CN220984272U - Motor controller magnetic ring assembly and power converter - Google Patents
Motor controller magnetic ring assembly and power converter Download PDFInfo
- Publication number
- CN220984272U CN220984272U CN202322847961.3U CN202322847961U CN220984272U CN 220984272 U CN220984272 U CN 220984272U CN 202322847961 U CN202322847961 U CN 202322847961U CN 220984272 U CN220984272 U CN 220984272U
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- magnetic
- magnetic core
- motor controller
- ring assembly
- hole
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- 239000000463 material Substances 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 239000008358 core component Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000000696 magnetic material Substances 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 25
- 238000000465 moulding Methods 0.000 description 6
- 239000000306 component Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 description 3
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 description 3
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a motor controller magnetic ring assembly and a power converter, wherein the motor controller magnetic ring assembly comprises: at least one set of magnetic core components, wherein each set of magnetic core components comprises a first magnetic core and at least one second magnetic core, and the materials of the first magnetic core and the second magnetic core are different; the second magnetic cores are embedded on the first magnetic cores, and each second magnetic core is provided with a first through hole with two ends penetrating through the outside; the copper bar penetrates through the first through hole, and two opposite ends of the copper bar are exposed. The magnetic cores made of different materials are combined together in the magnetic ring assembly of the motor controller, so that the EMC performance of the magnetic ring assembly is improved, and the installation space of the magnetic ring assembly is reduced.
Description
Technical Field
The utility model relates to the technical field of electromagnetic compatibility (EMC), in particular to a motor controller magnetic ring assembly and a power converter.
Background
The magnetic ring component adopted in the existing power converter is made of a single material, usually iron-nickel material, and then insulating paper is used for insulating treatment. If the magnetic ring has unsatisfactory electromagnetic compatibility (EMC) performance, a magnetic ring assembly of another material needs to be added in series, which results in a large increase in space of the magnetic ring assembly. Therefore, the magnetic ring assembly for the power converter in the prior art has the following disadvantages:
1. The magnetic ring component in the power converter can only be made of one material, which is not beneficial to improving EMC performance.
2. When the EMC performance of the magnetic ring is not ideal, a magnetic ring assembly made of another material needs to be additionally added in series, which results in a large increase in the space of the magnetic ring assembly.
3. Insulating paper is adopted for insulation, so that the assembly is not facilitated, and the risk of vibration falling exists.
Disclosure of utility model
In order to solve at least one problem in the prior art, the main object of the utility model is to provide a magnetic ring assembly of a motor controller and a power converter, wherein magnetic cores made of different materials are combined together in the magnetic ring assembly of the motor controller, so that the EMC performance of the magnetic ring assembly is improved, and the installation space of the magnetic ring assembly is reduced.
To achieve the above object, according to a first aspect of the present utility model, there is provided a motor controller magnet ring assembly.
The motor controller magnetic ring assembly includes:
At least one set of magnetic core components, wherein each set of magnetic core components comprises a first magnetic core and at least one second magnetic core, and the materials of the first magnetic core and the second magnetic core are different; the second magnetic cores are embedded on the first magnetic cores, and each second magnetic core is provided with a first through hole with two ends penetrating through the outside;
The copper bar penetrates through the first through hole, and two opposite ends of the copper bar are exposed.
Further, at least one second through hole with two ends penetrating is formed in the first magnetic core, the second magnetic core is embedded in the second through hole, and the first through hole and the second through hole are coaxially arranged.
Further, the material of the first magnetic core comprises ferrite magnetic material and nanocrystalline magnetic material;
the second magnetic core is made of ferrite magnetic materials and nanocrystalline magnetic materials.
Further, the magnetic core assembly further comprises an insulation assembly, and the insulation assembly is arranged between the inner side wall of the first through hole and the copper bar.
Further, the insulation assembly comprises a first insulation piece and a second insulation piece, wherein the first insulation piece comprises a first hollow cylinder and a first limit flange connected to one end of the first hollow cylinder; the second insulating piece comprises a second hollow cylinder and a second limit flange connected to one end part of the second hollow cylinder; one end of the first hollow cylinder opposite to the first limit flange and one end of the second hollow cylinder opposite to the second limit flange extend into the first through hole through two opposite ends of the first through hole respectively and at least partially overlap.
