A filter assembly, motor controller, and vehicle

Abstract

The embodiment of the present application provides a filtering assembly, a motor controller and a vehicle, the filtering assembly comprising: a magnetic ring, a filtering circuit board and two conductive parts; at least part of the filtering circuit board extends to between the two conductive parts to insulate the two conductive parts; and the magnetic ring is sleeved on the two conductive parts. The filtering assembly of the present application adopts the form of combination of magnetic ring filtering and active filtering, and has stronger filtering capacity. Under the same filtering requirement, the volume of the magnetic ring can be appropriately reduced. In addition, the filtering circuit board can be reused as an insulation structure between the two conductive parts, so that the spacing of the two conductive parts can be reduced, thereby the volume of the magnetic ring can be further reduced, and the miniaturization design of the filtering assembly is facilitated.

Description

Technical Field

[0001] This application belongs to the field of vehicle technology, specifically relating to a filter component, a motor controller, and a vehicle. Background Technology

[0002] The motor controller is a core component of new energy vehicles, and its electronic system is complex and susceptible to severe electromagnetic interference. Motor controllers typically incorporate filtering components to effectively suppress electromagnetic interference and ensure reliable operation.

[0003] In related technologies, filter components typically include a positive copper busbar, a negative copper busbar, and a magnetic ring. By threading the positive and negative copper busbars through the magnetic ring, electromagnetic interference can be effectively suppressed. However, as filtering requirements increase, the size of the magnetic ring needs to be increased accordingly; moreover, sufficient safety distance needs to be maintained between the positive and negative copper busbars to ensure insulation, which leads to a larger magnetic ring size, affecting the miniaturization design of the filter component. Utility Model Content

[0004] This application aims to provide a filter component, a motor controller, and a vehicle to solve the problem that the magnetic ring of the filter component is too large in the related art, which affects the miniaturization design of the filter component.

[0005] To solve the above-mentioned technical problems, this application is implemented as follows:

[0006] In a first aspect, this application discloses a filtering component, including: a magnetic ring, a filtering circuit board, and two conductive components;

[0007] At least a portion of the filter circuit board extends between the two conductive elements to insulate the two conductive elements;

[0008] The magnetic ring is fitted onto the two conductive elements.

[0009] Optionally, the conductive element is sheet-shaped, the thickness direction of the conductive element is a first direction, and two conductive elements are spaced apart along the first direction.

[0010] Optionally, the overlapping portion of the two conductive elements in the first direction has a first projection, and the filter circuit board has a second projection in the first direction, the second projection at least covering the first projection.

[0011] Optionally, the filter circuit board has a gap with each of the conductive elements in the first direction.

[0012] Optionally, the conductive element extends in a second direction, and two magnetic rings are provided, with the two magnetic rings spaced apart in the second direction.

[0013] Optionally, at least one of the conductive elements is electrically connected to the filter circuit board.

[0014] Optionally, the conductive element includes a first conductive portion located between the two magnetic rings, the first conductive portion being electrically connected to the filter circuit board.

[0015] Optionally, the filtering component further includes: a first capacitor component, which is electrically connected to the two conductive elements respectively;

[0016] And / or, a second capacitor assembly, which is electrically connected to the filter circuit board and at least one of the conductive elements.

[0017] Optionally, the first capacitor assembly includes: a first capacitor and a second capacitor, one end of the first capacitor being electrically connected to one of the two conductive elements, and the other end of the first capacitor being grounded; one end of the second capacitor being electrically connected to the other of the two conductive elements, and the other end of the second capacitor being grounded.

[0018] Optionally, the second capacitor assembly includes a third capacitor, one end of which is electrically connected to one of the two conductive elements, and the other end of which is electrically connected to the filter circuit board.

[0019] Optionally, the second capacitor assembly includes a third capacitor and a fourth capacitor, one end of the third capacitor being electrically connected to one of the two conductive elements, and the other end of the third capacitor being electrically connected to the filter circuit board; one end of the fourth capacitor being electrically connected to the other of the two conductive elements, and the other end of the fourth capacitor being electrically connected to the filter circuit board.

