Electromagnetic coil with anti-interference structure

Abstract

The utility model discloses an electromagnetic coil with an anti-interference structure, which comprises an anti-interference sleeve, the anti-interference sleeve is arranged outside the electromagnetic coil, the anti-interference sleeve is not contacted with the electromagnetic coil, the two ends of the electromagnetic coil are respectively provided with a connecting disc, the number of the connecting discs is two, and the diameter of each connecting disc is larger than that of the anti-interference sleeve. Connecting grooves are formed in the two connecting discs, the two ends of the anti-interference sleeve extend into the connecting grooves, and the anti-interference sleeve is connected with the connecting discs in an inserted mode; the locking bolt is arranged on one side of the connecting disc, the locking bolt is in threaded connection with the connecting disc, one end of the locking bolt is attached to the anti-interference sleeve, an anti-interference structure similar to a cage is arranged outside the electromagnetic coil, the anti-interference effect on the internal electromagnetic coil is achieved, magnetic field interference can be effectively isolated during electromagnetic transformation, and the anti-interference performance of the electromagnetic coil is improved. Influences of the electromagnetic coil are reduced, normal and stable operation of the electromagnetic coil is guaranteed, and the use effect of the electromagnetic coil is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic coils, in particular to an electromagnetic coil with an anti-interference structure. Background Art

[0002] Electromagnetic wire is an insulated wire used to make coils or windings in electrical products. Electromagnetic coils are devices that work on the principle of electromagnetic induction. Electromagnetic coils are devices that are made of wires wound around insulating tubes in circles. The wires are insulated from each other and rely on electromagnetic induction to operate. Most electrical appliances use them. The insulating tube can be hollow or contain an iron core or a magnetic powder core. When current flows through a wire, a certain electromagnetic field will be generated around the wire, and the wire of this electromagnetic field will induce the wires within the electromagnetic field.

[0003] The Chinese patent publication number is CN215417833U, and the authorization announcement date is January 4, 2022. An electromagnetic coil with good anti-interference effect includes a mounting seat, an insulating tube is fixedly connected to the top of the mounting seat, and a wire body is wound on the surface of the insulating tube. The wire body includes a copper core, an electromagnetic shielding mesh layer and a cross-linked polyethylene layer. A shielding cover is placed on the top of the mounting seat, and the shielding cover includes TF-801 silver-copper conductive coating, a base layer, a conductive rubber layer, an insulating coating and a nano waterproof coating. The utility model is provided with an electromagnetic shielding mesh layer, a cross-linked polyethylene layer and a shielding cover including a TF-801 silver-copper conductive coating and a conductive rubber layer, wherein the electromagnetic shielding mesh layer can effectively reduce electromagnetic interference and effectively reduce energy consumption at the same time, and the conductive rubber layer has good electromagnetic sealing and water vapor sealing capabilities. Through the coordinated use of the above structures, the overall anti-interference effect is effectively improved, and the problem that the existing electromagnetic coil does not have an anti-interference function during use is solved.

[0004] The exterior of the existing electromagnetic coil is directly exposed to the air when used. Exposed use reduces the anti-interference performance of the electromagnetic coil. During electromagnetic transformation, the electromagnetic coil generates self-inductance, which interferes with the external electric and magnetic fields, causing the generated voltage and current to be unstable, affecting the use of the electromagnetic coil and failing to meet usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide an electromagnetic coil with an anti-interference structure to solve the problem mentioned in the above background technology that the exterior of the existing electromagnetic coil is directly exposed to the air for use, and the exposed use reduces the anti-interference performance of the electromagnetic coil. During electromagnetic conversion, the electromagnetic coil generates self-inductance, and the external electric field and magnetic field cause interference, which will cause the generated voltage and current to be unstable, affecting the use of the electromagnetic coil and failing to meet the use requirements.