Further, the magnetic core assembly further includes a shock absorbing member disposed on an outer side surface of the first magnetic core.
Further, the number of the second through holes is set to be a multiple of 3.
Further, the first magnetic core is in a runway shape, and the second magnetic core is in a ring shape.
Further, still include upper and lower complex lid and supporting seat, the lid with surround between the supporting seat and form non-closed accommodation space, magnetic core subassembly is arranged in the accommodation space, the relative both ends of copper bar all expose accommodation space is outward.
In order to achieve the above object, according to a second aspect of the present utility model, there is provided a power converter.
The power converter comprises the motor controller magnetic ring assembly.
The utility model has the advantages that:
1. Use the magnetic core of two kinds of different materials in magnetic core subassembly, first magnetic core and second magnetic core can select different materials promptly, greatly improve EMC performance, also reduced the installation space simultaneously.
2. The design of the insulation assembly specifically adopts two insulation pieces to form front-back combined insulation, so that an insulation mode of copper bar dip molding can be canceled, on one hand, the cost of the copper bar can be reduced, and on the other hand, the production efficiency of the copper bar can be improved by canceling the dip molding.
3. By adopting the insulation design of the front and rear insulating pieces, the risk of conduction due to insulation failure caused by insufficient plastic dipping areas can be avoided.
4. The front and rear insulating pieces are adopted for insulation, so that the risk of insulation failure caused by aging and falling of the plastic-impregnated insulating layer of the copper bar can be avoided.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic structural diagram of a magnetic ring assembly of a motor controller according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a magnetic ring assembly of a motor controller according to an embodiment of the present utility model;
Fig. 3 is a schematic structural diagram III of a magnetic ring assembly of a motor controller according to an embodiment of the present utility model;
FIG. 4 is an exploded view of a motor controller magnetic ring assembly in accordance with an embodiment of the present utility model;
Fig. 5 is a schematic structural diagram of a magnetic core assembly according to an embodiment of the present utility model.
In the figure:
1. A support base; 2. a magnetic core assembly; 21. a first magnetic core; 22. a second magnetic core; 23. an insulating assembly; 231. a first insulating member; 232. a second insulating member; 24. a shock absorbing member; 3. a copper bar; 4. a cover body; 5. and a fixing piece.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
A power converter: means capable of converting one dc voltage value into another dc voltage value.
Electromagnetic compatibility (EMC): by which is meant the ability of a device or system to operate satisfactorily in its electromagnetic environment without intolerable electromagnetic interference to any device in its environment.
A magnetic ring: an annular magnetizer is a common anti-interference element in an electronic circuit and has good inhibition effect on high-frequency noise.
Plastic-dipping insulation: the dip molding is a plastic coating process, and can be divided into liquid dip coating and powder dip molding according to different raw materials used in the dip molding, and different insulation and pressure resistance requirements can be met according to different materials and thicknesses of the dip molding.
In a first aspect of the utility model, a motor controller magnet ring assembly is provided.
As shown in fig. 1-4, the motor controller magnetic ring assembly of the present utility model comprises at least one set of magnetic core assemblies 2, wherein: each group of magnetic core assemblies 2 comprises a first magnetic core 21 and at least one second magnetic core 22, and the materials of the first magnetic core 21 and the second magnetic core 22 are different; the second magnetic cores 22 are embedded on the first magnetic cores 21, and each second magnetic core 22 is provided with a first through hole with two ends penetrating through the outside; the motor controller magnetic ring assembly further comprises a copper bar 3, the copper bar 3 penetrates through the first through hole, two opposite ends of the copper bar 3 are exposed, and the copper bar 3 and the first through hole form limit fit.
In the utility model, the magnetic core component 2 is formed by combining magnetic cores made of different materials, compared with the traditional single-material magnetic ring, the utility model can fully exert the effect of improving the electromagnetic compatibility (EMC) of the whole machine by superposing different materials, improves the electromagnetic compatibility (EMC) performance of the power converter and effectively saves the space required by the arrangement of the magnetic rings made of different materials.
As shown in fig. 4 and 5, the first magnetic core 21 is provided with at least one second through hole with two ends penetrating, the second magnetic core 22 is embedded in the second through hole, and the first through hole and the second through hole are coaxially arranged.
