Magnetic device
By using an adhesive layer in the magnetic device to bond the wire cake to the metal sheet, the problem of wire cake falling off is solved, achieving more efficient assembly and more stable product.
Patent Information
- Application Number
- CN202422109400.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-29
AI Technical Summary
In magnetic devices, the assembly process of wire cake and metal sheets is easily caused to fall off the lead wire, resulting in high cost and poor product stability.
The wire cake is adhered to the metal sheet and heated to bond it into a single component to avoid falling off due to the pull of the connecting wire during assembly.
Simplifies the assembly process, reduces costs and improves product stability.
Smart Images

Figure CN223078962U_ABST
Abstract
Description
Technical Field
[0001] An embodiment of the present utility model relates to a magnetic device, and more particularly to a magnetic device that is convenient to manufacture. Background Art
[0002] Known magnetic devices include an iron core component, a coil module, and a plurality of metal plates. The coil module includes a plurality of wire bobbins. In the known art, the wire bobbins and the metal plates need to be assembled into the iron core component in an overlapping manner. However, since the wire bobbins are of a continuous wire structure, the lead wires are often prone to falling off the wire bobbins due to the pulling of the connecting wires during the assembly process, and the assembly process requires more man-hours, resulting in a relatively high cost of the magnetic device and poor product stability. Summary of the Utility Model
[0003] An embodiment of the present utility model provides a magnetic device for solving the problems of the known art, which includes a coil module, a first metal plate, and a first adhesive layer. The coil module includes a first wire bobbin and a second wire bobbin. The first metal plate includes a first surface and a second surface, and the first surface is opposite to the second surface. The first adhesive layer is coated on the first surface, wherein the first wire bobbin is adhered to the first surface by the first adhesive layer, and the second wire bobbin is correspondingly arranged on the second surface.
[0004] In one embodiment, the magnetic device further includes a second adhesive layer, a second metal plate, and a third adhesive layer. The second adhesive layer is coated on the second surface, wherein the second wire bobbin is adhered to the second surface by the second adhesive layer. The second metal plate includes a third surface facing the first surface. The third adhesive layer is coated on the third surface, wherein the first wire bobbin is adhered to the third surface by the third adhesive layer, and the first wire bobbin is clamped between the first metal plate and the second metal plate.
[0005] In one embodiment, during the forming process of the coil module, the first wire bobbin is wound and formed between the first metal plate and the second metal plate.
[0006] In one embodiment, during the forming process of the coil module, the first wire bobbin, the second wire bobbin, the first metal plate, and the second metal plate are heated together to bond the first wire bobbin, the second wire bobbin, the first metal plate, and the second metal plate into a single component.
[0007] In one embodiment, the magnetic device further includes a first iron core component and a second iron core component, wherein the first wire bobbin, the second wire bobbin, the first metal plate, and the second metal plate are arranged between the first iron core component and the second iron core component.
[0008] In one embodiment, the first iron core component includes a core column, and the first coil turn, the second coil turn, the first metal plate member, and the second metal plate member are sleeved on the core column.
[0009] In one embodiment, the coil module further includes a third coil turn that does not adhere to any metal plate member. During the forming process of the coil module, the first coil turn, the second coil turn, and the third coil turn are heated simultaneously.
[0010] In one embodiment, the magnetic device further includes a third iron core component, wherein the third coil turn is disposed between the third iron core component and the second iron core component.
[0011] In one embodiment, the first metal plate member includes a U-shaped body, a first connecting portion, a second connecting portion, and a third connecting portion. The first connecting portion and the second connecting portion are located at two ends of the U-shaped body, and the third connecting portion is located in the middle section of the U-shaped body.
[0012] In one embodiment, the first iron core component and the second iron core component jointly form an opening, and the third connecting portion protrudes outside the opening.
[0013] In an embodiment of the present utility model, the coil turns are formed adjacent to the metal plate members. Moreover, the coil module and the metal plate members are heated together. The coil module and the metal plate members are thus bonded into a single component. Thereby, the coil module and the metal plate members of the embodiment of the present utility model can be conveniently assembled together into the iron core component. During the assembly process, the situation that the lead wire falls off from the coil turn due to the pulling of the connecting wire can be avoided, the working hours of the assembly process are reduced, the cost of the magnetic device is saved, and the product stability is also relatively high. Description of the Drawings
[0014] Figure 1 is a partial structure perspective view showing the magnetic device according to an embodiment of the present utility model;
[0015] Figure 2 is a partial structure exploded view showing the magnetic device according to an embodiment of the present utility model;
[0016] Figure 3 is a partial structure sectional view showing the magnetic device according to an embodiment of the present utility model;
[0017] Figure 4 is an exploded view showing the magnetic device according to an embodiment of the present utility model;
[0018] Figure 5 is a perspective view showing the magnetic device according to an embodiment of the present utility model;
[0019] Figure 6 is a manufacturing method showing an embodiment of the present utility model;
[0020] Figure 7 It shows the winding method of the embodiment of the present utility model.