[0020] Optionally, the first capacitor assembly and / or the second capacitor assembly are disposed on the filter circuit board.

[0021] Optionally, the filtering component further includes: a base, wherein the filtering circuit board is disposed on the base;

[0022] The base is provided with a receiving groove at a position corresponding to the filter circuit board;

[0023] At least a portion of the first capacitor assembly and / or the second capacitor assembly is embedded in the receiving groove.

[0024] Optionally, the filtering assembly further includes a base, on which the magnetic ring, the filtering circuit board, and the conductive element are disposed.

[0025] Optionally, the base is provided with a first mounting surface and a second mounting surface, the first mounting surface and the second mounting surface being spaced apart along the first direction;

[0026] One of the two conductive elements is disposed on the first mounting surface, and the other is disposed on the second mounting surface.

[0027] Optionally, the base is further provided with a third mounting surface, and along the first direction, the third mounting surface is located between the first mounting surface and the second mounting surface;

[0028] The filter circuit board is disposed on the third mounting surface.

[0029] Optionally, at least a portion of the third mounting surface is recessed toward the center of the base to form a mounting groove, and at least a portion of the magnetic ring is embedded in the mounting groove.

[0030] Secondly, this application also discloses a motor controller, including the aforementioned filtering component.

[0031] Thirdly, this application also discloses a vehicle including the aforementioned filter assembly or motor controller.

[0032] In this embodiment, a magnetic ring and a filter circuit board are provided, with two conductive components passing through the magnetic ring. That is, the filter assembly of this application adopts a combination of magnetic ring filtering and active filtering. Compared to a single magnetic ring filter, the combined filtering form has stronger filtering capability. Under the same filtering requirements, the volume of the magnetic ring can be appropriately reduced, which is beneficial for the miniaturization design of the filter assembly. More importantly, since at least a portion of the filter circuit board extends between the two conductive components, the filter circuit board of this embodiment can be reused as an insulating structure between the two conductive components, reducing the distance between the two conductive components. This further reduces the volume of the magnetic ring, which is beneficial for the miniaturization design of the filter assembly.

[0033] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0034] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0035] Figure 1 This is a schematic diagram of the structure of a filtering component provided in an embodiment of this application;

[0036] Figure 2 This is a schematic diagram of the assembly structure of the conductive component and the magnetic ring provided in the embodiments of this application;

[0037] Figure 3 This is a schematic diagram of the structure of the base provided in the embodiments of this application;

[0038] Figure 4This is a schematic diagram of the circuit topology of a filter component provided in an embodiment of this application;

[0039] Figure 5 This is a schematic diagram of the circuit topology of another filtering component provided in an embodiment of this application.

[0040] Reference numerals: 1. Magnetic ring; 11. First magnetic ring; 12. Second magnetic ring; 2. Filter circuit board; 3. Conductive component; 31. First conductive part; 32. First conductive component; 33. Second conductive component; 4. First capacitor assembly; 41. First capacitor; 42. Second capacitor; 5. Second capacitor assembly; 51. Third capacitor; 52. Fourth capacitor; 6. Base; 61. First mounting surface; 62. Second mounting surface; 63. Third mounting surface; 64. Receiving groove; 65. Mounting groove; 7. First connecting copper busbar; 8. Second connecting copper busbar; 9. Third connecting copper busbar; 10. Grounding copper busbar; X, First direction; Y, Second direction. Detailed Implementation

[0041] The embodiments of this utility model will now be described in detail. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.

[0042] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0043] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0044] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] This application provides a filtering component, which will be described in detail below with reference to the accompanying drawings.

[0046] Reference Figure 1 The diagram shows a schematic representation of a filtering component provided in an embodiment of this application. Figure 2 This diagram illustrates the assembly structure of the conductive component and the magnetic ring provided in an embodiment of this application. (Refer to...) Figure 3 The diagram shows a schematic representation of the base provided in an embodiment of this application. Figures 4 to 5 The diagram shows a circuit topology schematic of two filtering components provided in the embodiments of this application.