In the embodiment of the present utility model, the material of the first magnetic core 21 may be manganese-zinc ferrite, nickel-zinc ferrite, or the like.
The material of the second magnetic core 22 may be manganese-zinc ferrite, nickel-zinc ferrite, or the like.
Of course, the material of the first core 21 and the second core 22 is not limited to manganese-zinc ferrite, nickel-zinc ferrite, and may be any of ferrite magnetic material and nanocrystalline magnetic material.
It should be noted that the number of the second through holes in the present utility model is set to be a multiple of 3, such as 3, 6, etc. Wherein, the number of the second magnetic cores 22 is set corresponding to the number of the second through holes.
In the embodiment of the present utility model, the first magnetic core 21 has a racetrack shape, for example, a racetrack-shaped magnetic core.
In the embodiment of the present utility model, the second magnetic core 22 has a ring shape, for example, may be a ring-shaped magnetic core.
As shown in fig. 4 and 5, the magnetic core assembly 2 further includes an insulation assembly 23, and the insulation assembly 23 is disposed between the inner sidewall of the first through hole of the second magnetic core 22 and the copper bar 3, so as to achieve a sufficient insulation effect on the magnetic core assembly 2.
According to the utility model, the insulating assembly is adopted for insulation, so that the material cost of the copper bar due to plastic dipping is reduced, the production efficiency of the copper bar is improved, and the risk of insulation failure of the copper bar due to aging and falling of the plastic dipping insulating layer can be avoided.
In an embodiment of the present utility model, the insulation assembly 23 includes a first insulation member 231 and a second insulation member 232, wherein: the first insulating member 231 includes a first hollow cylinder and a first limit flange connected to an end portion of one end of the first hollow cylinder; the second insulating member 232 includes a second hollow cylinder and a second limit flange connected to an end portion of one end of the second hollow cylinder, and one end of the first hollow cylinder opposite to the first limit flange and one end of the second hollow cylinder opposite to the second limit flange extend into the first through hole through opposite ends of the first through hole, respectively, and at least partially overlap.
As shown in fig. 4 and 5, the magnetic core assembly 2 further includes a shock absorbing member 24, and the shock absorbing member 24 is provided on the outer side surface of the first magnetic core 21.
In the embodiment of the present utility model, the shock absorbing member 24 is provided on a side of the first magnetic core 21 remote from the support base 1, and it is also understood that the shock absorbing member 24 is mounted on the top surface of the first magnetic core 21.
In an embodiment of the present utility model, the shock absorbing member 24 may be a shock pad.
As shown in fig. 1-3, the magnetic ring assembly of the motor controller in the utility model further comprises a cover body 4 and a supporting seat 1 which are matched up and down, a non-closed accommodating space is formed between the cover body 4 and the supporting seat 1 in a surrounding manner, the accommodating space can be understood to be communicated with the outside, the magnetic core assembly 2 is arranged in the accommodating space, and the opposite ends of the copper bars 3 are exposed out of the accommodating space.
In the embodiment of the present utility model, the cover 4 is disposed on a side surface of the first magnetic core 21 away from the supporting base 1, so that a portion of the magnetic core assembly 2 is exposed.
In the embodiment of the present utility model, the cover 4 may be connected and fixed to the support base 1 through the fixing member 5.
Wherein the fixing member 5 may be a bolt.
It should be noted that the magnetic core assemblies in the present utility model may be provided in one group, two groups, or more groups according to practical situations, and are not limited specifically.
Wherein, the utility model provides an implementation mode for arranging two groups of magnetic core components.
In a second aspect of the utility model, a power converter is provided.
Wherein the power converter comprises the motor controller magnetic ring assembly according to the first aspect of the utility model.
In the utility model, the magnetic ring component of the motor controller is formed by combining magnetic cores made of different materials, compared with the traditional single-material magnetic ring, the magnetic ring component can fully exert the effect of improving the electromagnetic compatibility (EMC) of the whole motor by superposing different materials, improves the electromagnetic compatibility (EMC) performance of the power converter and effectively saves the space required by the arrangement of the magnetic rings made of different materials. Moreover, the supporting and insulating measures are provided for the magnetic cores made of different materials, and the magnetic cores can be fully fixed and insulated, so that the space layout effect of the magnetic cores made of multiple materials is minimized.
The utility model provides a specific use and installation step of a motor controller magnetic ring assembly.
