CN215682072U - Motor device - Google Patents
Motor device Download PDFInfo
- Publication number
- CN215682072U CN215682072U CN202120890637.8U CN202120890637U CN215682072U CN 215682072 U CN215682072 U CN 215682072U CN 202120890637 U CN202120890637 U CN 202120890637U CN 215682072 U CN215682072 U CN 215682072U
- Authority
- CN
- China
- Prior art keywords
- magnetic sleeve
- section
- wall
- magnetic
- winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The embodiment of the application provides a motor device, including motor, electric wire, magnetism cover and fixed subassembly. One end of the wire is connected with the motor, and the other end of the wire is used for being connected with a power supply; the magnetic sleeve is provided with a central hole penetrating through the magnetic sleeve, and the electric wire extends into the wound magnetic sleeve from one orifice of the central hole and extends out from the other orifice of the central hole, so that the electric wire forms an extending section, a wound section and an extending section which are sequentially connected; one end of the part of the extending section exposed out of the magnetic sleeve, which is far away from the winding section, is used for being connected with a power supply, and one end of the part of the extending section exposed out of the magnetic sleeve, which is far away from the winding section, is used for being connected with a motor; the fixing component is respectively connected with the winding section and the magnetic sleeve, so that the winding section is tightly attached to the magnetic sleeve. The motor device can effectively reduce electromagnetic radiation generated by current in the wire, can effectively resist the interference of external signals, has good effect, avoids the situation that the winding section rubs with the magnetic sleeve to cause the winding section to break the skin and expose the internal lead, and has low cost.
Description
Technical Field
The application relates to the technical field of motors, in particular to a motor device.
Background
At present, the conventional method for reducing electromagnetic external radiation and resisting interference of the motor mainly comprises the steps of adding a PCB (printed circuit board), a capacitor, an inductor and the like in the motor, so that the cost is high, and the electromagnetic radiation inhibition and anti-interference effects are not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a motor device, which is used for solving the problems that the effect of the existing method for reducing electromagnetic external radiation and resisting interference of the motor is unsatisfactory and the cost is high.
An embodiment of the present application provides a motor apparatus, including:
a motor;
one end of the wire is connected with the motor, and the other end of the wire is used for being connected with a power supply;
the magnetic sleeve is provided with a central hole penetrating through the magnetic sleeve, the electric wire extends into the wound magnetic sleeve from one hole opening of the central hole and extends out from the other hole opening of the central hole, so that the electric wire forms an extending section, a wound section and an extending section which are sequentially connected; one end, far away from the winding section, of the part of the extending section exposed outside the magnetic sleeve is used for being connected with a power supply, and one end, far away from the winding section, of the part of the extending section exposed outside the magnetic sleeve is used for being connected with the motor; and
and the fixing component is connected with the winding section and the magnetic sleeve respectively, so that the winding section is tightly attached to the magnetic sleeve.
The magnetic sleeve is arranged on the wire in a penetrating mode, the wire is wound on the magnetic sleeve, specifically, the winding section of the wire is wound on the magnetic sleeve, so that electromagnetic radiation generated by current in the wire can be effectively reduced, interference of external signals can be effectively resisted, the effects of resisting electromagnetic radiation and external interference are better, the winding section of the wire is tightly attached to the magnetic sleeve through the fixing component, the winding section is stably matched with the magnetic sleeve, when the wire shakes, the phenomenon that relative motion between the winding section and the magnetic sleeve affects the effects of resisting electromagnetic radiation and external interference is avoided, the winding section is fixed, the phenomenon that the winding section breaks skins to expose an inner lead due to friction between the winding section and the magnetic sleeve is avoided, in addition, only the magnetic sleeve is used for resisting electromagnetic radiation and external interference, and the cost is lower.
In one embodiment, the winding section includes an outer winding portion located on the outer wall of the magnetic sleeve, the fixing assembly includes a first fixing member, the first fixing member is disposed on the outer wall of the magnetic sleeve and connected to the outer winding portion, and the first fixing member presses the outer winding portion against the outer wall of the magnetic sleeve, so that the outer winding portion is tightly attached to the outer wall of the magnetic sleeve.
