CN216134322U - Air cooling structure, disc type motor and aircraft - Google Patents
Air cooling structure, disc type motor and aircraft Download PDFInfo
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- CN216134322U CN216134322U CN202122067583.8U CN202122067583U CN216134322U CN 216134322 U CN216134322 U CN 216134322U CN 202122067583 U CN202122067583 U CN 202122067583U CN 216134322 U CN216134322 U CN 216134322U
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- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The application relates to an air cooling structure, a disc type motor and an aircraft. The air cooling structure comprises an air flow driving part arranged on the rotor component, wherein the air flow driving part is provided with an air inlet part and an air exhaust part which are arranged along the radial direction of the disc type motor; the disc type motor comprises a stator assembly, a first air inlet area and a second air inlet area, wherein the stator assembly is arranged on the first side of the stator assembly, the rotor assembly is arranged on the second side of the stator assembly, and the first side and the second side of the stator assembly are arranged oppositely along the direction of a rotating axis of the disc type motor; the first air inlet area and the second air inlet area are communicated with the air inlet part of the air flow driving piece, and the air flow driving piece is used for guiding air flows of the first air inlet area and the second air inlet area to the air exhaust part along the radial direction and discharging the air flows. The utility model provides a scheme can improve disc motor's intake, and the reinforcing is to disc motor's radiating effect.
Description
Technical Field
The application relates to the technical field of aviation, especially, relate to forced air cooling structure, disc motor and aircraft.
Background
The disc type motor is also called as a disc type motor, and the stator and the rotor of the disc type motor are both in disc type structures, so that the disc type motor is particularly suitable for scenes with strict limitation on installation space due to small volume, light weight and short axial dimension.
In the correlation technique, when the disc motor is installed in the aircraft, the stator of the disc motor needs to be assembled with the horn of the aircraft, so that the air inlet on the stator side is easily shielded by the horn, the wind resistance of the air inlet is increased, the air inlet amount of the disc motor is reduced, and the heat dissipation effect of the disc motor is insufficient.
SUMMERY OF THE UTILITY MODEL
For solving or partly solve the problem that exists among the correlation technique, this application provides an air-cooled structure, disk motor and aircraft, can improve disk motor's intake, reinforcing radiating effect.
The present application provides in a first aspect an air-cooling structure for a disc motor, including:
the air flow driving piece is arranged on the rotor assembly and is provided with an air inlet part and an air exhaust part which are arranged along the radial direction of the disc type motor;
the disc type motor comprises a stator assembly, a first air inlet area and a second air inlet area, wherein the stator assembly is arranged on the first side of the stator assembly, the rotor assembly is arranged on the second side of the stator assembly, and the first side and the second side of the stator assembly are arranged oppositely along the direction of a rotating axis of the disc type motor;
the first air inlet area and the second air inlet area are communicated with the air inlet part of the air flow driving piece, and the air flow driving piece is used for guiding air flows of the first air inlet area and the second air inlet area to the air exhaust part along the radial direction and discharging the air flows.
In one embodiment, the disc motor further comprises an air gap structure arranged in the disc motor, and the air flow driving piece is arranged adjacent to the air gap structure;
the air gap structure comprises an air path formed along the radial direction of the disc motor, an air inlet part of the air flow driving piece is arranged on the air path and close to one side of a rotating shaft of the disc motor, and an air outlet part of the air flow driving piece is arranged on the air path and far away from one side of the rotating shaft of the disc motor;
the first air inlet area and the second air inlet area are respectively arranged on two sides of the air gap structure and communicated with the air inlet part of the airflow driving piece.
In one embodiment, the stator assembly includes a stator end cap provided with the first side portion, and the rotor assembly includes a rotor end cap provided with the second side portion;
the first air inlet area is arranged on the stator end cover, the second air inlet area is arranged on the rotor end cover, and the air inlet direction of the second air inlet area is along the rotating axis direction of the rotor and is opposite to the air inlet direction of the first air inlet area.
