation of the equipment.

Method used

It adopts a composite shell structure, including a high magnetic permeability layer, an electromagnetic shielding layer, a structural layer and a coating. It uses neodymium iron boron permanent magnets to provide a stable magnetic field. The stator coil and the rotor work together to achieve efficient power generation. The high magnetic permeability layer guides the magnetic lines of force, the electromagnetic shielding layer shields external interference, and the coating enhances the electromagnetic shielding effect.

Benefits of technology

The power generation efficiency and output voltage stability are improved, allowing the generator to work stably in complex electromagnetic environments. It is suitable for fields such as communications, medical care, aerospace, etc. that have high requirements for power quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of generators, and particularly relates to an anti-interference magnetic generator, which comprises a composite shell, a high magnet is fixedly connected onto the inner wall of the composite shell, a stator coil is wound on the high magnet to form a stator, a rotating shaft is rotatably inserted into the composite shell, a connecting block is arranged on the rotating shaft, and the connecting block is connected with the high magnet. A rotor is fixedly connected to the connecting block, and rotating holes distributed circumferentially are formed in the rotor; and the composite shell sequentially comprises a high-permeability layer, an electromagnetic shielding layer, a structural layer and a coating from inside to outside. According to the utility model, through the multilayer structure of the composite housing, the high magnetic conductivity layer guiding magnetic lines, the electromagnetic shielding layer and the coating layer resisting interference, the structure layer providing support protection, the neodymium iron boron permanent magnet providing a stable magnetic field, and the cooperation of the stator coil and the rotor, efficient power generation is realized, and the design improves the power generation efficiency and the stability of output voltage. And the system can work stably in a complex electromagnetic environment.
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Description

Technical Field

[0001] The utility model relates to the technical field of generators, in particular to an anti-interference magnetic generator. Background Art

[0002] With the continuous development of modern technology and the widespread use of electronic devices, the requirements for power supply stability and interference resistance are becoming increasingly stringent. Among various power generation devices, magnetic generators have attracted much attention due to their simple structure and high reliability. However, traditional magnetic generators are susceptible to external interference in complex electromagnetic environments, resulting in unstable output voltage and affecting the normal operation of the equipment.

[0003] On the one hand, industrial production environments contain a large number of high-power devices such as motors and transformers, which generate strong electromagnetic interference during operation. Conventional magnetic generators are typically constructed from a single material, such as metal or plastic, which provides limited shielding against electromagnetic interference. This can easily affect the generator's internal magnetic field, reducing power generation efficiency and output voltage stability.

[0004] On the other hand, in fields such as communications, healthcare, and aerospace, extremely high power quality requirements are required. Minor electromagnetic interference can lead to serious consequences, such as communication signal interruption, inaccurate medical equipment test data, and malfunction of aerospace equipment control systems. Therefore, developing an interference-resistant magnetic generator is of great practical significance.

[0005] To address these issues, researchers are working to improve the structure and materials of magneto generators to enhance their anti-interference capabilities. By employing composite housing structures, high-permeability materials, electromagnetic shielding layers, and advanced electromagnetic shielding coatings, they are expected to significantly enhance the stability and reliability of magneto generators in complex electromagnetic environments. Utility Model Content

[0006] (1) Technical problems solved

[0007] In view of the deficiencies in the prior art, the present invention provides an anti-interference magnetic generator, which solves the problems raised in the above background technology.

[0008] (2) Technical solution

[0009] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0010] An anti-interference magnetic generator includes a composite shell, a high-magnet fixedly connected to the inner wall of the composite shell, a stator coil wound around the high-magnet to form a stator, a rotating shaft inserted and rotatable in the composite shell, a connecting block provided on the rotating shaft, a rotor fixedly connected to the connecting block, and a circumferentially distributed rotating hole opened on the rotor; the composite shell is composed of a high magnetic permeability layer, an electromagnetic shielding layer, a structural layer and a coating from the inside out, and the exterior of the composite shell is in the shape of heat dissipation fins.

[0011] Furthermore, the high magnet is a neodymium iron boron permanent magnet.

[0012] Furthermore, the high magnetic permeability layer is Permalloy, which effectively guides and concentrates the magnetic lines of force, reducing the interference of the external magnetic field on the internal magnetic field of the generator.

[0013] Furthermore, the electromagnetic shielding layer is copper or aluminum.

[0014] Furthermore, the structural layer is made of a high-strength and corrosion-resistant material, such as stainless steel.

[0015] Furthermore, the coating is an electromagnetic shielding coating, one of the main components of which is conductive particles, such as silver powder, copper powder, nickel powder, metal powder, or new conductive materials such as carbon nanotubes and graphene.

