CN113922563A - Wheel hub motor heat insulation structure and wheel hub motor - Google Patents
Wheel hub motor heat insulation structure and wheel hub motor Download PDFInfo
- Publication number
- CN113922563A CN113922563A CN202110998144.0A CN202110998144A CN113922563A CN 113922563 A CN113922563 A CN 113922563A CN 202110998144 A CN202110998144 A CN 202110998144A CN 113922563 A CN113922563 A CN 113922563A
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- Prior art keywords
- heat
- hub motor
- heat insulation
- gasket
- insulation structure
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- 238000009413 insulation Methods 0.000 title claims abstract description 59
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the technical field of hub motors and discloses a hub motor heat insulation structure and a hub motor; the wheel hub motor heat-insulating structure includes: a heat sink pad and a plurality of heat insulating pads; the heat dissipation gasket is provided with a first contact surface connected with the end surface of the hub motor shell; a second contact surface is arranged on the heat dissipation gasket, and the heat insulation gaskets are fixed on the second contact surface; the heat-insulating gasket is provided with an engagement surface for adapting to a fastening profile of the fixing part of the brake disc. The heat insulation structure of the hub motor and the hub motor provided by the invention can effectively insulate heat and radiate heat efficiently, so that the heat generated by the brake disc is greatly weakened to be transferred to the shell of the hub motor.
Description
Technical Field
The invention relates to the technical field of hub motors, in particular to a hub motor heat insulation structure and a hub motor.
Background
The wheel hub motor drive is one of important development directions of new energy automobiles, and the principle of the wheel hub motor drive is that a motor is installed in an automobile wheel rim and directly drives wheels. In the braking process of the hub motor, the surface temperature of the brake disc reaches over 500 ℃, and the redundant heat can be conducted to the motor outer shell through the brake disc and the fixing bolt, so that the heat dissipation of the motor is adversely affected; the heat insulation structure of the existing hub motor has limited heat insulation capability and cannot meet the heat insulation requirement.
Disclosure of Invention
The invention provides a heat insulation structure of a hub motor and the hub motor, and solves the technical problems that the heat insulation structure of the hub motor in the prior art is complex in assembly, low in efficiency and limited in heat insulation capacity.
In order to solve the above technical problem, the present invention provides a heat insulation structure for a hub motor, including: a heat sink pad and a plurality of heat insulating pads;
the heat dissipation gasket is provided with a first contact surface connected with the end surface of the hub motor shell;
a second contact surface is arranged on the heat dissipation gasket, and the heat insulation gaskets are fixed on the second contact surface;
the heat-insulating gasket is provided with an engagement surface for adapting to a fastening profile of the fixing part of the brake disc.
Further, the heat dissipation gasket is a circular ring-shaped heat dissipation gasket.
Furthermore, the circular ring-shaped radiating gasket is formed by splicing a plurality of circular arc-shaped radiating gaskets.
Furthermore, the plurality of circular arc-shaped radiating gaskets are provided with fastening holes.
Furthermore, two limiting flanges are symmetrically arranged on the heat insulation gasket and are positioned on the joint surface.
Furthermore, a first edge and a second edge are formed between the two limiting flanges of the heat insulation gasket, and the length of the first edge is smaller than that of the second edge.
Furthermore, the height of the limiting flanging is gradually increased from one side close to the first edge to one side close to the second edge.
An in-wheel motor comprising: any wheel hub motor insulation construction of.
Further, the first contact surface of the heat dissipation gasket abuts against the end surface of the shell of the hub motor, the engagement surface abuts against the fastening profile of the fixing part of the brake disc, and the heat dissipation gasket and the heat insulation gasket are pressed tightly through a fastening piece.
Furthermore, a positioning pin column is arranged on the end face of the motor shell of the hub.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the wheel hub motor heat-insulating structure and the wheel hub motor that provide in this application embodiment keep apart brake disc and wheel hub motor casing through setting up thermal-insulated some piece to reduce heat transfer, reduce the influence of heat to the wheel hub motor. Meanwhile, the radiating gasket is arranged between the end face of the hub motor shell and the heat insulation gasket, so that the hub motor shell and limited heat transmitted by the heat insulation gasket are easily dissipated into the air, heat insulation and radiation are realized, and heat influence is further reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an assembled exploded view of a heat insulation structure of a hub motor according to an embodiment of the present invention;
FIG. 2 is a schematic view of a heat sink gasket and a heat insulation gasket of the heat insulation structure of the in-wheel motor shown in FIG. 1;
FIG. 3 is a schematic structural view of a heat sink of the heat insulation structure of the in-wheel motor shown in FIG. 1;
fig. 4 is a schematic structural view of a heat insulation spacer of the heat insulation structure of the in-wheel motor in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The application is described below with reference to specific embodiments in conjunction with the following drawings.
The embodiment of the application provides a wheel hub motor heat insulation structure and wheel hub motor, solves the technical problems that the wheel hub motor heat insulation structure in the prior art is complex in assembly and low in efficiency, and the heat insulation capacity is limited.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, the present embodiment provides a hub motor heat insulation structure, which is configured between a brake disc 40 of a hub motor and an end surface of a hub motor housing 10, and a gap is formed between the brake disc and the hub motor housing 10 through a heat insulation gasket 30, so that contact heat transfer is greatly reduced, and meanwhile, a heat dissipation gasket 20 is configured to respectively contact and transfer heat with the heat insulation gasket 30 and the end surface of the hub motor housing 10, and dissipate heat into air, so as to accelerate heat dissipation, thereby realizing combination of heat insulation and heat dissipation, and reducing the influence of heat generated by the brake disc and heat of the hub motor on the hub motor.
Specifically, the in-wheel motor heat-proof structure includes: a plurality of heat-radiating gaskets 20 for heat radiation contact and a plurality of heat-insulating gaskets 30 for separating the brake disc 40 from the end surface of the hub motor housing 10.
The heat sink gasket 20 includes two contact surfaces, namely a first contact surface engaged with the end surface of the hub motor housing 10 and a second contact surface for contacting and fixing the plurality of heat insulating gaskets 30.
Through the first contact surface with the end face contact of wheel hub motor casing 10 to can contact the heat dissipation, accelerate the heat dissipation of wheel hub motor casing 10 to a certain extent, reduce the influence of heat to the motor. Meanwhile, the heat transferred by the heat-insulating gaskets 30 is dissipated to the air in an accelerating way through the contact heat dissipation of the second contact surface and the heat-insulating gaskets 30, so that the influence of heat accumulation on the hub motor is avoided.
Similarly, the heat insulation pad 30 is provided with an engagement surface for fitting the fastening profile of the fixing portion 41 of the brake disc 40, so as to be in contact with and fixed to the fixing portion 41 of the brake disc 40, and greatly inhibit the heat of the brake disc 40 from being transferred to the hub motor housing 10, thereby achieving heat insulation.
Referring to fig. 3, in order to adapt to the shapes of the hub motor housing 10 and the brake disc 40, the heat-dissipating gasket 20 is a circular ring-shaped heat-dissipating gasket. In order to facilitate the disassembly and assembly, the circular-ring-shaped radiating gasket is formed by splicing a plurality of circular-arc-shaped radiating gaskets.
In order to simplify the structure and take fixation reliability into consideration, the plurality of circular arc-shaped heat dissipation gaskets are provided with fastening holes matched with the bolt fixing structure of the brake disc 40.
In this embodiment, the heat dissipation gasket 20 is made of an aluminum alloy material, and has high strength, high toughness, easy processing, good wear resistance, oxidation resistance and corrosion resistance, and has good thermal conductivity and large area, so that the heat dissipation gasket plays a role of a heat dissipation fin and can well dissipate heat conducted by the brake disc into the air; such as 6061 aluminum alloy.
Referring to fig. 4, it is worth explaining that the heat insulating spacer 30 provided in the present embodiment is a spacer structure with a small specification, so that a gap can be left between the hub motor housing 10 and the brake disc 40 to realize heat insulation. In order to facilitate the assembly positioning and limit the heat insulation gasket 30 to separate from the fixing part 41 of the brake disc 40, two limit flanges 31 are symmetrically arranged on the heat insulation gasket 30, the limit flanges 31 are positioned on the joint surface to form a groove-shaped structure for being sleeved on the fixing part 41, so that the heat insulation gasket is convenient to position and fix, is convenient to assemble, and can limit dislocation and even fall off during disassembly and assembly.
In order to adapt to the shapes of the brake disc 40 and the port of the hub motor housing 10, a first edge and a second edge are formed between the two limiting flanges 31 of the heat insulation gasket 30, the length of the first edge is smaller than that of the second edge, that is, the overall shape of the heat insulation gasket 30 is a trapezoid-like structure, wherein during assembly, the short bottom edge faces outwards, the long bottom edge faces inwards, and the heat insulation gasket can be fixed on the fixing part 41 in a matching manner.
Similarly, in order to facilitate the fixing and realize the manufacturability of the integral assembly, the height of the limiting flanging 31 is gradually increased from the side close to the first edge to the side close to the second edge.
In order to facilitate fixing, the heat insulation gasket 30 is provided with a screw hole 32 for facilitating fixing.
The present embodiment also provides an in-wheel motor including: any wheel hub motor insulation construction of.
Specifically, the first contact surface of the heat sink 20 abuts against the end surface of the hub motor housing 10, and the engagement surface abuts against the fastening profile of the fixing portion of the brake disk 40, and the heat sink 20 and the heat insulating spacer 30 are pressed by a fastening member.
For the convenience of assembly, the end face of the hub motor shell 10 is provided with positioning pins.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the wheel hub motor heat-insulating structure and the wheel hub motor that provide in this application embodiment keep apart brake disc and wheel hub motor casing through setting up thermal-insulated some piece to reduce heat transfer, reduce the influence of heat to the wheel hub motor. Meanwhile, the radiating gasket is arranged between the end face of the hub motor shell and the heat insulation gasket, so that the hub motor shell and limited heat transmitted by the heat insulation gasket are easily dissipated into the air, heat insulation and radiation are realized, and heat influence is further reduced.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; 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 application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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 addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An in-wheel motor heat insulation structure, characterized by comprising: a heat sink pad and a plurality of heat insulating pads;
the heat dissipation gasket is provided with a first contact surface connected with the end surface of the hub motor shell;
a second contact surface is arranged on the heat dissipation gasket, and the heat insulation gaskets are fixed on the second contact surface;
the heat-insulating gasket is provided with an engagement surface for adapting to a fastening profile of the fixing part of the brake disc.
2. The in-wheel motor heat insulation structure of claim 1, wherein the heat sink gasket is a circular ring-shaped heat sink gasket.
3. The heat insulation structure of the in-wheel motor as claimed in claim 2, wherein the circular ring-shaped heat dissipation gasket is formed by splicing a plurality of circular arc-shaped heat dissipation gaskets.
4. The heat insulation structure of the hub motor as claimed in claim 3, wherein the plurality of circular arc-shaped heat dissipation gaskets are provided with fastening holes.
5. The hub motor heat insulation structure of claim 1, wherein two limit flanges are symmetrically arranged on the heat insulation spacer, and the limit flanges are located on the engagement surface.
6. The heat insulation structure of the hub motor as claimed in claim 5, wherein a first edge and a second edge are formed between the two limiting flanges of the heat insulation gasket, and the length of the first edge is smaller than that of the second edge.
7. The in-wheel motor heat insulation structure of claim 6, wherein the height of the limiting flange is gradually increased from the side close to the first edge to the side close to the second edge.
8. An in-wheel motor, comprising: the in-wheel motor heat insulation structure of any one of claims 1 to 7.
9. The in-wheel motor according to claim 8, wherein the first contact surface of the heat sink pad abuts against the end surface of the hub motor housing, and the engagement surface abuts against the fastening profile of the fixing portion of the brake disk, and the heat sink pad and the heat insulating pad are pressed by a fastening member.
10. The in-wheel motor according to claim 9, wherein the end surface of the hub motor housing is provided with positioning pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998144.0A CN113922563A (en) | 2021-08-27 | 2021-08-27 | Wheel hub motor heat insulation structure and wheel hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998144.0A CN113922563A (en) | 2021-08-27 | 2021-08-27 | Wheel hub motor heat insulation structure and wheel hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113922563A true CN113922563A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110998144.0A Pending CN113922563A (en) | 2021-08-27 | 2021-08-27 | Wheel hub motor heat insulation structure and wheel hub motor |
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| Country | Link |
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| CN (1) | CN113922563A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209402334U (en) * | 2018-11-07 | 2019-09-17 | 北京锋锐新源电驱动科技有限公司 | A kind of heat-insulated hub motor |
| CN209462128U (en) * | 2018-12-25 | 2019-10-01 | 宁波圣龙汽车动力系统股份有限公司 | Hub motor shell |
| CN110336418A (en) * | 2019-07-30 | 2019-10-15 | 东风汽车集团有限公司 | A kind of hub motor heat insulation loop and hub motor |
| CN210298361U (en) * | 2019-05-24 | 2020-04-10 | 芜湖飞龙汽车电子技术研究院有限公司 | Controller positioning structure for electronic water pump |
| CN211259432U (en) * | 2019-11-27 | 2020-08-14 | 章丘市鑫川源锻造有限公司 | Heat radiation structure of automobile brake disc |
| CN112366872A (en) * | 2020-09-22 | 2021-02-12 | 东风汽车集团有限公司 | A thermal-insulated nut, in-wheel motor, wheel and vehicle for in-wheel motor |
-
2021
- 2021-08-27 CN CN202110998144.0A patent/CN113922563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209402334U (en) * | 2018-11-07 | 2019-09-17 | 北京锋锐新源电驱动科技有限公司 | A kind of heat-insulated hub motor |
| CN209462128U (en) * | 2018-12-25 | 2019-10-01 | 宁波圣龙汽车动力系统股份有限公司 | Hub motor shell |
| CN210298361U (en) * | 2019-05-24 | 2020-04-10 | 芜湖飞龙汽车电子技术研究院有限公司 | Controller positioning structure for electronic water pump |
| CN110336418A (en) * | 2019-07-30 | 2019-10-15 | 东风汽车集团有限公司 | A kind of hub motor heat insulation loop and hub motor |
| CN211259432U (en) * | 2019-11-27 | 2020-08-14 | 章丘市鑫川源锻造有限公司 | Heat radiation structure of automobile brake disc |
| CN112366872A (en) * | 2020-09-22 | 2021-02-12 | 东风汽车集团有限公司 | A thermal-insulated nut, in-wheel motor, wheel and vehicle for in-wheel motor |
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Application publication date: 20220111 |