In one embodiment, the second air intake zone is provided in an annular shape centered on the rotation axis of the disc motor; or
The second air inlet area is provided with a plurality of air inlets which are distributed in an annular array shape.
In one embodiment, the air inlets are fan-shaped, and adjacent air inlets are at least partially equidistantly arranged in a direction perpendicular to the rotation axis.
In one embodiment, the plurality of air inlets are radially distributed around the rotation axis.
In one embodiment, the air intake area of the second air intake zone is greater than or equal to the air intake area of the first air intake zone.
In one embodiment, the airflow driver is configured as a double-sided inlet turbofan.
A second aspect of the present application provides a disc motor including the air-cooling structure as described above.
A third aspect of the present application provides an aircraft comprising a disc motor as described above.
The technical scheme provided by the application can comprise the following beneficial effects: the air cooling structure comprises an air flow driving part arranged on a rotor component, wherein the air flow driving part is provided with an air inlet part and an air exhaust part which are arranged along the radial direction of a disc type motor; the disc type motor comprises a stator assembly, a first air inlet area and a second air inlet area, wherein the stator assembly is arranged on the first side of the stator assembly, the rotor assembly is arranged on the second side of the stator assembly, and the first side and the second side of the stator assembly are arranged oppositely along the direction of a rotating axis of the disc type motor; the air cooling structure comprises a first air inlet area, a second air inlet area, an air flow driving piece, an air exhaust part, an air cooling structure and an air inlet part, wherein the first air inlet area and the second air inlet area are communicated with an air inlet part of the air flow driving piece, the air flow driving piece is used for guiding air flows of the first air inlet area and the second air inlet area to the air exhaust part along the radial direction, and after the air cooling structure is arranged, air can be respectively fed from a first side part and a second side part which are arranged oppositely to two sides in the direction of a rotation axis of the disc type motor, so that the defect that the air inlet amount is insufficient when an air inlet at the stator side is shielded by a machine arm in the related technology can be avoided, the air inlet amount of the disc type motor is improved, and the heat dissipation effect is further enhanced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 is a schematic structural diagram of an air cooling structure for a disc motor according to an embodiment of the present application;
FIG. 2 is a schematic airflow direction view of the air-cooled structure of FIG. 1;
fig. 3 is a schematic view of a second air intake zone of the air-cooled structure of fig. 1.
Reference numerals: the stator assembly 11, the first side 111, the stator end cover 112, the first air inlet area 110, the rotor assembly 12, the second side 121, the rotor end cover 122, the second air inlet area 120, the air gap structure 13, and the pressure bearing rotating shaft cover 14.
Detailed Description
Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are illustrated in the accompanying drawings, it should be understood that the present application 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.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the correlation technique, when the disc motor is installed in the aircraft, the stator of the disc motor needs to be assembled with the horn of the aircraft, so that the air inlet on the stator side is easily shielded by the horn, the wind resistance of the air inlet is increased, the air inlet volume of the disc motor is reduced, and the heat dissipation effect of the disc motor is insufficient.
To above-mentioned problem, this application embodiment provides an air-cooled structure, disc motor and aircraft, can improve disc motor's intake, reinforcing radiating effect.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment provides an air cooling structure for a disc motor, the air cooling structure including: an air flow driving member (not shown) provided in the rotor assembly 12, the air flow driving member being provided with an air inlet portion and an air outlet portion arranged in a radial direction of the disc motor; a first air intake area 110 provided at a first side portion 111 of the stator assembly 11, and a second air intake area 120 provided at a second side portion 121 of the rotor assembly 12, the first side portion 111 and the second side portion 121 being arranged to face away from each other in a direction of a rotation axis of the disc motor; the first air inlet area 110 and the second air inlet area 120 are communicated with an air inlet portion of the air flow driving member, and the air flow driving member is used for guiding air flows of the first air inlet area 110 and the second air inlet area 120 to an air exhaust portion along a radial direction.