[0047] like Figures 1 to 2 As shown, this application provides a filtering assembly, including: a magnetic ring 1, a filtering circuit board 2, and two conductive elements 3; at least a portion of the filtering circuit board 2 extends between the two conductive elements 3 to insulate them; the magnetic ring 1 is sleeved on the two conductive elements 3. It is understood that the two conductive elements 3 are spaced apart so that at least a portion of the filtering circuit board 2 is mounted between the two conductive elements 3.

[0048] In this embodiment, a magnetic ring 1 and a filter circuit board 2 are provided, with two conductive elements 3 passing through the magnetic ring 1. That is, the filter assembly of this application adopts a combination of magnetic ring filtering and active filtering. Compared to a single magnetic ring filter, the combined filtering form has stronger filtering capability. Under the same filtering requirements, the volume of the magnetic ring 1 can be appropriately reduced, which is beneficial for the miniaturization design of the filter assembly. More importantly, since at least a portion of the filter circuit board 2 extends between the two conductive elements 3, the filter circuit board 2 in this embodiment can be reused as an insulating structure between the two conductive elements 3, reducing the distance between the two conductive elements 3, thereby further reducing the volume of the magnetic ring 1, which is beneficial for the miniaturization design of the filter assembly.

[0049] It should be noted that the magnetic ring 1 in this application embodiment refers to a ring-shaped magnetic component, including but not limited to nanocrystalline magnetic rings, ferrite magnetic rings, etc. Nanocrystalline magnetic rings have high permeability, maintain stable performance over a wide frequency range, and have low high-frequency loss, effectively reducing signal distortion. Furthermore, even when the motor controller is running and generating significant heat, the magnetic properties of the nanocrystalline magnetic ring change little, thereby improving the filtering reliability and stability of the filter assembly. Ferrite magnetic rings are low in cost, have good chemical stability, and can withstand the acidic and alkaline environments downstream of the filter assembly, preventing corrosion of the magnetic ring 1 and ensuring normal operation of the equipment. Simultaneously, ferrite magnetic rings can effectively absorb and suppress high-frequency electromagnetic interference, meeting the electromagnetic interference filtering requirements of the filter assembly. This application embodiment does not limit the specific type of magnetic ring 1; those skilled in the art can select according to actual needs. In addition, the filter circuit board 2 refers to a circuit board equipped with a filter circuit.

[0050] In some alternative embodiments of this application, such as Figure 2 As shown, the conductive element 3 is sheet-shaped, and the thickness direction of the conductive element 3 is the first direction X. Two conductive elements 3 are spaced apart along the first direction X. That is, the two sheet-shaped conductive elements 3 are stacked.

[0051] Compared to a parallel arrangement of two sheet-like conductive elements 3 (i.e., the two conductive elements 3 are spaced apart along the width direction of the conductive elements 3), a stacked arrangement can reduce the overall size of the two sheet-like conductive elements 3, allowing for a further reduction in the size of the magnetic ring 1, which is beneficial for further miniaturization of the filter assembly. It should be noted that the sheet-like conductive elements 3 can be conductive copper busbars.

[0052] In some optional embodiments of this application, the overlapping portion of the two conductive elements 3 in the first direction X has a first projection, and the filter circuit board 2 has a second projection in the first direction X, the second projection at least covering the first projection. This allows the two conductive elements 3 to be completely isolated, thereby further improving the insulation reliability of the two conductive elements 3.

[0053] In some optional embodiments of this application, the filter circuit board 2 and each conductive element 3 have a gap in the first direction X. This not only ensures that the two conductive elements 3 meet safety requirements, but also effectively avoids interference between the components on the filter circuit board 2 and the conductive elements 3.

[0054] It should be noted that the embodiments of this application do not limit the size of the gap between the filter circuit board 2 and each conductive element 3 in the first direction X, and those skilled in the art can adjust it according to actual needs. It is understood that although there is a gap between the filter circuit board 2 and each conductive element 3 in the first direction X, the distance between two conductive elements 3 in the first direction X is reduced compared to the case where no insulation structure is provided.