[0021]
Symbol Explanation
[0022] M: Magnetic device
[0023] 1: Coil module
[0024] 11: First wire cake
[0025] 12: Second wire cake
[0026] 13: Third wire cake
[0027] 14: Fourth wire cake
[0028] 21: First metal plate
[0029] 211: First surface
[0030] 212: Second surface
[0031] 213: U-shaped body
[0032] 214: First connecting part
[0033] 215: Second connecting part
[0034] 216: Third connecting part
[0035] 22: Second metal plate
[0036] 221: Third surface
[0037] 31: First adhesive layer
[0038] 32: Second adhesive layer
[0039] 33: Third adhesive layer
[0040] 401: Opening
[0041] 41: First iron core component
[0042] 411: Core column
[0043] 42: Second iron core component
[0044] 43: Third iron core component
[0045] S1, S2, S3, S4, S5: Steps Detailed implementation manner
[0046] Figure 1 It shows a partial structure three-dimensional view of the magnetic device of the embodiment of the present utility model. Figure 2It is an exploded view of a partial structure of the magnetic device according to an embodiment of the present invention. Figure 3 It is a cross-sectional view of a partial structure of the magnetic device according to an embodiment of the present invention. Refer to Figure 1 、 2 、3, the magnetic device M according to an embodiment of the present invention includes a coil module 1, a first metal plate 21, and a first adhesive layer 31. The coil module 1 includes a first wire coil 11 and a second wire coil 12. The first metal plate 21 includes a first surface 211 and a second surface 212, and the first surface 211 is opposite to the second surface 212. The first adhesive layer 31 is coated on the first surface 211, wherein the first wire coil 11 is adhered to the first surface 211 by the first adhesive layer 31. The second wire coil 12 is correspondingly arranged on the second surface 212.
[0047] Refer to Figure 1 、 2 、3, in an embodiment, the magnetic device M further includes a second adhesive layer 32, a second metal plate 22, and a third adhesive layer 33. The second adhesive layer 32 is coated on the second surface 212, wherein the second wire coil 12 is adhered to the second surface 212 by the second adhesive layer 32. The second metal plate 22 includes a third surface 221, and the third surface 221 faces the first surface 211. The third adhesive layer 33 is coated on the third surface 221, wherein the first wire coil 11 is adhered to the third surface 221 by the third adhesive layer 33, and the first wire coil 11 is clamped between the first metal plate 21 and the second metal plate 22.
[0048] Refer to Figure 1 、 2 、3, in an embodiment, during the forming process of the coil module, the first wire coil 11 is wound and formed between the first metal plate 21 and the second metal plate 22. In an embodiment, the first wire coil 11 is stacked in a single-layer winding manner. The above disclosure does not limit the present invention.
[0049] Refer to Figure 1 、 2 、3, in an embodiment, during the forming process of the coil module, the first wire coil 11, the second wire coil 12, the first metal plate 21, and the second metal plate 22 are jointly heated to bond the first wire coil 11, the second wire coil 12, the first metal plate 21, and the second metal plate 22 into a single component.
[0050] Figure 4 It is an exploded view of the magnetic device according to an embodiment of the present invention. Figure 5 It is a three-dimensional view of the magnetic device according to an embodiment of the present invention. Refer to Figure 4 、5 In one embodiment, the magnetic device further includes a first iron core component 41 and a second iron core component 42. Among them, the first coil turn 11, the second coil turn 12, the first metal plate 21, and the second metal plate 22 are disposed between the first iron core component 41 and the second iron core component 42.
[0051] Refer to Figure 4 In one embodiment, the first iron core component 41 includes a core column 411, and the first coil turn 11, the second coil turn 12, the first metal plate 21, and the second metal plate 22 are sleeved on the core column 411.
[0052] Refer to Figure 4 In one embodiment, the coil module 1 further includes a third coil turn 13, and the third coil turn 13 does not adhere to any metal plate. During the forming process of the coil module 1, the first coil turn 11, the second coil turn 12, and the third coil turn 13 are heated simultaneously.
[0053] With reference to Figure 4 、 5 In one embodiment, the magnetic device M further includes a third iron core component 43. Among them, the third coil turn 13 is disposed between the third iron core component 43 and the second iron core component 42.
[0054] Refer to Figure 2 In one embodiment, the first metal plate 21 includes a U-shaped body 213, a first connecting portion 214, a second connecting portion 215, and a third connecting portion 216. The first connecting portion 214 and the second connecting portion 215 are located at both ends 213 of the U-shaped body, and the third connecting portion 216 is located in the middle section of the U-shaped body 213.
