CN219778665U - Inductance element - Google Patents
Inductance element Download PDFInfo
- Publication number
- CN219778665U CN219778665U CN202321368198.XU CN202321368198U CN219778665U CN 219778665 U CN219778665 U CN 219778665U CN 202321368198 U CN202321368198 U CN 202321368198U CN 219778665 U CN219778665 U CN 219778665U
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- magnetic
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- projection
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- 238000003466 welding Methods 0.000 claims abstract description 115
- 239000003292 glue Substances 0.000 claims description 83
- 239000011248 coating agent Substances 0.000 claims description 59
- 238000000576 coating method Methods 0.000 claims description 59
- 230000001939 inductive effect Effects 0.000 claims description 11
- 229910000679 solder Inorganic materials 0.000 claims description 9
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000010073 coating (rubber) Methods 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 14
- 239000000853 adhesive Substances 0.000 description 16
- 230000001070 adhesive effect Effects 0.000 description 16
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Coils Or Transformers For Communication (AREA)
Abstract
The utility model provides an inductance element, which comprises a rubber plate, a coil, a magnetic rubber coating, a magnetic core and an electrode, wherein the electrode is arranged on one surface of the rubber plate, which is far away from the electrode, is connected with the coil and the magnetic rubber coating, the magnetic rubber coating is arranged on the outer part of the coil, one side of the magnetic rubber coating and the coil, which is far away from the rubber plate, are connected with the magnetic core, the coil forms welding spots with the electrode through lead wires, so that the electrode is electrically connected with the coil, the lead wires are positioned on the outer part of the magnetic rubber coating, the lead wires are positioned on one side of the magnetic rubber coating, which is close to the rubber plate, and the projection of the welding spots, the projection of the magnetic rubber coating and the projection of the rubber plate are not overlapped, so that the detection efficiency of detecting the welding condition of the welding spots is improved.
Description
Technical Field
The utility model relates to the technical field of inductors, in particular to an inductance element.
Background
With the development of science and technology, the inductance element is widely applied to various fields, and the requirement on the inductance element is also higher and higher, for example, various inductance elements for vehicles are required to have high quality and zero defects. If the inductance element with quality problem is applied to the vehicle, serious safety hazards exist, so that the inductance element is usually required to be detected when the product is manufactured.
At present, the connection between the coil and the electrode is usually welded together by adopting a welding process so as to realize the conduction between the coil and the electrode, but the welding point between the coil and the electrode is usually half-wrapped in the magnetic sleeve, so that the detection equipment can only detect the welding condition of the welding point through the side surface, and the detection equipment with 90 degrees vertical to the detection equipment cannot be used for detecting the welding condition of the welding point, thereby causing poor efficiency of detecting the welding condition of the welding point.
Disclosure of Invention
In view of the above, the present utility model provides an inductance element to improve the detection efficiency of detecting the welding condition of a welding spot.
The utility model provides an inductance element, which comprises a rubber plate, a coil, a magnetic rubber coating, a magnetic core and an electrode, wherein the electrode is arranged on one surface of the rubber plate, which is far away from the electrode, is connected with the coil and the magnetic rubber coating, the magnetic rubber coating is arranged on the outer part of the coil, one side of the magnetic rubber coating and one side of the coil, which is far away from the rubber plate, are connected with the magnetic core, the coil forms welding spots with the electrode through leads so that the electrode is electrically connected with the coil, the leads are positioned on the outer part of the magnetic rubber coating, the leads are positioned on one side of the magnetic rubber coating, which is close to the rubber plate, and the projection of the welding spots is not overlapped with the projection of the magnetic core, the projection of the magnetic rubber coating and the projection of the rubber plate in the direction from the magnetic core to the rubber plate.
And the projection of the magnetic glue coating is positioned in the projection of the magnetic core and the projection of the glue plate in the direction from the magnetic core to the glue plate.
Wherein the distance between the rubber plate and the magnetic core and the welding point is more than or equal to 0.2mm.
Wherein, the included angle between the welding spot and the magnetic glue coating and between the welding spot and the glue plate is 30-60 degrees.
The number of the welding spots is two, and the longest distance between the two welding spots is smaller than or equal to the longest width of the magnetic core and the rubber plate.
Wherein, the distance between two welding points is smaller than the diameter of the magnetic core.
Wherein the welding spot is positioned between the electrode and the magnetic glue coating.
Wherein, the juncture of the magnetic glue coating and the lead wire is a burn-back blocking part.
Wherein, part of the electrode is arranged in the rubber plate.
Wherein the two welding spots are not contacted.
