CN214380427U - Motor heat radiation structure - Google Patents
Motor heat radiation structure Download PDFInfo
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- CN214380427U CN214380427U CN202120004420.2U CN202120004420U CN214380427U CN 214380427 U CN214380427 U CN 214380427U CN 202120004420 U CN202120004420 U CN 202120004420U CN 214380427 U CN214380427 U CN 214380427U
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Abstract
The utility model discloses a motor heat radiation structure, include: the side cover is provided with a plurality of air inlet holes; the filtering assembly is arranged on one side of the side cover and comprises a cylindrical baffle and a filtering piece, a filtering channel is arranged in the baffle and comprises an inlet section, a connecting section and an outlet section; one end of the inlet section penetrates through one side surface of the baffle plate, one end of the connecting section is connected with the other end of the inlet section, one end of the outlet section is connected with the other end of the connecting section, and the other end of the outlet section penetrates through the other side surface of the baffle plate; the filtering piece is arranged on one side, away from the side cover, of the baffle plate and covers the outlet section. The utility model discloses can filter pollutants such as dust in the wind, avoid the pollutant to get into external rotor subassembly's inside and cause the pollution to external rotor subassembly and stator module to can guarantee in-wheel motor's safe handling.
Description
Technical Field
The utility model relates to the technical field of motors, especially, relate to a motor heat radiation structure.
Background
The existing hub motor adopts the ventilation holes arranged on the side cover to dissipate heat. When wind blows into in-wheel motor inside in order to dispel the heat to outer rotor subassembly and stator module, cause pollutants such as dust together to blow in-wheel motor inside easily to cause in-wheel motor's damage easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor heat radiation structure can filter pollutants such as dust in the wind, avoids the pollutant to get into external rotor subassembly's inside and causes the pollution to external rotor subassembly and stator module to can guarantee in-wheel motor's safe handling.
Therefore, the utility model discloses a technical scheme provide a motor heat radiation structure, include:
the side cover is provided with a plurality of air inlet holes;
the filtering assembly is arranged on one side of the side cover and comprises a cylindrical baffle and a filtering piece, a filtering channel is arranged in the baffle and comprises an inlet section, a connecting section and an outlet section; one end of the inlet section penetrates through one side surface of the baffle plate, one end of the connecting section is connected with the other end of the inlet section, one end of the outlet section is connected with the other end of the connecting section, and the other end of the outlet section penetrates through the other side surface of the baffle plate; the filtering piece is arranged on one side, away from the side cover, of the baffle plate and covers the outlet section.
In an embodiment of the present invention, the inducer is inclined, and the inducer is away from the distance from the one end of the connecting section to the center hole of the baffle is greater than the distance from the one end of the connecting section to the center hole of the baffle.
In an embodiment of the present invention, the inlet section is a cone with a large left end and a small right end.
In an embodiment of the invention, the connecting section is arranged perpendicular to the centre line of the baffle.
In an embodiment of the invention, the outlet section is arranged parallel to the centre line of the baffle.
In one embodiment of the present invention, the filter element is a filter membrane or a filter screen.
In an embodiment of the present invention, the side cover includes:
the outer side wall of the body is provided with an annular groove, and the bottom of the annular groove is provided with a plurality of air inlet holes;
the fan blades are uniformly arranged on the inner side wall of the body along the circumferential direction of the body and are close to the air inlet holes;
the fixing ring is connected with one end of the fan blades far away from the body;
and the reinforcing rib is fixed in the annular groove and is positioned outside the air inlet hole.
In an embodiment of the present invention, the reinforcing rib includes:
the bar-shaped ribs are uniformly arranged along the circumferential direction of the body, one end of each bar-shaped rib is connected with the outer groove wall of the annular groove, and the other end of each bar-shaped rib is connected with the inner groove wall of the annular groove;
and the annular ribs are connected with the middle positions of the bar-shaped ribs.
In an embodiment of the present invention, the fan blade is in a wave shape, including a wave crest and a wave trough.
In an embodiment of the present invention, the fan blade is a centrifugal fan.
The utility model discloses an useful part lies in:
be different from prior art, use the technical scheme of the utility model, during the in-service use, the side cover blows in the wind of in-wheel motor can only get into the filtration passageway of baffle from the induction zone, goes out from the export section again through the linkage segment, then sees through on baffle and the clearance of filtering between the piece and the filtration piece, enters into external rotor subassembly's inside, dispels the heat to external rotor subassembly and stator module. Through setting up the baffle and filtering the piece, can filter pollutants such as dust in the wind, avoid the pollutant to get into outer rotor subassembly's inside and cause the pollution to outer rotor subassembly and stator module to can guarantee in-wheel motor's safe handling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a hub motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a side cover of the in-wheel motor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a reinforcing rib of a side cover of an in-wheel motor according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 3, an embodiment of the present invention provides an in-wheel motor, which includes an outer rotor assembly 1, a stator assembly 2, a rotating shaft 3, a side cover 4, a filter assembly 5, and an end cover 6. The outer rotor assembly 1 is fixedly connected with a hub of the electric vehicle. The stator assembly 2 is in magnetic coupling corresponding fit with the outer rotor assembly 1. The rotating shaft 3 is fixedly connected with the stator assembly 2. Filter assembly 5 and end cover 6 rotationally set up the both ends at pivot 3 respectively, and respectively with the both ends fixed connection of external rotor assembly 1, filter assembly 5 is used for preventing that the pollutant from getting into external rotor assembly 1's inside, and end cover 6 is provided with a plurality of exhaust vents 61. The side cover 4 is arranged on one side of the filter assembly 5 far away from the outer rotor assembly 1 and can be rotatably arranged on the rotating shaft 3, and the side cover 4 is provided with a plurality of air inlet holes 41.