[0006] To achieve the above object, the utility model provides the following technical solution: an electromagnetic coil with an anti-interference structure, comprising an electromagnetic coil, and further comprising:

[0007] An anti-interference sleeve, which is arranged outside the electromagnetic coil, and the anti-interference sleeve is not in contact with the electromagnetic coil, both ends of the electromagnetic coil are provided with connection disks, two connection disks are provided, and the diameter of the connection disk is greater than the diameter of the anti-interference sleeve, and the two connection disks are provided with connection grooves, both ends of the anti-interference sleeve extend to the inside of the connection groove, and the anti-interference sleeve is plugged with the connection disk;

[0008] A locking bolt is arranged on one side of the connecting disk and is threadedly connected to the connecting disk. One end of the locking bolt is fitted with the anti-interference sleeve.

[0009] Preferably, the electromagnetic coil comprises a hollow insulating column and an electromagnetic wire, and the electromagnetic wire is spirally wound outside the hollow insulating column.

[0010] Preferably, the anti-interference sleeve includes a metal mesh substrate, an electromagnetic shielding film and a shielding coating, the electromagnetic shielding film is arranged on the outside of the metal mesh substrate, and the electromagnetic shielding film is bonded and connected to the metal mesh substrate, the shielding coating is arranged on the inner side of the metal mesh substrate, and the metal mesh substrate and the shielding coating are sprayed as one.

[0011] Preferably, a connector is provided on one side of each of the two connecting plates, and the connector is fixedly connected to the connecting plate, and the connector is threadedly connected to both ends of the hollow insulating column.

[0012] Preferably, the connecting groove is circular, the anti-interference sleeve is cylindrical, and the anti-interference sleeve is arranged corresponding to the connecting groove, a rubber strip is arranged inside the connecting groove, and the rubber strip is connected to the connecting disk as a whole, and the rubber strip is arranged outside the anti-interference sleeve, and the rubber strip is fitted with the anti-interference sleeve.

[0013] Preferably, an insulating pad is provided on one side of the two connecting plates, and the insulating pad is fixedly connected to the connecting plates, and the insulating pad is provided outside the connecting head.

[0014] Preferably, a protruding block is provided on the other side of the two connecting plates, and the protruding block is fixedly connected to the protruding block connecting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model device is provided with an anti-interference sleeve, a connection plate, a connection head, a connection groove and a locking bolt. The anti-interference sleeve is provided corresponding to the connection groove. The two ends of the anti-interference sleeve are inserted into the connection groove to connect with the connection plate. The locking bolt limits the anti-interference sleeve inserted into the connection groove to ensure the firmness of the connection between the anti-interference sleeve and the connection plate. The anti-interference sleeve and the connection plate form an anti-interference structure similar to a cage, which plays an anti-interference role for the electromagnetic coil. The connection head is threadedly connected to the hollow insulating column, which can connect the connection plate with the two ends of the electromagnetic coil, thereby fixing the anti-interference structure with the electromagnetic coil;

[0017] 2. The utility model device is provided with a metal mesh substrate, an electromagnetic shielding film and a shielding coating. The metal mesh substrate, the electromagnetic shielding film and the shielding coating constitute a multi-layer shielding structure, so that the anti-interference performance of the anti-interference sleeve is better, and the electromagnetic coil is better resisted. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3 This is a structural diagram of the anti-interference sleeve of the utility model;

[0021] Figure 4 For the utility model Figure 2 A partial enlarged view of area A.

[0022] In the figure: 1. anti-interference sleeve; 2. connecting plate; 3. raised block; 4. locking bolt; 5. electromagnetic coil; 6. connecting head; 7. hollow insulating column; 8. electromagnetic wire; 9. metal mesh substrate; 10. electromagnetic shielding film; 11. shielding coating; 12. connecting groove; 13. rubber strip; 14. insulating pad. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4 , the utility model provides an embodiment: an electromagnetic coil with an anti-interference structure, including an electromagnetic coil 5, and also including:

[0025] The anti-interference sleeve 1 is arranged outside the electromagnetic coil 5, and the anti-interference sleeve 1 does not contact the electromagnetic coil 5. The two ends of the electromagnetic coil 5 are provided with connection disks 2, and two connection disks 2 are provided. The diameter of the connection disks 2 is larger than the diameter of the anti-interference sleeve 1. The two connection disks 2 are provided with connection grooves 12. Both ends of the anti-interference sleeve 1 extend to the inside of the connection groove 12, and the anti-interference sleeve 1 is plugged with the connection disks 2;

[0026] The locking bolt 4 is arranged on one side of the connecting disk 2 , and the locking bolt 4 is threadedly connected to the connecting disk 2 , and one end of the locking bolt 4 is in contact with the anti-interference sleeve 1 .