Due to the arrangement, air can be respectively fed from the first side part and the second side part which are arranged at two sides of the disc type motor, so that air can be fed from the second air inlet area 120 of the rotor assembly 12 besides the first air inlet area 110, and double-side air feeding of the disc type motor is realized, so that the air inlet amount of the disc type motor is increased, and the heat dissipation effect is improved; and when one side of the air inlet is incapable of supplying air or the air inlet amount is reduced, the other side supplies air, so that the defect of insufficient air inlet amount when the air inlet of the stator side is shielded by the horn in the related technology can be avoided, the air inlet amount of the disc type motor is increased, and the stability of the heat dissipation effect is further improved.
Referring to fig. 1 and 2, in the present embodiment, the disk motor has a rotation axis T disposed in a rotation axis direction and a radial direction perpendicular to the rotation axis T, and an air flow driving member, which may be a turbo centrifugal fan, is provided with a discharge portion and an intake portion in the radial direction. The stator assembly 11 and the rotor assembly 12 are connected to each other, so that when the airflow driving member performs airflow driving, airflow outside the disc motor can be sucked into the air inlet portion through the first air inlet region 110 and the second air inlet region 120, for example, air is introduced through the first air inlet region 110 in the direction L1, air is introduced through the second air inlet region 120 in the direction L2, and the airflow is guided to the air outlet portion in the direction L3 by driving, wherein the direction L1 and the direction L2 may be opposite directions arranged along the rotation axis direction of the disc motor, and the direction L3 may be the radial direction of the disc motor.
In one embodiment, the air cooling structure further comprises an air gap structure 13 arranged in the disc motor, and the airflow driving part is arranged adjacent to the air gap structure 13; the air gap structure 13 comprises an air path formed along the radial direction of the disc motor, an air inlet part of the air flow driving piece is arranged on the air path and close to one side of the rotating shaft of the disc motor, and an air outlet part of the air flow driving piece is arranged on the air path and far away from one side of the rotating shaft of the disc motor; the first air inlet area 110 and the second air inlet area 120 are respectively communicated with the air inlet part of the air flow driving member at two sides of the air gap structure 13. The air gap structure 13 is a gap provided between the stator assembly 11 and the rotor assembly 12 in the disc motor, so that the magnets in the rotor assembly 12 and the windings in the stator assembly 11 can move relatively. In this embodiment, the size of the air gap structure 13 can be adjusted according to the air intake of the first air intake area 110 and the second air intake area 120.
By arranging the air gap structure 13, after air flow enters the disc motor from the direction L1 and the direction L2 through the first air inlet area 110 and the second air inlet area 120, the air flow in the direction L1 and the direction L2 flows from the air inlet portion to the air exhaust portion along the radial direction by the air flow driving member arranged close to the air gap structure 13, and flows from the air exhaust portion to the air gap structure 13, and the air flow can be exhausted from the inside of the disc motor by the air path formed by the air gap structure 13 along the radial direction of the disc motor, so that the circulation of the air flow is realized, and the heat dissipation of the disc motor is realized.
In one embodiment, the stator assembly 11 includes a stator end cover 112 having a first side 111, and the rotor assembly 12 includes a rotor end cover 122 having a second side 121; the first air inlet area 110 is disposed on the stator end cover 112, the second air inlet area 120 is disposed on the rotor end cover 122, and the air inlet direction of the second air inlet area 120 is along the rotation axis direction of the rotor and opposite to the air inlet direction of the first air inlet area 110.
The disc motor further includes a bearing cover 14, and the stator cover 112 and the rotor cover 122 are connected through the bearing cover 14. The rotation axis of the rotor may be a rotation axis T of the disc motor, and on the rotation axis T, the rotation axis T is divided into two directions that are away from each other with the disc motor as a center, so that the air intake directions of the first air intake area 110 and the second air intake area 120 that are disposed on both sides of the rotation axis T are opposite, for example, the first air intake area 110 and the second air intake area 120 enter the disc motor along a first direction L1 and an opposite second direction L2 of the axis T, respectively. Set up like this, can form the convection current at air current driving piece department intersection, by air current driving piece discharge disk motor in the lump, improve the radiating rate.