In a first step, the support base 1 is mounted to the power converter at the desired location using fasteners 5 (e.g., bolts).
In the second step, six toroidal cores are mounted to the corresponding positions of the two racetrack cores, and then six first insulating members 231 (as rear insulating members) and second insulating members 232 (as front insulating members) are mounted to the corresponding positions of the six toroidal cores, and the structure of the mounted rear core assembly 2 is shown in fig. 5.
And thirdly, sequentially penetrating the six-way conductive copper bars 3 into six through holes of the magnetic core assembly 2, and then placing the six through holes on the supporting seat 1.
Fourth, the shock pad is mounted on the top surface of the track-shaped core, and the cover 4 is mounted on the support base 1 using a fixing member 5 (e.g., a bolt), as shown in fig. 5.
It should be noted that the term "comprising" in the description of the utility model and in the claims, as well as any variants thereof, is intended to cover a non-exclusive inclusion, for example, comprising a series of elements not necessarily limited to those elements explicitly listed, but may include other elements not explicitly listed or inherent to elements.
In the present utility model, the terms "upper", "lower", "bottom", "top", "left", "right", "inner", "outer", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, references to "first," "second," etc. in this disclosure are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. A motor controller magnetic ring assembly, comprising:
At least one set of magnetic core components, wherein each set of magnetic core components comprises a first magnetic core and at least one second magnetic core, and the materials of the first magnetic core and the second magnetic core are different; the second magnetic cores are embedded on the first magnetic cores, and each second magnetic core is provided with a first through hole with two ends penetrating through the outside;
The copper bar penetrates through the first through hole, and two opposite ends of the copper bar are exposed.
2. The motor controller magnetic ring assembly as recited in claim 1, wherein the first magnetic core is provided with at least one second through hole with two ends penetrating therethrough, the second magnetic core is embedded in the second through hole, and the first through hole and the second through hole are coaxially arranged.
3. The motor controller magnetic ring assembly of claim 1, wherein the material of the first magnetic core comprises ferrite magnetic material, nanocrystalline magnetic material;
the second magnetic core is made of ferrite magnetic materials and nanocrystalline magnetic materials.
4. The motor controller magnetic ring assembly as recited in claim 1, wherein the magnetic core assembly further comprises an insulating assembly disposed between an inner sidewall of the first through hole and the copper bar.
5. The motor controller magnetic ring assembly as recited in claim 4, wherein the insulating assembly comprises a first insulating member and a second insulating member, the first insulating member comprising a first hollow cylinder and a first limit flange connected to an end of the first hollow cylinder; the second insulating piece comprises a second hollow cylinder and a second limit flange connected to one end part of the second hollow cylinder; one end of the first hollow cylinder opposite to the first limit flange and one end of the second hollow cylinder opposite to the second limit flange extend into the first through hole through two opposite ends of the first through hole respectively and at least partially overlap.
6. The motor controller magnetic ring assembly as recited in claim 1, wherein the magnetic core assembly further comprises a shock absorbing member disposed on an outer side of the first magnetic core.
7. The motor controller magnetic ring assembly as recited in claim 2, wherein the number of second through holes is set to a multiple of 3.
8. The motor controller magnetic ring assembly as recited in claim 1, wherein the first magnetic core has a racetrack configuration and the second magnetic core has a ring configuration.
9. The motor controller magnetic ring assembly as recited in claim 1, further comprising a cover and a support seat cooperating up and down, wherein a non-enclosed receiving space is formed between the cover and the support seat, the magnetic core assembly is disposed in the receiving space, and opposite ends of the copper bars are exposed out of the receiving space.
10. A power converter comprising the motor controller magnetic ring assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847961.3U CN220984272U (en) | 2023-10-23 | 2023-10-23 | Motor controller magnetic ring assembly and power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847961.3U CN220984272U (en) | 2023-10-23 | 2023-10-23 | Motor controller magnetic ring assembly and power converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984272U true CN220984272U (en) | 2024-05-17 |
Family
ID=91061973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322847961.3U Active CN220984272U (en) | 2023-10-23 | 2023-10-23 | Motor controller magnetic ring assembly and power converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984272U (en) |
-
2023
- 2023-10-23 CN CN202322847961.3U patent/CN220984272U/en active Active
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