The utility model provides an inductance element, which comprises a rubber plate, a coil, a magnetic glue coating, a magnetic core and an electrode, wherein the electrode is arranged on one surface of the rubber plate, which is far away from the electrode, is connected with the coil and the magnetic glue coating, the magnetic glue coating is arranged on the outer part of the coil, one side of the magnetic glue coating and the coil, which is far away from the rubber plate, are connected with the magnetic core, the coil forms welding spots with the electrode through leads so as to enable the electrode to be electrically connected with the coil, the leads are positioned on the outer part of the magnetic glue coating, and the projection of the welding spots is not overlapped with the projection of the magnetic core, the projection of the magnetic glue coating and the projection of the rubber plate in the direction from the magnetic core to the rubber plate, so that the risk of disconnection of the inductance element is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an inductance element according to the present utility model;
fig. 2 is a schematic diagram of the front view of the inductive element of fig. 1;
fig. 3 is a schematic top view of the inductive element of fig. 1;
fig. 4 is a schematic bottom view of the inductance component in fig. 1;
fig. 5 is a schematic structural diagram of a glue plate, a magnetic glue coating and a coil in an inductance element according to the present utility model.
Reference numerals:
10. an inductance element; 100. a rubber plate; 200. a coil; 300. a magnetic glue coating; 400. a magnetic core; 500. an electrode; 600. welding spots; 700. and (5) a lead wire.
Detailed Description
The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. The various embodiments described below and their technical features can be combined with each other without conflict.
The utility model provides an inductance element, which comprises a rubber plate, a coil, a magnetic glue coating, a magnetic core and an electrode, wherein the electrode is arranged on one surface of the rubber plate, which is far away from the electrode, is connected with the coil and the magnetic glue coating, the magnetic glue coating is arranged outside the coil, one side of the magnetic glue coating, which is far away from the rubber plate, is connected with the magnetic core, the coil forms welding spots with the electrode through leads, so that the electrodes are electrically connected with the coil, the leads are positioned outside the magnetic glue coating, and the projection of the welding spots is not overlapped with the projection of the magnetic core and the projection of the rubber plate in the direction from the magnetic core to the rubber plate.
According to the utility model, through improving the position relation among the rubber plate, the magnetic core, the magnetic rubber coating, the coil and the electrode, the welding spots are not overlapped with the magnetic core, the rubber plate and the magnetic rubber coating, so that the AOI equipment can detect the welding conditions of the welding spots from the side surface, and can also detect the welding conditions of the welding spots vertically at 90 degrees, namely, the welding conditions of the welding spots can be detected from one side of the magnetic core to one side of the rubber plate, namely, the welding conditions of the welding spots can be detected from multiple directions, thereby being convenient for detecting the welding conditions of the welding spots, and further improving the efficiency of detecting the welding conditions of the welding spots.
Referring to fig. 1-5, fig. 1 is a schematic perspective view of an inductance element provided by the present utility model, fig. 2 is a schematic front view of the inductance element in fig. 1, fig. 3 is a schematic top view of the inductance element in fig. 1, fig. 4 is a schematic bottom view of the inductance element in fig. 1, and fig. 5 is a schematic structure of a glue plate, a magnetic glue coating and a coil in the inductance element provided by the present utility model. The utility model provides an inductance element 10, which comprises a glue plate 100, a coil 200, a magnetic glue coating 300, a magnetic core 400 and an electrode 500.
The electrode 500 is disposed on one side of the adhesive sheet 100. Specifically, a portion of the electrode 500 is embedded in the adhesive plate 100, the portion of the electrode 500 connected to the lead 700 is not overlapped with the adhesive plate 100, and the adhesive plate 100 is made of an insulating material, so as to avoid conduction between the adhesive plate 100 and the electrode 500, and further avoid short circuit between the adhesive plate 100 and the electrode 500.
One side of the glue plate 100 away from the electrode 500 is connected with the coil 200 and the magnetic glue coating 300, the magnetic glue coating 300 is arranged outside the coil 200, one side of the magnetic glue coating 300 and the coil 200 away from the glue plate 100 is connected with the magnetic core 400, the coil 200 forms a welding spot 600 with the electrode 500 through a lead 700, so that the electrode 500 is electrically connected with the coil 200, the lead 700 is positioned outside the magnetic glue coating 300, the lead 700 is positioned on one side of the magnetic glue coating 300 close to the glue plate 100, and in the direction from the magnetic core 400 to the glue plate 100, the projection of the welding spot 600 is not overlapped with the projection of the magnetic core 400 and the projection of the glue plate 100. Specifically, the adhesive plate 100 is formed by using a magnetic material, one surface of the adhesive plate 100 facing away from the electrode 500 is connected with the coil 200 and the magnetic adhesive coating 300, the magnetic adhesive coating 300 is formed by coating the magnetic adhesive on the outside of the coil 200, the coil 200 is formed by winding a wire, the end part of the wire is connected with one end part of the lead 700, the other end part of the lead 700 is connected with the electrode 500 to form a welding spot 600, and the lead 700 is positioned on the outside of the magnetic adhesive.