In one embodiment, the winding section further includes an inner winding portion located in the central hole and located on the inner wall of the magnetic sleeve, the fixing assembly further includes a second fixing member, the second fixing member is disposed on the inner wall of the magnetic sleeve and connected to the inner winding portion, and the second fixing member presses the inner winding portion against the inner wall of the magnetic sleeve, so that the inner winding portion is tightly attached to the inner wall of the magnetic sleeve.
In one embodiment, the fixing assembly further comprises a plurality of third fixing pieces, the third fixing pieces are arranged on the inner wall or the end face of the magnetic sleeve, and at least one third fixing piece is connected with the extending section and presses the extending section against the inner wall of the magnetic sleeve to enable the extending section to be tightly attached to the inner wall of the magnetic sleeve; and the third fixing piece is connected with the extending section and tightly presses the extending section on the inner wall of the magnetic sleeve, so that the extending section is tightly attached to the inner wall of the magnetic sleeve.
In one embodiment, the first fixing member includes one of an adhesive member, a clamping member and an adsorption member; the second fixing piece comprises one of a clamping piece, an adhesive piece and an adsorption piece; the third fixing piece comprises one of a clamping piece, an adhesive piece and an adsorption piece.
In one embodiment, a wrapping pad is arranged at the end of the magnetic sleeve, the wrapping pad sequentially wraps part of the inner edge of the central hole, part of the end face of the magnetic sleeve and part of the outer wall of the end of the magnetic sleeve, and the winding section is abutted to one surface, away from the magnetic sleeve, of the wrapping pad.
In one embodiment, an adhesive layer is arranged on one surface of the wrapping pad, which faces away from the magnetic sleeve, and the adhesive layer is adhered to the winding section.
In one embodiment, the connection between the end surface of the magnetic sleeve and the inner wall of the magnetic sleeve is in arc transition, and the connection between the end surface of the magnetic sleeve and the outer wall of the magnetic sleeve is in arc transition.
In one embodiment, the number of the magnetic sleeves is multiple, the electric wire is respectively wound with the magnetic sleeves, the magnetic sleeves are sequentially distributed along the extension direction of the electric wire, and the number of turns of the electric wire wound with the magnetic sleeves is different.
In one embodiment, the electric wire comprises a power wire and a signal wire which are arranged in parallel, the width of the cross section of the power wire is larger than that of the cross section of the signal wire, the signal wire is wound by the magnetic sleeve for one or two times, and the power wire is wound by the magnetic sleeve for multiple times.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a motor device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another angle of the motor device provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
In one embodiment, an electric machine includes an electric machine, an electric wire, a magnetic sleeve, and a securing assembly. One end of the wire is connected with the motor, and the other end of the wire is used for being connected with a power supply; the magnetic sleeve is provided with a central hole penetrating through the magnetic sleeve, the electric wire extends into the wound magnetic sleeve from one orifice of the central hole and extends out from the other orifice of the central hole, so that the electric wire forms an extending section, a wound section and an extending section which are sequentially connected; one end, far away from the winding section, of the part of the extending section exposed outside the magnetic sleeve is used for being connected with a power supply, and one end, far away from the winding section, of the part of the extending section exposed outside the magnetic sleeve is used for being connected with the motor; the fixing component is connected with the winding section and the magnetic sleeve respectively, so that the winding section is tightly attached to the magnetic sleeve.
As shown in fig. 1 and 2, an electric machine apparatus 10 according to an embodiment includes an electric machine 100, an electric wire 200, a magnetic sleeve 300, and a fixing assembly 400. One end of the wire 200 is connected to the motor 100, and the other end is used for connecting to a power source. The magnetic sleeve 300 has a central hole 310 penetrating through the magnetic sleeve 300, and the electric wire 200 extends into the magnetic sleeve 300 from one hole of the central hole 310 and extends out from the other hole of the central hole 310, so that the electric wire 200 forms an extending section 210, a winding section 220 and an extending section 230 which are connected in sequence. One end of the portion of the extending section 230 exposed outside the magnetic sleeve 300, which is far away from the winding section 220, is used for connecting with a power supply, and one end of the portion of the extending section 210 exposed outside the magnetic sleeve 300, which is far away from the winding section 220, is used for connecting with the motor 100. The fixing assembly 400 is connected to the winding section 220 and the magnetic sleeve 300, so that the winding section 220 is tightly attached to the magnetic sleeve 300. In this embodiment, the central hole 310 extends through the magnetic sleeve 300 such that the magnetic sleeve 300 has an inner wall and an outer wall. In one embodiment, the magnetic sleeve 300 is cylindrical and annular. In this embodiment, the surface of the winding track of the winding section 220 is parallel to the center line of the central hole 310.