[0027] During use: insert the electromagnetic coil 5 into the anti-interference sleeve 1, and then align the two ends of the anti-interference sleeve 1 with the connecting grooves 12 on the connecting disk 2 and insert them. The anti-interference sleeve 1 and the connecting disk 2 are connected to form a cage anti-interference structure, which plays an anti-interference role for the electromagnetic coil 5. Use the locking bolt 4 to limit the anti-interference sleeve 1 inserted into the connecting groove 12 to prevent the anti-interference sleeve 1 from falling off from the connecting groove 12, thereby improving the stability of the anti-interference structure.

[0028] See also Figure 2 and Figure 4 The electromagnetic coil 5 includes a hollow insulating column 7 and an electromagnetic wire 8, and the electromagnetic wire 8 is spirally wound outside the hollow insulating column 7.

[0029] See also Figure 1 , Figure 2 and Figure 3 The anti-interference sleeve 1 includes a metal mesh substrate 9, an electromagnetic shielding film 10 and a shielding coating 11. The electromagnetic shielding film 10 is arranged on the outside of the metal mesh substrate 9, and the electromagnetic shielding film 10 is bonded and connected to the metal mesh substrate 9. The shielding coating 11 is arranged on the inner side of the metal mesh substrate 9, and the metal mesh substrate 9 and the shielding coating 11 are sprayed as a whole. A multi-layer shielding structure is formed by the metal mesh substrate 9, the electromagnetic shielding film 10 and the shielding coating 11. The electromagnetic shielding film 10 and the shielding coating 11 make the anti-interference performance of the anti-interference sleeve 1 better, and ensure the stability of the electromagnetic coil.

[0030] See also Figure 2 A connector 6 is provided on one side of each of the two connecting disks 2, and the connector 6 is fixedly connected to the connecting disk 2. The connecting head 6 is threadedly connected to both ends of the hollow insulating column 7. The connecting disk 2 is conveniently connected to the electromagnetic coil 5 through the connector 6, and then the anti-interference structure is fixed to the electromagnetic coil 5.

[0031] See also Figure 1 , Figure 2 and Figure 4The connecting groove 12 is circular, the anti-interference sleeve 1 is cylindrical, and the anti-interference sleeve 1 is arranged corresponding to the connecting groove 12. A rubber strip 13 is arranged inside the connecting groove 12, and the rubber strip 13 is connected to the connecting disk 2 as a whole. The rubber strip 13 is arranged outside the anti-interference sleeve 1, and the rubber strip 13 is in contact with the anti-interference sleeve 1.

[0032] See also Figure 2 and Figure 4 An insulating pad 14 is provided on one side of the two connecting disks 2, and the insulating pad 14 is fixedly connected to the connecting disk 2. The insulating pad 14 is arranged outside the connector 6, and the insulating pad 14 ensures the insulation between the connecting disk 2 and the electromagnetic coil 5.

[0033] See also Figure 1 and Figure 2 The other sides of the two connecting disks 2 are both provided with protruding blocks 3, and the protruding blocks 3 are fixedly connected to the protruding block 3 connecting disks 2. The protruding blocks 3 are used to conveniently rotate the connecting disks 2 and disassemble the connecting disks 2 and the electromagnetic coils 5.