In the prior art, a magnetic sleeve is generally used as a magnetic shielding structure, and welding spots between leads and electrodes of a coil are semi-wrapped in a magnetic adhesive coating, so that automatic optical detection (Automated Optical Inspection, AOI) equipment can only detect welding conditions of the welding spots through the side surfaces and cannot detect the welding conditions of the welding spots through the AOI equipment perpendicular to 90 degrees, and therefore the welding conditions of the welding spots cannot be detected rapidly. In the utility model, by improving the position relation among the glue board 100, the magnetic core 400, the magnetic glue coating 300, the coil 200 and the electrode 500, the welding spot 600 is not overlapped with the magnetic core 400, the glue board 100 and the magnetic glue coating 300, so that the AOI equipment can not only detect the welding condition of the welding spot 600 from the side surface, but also can detect the welding condition of the welding spot 600 vertically by 90 degrees, namely, the welding condition of the welding spot 600 can be detected from one side of the magnetic core 400 to one side of the glue board 100, so that the welding condition of the welding spot 600 can be detected conveniently, the efficiency of detecting the welding condition of the welding spot 600 is improved, and meanwhile, the welding spot 600 can be detected from multiple directions from the front surface and the side surface of the inductance element 10, so that the accuracy of detecting the welding condition of the welding spot 600 is improved, the risk of open circuit of the inductance element 10 is reduced, and the performance of the inductance element 10 is ensured.
In the utility model, the magnetic glue coating 300 is adopted as a magnetic shielding mode of the inductance element 10, and before laser welding is carried out, the coil 200 is glued to form the magnetic glue coating 300, and the formed magnetic glue coating 300 can completely adhere to the coated coil 200, so that when the lead 700 and the electrode 500 are welded together by using laser, heat generated by welding cannot occur, a paint film is not burned back to the coil 200, and the condition of short circuit at the junction of the lead 700 and the coil 200 is avoided, thereby ensuring the performance of the inductance element 10.
In one embodiment, the projection of the magnetic glue coating 300 is located within the projection of the magnetic core 400 and the projection of the glue plate 100 in a direction from the magnetic core 400 toward the glue plate 100.
In the present utility model, the projection of the magnetic glue coating 300 is set to be located in the projection of the magnetic core 400 and the projection of the glue plate 100, so that the distance between the magnetic glue coating 300 and the welding spot 600 is further increased by the welding spot 600, thereby further improving the efficiency of detecting the welding condition of the welding spot 600, and simultaneously, further improving the accuracy of detecting the welding condition of the welding spot 600, reducing the risk of open circuit of the inductance element 10, thereby ensuring the performance of the inductance element 10.
In one embodiment, the distance L between the glue plate 100 and the core 400 to the weld spot 600 is 0.2mm or more. Specifically, the distance L between the glue plate 100 and the magnetic core 400 and the welding spot 600 may be 0.2mm, 0.4mm, 0.6mm, 0.9mm, 1.2mm, or the like, and in this embodiment, the distance L between the glue plate 100 and the magnetic core 400 and the welding spot 600 is exemplified as 0.7 mm.
In the present utility model, the distance L between the glue plate 100 and the magnetic core 400 to the welding spot 600 is set to be greater than or equal to 0.2mm, so that the welding spot 600 further increases the distance between the magnetic glue coating 300 and the welding spot 600, thereby further improving the efficiency of detecting the welding condition of the welding spot 600, and simultaneously further improving the accuracy of detecting the welding condition of the welding spot 600, reducing the risk of open circuit of the inductance element 10, thereby ensuring the performance of the inductance element 10.
In one embodiment, the angle between the solder joint 600 and the magnetic glue coating 300 and glue plate 100 is 30 ° -60 °. Specifically, the included angle between the welding spot 600 and the magnetic glue coating 300 and the glue plate 100 may be 30 °, 34 °, 42 °, 48 °, 54 ° or 60 °.
In the utility model, the included angle between the welding spot 600 and the magnetic glue coating 300 and the glue plate 100 is set to be 30-60 degrees, so that the detection efficiency and the detection accuracy for detecting the welding condition of the welding spot 600 can be further improved, and meanwhile, the volume of the inductance element 10 is reduced, and the purpose of miniaturizing the inductance element 10 is achieved.
In one embodiment, the number of welding spots 600 is two, and the longest distance H between the two welding spots 600 is less than or equal to the longest width H of the magnetic core 400 and the glue board 100.
In one embodiment, the distance R between the two solder joints 600 is less than the diameter R of the magnetic core 400.
In the present utility model, the distance R between the two welding spots 600 is set smaller than the diameter R of the magnetic core 400, so that the detection efficiency and the detection accuracy of detecting the welding condition of the welding spots 600 can be further improved, and at the same time, the volume of the inductance element 10 is reduced, thereby achieving the purpose of miniaturizing the inductance element 10.