[0055] Refer to Figure 5 In one embodiment, the first iron core component 41 and the second iron core component 42 together form an opening 401, and the third connecting portion 216 protrudes outside the opening 401.
[0056] Figure 6 Shows the manufacturing method of the embodiments of the present invention. Refer to Figure 6, the manufacturing process of the magnetic device according to the embodiment of the present utility model is as follows. First, an adhesive layer is coated on the surface of the metal sheet (S1). Then, the metal sheet is placed on a fixture (S2). In one embodiment, a plurality of metal sheets are placed on the fixture. Next, the coil module is wound and formed on the fixture (S3). In one embodiment, at least one coil cake is formed adjacent to the metal sheet. Then, the coil module and the metal sheet are heated to bond the coil module and the metal sheet into a single component (S4). Finally, the coil module, the metal sheet and the iron core component are assembled (S5).
[0057] Figure 7 shows the winding method according to the embodiment of the present utility model. Refer to Figure 7 , in one embodiment, the coil module further includes a fourth coil cake 14, and the fourth coil cake 14 is disposed between the third coil cake 13 and the second coil cake 12. In this embodiment, each coil cake (such as the first coil cake 11, the second coil cake 12, the third coil cake 13 and the fourth coil cake 14) is wound in a manner from the outside to the inside, and the ending wire is on the inner circle. By this means, the problem that the connection wires between each coil cake are too long and need to be assembled manually can be solved, and the purpose of automated production can be achieved accordingly.
[0058] In the embodiment of the present utility model, the coil cake is formed adjacent to the metal sheet. And, the coil module and the metal sheet are heated together. The coil module and the metal sheet are thus bonded into a single component. Thereby, the coil module and the metal sheet according to the embodiment of the present utility model can be conveniently assembled together into the iron core component. During the assembly process, the situation that the lead wire falls off from the coil cake due to the pulling of the connection wire can be avoided, the working hours of the assembly process can be reduced, the cost of the magnetic device can be saved, and the product stability is also relatively high.
[0059] Although the present utility model has been disclosed above with specific preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can still make some modifications and refinements without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the scope defined by the appended claims.
Claims
1. A magnetic device, characterized in that, Comprising: A coil module including a first line pancake; A first metal plate member including a first surface and a second surface, the first surface being opposite to the second surface; A first adhesive layer coated on the first surface, wherein the first line pancake is adhered to the first surface by the first adhesive layer.
2. The magnetic device according to claim 1, characterized in that, Further comprising a second line pancake disposed on the second surface.
3. The magnetic device according to claim 2, wherein, Also comprising: A second adhesive layer coated on the second surface, wherein the second line pancake is adhered to the second surface by the second adhesive layer; A second metal plate member including a third surface facing the first surface; and A third adhesive layer coated on the third surface, wherein the first line pancake is adhered to the third surface by the third adhesive layer, and the first line pancake is clamped between the first metal plate member and the second metal plate member.
4. The magnetic device according to claim 3, characterized in that, During the forming process of the coil module, the first line pancake is wound and formed between the first metal plate member and the second metal plate member.
5. The magnetic device according to claim 4, wherein During the forming process of the coil module, the first line pancake, the second line pancake, the first metal plate member, and the second metal plate member are jointly heated to bond the first line pancake, the second line pancake, the first metal plate member, and the second metal plate member into a single component.
6. The magnetic device according to claim 5, characterized in that, Also comprising a first iron core component and a second iron core component, wherein the first line pancake, the second line pancake, the first metal plate member, and the second metal plate member are disposed between the first iron core component and the second iron core component.
7. The magnetic device according to claim 6, characterized in that, The first iron core component includes a core column, and the first line pancake, the second line pancake, the first metal plate member, and the second metal plate member are sleeved on the core column.
8. The magnetic device according to claim 7, wherein The coil module further includes a third line pancake that is not adhered to any metal plate member. During the forming process of the coil module, the first line pancake, the second line pancake, and the third line pancake are heated simultaneously.
9. The magnetic device according to claim 8, wherein Also comprising a third iron core component, wherein the third line pancake is disposed between the third iron core component and the second iron core component.
10. The magnetic device according to claim 7, characterized in that, The first metal plate member includes a U-shaped body, a first connecting portion, a second connecting portion, and a third connecting portion. The first connecting portion and the second connecting portion are located at both ends of the U-shaped body, and the third connecting portion is located in the middle section of the U-shaped body.
11. The magnetic device according to claim 10, characterized in that, The first iron core component and the second iron core component jointly form an opening, and the third connecting portion protrudes outside the opening.