[0016] Furthermore, the coating also contains a binder, such as epoxy resin, polyurethane, etc., which is used to bond the conductive particles together and enable the coating to firmly adhere to the surface of the object.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the present invention provides an anti-interference magnetic generator with the following features:

[0019] Beneficial effects:

[0020] The utility model has a multi-layer structure of a composite shell, a high magnetic permeability layer to guide magnetic lines of force, an electromagnetic shielding layer and a coating to resist interference, a structural layer to provide support and protection, and NdFeB permanent magnets to provide a stable magnetic field. The stator coil and rotor cooperate to achieve efficient power generation. This design improves power generation efficiency and output voltage stability, can operate stably in complex electromagnetic environments, and is suitable for fields such as communications, medical care, aerospace, etc. that have high requirements for power quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the composite shell structure of the utility model.

[0023] In the figure: 10, composite shell; 20, high magnet; 30, stator coil; 40, rotating shaft; 50, connecting block; 60, rotor; 70, rotating hole; 101, high magnetic permeability layer; 102, electromagnetic shielding layer; 103, structural layer; 104, coating. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example

[0026] like Figure 1 As shown, an anti-interference magnetic generator proposed in one embodiment of the present invention includes a composite housing 10, a high magnet 20 is fixedly connected to the inner wall of the composite housing 10, a stator coil 30 is wound around the high magnet 20 to form a stator, a rotating shaft 40 is inserted and rotatably inserted in the composite housing 10, a connecting block 50 is provided on the rotating shaft 40, a rotor 60 is fixedly connected to the connecting block 50, and a circumferentially distributed rotating hole 70 is opened on the rotor 60; the composite housing 10 is sequentially provided with a high magnetic permeability layer 101, an electromagnetic shielding layer 102, a structural layer 103 and a coating 104 from the inside to the outside, and the exterior of the composite housing 10 is fin-shaped for heat dissipation;

[0027] The composite shell 10 comprises, from the inside to the outside, a high magnetic permeability layer 101, an electromagnetic shielding layer 102, a structural layer 103 and a coating layer 104, and the outside is in the shape of heat dissipation fins.

[0028] Function: Provides overall protection and support, and realizes multiple functions such as anti-interference, guiding magnetic lines, shielding electromagnetic interference and heat dissipation through the design of different layers.

[0029] The high magnet 20 is fixedly connected to the inner wall of the composite shell 10 and is a neodymium iron boron permanent magnet.

[0030] Function: Generates a magnetic field, provides a magnetic source for the generator, and enables the stator coil 30 to cut the magnetic flux lines to generate electrical energy.

[0031] The stator coil 30 is wound around the high magnet 20 .

[0032] Function: When the rotor 60 rotates, the stator coil 30 cuts the magnetic flux lines, generating an induced electromotive force, thereby achieving power generation.

[0033] The rotating shaft 40 is inserted into the composite housing 10 and is rotatable. A connecting block 50 is provided on the rotating shaft.

[0034] Function: Provide support and a rotation axis for the rotation of the rotor 60, so that the rotor 60 can rotate stably.

[0035] The rotor 60 is fixedly connected to the connecting block 50 and is provided with rotating holes 70 distributed circumferentially thereon.

[0036] Function: The rotor 60 rotates along with the rotation of the rotating shaft 40, causing relative motion between the rotor 60 and the stator coil 30, thereby generating electricity by cutting the magnetic flux lines.

[0037] The rotating holes 70 are distributed around the circumference of the rotor 60 .

[0038] Function: To reduce the weight of the rotor 60, optimize air circulation, or cooperate with other components in a specific rotor 60 structure.

[0039] The high magnetic permeability layer 101 is Permalloy.

[0040] Function: Effectively guide and concentrate magnetic lines of force, reducing the interference of external magnetic fields on the internal magnetic field of the generator.

[0041] The electromagnetic shielding layer 102 is copper or aluminum.

[0042] Function: Shield external electromagnetic interference. When external electromagnetic interference reaches this layer, it will generate an induced current on the metal surface, and then generate an electromagnetic field opposite to the interfering electromagnetic field, thereby offsetting the interference.

[0043] The structural layer 103 is made of a high-strength and corrosion-resistant material, such as stainless steel.

[0044] Function: Provide mechanical support and protection to ensure the structural integrity and stability of the generator in various environments.

[0045] The coating 104 is an electromagnetic shielding coating, which contains conductive particles, such as metal powders such as silver powder, copper powder, nickel powder, or new conductive materials such as carbon nanotubes and graphene, and adhesives such as epoxy resin and polyurethane.

[0046] Function: Further enhance the electromagnetic shielding effect. When external electromagnetic interference reaches the surface of the coating 104, the conductive path formed by the conductive particles will generate an induced current, generating an electromagnetic field opposite to the interfering electromagnetic field, thereby offsetting or weakening the external electromagnetic interference.