In one embodiment, the second air intake area 120 is provided in a ring shape centered on the rotational axis of the disc motor. For example, the rotation axis T of the disc motor is used as a center, and the rotation axis T is adapted to a preset shape of the disc motor, so as to improve the air intake amount and the air intake efficiency of the second air intake zone 120.
In one embodiment, the second air inlet area 120 is provided with a plurality of air inlets 1201, and the plurality of air inlets 1201 are distributed in an annular array.
The plurality of air inlets 1201 are adapted to the disc motor and distributed in an annular array according to a preset shape of the disc motor, so as to improve the air intake volume and the air intake efficiency of the second air intake area 120.
Referring to fig. 3, in one embodiment, the air inlets 1201 are fan-shaped, and adjacent air inlets 1201 are at least partially equidistantly arranged in a direction perpendicular to the rotation axis.
The air inlet 1201 can be arranged on a rotating plane perpendicular to the rotating axis T, the area of the air inlet 1201 can be increased by the fan-shaped structure, so that the air inlet amount is increased, and the adjacent air outlets are arranged at equal intervals, so that the heat dissipation effect of the disc motor in different directions is uniform, and the local temperature difference is prevented from being too large. In one embodiment, the plurality of air inlets 1201 are radially distributed about the rotation axis. By the arrangement, air can be fed into the disc motor through the air inlet 1201 in all directions, and the whole air flow circulation of the disc motor is realized.
In one embodiment, the air intake area of the second air intake zone 120 is greater than or equal to the air intake area of the first air intake zone 110.
When the stator assembly 11 is connected to the horn of the aircraft, and the first air inlet region 110 is blocked or sealed, a stable heat dissipation effect on the disc motor can be achieved through a larger air inlet amount of the second air inlet region 120.
In one embodiment, the airflow driver is configured as a double-sided inlet turbofan.
The turbine centrifugal fan drives the impeller to rotate by the motor, the blades in the impeller force gas to rotate, the gas does work to increase momentum of the gas, and the gas flow direction of the turbine fan is perpendicular to the rotating shaft of the fan, so that the gas is thrown out around the impeller under the action of centrifugal force.
The centrifugal fan can convert kinetic energy into pressure energy, when the air in the impeller is exhausted, the pressure in the impeller is lower than the pressure in the air inlet pipe, new air can be sucked into the impeller from the first air inlet area 110 and the second air inlet area 120 under the action of pressure difference, and the air is continuously exhausted from the fan.
In this embodiment, the centrifugal fan can guide the airflow entering the first air inlet area 110 and the second air inlet area 120 to the radial direction of the disc motor, so as to realize airflow circulation.
Corresponding with the above embodiment, this application still provides a disk motor and aircraft and embodiment thereof.
The embodiment of the application provides a disk motor, and the disk motor comprises an air cooling structure provided by any one of the embodiments.
The air cooling structure of the disc motor comprises an air flow driving part (not shown in the figure) arranged on the rotor assembly 12, wherein the air flow driving part is provided with an air inlet part and an air outlet part which are arranged along the radial direction of the disc motor; a first air intake area 110 provided at a first side portion 111 of the stator assembly 11, and a second air intake area 120 provided at a second side portion 121 of the rotor assembly 12, the first side portion 111 and the second side portion 121 being arranged to face away from each other in a direction of a rotation axis of the disc motor; the first air inlet area 110 and the second air inlet area 120 are communicated with an air inlet part of the air flow driving part, the air flow driving part is used for guiding air flows of the first air inlet area 110 and the second air inlet area 120 to an air exhaust part along a radial direction, and air is simultaneously fed from two sides through an air cooling structure for feeding air from two sides of the disc type motor, so that the air inlet amount of the disc type motor is increased, the heat dissipation effect of the disc type motor is enhanced, and when air cannot be fed from one side or the air inlet amount is reduced, air can be fed from the other side, and the air cooling stability of the disc type motor is improved.