[0055] In some optional embodiments of this application, the extending direction of the conductive element 3 is the second direction Y, and two magnetic rings 1 are provided, spaced apart in the second direction Y. It is understood that current is typically transmitted along the extending direction of the conductive element 3 (i.e., the second direction Y). Specifically, when the conductive element 3 is a conductive copper busbar, the extending direction of the conductive element 3 is also the length direction of the conductive copper busbar.

[0056] Specifically, the two magnetic rings 1 are the first magnetic ring 11 (i.e., the magnetic ring 1 on the right in the figure) and the second magnetic ring 12 (i.e., the magnetic ring 1 on the left in the figure). In this way, during the current transmission process, two-stage filtering can be achieved through the first magnetic ring 11 and the second magnetic ring 12, thereby improving the filtering effect of the filtering component and effectively suppressing electromagnetic interference.

[0057] In some optional embodiments of this application, at least one conductive element 3 is electrically connected to the filter circuit board 2. Thus, the filter circuit board 2, equipped with a filtering circuit, can suppress electromagnetic interference through signal selection, reflection, and absorption of interference signals. It should be noted that the embodiments of this application do not limit the type of filtering circuit, and those skilled in the art can adjust it as needed. Furthermore, the filtering components in the embodiments of this application can be assembled using existing pre-made filter circuit boards 2, and the specific structure and working principle of the filter circuit board 2 are not described in detail in the embodiments of this application.

[0058] In some alternative embodiments of this application, such as Figure 1 As shown, the conductive component 3 includes a first conductive part 31 located between two magnetic rings 1, which is electrically connected to the filter circuit board 2. Thus, during current transmission, primary filtering occurs sequentially through the first magnetic ring 11 to reduce noise levels; secondary filtering occurs through the filter circuit board 2; and tertiary filtering occurs through the second magnetic ring 12 to achieve high-frequency suppression. This further improves the filtering effect of the filter assembly and effectively suppresses electromagnetic interference.

[0059] In some alternative embodiments of this application, such as Figure 1 , Figure 4 as well as Figure 5 The filtering component further includes: a first capacitor component 4, which is electrically connected to two conductive elements 3 respectively; and / or, the filtering component further includes: a second capacitor component 5, which is electrically connected to the filtering circuit board 2 and at least one conductive element 3 respectively.

[0060] In this embodiment, the combination of the first capacitor assembly 4 and the first magnetic ring 11 enhances the first-stage filtering effect. Similarly, the combination of the second capacitor assembly 5 and the filter circuit board 2 enhances the second-stage filtering effect. In summary, by incorporating the first capacitor assembly 4 and / or the second capacitor assembly 5, the filtering capability of the filter assembly can be improved, thereby enhancing its filtering effect.

[0061] It should be noted that the embodiments in this application only show the case where the filter component is equipped with both the first capacitor component 4 and the second capacitor component 5. In practical applications, those skilled in the art can also equip only the first capacitor component 4 or the second capacitor component 5 according to actual needs, and this is not limited here. It is understood that when the noise level is low, the first stage of filtering can also be eliminated (i.e., the first magnetic ring 11 and the first capacitor component 4 can be eliminated) to reduce the cost of the filter component.

[0062] In some alternative embodiments of this application, such as Figure 4 and Figure 5 As shown, the first capacitor assembly 4 includes: a first capacitor 41 and a second capacitor 42. One end of the first capacitor 41 is electrically connected to one of the two conductive elements 3, and the other end of the first capacitor 41 is grounded. One end of the second capacitor 42 is electrically connected to the other of the two conductive elements 3, and the other end of the second capacitor 42 is grounded.

[0063] Specifically, one end of the first capacitor 41 is electrically connected to the first conductive element 32 via the first connecting copper busbar 7, and one end of the second capacitor 42 is electrically connected to the second conductive element 33 via the second connecting copper busbar 8. This achieves electrical connections between the first capacitor 41 and the first conductive element 32, and between the second capacitor 42 and the second conductive element 33. The first capacitor 41 and the second capacitor 42 can effectively suppress common-mode interference, thereby improving the filtering effect of the filter assembly.