In the motor device 10, the magnetic sleeve 300 is inserted through the electric wire 200, and the electric wire 200 is wound on the magnetic sleeve 300, specifically, the wound section 220 of the electric wire 200 is wound on the magnetic sleeve 300, so that the electromagnetic radiation generated by the current in the electric wire 200 can be effectively reduced, and the interference of external signals can be effectively resisted, and the effects of electromagnetic radiation resistance and external interference resistance are good, the wound section 220 of the electric wire 200 is tightly attached to the magnetic sleeve 300 through the fixing component 400, so that the wound section 220 is stably matched with the magnetic sleeve 300, when the electric wire 200 shakes, the relative movement between the wound section 220 and the magnetic sleeve 300 is prevented from affecting the effects of electromagnetic radiation resistance and external interference resistance, and the wound section 220 is fixed, so that the wound section 220 is prevented from being rubbed with the magnetic sleeve 300 to cause the skin breaking of the wound section 220 to expose the internal lead, and in addition, only the magnetic sleeve 300 is used for resisting the electromagnetic radiation and the external interference, the cost is low.
In order to fix the portion of the winding section 220 located outside the magnetic sleeve 300, in one embodiment, as shown in fig. 2, the winding section 220 includes an outer winding portion located on the outer wall of the magnetic sleeve 300, the fixing assembly 400 includes a first fixing member 410, the first fixing member 410 is disposed on the outer wall of the magnetic sleeve 300 and connected to the outer winding portion, the first fixing member 410 presses the outer winding portion against the outer wall of the magnetic sleeve 300, so that the outer winding portion is tightly attached to the outer wall of the magnetic sleeve 300, and thus the outer winding portion located outside the magnetic sleeve 300 of the winding section 220 is fixed to the outer wall of the magnetic sleeve 300 by disposing the first fixing member 410 on the outer wall of the magnetic sleeve 300, so that the winding section 220 stably winds the magnetic sleeve 300, and thus radiation resistance and external interference resistance are ensured, and because the outer winding part is fixed, the outer winding part is prevented from being damaged due to friction with the magnetic sleeve 300, and the internal lead is prevented from being exposed.
To facilitate securing the portion of the wire wrap 220 that is inside the magnetic sleeve 300, in one embodiment, the winding section 220 further comprises an inner winding portion located in the central hole 310 and on the inner wall of the magnetic sleeve 300, the fixing assembly 400 further includes a second fixing member, which is disposed on an inner wall of the magnetic sleeve 300, and is connected with the internal winding part, the second fixing piece presses the internal winding part tightly on the inner wall of the magnetic sleeve 300, so that the internal winding part is tightly attached to the inner wall of the magnetic sleeve 300, thus, by arranging the second fixing member on the inner wall of the magnetic sleeve 300, the outward winding part is tightly fixed on the inner wall of the magnetic sleeve 300, the inward winding part of the winding section 220 inside the magnetic sleeve 300 is fixed on the inner wall of the magnetic sleeve 300, the winding section 220 is more stable and the magnetic sleeve 300 is wound, so that the effects of radiation resistance and external interference resistance are ensured. In one embodiment, the first fixing member 410 includes one of an adhesive member, a snap member, and an absorption member. In one embodiment, the first fixing element 410 is an adhesive element, and in one embodiment, the adhesive element is an adhesive tape, the adhesive tape is wound around the outer wall of the magnetic sleeve 300, the wound portion is adhered to the outer wall of the magnetic sleeve 300, and the wound portion is pressed against the outer wall of the magnetic sleeve 300, and a plane of a winding track of the adhesive tape is perpendicular to a center line of the central hole 310.