[0047] Working principle: When the rotating shaft 40 rotates, the rotor 60 is driven to rotate synchronously through the connecting block 50. Relative motion occurs between the rotor 60 and the high magnet 20 fixed to the inner wall of the composite shell 10 and wound with the stator coil 30. Since the high magnet 20 generates a magnetic field, the rotation of the rotor 60 causes the stator coil 30 to cut the magnetic flux lines. According to the principle of electromagnetic induction, an induced electromotive force is generated in the stator coil 30, thereby achieving power generation. In this process, the high magnetic permeability layer 101 of the composite shell 10 effectively guides and concentrates the magnetic flux lines, reducing the interference of the external magnetic field on the internal magnetic field of the generator; the electromagnetic shielding layer 102 shields external electromagnetic interference, the structural layer 103 provides mechanical support and protection, and the coating 104 further enhances the electromagnetic shielding effect, together ensuring that the generator can operate stably in a complex electromagnetic environment.

[0048] like Figure 1 As shown, in some embodiments, the high magnet 20 is a neodymium iron boron permanent magnet; the neodymium iron boron permanent magnet has an extremely high magnetic energy product and can generate a strong and relatively stable magnetic field.

[0049] like Figure 2 As shown, in some embodiments, the high magnetic permeability layer 101 is Permalloy, which can effectively guide and concentrate magnetic lines of force and reduce the interference of the external magnetic field on the internal magnetic field of the generator.

[0050] like Figure 2 As shown, in some embodiments, the electromagnetic shielding layer 102 is copper or aluminum; when external electromagnetic interference reaches this layer, an induced current is generated on the metal surface, thereby generating an electromagnetic field opposite to the interfering electromagnetic field, thereby offsetting the interference.

[0051] like Figure 2 As shown, in some embodiments, the structural layer 103 is a high-strength and corrosion-resistant material, such as stainless steel, and is used to protect the internal structure and provide mechanical support.

[0052] like Figure 2 As shown, in some embodiments, the coating 104 is an electromagnetic shielding coating, one of the main components of which is conductive particles, such as silver powder, copper powder, nickel powder, or new conductive materials such as carbon nanotubes and graphene;

[0053] like Figure 2 As shown, in some embodiments, the coating 104 further includes a binder, such as epoxy resin, polyurethane, etc., for bonding the conductive particles together and enabling the coating to firmly adhere to the surface of the object;

[0054] In some small anti-interference magnetic generators, the outer shell is coated with electromagnetic shielding paint, which can effectively prevent nearby radio frequency interference (RFI) and electromagnetic interference (EMI), especially in places with complex electromagnetic environments such as some communication equipment rooms. This coating 104 can make the generator work better.

[0055] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An anti-interference magnetic generator, comprising a composite housing (10), characterized in that: A high magnetic body (20) is fixedly connected to the inner wall of the composite shell (10), a stator coil (30) is wound on the high magnetic body (20) to form a stator, a rotating shaft (40) is inserted and rotated in the composite shell (10), a connecting block (50) is provided on the rotating shaft (40), a rotor (60) is fixedly connected to the connecting block (50), and a circumferentially distributed rotating hole (70) is opened on the rotor (60); the composite shell (10) is composed of a high magnetic permeability layer (101), an electromagnetic shielding layer (102), a structural layer (103) and a coating (104) from the inside to the outside, and the exterior of the composite shell (10) is in the shape of a heat dissipation fin.

2. The anti-interference magnetic generator according to claim 1, characterized in that: The high magnet (20) is a neodymium iron boron permanent magnet.

3. The anti-interference magnetic generator according to claim 1, characterized in that: The high magnetic permeability layer (101) is Permalloy, which effectively guides and concentrates magnetic lines of force, reducing the interference of the external magnetic field on the internal magnetic field of the generator.

4. The anti-interference magnetic generator according to claim 1, characterized in that: The electromagnetic shielding layer (102) is copper or aluminum.

5. The anti-interference magnetic generator according to claim 1, characterized in that: The structural layer (103) is made of a high-strength and corrosion-resistant material, such as stainless steel.

6. The anti-interference magnetic generator according to claim 1, characterized in that: The coating (104) is an electromagnetic shielding coating, one of the main components of which is conductive particles, such as silver powder, copper powder, nickel powder, metal powder, or carbon nanotubes, graphene, and other new conductive materials.

7. The anti-interference magnetic generator according to claim 6, characterized in that: The coating (104) also contains a binder, such as epoxy resin or polyurethane, which is used to bind the conductive particles together and enable the coating to firmly adhere to the surface of the object.