[0064] In some alternative embodiments of this application, such as Figure 4 As shown, the second capacitor assembly 5 includes a third capacitor 51, one end of which is electrically connected to one of the two conductive elements 3, and the other end of which is electrically connected to the filter circuit board 2.

[0065] Specifically, one end of the third capacitor 51 is electrically connected to the first conductive part 31 of the first conductive element 32 or the second conductive element 33 via a third connecting copper busbar 9. This allows for electrical connection between the third capacitor 51 and the first conductive element 32, or between the third capacitor 51 and the second conductive element 33. The third capacitor 51 can detect and compensate for noise on the first conductive element 32 or the second conductive element 33, thereby improving the filtering effect of the filter assembly.

[0066] In some alternative embodiments of this application, such as Figure 5 As shown, the second capacitor assembly 5 includes a third capacitor 51 and a fourth capacitor 52. One end of the third capacitor 51 is electrically connected to one of the two conductive elements 3, and the other end of the third capacitor 51 is electrically connected to the filter circuit board 2. One end of the fourth capacitor 52 is electrically connected to the other of the two conductive elements 3, and the other end of the fourth capacitor 52 is electrically connected to the filter circuit board 2.

[0067] Specifically, one end of the third capacitor 51 is electrically connected to the first conductive part 31 of the second conductive element 33 via a third connecting copper busbar 9, and one end of the fourth capacitor 52 is electrically connected to the first conductive part 31 of the first conductive element 32 via a fourth connecting copper busbar. This allows for electrical connections between the third capacitor 51 and the second conductive element 33, and between the fourth capacitor 52 and the first conductive element 32. The third capacitor 51 can detect and compensate for noise on the second conductive element 33, and the fourth capacitor 52 can detect and compensate for noise on the first conductive element 32, thereby improving the filtering effect of the filter assembly. Furthermore, simultaneously using the third capacitor 51 and the fourth capacitor 52 can make the noise from the second conductive element 33 and the first conductive element 32 more balanced.

[0068] In practical applications, the motor controller includes a housing, and the filter assembly is housed within the housing. The filter assembly also includes a grounding copper busbar 10, one end of which is electrically connected to the filter circuit board 2, and the other end is electrically connected to the housing, thereby achieving grounding. The first capacitor 41 and the second capacitor 42 can share the same grounding terminal with the filter circuit board 2; that is, the other ends of both the first capacitor 41 and the second capacitor 42 are electrically connected to the grounding copper busbar 10. While meeting the grounding requirements of the first capacitor 41, the second capacitor 42, and the filter circuit board 2, this allows for a more compact structure of the filter assembly, facilitating miniaturization. Furthermore, this application does not limit the specific types of the first capacitor 41, the second capacitor 42, the third capacitor 51, and the fourth capacitor 52; those skilled in the art can select them according to actual needs.

[0069] In some alternative embodiments of this application, such as Figure 1 As shown, the first capacitor assembly 4 and / or the second capacitor assembly 5 are disposed on the filter circuit board 2. That is, the first capacitor assembly 4 and / or the second capacitor assembly 5 are integrated with the filter circuit board 2, which not only simplifies the assembly process and facilitates automated assembly, but also makes the structure of the filter assembly more compact, which is beneficial to the miniaturization design of the filter assembly.

[0070] In some alternative embodiments of this application, such as Figure 3As shown, the filter assembly further includes: a base 6, on which the filter circuit board 2 is disposed; the base 6 has a receiving groove 64 at a position corresponding to the filter circuit board 2; at least a portion of the first capacitor assembly 4 and / or the second capacitor assembly 5 is embedded in the receiving groove 64.

[0071] Generally, the components of the first capacitor assembly 4 and / or the second capacitor assembly 5 are protruding from the surface of the filter circuit board 2. Based on this, by providing a receiving groove 64 in the base 6 and embedding at least a portion of the first capacitor assembly 4 and / or the second capacitor assembly 5 in the receiving groove 64, not only can the capacitor assembly be protected, but the structure of the filter assembly can also be made more compact, which is beneficial to the miniaturization design of the filter assembly.