[0034] Working principle: insert the electromagnetic coil 5 into the anti-interference sleeve 1, connect a connecting disk 2 to one end of the electromagnetic coil 5 through the connector 6, and then align one end of the anti-interference sleeve 1 with the connecting groove 12 on the connecting disk 2 and insert it, and then connect another connecting disk 2 to the other end of the electromagnetic coil 5 according to the above method, and the other end of the anti-interference sleeve 1 is also inserted into the connecting groove 12 on the connecting disk 2, and use the locking bolt 4 to limit the anti-interference sleeve 1 inserted into the connecting groove 12 to prevent the anti-interference sleeve 1 from falling off from the connecting groove 12. The anti-interference sleeve 1 is connected to the connecting disk 2 to form an anti-interference structure similar to a cage, which has an anti-interference effect on the electromagnetic coil 5; the anti-interference sleeve 1 is composed of a metal mesh substrate 9, an electromagnetic shielding film 10 and a shielding coating 11 to form a multi-layer shielding structure, and the electromagnetic shielding film 10 and the shielding coating 11 make the anti-interference performance of the anti-interference sleeve 1 better.

[0035] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0036] Although 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 of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic coil with an anti-interference structure, comprising an electromagnetic coil (5), characterized in that: Also includes: An anti-interference sleeve (1) is arranged outside the electromagnetic coil (5), and the anti-interference sleeve (1) does not contact the electromagnetic coil (5). Both ends of the electromagnetic coil (5) are provided with connection disks (2), two connection disks (2) are provided, and the diameter of the connection disks (2) is greater than the diameter of the anti-interference sleeve (1), and both connection disks (2) are provided with connection grooves (12). Both ends of the anti-interference sleeve (1) extend to the inside of the connection grooves (12), and the anti-interference sleeve (1) is plugged into the connection disks (2); A locking bolt (4) is arranged on one side of the connecting disk (2), and the locking bolt (4) is threadedly connected to the connecting disk (2), and one end of the locking bolt (4) is in contact with the anti-interference sleeve (1).

2. The electromagnetic coil with anti-interference structure according to claim 1, characterized in that: The electromagnetic coil (5) comprises a hollow insulating column (7) and an electromagnetic wire (8), wherein the electromagnetic wire (8) is spirally wound outside the hollow insulating column (7).

3. The electromagnetic coil with anti-interference structure according to claim 1, characterized in that: The anti-interference sleeve (1) comprises a metal mesh substrate (9), an electromagnetic shielding film (10) and a shielding coating (11); the electromagnetic shielding film (10) is arranged on the outside of the metal mesh substrate (9), and the electromagnetic shielding film (10) is bonded and connected to the metal mesh substrate (9); the shielding coating (11) is arranged on the inside of the metal mesh substrate (9), and the metal mesh substrate (9) and the shielding coating (11) are sprayed as a whole.

4. The electromagnetic coil with anti-interference structure according to claim 1, characterized in that: A connector (6) is provided on one side of each of the two connection plates (2), and the connector (6) is fixedly connected to the connection plate (2), and the connector (6) is threadedly connected to both ends of the hollow insulating column (7).

5. The electromagnetic coil with anti-interference structure according to claim 1, characterized in that: The connecting groove (12) is arranged in a circular shape, the anti-interference sleeve (1) is arranged in a cylindrical shape, and the anti-interference sleeve (1) and the connecting groove (12) are arranged correspondingly, a rubber strip (13) is arranged inside the connecting groove (12), and the rubber strip (13) and the connecting plate (2) are connected as a whole, and the rubber strip (13) is arranged outside the anti-interference sleeve (1), and the rubber strip (13) and the anti-interference sleeve (1) are in contact with each other.

6. The electromagnetic coil with anti-interference structure according to claim 1, characterized in that: An insulating pad (14) is provided on one side of each of the two connection plates (2), and the insulating pad (14) is fixedly connected to the connection plate (2), and the insulating pad (14) is provided outside the connection head (6).

7. The electromagnetic coil with an anti-interference structure according to claim 1, characterized in that: A protruding block (3) is provided on the other side of the two connecting disks (2), and the protruding block (3) is fixedly connected to the protruding block (3) connecting disk (2).

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