The embodiment of the application also provides an aircraft, and the aircraft comprises the disc type motor in any embodiment.
The aircraft is equipped with the horn, and the horn is connected with disc motor's stator module, because sheltering from or sealing of horn, probably causes the influence to stator module's intake, and through setting up the air-cooled structure for except from stator module air inlet, can also improve disc motor's radiating effect and air-cooled stability from the rotor module air inlet.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. An air-cooling structure for a disc motor, comprising:
the air flow driving piece is arranged on the rotor assembly and is provided with an air inlet part and an air exhaust part which are arranged along the radial direction of the disc type motor;
the disc type motor comprises a stator assembly, a first air inlet area and a second air inlet area, wherein the stator assembly is arranged on the first side of the stator assembly, the rotor assembly is arranged on the second side of the stator assembly, and the first side and the second side of the stator assembly are arranged oppositely along the direction of a rotating axis of the disc type motor;
the first air inlet area and the second air inlet area are communicated with the air inlet part of the air flow driving piece, and the air flow driving piece is used for guiding air flows of the first air inlet area and the second air inlet area to the air exhaust part along the radial direction and discharging the air flows.
2. The air-cooling structure according to claim 1, wherein:
the air gap structure is arranged in the disc type motor, and the air flow driving piece is arranged adjacent to the air gap structure;
the air gap structure comprises an air path formed along the radial direction of the disc motor, an air inlet part of the air flow driving piece is arranged on the air path and close to one side of a rotating shaft of the disc motor, and an air outlet part of the air flow driving piece is arranged on the air path and far away from one side of the rotating shaft of the disc motor;
the first air inlet area and the second air inlet area are respectively arranged on two sides of the air gap structure and communicated with the air inlet part of the airflow driving piece.
3. An air-cooling structure according to claim 1, wherein:
the stator assembly comprises a stator end cover provided with the first side part, and the rotor assembly comprises a rotor end cover provided with the second side part;
the first air inlet area is arranged on the stator end cover, the second air inlet area is arranged on the rotor end cover, and the air inlet direction of the second air inlet area is along the rotating axis direction of the rotor and is opposite to the air inlet direction of the first air inlet area.
4. An air-cooling structure according to claim 1, wherein:
the second air inlet area is arranged to be annular with the rotating axis of the disc type motor as the center; or
The second air inlet area is provided with a plurality of air inlets which are distributed in an annular array shape.
5. An air-cooled structure according to claim 4, wherein: the air inlet is fan-shaped, and adjacent at least part of air inlet is along perpendicular to the direction equidistance of axis of rotation sets up.
6. An air-cooled structure according to claim 4, wherein: the plurality of air inlets are radially distributed by taking the rotating axis as a center.
7. An air-cooling structure according to claim 1, wherein:
the air inlet area of the second air inlet area is larger than or equal to the air inlet area of the first air inlet area.
8. An air-cooling structure according to claim 1, wherein:
the airflow driving part is configured as a turbo centrifugal fan with double-side air inlet.
9. A disc motor comprising an air-cooled structure according to any one of claims 1 to 8.
10. An aircraft, characterized in that it comprises a disc motor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067583.8U CN216134322U (en) | 2021-08-30 | 2021-08-30 | Air cooling structure, disc type motor and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067583.8U CN216134322U (en) | 2021-08-30 | 2021-08-30 | Air cooling structure, disc type motor and aircraft |
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| CN216134322U true CN216134322U (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122067583.8U Active CN216134322U (en) | 2021-08-30 | 2021-08-30 | Air cooling structure, disc type motor and aircraft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118063A (en) * | 2022-07-27 | 2022-09-27 | 珠海市双捷科技有限公司 | External rotor motor heat radiation structure |
-
2021
- 2021-08-30 CN CN202122067583.8U patent/CN216134322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118063A (en) * | 2022-07-27 | 2022-09-27 | 珠海市双捷科技有限公司 | External rotor motor heat radiation structure |
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