[0072] In some alternative embodiments of this application, such as Figure 1 and Figure 3 As shown, the filter assembly also includes a base 6, a magnetic ring 1, a filter circuit board 2, and a conductive component 3, all mounted on the base 6. This allows for the fixation of the magnetic ring 1, the filter circuit board 2, and the conductive component 3. The base 6 can be a plastic base, and the plastic base 6, magnetic ring 1, filter circuit board 2, and conductive component 3 can be integrally molded using injection molding, thereby improving the overall structural strength of the filter assembly and reducing its assembly difficulty.

[0073] In some optional embodiments of this application, the base 6 is provided with a first mounting surface 61 and a second mounting surface 62, which are spaced apart along a first direction X; one of the two conductive elements 3 is disposed on the first mounting surface 61 and the other on the second mounting surface 62. It can be understood that the first mounting surface 61 and the second mounting surface 62 are two stepped surfaces formed on the base 6.

[0074] Specifically, the two conductive elements 3 are a first conductive element 32 and a second conductive element 33. By mounting the first conductive element 32 on the first mounting surface 61 and the second conductive element 33 on the second mounting surface 62, the first conductive element 32 and the second conductive element 33 can be spaced apart in the first direction X, effectively avoiding the problem of short circuit between the first conductive element 32 and the second conductive element 33.

[0075] In some optional embodiments of this application, the base 6 is further provided with a third mounting surface 63, and along the first direction X, the third mounting surface 63 is located between the first mounting surface 61 and the second mounting surface 62; the filter circuit board 2 is disposed on the third mounting surface 63. It is understood that the third mounting surface 63 is a stepped surface formed on the base 6 and located between the first mounting surface 61 and the second mounting surface 62. Thus, by mounting the filter circuit board 2 on the third mounting surface 63, the filter circuit board 2 can be positioned between two conductive elements 3, thereby connecting the two conductive elements 3. Furthermore, it allows the filter circuit board 2 to maintain a distance from the conductive elements 3 located above and below it, effectively avoiding interference between the components on the filter circuit board 2 and the conductive elements 3.

[0076] In some alternative embodiments of this application, at least a portion of the third mounting surface 63 is recessed toward the center of the base 6 to form a mounting groove 65, and at least a portion of the magnetic ring 1 is embedded in the mounting groove 65.

[0077] Specifically, two mounting slots 65 are provided, spaced apart along the second direction Y. A magnetic ring 1 is embedded in one mounting slot 65, which can reliably fix the magnetic ring 1. It should be noted that the shape of the mounting slot 65 is not limited in this embodiment, and those skilled in the art can adjust it according to actual needs. In one embodiment, the magnetic ring 1 is annular, and correspondingly, the mounting slot 65 can be an arc-shaped slot, so that the magnetic ring 1 can better fit with the mounting slot 65.

[0078] In summary, the filtering component provided in this application has at least the following advantages:

[0079] In this embodiment, a magnetic ring and a filter circuit board are provided, with two conductive components passing through the magnetic ring. That is, the filter assembly of this application adopts a combination of magnetic ring filtering and active filtering. Compared to a single magnetic ring filter, the combined filtering form has stronger filtering capability. Under the same filtering requirements, the volume of the magnetic ring can be appropriately reduced, which is beneficial for the miniaturization design of the filter assembly. More importantly, since at least a portion of the filter circuit board extends between the two conductive components, the filter circuit board of this embodiment can be reused as an insulating structure between the two conductive components, reducing the distance between the two conductive components. This further reduces the volume of the magnetic ring, which is beneficial for the miniaturization design of the filter assembly.

[0080] This application also provides a motor controller including the aforementioned filtering component. Thus, because the magnetic ring 1 of the filtering component is relatively small, the filtering component can be miniaturized, reducing its space occupation on the motor controller and improving the layout flexibility of the motor controller.

[0081] It should be noted that in this embodiment, the structure of the filtering component is the same as that of the filtering component described in any of the above embodiments, and its beneficial effects are similar, so it will not be described in detail here.

[0082] This application also provides a vehicle that includes the aforementioned filter assembly or motor controller.