Above-mentioned in-wheel motor, during the in-service use, wind gets into in-wheel motor's inside from a plurality of fresh air inlets 41 of side cover 4, and the pollutant in the wind can not get into the inside of external rotor subassembly 1 under the separation of filter assembly 5, so, when the inside of rotor subassembly 1 was in order to dispel the heat in the wind blow into, can prevent that the pollutant from polluting stator module 2 and external rotor subassembly 1 and causing in-wheel motor's damage.
In the embodiment of the present invention, the side cover 4 includes a body 40, a fan blade 42, a fixing ring 43 and a reinforcing rib 45. An annular groove 44 is formed in the outer side wall of the body 40 (the side of the body 40 away from the filter assembly 5), and a plurality of air inlet holes 41 are formed in the bottom of the annular groove 44. The plurality of fan blades 42 are uniformly arranged on the inner side wall of the body 40 along the circumferential direction of the body 40, and are arranged close to the plurality of air inlet holes 41. The fixing ring 43 is connected to an end of the fan blades 42 away from the body 40. The reinforcing ribs 45 are fixed in the annular groove 44 and located outside the air inlet holes 41 (the side of the air inlet holes 41 away from the filter assembly 5).
In practical use, the side cover 4 rotates to drive the fan blades 42 on the inner side wall of the body 40 of the side cover 4 to rotate, so that air is blown into the inner side of the side cover 4 through the air inlet 41 from the outside. The outer side wall of the body 40 is provided with the annular groove 44, so that the failure of the fan blade caused by deformation of the part of the side cover 4, which is provided with the fan blade 42, after collision is avoided; by providing the reinforcing rib 45 in the annular groove 44, the structural strength of the edge cover 4 can be enhanced, and deformation of the edge cover 4 can be prevented. Therefore, the fan blades 42 on the side cover 4 can be protected, and the failure of the fan blades 42 is avoided.
In particular embodiments, body 40 includes a connecting portion 403, an intermediate portion 402, and an end portion 401. The intermediate portion 402 is cylindrical. The connecting portion 403 is vertically connected to the outer sidewall of one end of the middle portion 402. The end portion 401 is vertically connected to the inner side wall of the other end of the middle portion 402, and an annular groove 44 is formed in the outer side wall of the end portion 401 in an inward recessed manner.
The embodiment of the utility model provides an in, fresh air inlet 41 is fan-shaped, and fresh air inlet 41's quantity is three, and three fresh air inlet 41 evenly sets up along the circumferencial direction of body 40.
In the embodiment of the present invention, the reinforcing rib 45 includes a bar rib 451 and an annular rib 452. The plurality of ribs 451 are uniformly arranged along the circumferential direction of the body 40, one end of each rib 451 is connected to the outer groove wall of the annular groove 44, and the other end of each rib 451 is connected to the inner groove wall of the annular groove 44. The annular rib 452 is connected to the middle of the plurality of bar-shaped ribs 451. So, the structural strength of strengthening rib 45 is good, and under the condition that does not influence the ventilation, can prevent that the great particulate matter of volume from penetrating to the inboard by the outside of sideshield 4.
Further, the dimension of the middle portion of the bar 451 is larger than the dimension of the both ends of the bar 451.
In the embodiment of the present invention, the fan blade 42 is a wave shape, including a wave peak and a wave trough. In other words, the fan blade 42 has an "S" shape. In this way, the air blowing by the fan blade 42 is more uniform.
Further, the fan blade 42 is a centrifugal fan.
In the embodiment of the present invention, the filter assembly 5 includes a cylindrical baffle and a filter member 54. A filtering channel is arranged in the baffle plate, and comprises an inlet section 51, a connecting section 52 and an outlet section 53; one end of the inlet section 51 penetrates to one side surface of the baffle, one end of the connecting section 52 is connected with the other end of the inlet section 51, one end of the outlet section 53 is connected with the other end of the connecting section 52, and the other end of the outlet section 53 penetrates to the other side surface of the baffle. The filter element 54 is arranged on the side of the baffle remote from the edge cover 4 and covers the outlet section 53.