In one embodiment, the solder joint 600 is located between the electrode 500 and the flux coating 300.
In the present utility model, the welding spot 600 is disposed between the electrode 500 and the magnetic glue coating 300, so that the detection efficiency and the detection accuracy for detecting the welding condition of the welding spot 600 can be further improved, and meanwhile, the volume of the inductance element 10 is reduced, thereby achieving the purpose of miniaturizing the inductance element 10.
In one embodiment, the interface between the flux coating 300 and the leads 700 is a burn-back barrier.
In the utility model, as the magnetic adhesive coating 300 is adopted as the magnetic shielding structure, the magnetic adhesive coating 300 is coated outside the coil 200 before the coil 200 is welded with the electrode 500, so that during welding, the juncture of the magnetic adhesive coating 300 and the lead 700 forms a backfire blocking part to prevent a paint film from backfiring to the coil 200, thereby avoiding the risk of short circuit at the juncture of the lead 700 and the coil 200.
In one embodiment, the two pads 600 do not contact.
In the present utility model, the two welding spots 600 are set not to be in contact, so that the detection efficiency and the detection accuracy of detecting the welding condition of the welding spots 600 can be further improved, the volume of the inductance element 10 can be reduced, and the purpose of miniaturizing the inductance element 10 can be achieved.
The utility model provides an inductance element 10, by improving the position relation among a glue plate 100, a magnetic core 400, a magnetic glue coating 300, a coil 200 and an electrode 500, a welding spot 600 is not overlapped with the magnetic core 400, the glue plate 100 and the magnetic glue coating 300, so that an AOI device can not only detect the welding condition of the welding spot 600 from the side surface, but also can vertically detect the welding condition of the welding spot 600 by 90 degrees, namely, the welding condition of the welding spot 600 can be detected from one side of the magnetic core 400 to one side of the glue plate 100, so that the welding condition of the welding spot 600 can be detected conveniently, the efficiency of detecting the welding condition of the welding spot 600 is improved, and meanwhile, the welding condition of the welding spot 600 can be detected from multiple directions from the front surface and the side surface of the inductance element 10, so that the accuracy of detecting the welding condition of the welding spot 600 is improved, the risk of open circuit of the inductance element 10 is reduced, and the performance of the inductance element 10 is ensured.
The foregoing embodiments of the present utility model are not limited to the above embodiments, but are intended to be included within the scope of the present utility model as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides an inductance element, its characterized in that includes glued board, coil, magnetic glue coating, magnetic core and electrode, the electrode set up in the one side of glued board, glued board keep away from the one side of electrode with the coil and the magnetic glue coating is connected, the magnetic glue coating set up in the outside of coil, magnetic glue coating and coil keep away from one side of glued board with the magnetic core is connected, the coil pass through the lead wire with the electrode forms the solder joint, so that the electrode with the electricity of coil is connected, the lead wire is located the outside of magnetic glue coating, the lead wire is located the magnetic glue coating is close to one side of glued board, from the magnetic core orientation in the direction of glued board, the projection of solder joint with the projection of magnetic core, the projection of magnetic glue coating and the projection of glued board do not overlap.
2. The inductive element of claim 1, wherein a projection of said flux coating is located within a projection of said core and a projection of said glue plate in a direction from said core toward said glue plate.
3. The inductive component of claim 1, wherein a distance between said glue plate and said core to said solder joint is greater than or equal to 0.2mm.
4. An inductive element according to any of claims 1-3, characterized in that the angle between the solder joint and the magnetic glue coating and the glue plate is 30 ° -60 °.
5. An inductive component according to any one of claims 1-3, wherein said solder joints have two, the longest distance between two of said solder joints being less than or equal to the longest width of said core and said glue plate.
6. The inductive element of claim 5, wherein a distance between two of said pads is less than a diameter of said core.
7. An inductive element according to any one of claims 1-3, characterized in that said welding spot is located between said electrode and said magnetic glue coating.
8. An inductive element according to any one of claims 1-3, wherein the interface of the magnetic glue coating and the lead is a burn-back barrier.
9. An inductive element according to any one of claims 1-3, wherein part of said electrodes are arranged within said glue plate.
10. The inductive component of claim 5, wherein two of said pads are not in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321368198.XU CN219778665U (en) | 2023-05-31 | 2023-05-31 | Inductance element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321368198.XU CN219778665U (en) | 2023-05-31 | 2023-05-31 | Inductance element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219778665U true CN219778665U (en) | 2023-09-29 |
Family
ID=88108122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321368198.XU Active CN219778665U (en) | 2023-05-31 | 2023-05-31 | Inductance element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219778665U (en) |
-
2023
- 2023-05-31 CN CN202321368198.XU patent/CN219778665U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |