Magnetic suspension electromagnet coil

Abstract

The utility model belongs to the technical field of electromagnet coils, particularly relates to a magnetic suspension electromagnet coil, and aims to solve the problems that a coil with a large number of turns can generate a strong magnetic field under the same current, so that the coil with a large number of turns can be adopted to generate a strong and stable magnetic field, but the large number of turns can cause some problems. In order to solve the problems that the energy loss is further increased and even the coil is possibly damaged due to the fact that the resistance of the coil is increased and heating is increased, the utility model provides the following scheme: the coil comprises a hollow framework, a plurality of turns of coils are wound on the hollow framework, and a protective sleeve is wound on the whole outer wall of the plurality of turns of coils; and the outer wall of a single copper wire of the multi-turn coil is covered and sprayed with an insulating layer. When the magnetic suspension electromagnet coil is used, through the design of the protective sleeve, the ceramic insulating coating, the heat dissipation fins, the heat extraction fan, the heat dissipation holes and the like which are made of polyimide film materials, the heat dissipation efficiency and durability of the coil are effectively improved, and stable operation of a magnetic suspension electromagnet is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnet coil technical field especially relates to magnetic suspension electromagnet coil. BACKGROUND

[0002] The magnetic suspension electromagnet coil is a key component in magnetic suspension technology, which uses electromagnetic force to achieve the suspension of objects. It is usually made of wire winding to form one or more coils. These coils will generate a magnetic field when energized, which interacts with permanent magnets or other electromagnets to generate a suspension force.

[0003] Because the coil with more turns can generate a stronger magnetic field under the same current, in order to generate a strong and stable magnetic field, a coil with more turns is used. However, too many turns will also cause some problems, such as increased resistance of the coil, leading to increased heat generation, thereby further increasing energy loss, and even possibly damaging the coil.

[0004] To solve the above problems, the utility model file provides a magnetic suspension electromagnet coil. INVENTION CONTENTS

[0005] The utility model provides a magnetic suspension electromagnet coil, which solves the problem that in the prior art, a coil with more turns is used to generate a strong and stable magnetic field, but too many turns will also cause some problems, such as increased resistance of the coil, leading to increased heat generation, thereby further increasing energy loss, and even possibly damaging the coil.

[0006] The utility model provides the following technical scheme:

[0007] The magnetic suspension electromagnet coil comprises:

[0008] A hollow skeleton is provided with a multi-turn coil wound thereon, and a protective sleeve is wound on the overall outer wall of the multi-turn coil. An insulating layer is sprayed on the outer wall of a single copper wire of the multi-turn coil.

[0009] A heat dissipation enhancement component is provided on the hollow skeleton to improve the heat dissipation efficiency of the multi-turn coil during operation to prevent damage.

[0010] In one possible design, the heat dissipation enhancement component includes a plurality of heat dissipation fins arranged in a ring array on the inner wall of the hollow skeleton, and a strip-shaped hole is provided on the side wall of the hollow skeleton for corresponding heat dissipation fins to pass through and fix.

[0011] In a possible design, the top of the hollow framework is provided with an air extraction fan, mounting bolts are arranged through the four corners of the air extraction fan, and the top of the hollow framework is provided with threaded grooves for screwing the bottom ends of the mounting bolts.

[0012] In a possible design, the top and the bottom of the hollow framework are both annularly arranged with a plurality of heat dissipation holes.

[0013] In a possible design, the protective sleeve is made of polyimide film material.

[0014] In a possible design, the insulating layer is a ceramic insulating coating.

[0015] It should be understood that the foregoing general description and the following detailed description are only exemplary and do not limit the present application.

[0016] The working principle and use process of the technical solution are as follows:

[0017] When the magnetic suspension electromagnet coil is powered on, the multi-turn coil generates a magnetic field, thereby realizing the magnetic suspension effect, and the insulating layer made of ceramic insulating coating covers the outer wall of the single copper wire of the multi-turn coil, preventing current leakage and short circuit, and ensuring the stability and safety of the electromagnetic induction process, and the protective sleeve made of polyimide film material is wound on the outer wall of the multi-turn coil, for protecting the coil from damage by external environment such as mechanical wear and corrosion.

[0018] During operation, the heat dissipation fins and the heat dissipation holes can effectively dissipate the heat generated by the coil into the air, preventing the coil from overheating and being damaged, and if necessary, the air extraction fan can be started to take away more heat by accelerating air flow, further improving the heat dissipation efficiency.

[0019] The present application has the following advantages:

[0020] The present application can significantly improve the heat dissipation efficiency of the coil, prevent the coil from overheating and being damaged during operation, and prolong the service life of the coil.

[0021] The present application covers the single copper wire of the multi-turn coil with a ceramic insulating coating, and winds a protective sleeve made of polyimide film material on the outer wall, which can significantly enhance the insulation performance of the coil and ensure the stability and safety of the current transmission process.

[0022] The present application adopts a protective sleeve made of polyimide film material, a ceramic insulating coating, heat dissipation fins, an air extraction fan and heat dissipation holes, effectively improving the heat dissipation efficiency and durability of the coil, and ensuring the stable operation of the magnetic suspension electromagnet. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A three-dimensional structure schematic diagram of the magnetic suspension electromagnet coil provided by the embodiment of the utility model;

[0024] Figure 2 A disassembled structure schematic diagram of the magnetic suspension electromagnet coil provided by the embodiment of the utility model;

[0025] Figure 3 A hollow framework structure schematic diagram of the magnetic suspension electromagnet coil provided by the embodiment of the utility model;

[0026] Figure 4 A multi-turn coil copper wire cross-section structure schematic diagram of the magnetic suspension electromagnet coil provided by the embodiment of the utility model.

[0027] The figure mark: 1, hollow framework;2, multi-turn coil;3, strip hole;4, heat dissipation fin;5, heat extraction fan;6, mounting bolt;7, heat dissipation hole;8, protective sleeve;9, insulating layer;10, thread groove. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it is understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] In order to keep the following description of the embodiments of the utility model clear and concise, the utility model omits the detailed description of known functions and known components.

[0031] Embodiment one

[0032] Please refer to Figures 1-4 , the magnetic suspension electromagnet coil is applied in the electromagnet coil field, comprising:

[0033] The hollow skeleton 1 is made of high-strength insulating material as the basic support structure of the coil to ensure that there is no electrical short circuit when the electromagnet is running, and a plurality of turns of coils 2 are wound on the surface of the hollow skeleton 1 according to a specific number of turns and arrangement, which are the key components to generate the magnetic suspension effect, in order to improve the durability and insulation performance of the coil, a protective sleeve 8 is wound on the overall outer wall of the plurality of turns of coils 2, which is made of polyimide film material, which not only has good insulation performance, but also can effectively resist high temperature and corrosion, and protect the coil from damage from the external environment, in addition, in order to further enhance the insulation performance of each copper wire, a ceramic insulation coating 9 is sprayed on the outer wall of each copper wire to ensure the stability and safety of the current during transmission.

[0034] In order to solve the problem of heat accumulation of the coil during long-time operation, a heat dissipation enhancement assembly is designed, which includes a plurality of heat dissipation fins 4 arranged in a ring array on the inner wall of the hollow skeleton 1 and fixed through the strip-shaped hole 3 and the side wall of the hollow skeleton 1, the design of the heat dissipation fins 4 increases the heat dissipation area, so that the heat generated by the coil can be dissipated to the air through heat conduction and convection more quickly.

[0035] In order to further improve the heat dissipation efficiency, an exhaust fan 5 is arranged on the top of the hollow skeleton 1, the exhaust fan 5 is threadedly connected with the threaded groove 10 on the top of the hollow skeleton 1 through the mounting bolt 6, which ensures the stability and reliability during operation, the operation of the exhaust fan 5 can accelerate the air flow, thereby taking away more heat and effectively preventing the coil from overheating and damaging.

[0036] Embodiment two

[0037] Based on the improvement of the first embodiment:

[0038] Please refer to Figure 2 In addition to the above heat dissipation measures, a plurality of heat dissipation holes 7 are arranged in a ring array on the top and bottom of the hollow skeleton 1, which further increases the heat dissipation area of the coil, so that the heat can be dissipated more smoothly through air convection.

[0039] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application; in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A magnetic levitation electromagnet coil, characterized by, Include: Hollow skeleton (1), the hollow skeleton (1) is wound and provided with multiple turns of coil (2), the overall outer wall of the multiple turns of coil (2) is wound and provided with protective sleeve (8), the outer wall of single copper wire of the multiple turns of coil (2) is covered with sprayed insulation layer (9); Heat dissipation enhancement assembly is arranged on the hollow skeleton (1), which is used to improve the heat dissipation efficiency of the multiple turns of coil (2) during operation to avoid damage.

2. The magnetic levitation electromagnet coil according to claim 1, characterized in that, The heat dissipation enhancement assembly includes a plurality of heat dissipation fins (4) arranged in an annular array on the inner wall of the hollow skeleton (1), and the side wall of the hollow skeleton (1) is provided with a strip-shaped hole (3) for corresponding heat dissipation fin (4) through fixation.

3. The magnetic levitation electromagnet coil according to claim 2, characterized in that The top of the hollow skeleton (1) is provided with a heat extraction fan (5), and mounting bolts (6) are arranged through the four-corner mounting holes of the heat extraction fan (5), and the top of the hollow skeleton (1) is provided with a threaded groove (10) for screwing the bottom end of the mounting bolt (6).

4. The magnetic levitation electromagnet coil of claim 1, wherein, The top and bottom of the hollow skeleton (1) are both annularly arranged with a plurality of heat dissipation holes (7).

5. The magnetic levitation electromagnet coil of claim 1, wherein, The protective sleeve (8) is made of polyimide film material.

6. The magnetic levitation electromagnet coil of claim 1, wherein, The insulation layer (9) is a ceramic insulation coating.

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