[0083] It should be noted that in the embodiments of this application, the structure of the filter component or motor controller is the same as that of the filter component or motor controller described in any of the above embodiments, and its beneficial effects are also similar, so it will not be described in detail here.

[0084] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0085] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A filtering component, characterized in that, include: Magnetic ring, filter circuit board, and two conductive components; At least a portion of the filter circuit board extends between the two conductive elements to insulate the two conductive elements; The magnetic ring is fitted onto the two conductive elements.

2. The filtering component according to claim 1, characterized in that, The conductive element is sheet-shaped, and the thickness direction of the conductive element is a first direction. Two conductive elements are spaced apart along the first direction.

3. The filtering component according to claim 2, characterized in that, The overlapping portion of the two conductive elements in the first direction has a first projection, and the filter circuit board has a second projection in the first direction, the second projection at least covering the first projection.

4. The filtering component according to claim 2, characterized in that, The filter circuit board has a gap with each of the conductive elements in the first direction.

5. The filtering component according to any one of claims 1-4, characterized in that, The conductive element extends in the second direction, and two magnetic rings are provided, which are spaced apart in the second direction.

6. The filtering component according to claim 5, characterized in that, At least one of the conductive elements is electrically connected to the filter circuit board.

7. The filtering component according to claim 6, characterized in that, The conductive component includes a first conductive portion located between the two magnetic rings, and the first conductive portion is electrically connected to the filter circuit board.

8. The filtering component according to any one of claims 1-4, characterized in that, The filtering component further includes: a first capacitor component, which is electrically connected to the two conductive components respectively; And / or, the filtering component further includes: a second capacitor component, the second capacitor component being electrically connected to the filtering circuit board and at least one of the conductive elements respectively.

9. The filtering component according to claim 8, characterized in that, The first capacitor assembly includes: a first capacitor and a second capacitor, one end of the first capacitor being electrically connected to one of the two conductive elements, and the other end of the first capacitor being grounded; one end of the second capacitor being electrically connected to the other of the two conductive elements, and the other end of the second capacitor being grounded.

10. The filtering component according to claim 8, characterized in that, The second capacitor assembly includes a third capacitor, one end of which is electrically connected to one of the two conductive elements, and the other end of which is electrically connected to the filter circuit board.

11. The filtering component according to claim 8, characterized in that, The second capacitor assembly includes a third capacitor and a fourth capacitor. One end of the third capacitor is electrically connected to one of the two conductive elements, and the other end of the third capacitor is electrically connected to the filter circuit board. One end of the fourth capacitor is electrically connected to the other of the two conductive elements, and the other end of the fourth capacitor is electrically connected to the filter circuit board.

12. The filtering component according to claim 8, characterized in that, The first capacitor assembly and / or the second capacitor assembly are disposed on the filter circuit board.

13. The filtering component according to claim 12, characterized in that, The filtering component further includes: a base, wherein the filtering circuit board is disposed on the base; The base is provided with a receiving groove at a position corresponding to the filter circuit board; At least a portion of the first capacitor assembly and / or the second capacitor assembly is embedded in the receiving groove.

14. The filtering component according to any one of claims 2-4, characterized in that, The filtering component further includes: a base, wherein the magnetic ring, the filtering circuit board, and the conductive element are disposed on the base.

15. The filtering component according to claim 14, characterized in that, The base is provided with a first mounting surface and a second mounting surface, and the first mounting surface and the second mounting surface are spaced apart along the first direction; One of the two conductive elements is disposed on the first mounting surface, and the other is disposed on the second mounting surface.

16. The filtering component according to claim 15, characterized in that, The base is further provided with a third mounting surface, and along the first direction, the third mounting surface is located between the first mounting surface and the second mounting surface; The filter circuit board is disposed on the third mounting surface.

17. The filtering component according to claim 16, characterized in that, At least a portion of the third mounting surface is recessed toward the center of the base to form a mounting groove, and at least a portion of the magnetic ring is embedded in the mounting groove.

18. A motor controller, characterized in that, Includes the filtering component as described in any one of claims 1-17.

19. A vehicle, characterized in that, It includes the filtering component as described in any one of claims 1-17, or the motor controller as described in claim 18.

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