In order to prevent the extending section 210 and the extending section 230 from affecting the matching between the winding section 220 and the magnetic sleeve 300 when the electric wire 200 shakes, in one embodiment, the fixing assembly 400 further includes a plurality of third fixing members, the third fixing members are disposed on the inner wall or the end surface of the magnetic sleeve 300, at least one third fixing member is connected to the extending section 210, and presses the extending section 210 against the inner wall of the magnetic sleeve 300, so that the extending section 210 is tightly attached to the inner wall of the magnetic sleeve 300; at least one third fixing member is connected with the extension section 230, and presses the extension section 230 against the inner wall of the magnetic sleeve 300, so that the extension section 230 is tightly attached to the inner wall of the magnetic sleeve 300, the extension section 210 is fixedly and tightly attached to the inner wall of the magnetic sleeve 300 through the third fixing member, and the extension section 230 is also fixedly and tightly attached to the inner wall of the magnetic sleeve 300 through the third fixing member, thereby avoiding the pulling of the part of the extension section 210 located in the central hole 310 and the part of the extension section 230 located in the central hole 310 and the pulling of the winding section 220, namely avoiding the influence on the matching of the winding section 220 and the magnetic sleeve 300, and avoiding the friction of the winding section 220 and the magnetic sleeve 300.
In one embodiment, the first fixing member 410 includes one of an adhesive member, a clamping member, and an absorbing member; the second fixing piece comprises one of a clamping piece, an adhesive piece and an adsorption piece; the third fixing piece comprises one of a clamping piece, an adhesive piece and an adsorption piece.
In order to avoid the damage of the winding section 220 caused by the friction or extrusion between the bent portion of the winding section 220 and the edge of the magnetic sleeve 300, in one embodiment, a covering pad is disposed at the end of the magnetic sleeve 300, the covering pad sequentially covers part of the inner edge of the central hole 310, part of the end surface of the magnetic sleeve 300 and part of the outer wall of the end of the magnetic sleeve 300, and the winding section 220 abuts against the covering pad on the side away from the magnetic sleeve 300, so that no matter when the electric wire 200 starts to wind the magnetic sleeve 300 or after the electric wire 200 winds the magnetic sleeve 300, the covering pad is disposed to cover part of the inner edge of the central hole 310, part of the end surface of the magnetic sleeve 300 and part of the outer wall of the end of the magnetic sleeve 300, that is, the inner edge of the central hole 310, part of the end surface of the magnetic sleeve 300 and the part of the outer wall of the end of the magnetic sleeve 300 at the bent portion of the winding section 220 are covered, the damage of the winding section 220 caused by the larger friction or extrusion between the parts of the magnetic sleeve 300 and the bending position of the winding section 220 is avoided.
In order to facilitate the stable arrangement of the winding section 220, in one embodiment, an adhesive layer is arranged on one surface of the cladding pad, which is away from the magnetic sleeve 300, and the adhesive layer is adhered to the winding section 220, so that the bending part of the winding section 220 is fixed, the radiation resistance and the external interference resistance are further ensured, and the winding section is prevented from rubbing against the magnetic sleeve 300 to cause the winding section to break skin and expose the internal lead.
In order to avoid rubbing or extruding around the bent part of the winding section 220 and the edge of the magnetic sleeve 300 to cause damage around the winding section 220, in one embodiment, the end surface of the magnetic sleeve 300 is in arc transition with the connection part of the inner wall of the magnetic sleeve 300, the end surface of the magnetic sleeve 300 is in arc transition with the connection part of the outer wall of the magnetic sleeve 300, and through arc transition, the connection part of the end surface of the magnetic sleeve 300 and the inner wall of the magnetic sleeve 300 is not a sharp edge, so that the connection part of the end surface of the magnetic sleeve 300 and the outer wall of the magnetic sleeve 300 is not a sharp edge, and the damage around the winding section 220 caused by rubbing or extruding around the bent part of the winding section 220 and the edge of the magnetic sleeve 300 is avoided. In one embodiment, the connection between the end surface of the magnetic sleeve 300 and the inner wall of the magnetic sleeve 300 is in a circular arc transition, and the connection between the end surface of the magnetic sleeve 300 and the outer wall of the magnetic sleeve 300 is in a circular arc transition.