In practical use of the filter assembly 5, the wind blown into the hub motor by the side cover 4 can only enter the filter channel of the baffle plate from the inlet section 51, then goes out from the outlet section 53 through the connecting section 52, then penetrates through the gap between the baffle plate and the filter element 54, enters the inner part of the outer rotor assembly 1, and dissipates heat of the outer rotor assembly 1 and the stator assembly 2. Through setting up the baffle and filtering piece 54, can filter pollutants such as dust in the wind, avoid the pollutant to get into the inside of external rotor subassembly 1 and cause the pollution to external rotor subassembly 1 and stator module 2 to can guarantee in-wheel motor's safe handling.
The embodiment of the utility model provides an in, inducer 51 slope sets up, and inducer 51 keeps away from the one end of linkage segment 52 and is greater than inducer 51 and is close to the one end of linkage segment 52 and to the distance of the centre bore of baffle. In this manner, wind is facilitated to enter inducer 51.
Further, the inlet section 51 has a conical tube shape with a large left end and a small right end.
In the embodiment of the present invention, the connecting section 52 is perpendicular to the central line of the baffle.
In the embodiment of the present invention, the outlet section 53 is parallel to the central line of the baffle.
In embodiments of the present disclosure, the filtering element 54 may be a filtering membrane or a filtering mesh.
The embodiment of the utility model provides an in, in-wheel motor still includes dust ring 7, and dust ring 7 sets up in pivot 3, and is located one side that filter component 5 was kept away from to side cover 4, forms the clearance between dust ring 7 and the side cover 4. Thus, dust can be prevented from entering the interior of the in-wheel motor through the gap between the edge cover 4 and the rotary shaft 3.
The embodiment of the utility model provides an in, in-wheel motor still includes first bearing 46, and first bearing 46 sets up on pivot 3, and side cover 4 sets up on first bearing 46. In this way, the rotation of the edge cover 4 is more smooth.
The embodiment of the utility model provides an in-wheel motor still includes second bearing 55, and second bearing 55 sets up in pivot 3, and filtering component 5 sets up on second bearing 55. In this way, the rotation of the filter assembly 5 is more smooth.
The embodiment of the utility model provides an in, in-wheel motor still includes third bearing 62, and third bearing 62 sets up in pivot 3, and end cover 6 sets up on third bearing 62. In this way, the rotation of the end cap 6 is more smooth.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A motor heat radiation structure, its characterized in that includes:
the side cover is provided with a plurality of air inlet holes;
the filtering assembly is arranged on one side of the side cover and comprises a cylindrical baffle and a filtering piece, a filtering channel is arranged in the baffle and comprises an inlet section, a connecting section and an outlet section; one end of the inlet section penetrates through one side surface of the baffle plate, one end of the connecting section is connected with the other end of the inlet section, one end of the outlet section is connected with the other end of the connecting section, and the other end of the outlet section penetrates through the other side surface of the baffle plate; the filtering piece is arranged on one side, away from the side cover, of the baffle plate and covers the outlet section.
2. The heat dissipation structure for an electric motor according to claim 1, wherein the inlet section is disposed obliquely, and a distance from an end of the inlet section far from the connecting section to the central hole of the baffle plate is greater than a distance from an end of the inlet section near the connecting section to the central hole of the baffle plate.
3. The motor heat dissipation structure of claim 2, wherein the inlet section has a conical cylinder shape with a large left end and a small right end.
4. The motor heat dissipation structure of claim 1, wherein the connection section is disposed perpendicular to a center line of the baffle.
5. The motor heat dissipation structure of claim 1, wherein the outlet section is disposed parallel to a centerline of the baffle.
6. The motor heat dissipation structure according to claim 1, wherein the filter member is a filter membrane or a filter mesh.
7. The motor heat dissipation structure of claim 1, wherein the side cover comprises:
the outer side wall of the body is provided with an annular groove, and the bottom of the annular groove is provided with a plurality of air inlet holes;
the fan blades are uniformly arranged on the inner side wall of the body along the circumferential direction of the body and are close to the air inlet holes;
the fixing ring is connected with one end of the fan blades far away from the body;
and the reinforcing rib is fixed in the annular groove and is positioned outside the air inlet hole.
8. The motor heat dissipation structure of claim 7, wherein the reinforcing rib comprises:
the bar-shaped ribs are uniformly arranged along the circumferential direction of the body, one end of each bar-shaped rib is connected with the outer groove wall of the annular groove, and the other end of each bar-shaped rib is connected with the inner groove wall of the annular groove;
and the annular ribs are connected with the middle positions of the bar-shaped ribs.
9. The motor heat dissipation structure of claim 7, wherein the fan blade has a wave shape including one peak and one valley.
10. The motor heat dissipation structure of claim 7, wherein the fan blade is a centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120004420.2U CN214380427U (en) | 2021-01-04 | 2021-01-04 | Motor heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120004420.2U CN214380427U (en) | 2021-01-04 | 2021-01-04 | Motor heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380427U true CN214380427U (en) | 2021-10-08 |
Family
ID=77953100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120004420.2U Active CN214380427U (en) | 2021-01-04 | 2021-01-04 | Motor heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380427U (en) |
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2021
- 2021-01-04 CN CN202120004420.2U patent/CN214380427U/en active Active
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