In order to improve the effect of the magnetic sleeve 300 on resisting external interference and the comprehensiveness, in one embodiment, the number of the magnetic sleeves 300 is multiple, the electric wires 200 are respectively wound around the magnetic sleeves 300, the magnetic sleeves 300 are sequentially distributed along the extending direction of the electric wires 200, the number of turns of the electric wires 200 wound around the magnetic sleeves 300 is different, so that different magnetic sleeves 300 are respectively wound around different electric wires 200, and the interference of high-frequency signals and low-frequency signals can be simultaneously suppressed. In one embodiment, the number of magnetic sleeves 300 is two.
In one embodiment, the magnetic sleeve 300 is selected to have a large volume, the aperture of the central hole 310 is small, and the magnetic sleeve has a long length, so that the magnetic sleeve 300 is made of more materials, and has better electromagnetic radiation resistance and external interference resistance, the aperture of the central hole 310 needs to be slightly larger than the thickness of the electric wire 200, so that the electric wire 200 can be conveniently inserted and wound, and the electric wire 200 is prevented from easily shaking due to a large gap between the electric wire 200 and the inner wall of the magnetic sleeve 300. In one embodiment, the magnetic sleeve 300 is a ferrite cylindrical ring.
In order to effectively wind the electric wire 200 to obtain better anti-electromagnetic radiation and anti-external interference effects, in one embodiment, the electric wire 200 includes a power line and a signal line which are parallel to each other, the width of the cross section of the power line is greater than that of the cross section of the signal line, the signal line is wound around the magnetic sleeve 300 for one or two turns, the power line is wound around the magnetic sleeve 300 for multiple turns, because the power line is greater than the electromagnetic radiation of the signal line, the power supply is wound around the magnetic sleeve 300 for multiple turns, the anti-electromagnetic radiation and anti-external interference effects are ensured, the signal line can be wound around one or two turns, the length of the signal line can be saved by winding one turn, and the cost is further saved.
In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.
It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.
In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An electric motor apparatus, comprising:
a motor;
one end of the wire is connected with the motor, and the other end of the wire is used for being connected with a power supply;
the magnetic sleeve is provided with a central hole penetrating through the magnetic sleeve, the electric wire extends into the wound magnetic sleeve from one hole opening of the central hole and extends out from the other hole opening of the central hole, so that the electric wire forms an extending section, a wound section and an extending section which are sequentially connected; one end, far away from the winding section, of the part of the extending section exposed outside the magnetic sleeve is used for being connected with a power supply, and one end, far away from the winding section, of the part of the extending section exposed outside the magnetic sleeve is used for being connected with the motor; and
and the fixing component is connected with the winding section and the magnetic sleeve respectively, so that the winding section is tightly attached to the magnetic sleeve.
2. The electric machine device according to claim 1, wherein the winding section includes an outer winding portion located on an outer wall of the magnetic sleeve, the fixing assembly includes a first fixing member, the first fixing member is disposed on the outer wall of the magnetic sleeve and connected to the outer winding portion, and the first fixing member presses the outer winding portion against the outer wall of the magnetic sleeve, so that the outer winding portion is tightly attached to the outer wall of the magnetic sleeve.
3. The electric machine device according to claim 2, wherein the winding section further includes an inner winding portion located in the central hole and on the inner wall of the magnetic sleeve, and the fixing assembly further includes a second fixing member disposed on the inner wall of the magnetic sleeve and connected to the inner winding portion, and the second fixing member presses the inner winding portion against the inner wall of the magnetic sleeve, so that the inner winding portion is tightly attached to the inner wall of the magnetic sleeve.
4. The motor device according to claim 3, wherein the fixing assembly further comprises a plurality of third fixing members, the third fixing members are disposed on the inner wall or the end surface of the magnetic sleeve, and at least one third fixing member is connected to the extending section and presses the extending section against the inner wall of the magnetic sleeve, so that the extending section is tightly attached to the inner wall of the magnetic sleeve; and the third fixing piece is connected with the extending section and tightly presses the extending section on the inner wall of the magnetic sleeve, so that the extending section is tightly attached to the inner wall of the magnetic sleeve.
5. The motor device according to claim 4, wherein the first fixing member includes one of an adhesive member, a snap member, and an adsorption member; the second fixing piece comprises one of a clamping piece, an adhesive piece and an adsorption piece; the third fixing piece comprises one of a clamping piece, an adhesive piece and an adsorption piece.
6. The electric machine device according to claim 1, wherein a cladding pad is disposed at an end of the magnetic sleeve, the cladding pad sequentially covers a portion of an inner edge of the central hole, a portion of an end surface of the magnetic sleeve, and a portion of an outer wall of the end of the magnetic sleeve, and the winding section abuts against a surface of the cladding pad facing away from the magnetic sleeve.
7. The electric machine device according to claim 6, wherein a bonding layer is arranged on a surface of the cladding pad facing away from the magnetic sleeve, and the bonding layer is bonded to the winding section.
8. The electric machine device according to claim 1, wherein a junction between the end surface of the magnetic sleeve and the inner wall of the magnetic sleeve transitions in a curved surface, and a junction between the end surface of the magnetic sleeve and the outer wall of the magnetic sleeve transitions in a curved surface.
9. The motor device according to claim 1, wherein the number of the magnetic sleeves is plural, the electric wire is wound around each of the magnetic sleeves, the magnetic sleeves are sequentially distributed along the extending direction of the electric wire, and the number of turns of the electric wire wound around each of the magnetic sleeves is different.
10. The motor device according to claim 1, wherein the electric wire includes a power wire and a signal wire arranged in parallel, a cross section of the power wire has a width larger than a cross section of the signal wire, the signal wire is wound around the magnetic sleeve for one or two turns, and the power wire is wound around the magnetic sleeve for a plurality of turns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120890637.8U CN215682072U (en) | 2021-04-27 | 2021-04-27 | Motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120890637.8U CN215682072U (en) | 2021-04-27 | 2021-04-27 | Motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215682072U true CN215682072U (en) | 2022-01-28 |
Family
ID=79971220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120890637.8U Active CN215682072U (en) | 2021-04-27 | 2021-04-27 | Motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215682072U (en) |
-
2021
- 2021-04-27 CN CN202120890637.8U patent/CN215682072U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10575077B2 (en) | Speaker and speaker module | |
| CN215682072U (en) | Motor device | |
| JP5965917B2 (en) | Antenna assembly, wireless microphone assembly, and antenna forming method | |
| US9883268B2 (en) | Loudspeaker module | |
| JP2007090502A (en) | Power tool with control circuit | |
| CN210245210U (en) | Miniature nickel-zinc magnetic bead | |
| CN207947900U (en) | Improvement type loud speaker | |
| CN209947614U (en) | Surface-mounted inductor | |
| JPH0267796A (en) | Noise reducible spiral tube | |
| CN211151623U (en) | Light and thin wireless charging module | |
| CN216982181U (en) | Printed board structure of high power density power module | |
| CN110730290A (en) | Probe of fish finder | |
| CN204031588U (en) | Electronics module | |
| CN203193865U (en) | Horn and magnetic assembly thereof | |
| CN113728404B (en) | Inductance fixing device and power converter | |
| CN217589483U (en) | Waterproof connector | |
| CN208689181U (en) | The line anti-drop device of metal detector | |
| CN220673017U (en) | FFC cable of high definition transmission | |
| CN209962856U (en) | Vehicle-mounted PFC inductor integrated structure | |
| CN210986382U (en) | Easily assemble earphone | |
| CN210670269U (en) | Probe of fish finder | |
| JP5604195B2 (en) | Voice coil speaker | |
| CN201466350U (en) | Electric connector and shielding shell thereof | |
| CN201008235Y (en) | Printed circuit board equipped with coil element | |
| JP3115399U (en) | Ferrite core used for electromagnetic interference suppression |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |