CN220822783U - Air guide assembly for cooling motor and motor - Google Patents
Air guide assembly for cooling motor and motor Download PDFInfo
- Publication number
- CN220822783U CN220822783U CN202322566000.5U CN202322566000U CN220822783U CN 220822783 U CN220822783 U CN 220822783U CN 202322566000 U CN202322566000 U CN 202322566000U CN 220822783 U CN220822783 U CN 220822783U
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- motor
- air
- cooling
- air guide
- rotor
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- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract 2
- 238000009423 ventilation Methods 0.000 claims description 23
- 238000004804 winding Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides an air guide assembly for cooling a motor and the motor, and relates to the technical field of motors. According to the motor, the air deflector with the notch is arranged in the motor and is connected to the shell at one side of the axial direction of the stator and the rotor, the diameter of the air deflector is smaller than that of the stator and larger than that of the rotor, so that the air deflector is arranged at the peripheral side of the rotor in the radial direction of the motor, cooling air is divided by the air deflector, a part of cooling air is blown into the air deflector along the notch to cool the rotor and the winding, and a part of cooling air is blown out of the air deflector to cool the surface of the stator, the heat dissipation and cooling effects of the motor are improved, and the service life of the motor is prolonged.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to an air guide assembly for cooling a motor and the motor.
Background
The motor generally comprises rotor, stator, winding, radiator fan and casing, and the rotor can produce a large amount of heat at rotatory in-process, and the vent has been seted up to the casing upper surface, and the through-hole has been seted up on one side of stator and rotor to the casing, and the wind accessible vent and the through-hole that radiator fan blown out cool off inside the motor, but most cold wind can pass through from the stator surface, can't cool off the rotor, leads to the motor cooling effect relatively poor, influences the life of motor.
Disclosure of utility model
The utility model aims to solve the problem of improving the heat dissipation effect of a motor.
The utility model provides an air guide assembly for cooling a motor, which comprises an annular air guide plate, wherein the air guide plate is arranged in an inner cavity of the motor and is connected to a machine shell at one side of the axial direction of a rotor, the air guide plate is arranged coaxially with the rotor, the diameter of the air guide plate is smaller than that of a stator and larger than that of the rotor, a notch is formed in the air guide plate, and the notch is at least communicated with a ventilation opening part of the motor.
Optionally, the angle of the notch corresponding to the center of the air deflector is 28-32 degrees.
Optionally, the diameter of the air deflector is 19 to 21mm larger than the diameter of the rotor.
Optionally, the air deflector is used for being connected with the casing through bolts.
Optionally, the air guide assembly for cooling the motor further comprises bolts, a plurality of connecting plates are uniformly distributed on the periphery of the air guide plate, threaded holes are formed in positions, corresponding to the casing, of the connecting plates, and the bolts penetrate through the threaded holes in the connecting plates and the casing.
Optionally, guide plates are arranged at two ends of the notch, one end of each guide plate is connected with the outer surface of the periphery of the air deflector, and the other end of each guide plate is inclined towards the direction away from the circle center of the air deflector.
Compared with the prior art, the air guide assembly for cooling the motor has the beneficial effects that:
According to the utility model, the air deflector is arranged in the motor, the air deflector is of an annular structure, the air deflector is also provided with a notch, the motor ventilation opening is at least partially communicated with the notch, the air blown by the cooling fan is divided by the air deflector, one part of the air deflector is blown into the air deflector along the notch, the other part of the air deflector is blown out of the air deflector, the air deflector is connected to the shell positioned at one axial side of the stator and the rotor, the shell is provided with the through hole, the diameter of the air deflector is smaller than that of the stator and larger than that of the rotor, so that the air deflector is arranged at the circumferential side of the rotor in the radial direction of the motor, namely aligned with the side wall of the stator, and thus, the air blown out of the air deflector can circulate along the gap between the through hole and the stator to cool the surface of the stator, and the air blown into the rotor to cool the rotor and the winding.
In addition, in order to solve the problems, the utility model also provides a motor, which comprises the motor cooling air guide assembly.
Compared with the prior art, the motor has the advantages that the motor has the same advantages as the motor cooling air guide assembly, and the motor cooling air guide assembly is not repeated.
Optionally, the casing of motor is equipped with the motor vent, the motor vent includes first vent and second vent, the second vent with the breach intercommunication of wind-guiding subassembly is used in motor cooling.
Optionally, the motor further comprises a first air cooler and a second air cooler, an air outlet of the first air cooler is communicated with the first ventilation opening, and an air outlet of the second air cooler is communicated with the second ventilation opening.
Optionally, two sides of the second ventilation opening are aligned with two guide plates of the motor cooling air guide assembly.
Drawings
FIG. 1 is a schematic diagram of a cooling air guide assembly for a motor according to an embodiment of the present utility model;
fig. 2 is a second schematic structural diagram of an air guiding assembly for cooling a motor according to an embodiment of the present utility model.
Reference numerals illustrate:
11-air deflectors; 12-notch; 13-connecting plates; 14-a threaded hole; 15-a guide plate; 2-a casing; 3-stator; 4-rotor; 51-a first vent; 52-second vent.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer", etc. are used for convenience of describing the present utility model only based on the directions or positional relationships shown in the drawings, and are not meant to indicate or imply that the apparatus must have a specific orientation, be configured and manipulated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present utility model.
The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Moreover, while the utility model has been described with reference to specific embodiments, it should be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways not otherwise described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
In order to solve the above problems, as shown in fig. 1 and 2, the present utility model provides an air guiding assembly for cooling a motor, which comprises an annular air guiding plate 11, wherein the air guiding plate 11 is arranged in a motor cavity and is connected to a casing 2 at one axial side of a rotor 4, the air guiding plate 11 is arranged coaxially with the rotor 4, the diameter of the air guiding plate 11 is smaller than that of a stator 3 and larger than that of the rotor 4, a notch 12 is formed in the air guiding plate 11, and the notch 12 is at least partially communicated with a motor ventilation opening.
In this embodiment, through setting up aviation baffle 11 in the motor inside, and aviation baffle 11 is annular structure, still be equipped with breach 12 on the aviation baffle 11, motor vent at least part and breach 12 intercommunication, the wind that radiator fan blew out is cut apart by aviation baffle 11 after entering motor vent, in partly blow aviation baffle 11 along breach 12, partly blow outside aviation baffle 11, aviation baffle 11 is connected on being located stator 3 and rotor 4 axial one side's casing 2, still set up the through-hole on the casing 2, wind after getting into from the motor vent flows along axial stator 3 and rotor 4 axial and finally flows out the motor from the through-hole. The diameter of the air deflector 11 is smaller than that of the stator 3 and larger than that of the rotor 4, so that the air deflector 11 is arranged on the periphery of the rotor 4 in the radial direction of the motor, namely aligned with the side wall of the stator 3, and therefore wind blown to the outer side of the air deflector 11 can circulate along a gap between the through hole and the stator 3 to cool the outer surface of the stator 3, and wind blown to the inner side of the air deflector 11 can blow to the rotor 4 to cool the rotor 4 and the winding.
Optionally, the angle of the notch 12 corresponding to the center of the air deflector 11 is 28 ° to 32 °.
In this embodiment, by setting the angle of the notch 12 corresponding to the center of the air deflector 11 between 28 ° and 32 °, that is, the central angle corresponding to the arc length of the notch 12 is between 28 ° and 32 °, the optimal value can be 30 °, the angle is convenient for pouring cold air into the air deflector 11, so that the situation that the air quantity entering the air deflector 11 along the notch 12 is too small due to too small notch 12 is avoided, and the situation that the air guiding effect cannot be achieved due to too large notch 12 is also avoided.
Alternatively, the diameter of the air deflector 11 is 19 to 21mm larger than the diameter of the rotor 4.
In this embodiment, by setting the diameter of the air deflector 11 to be 19 to 21 mm larger than the diameter of the rotor 4, the optimum value may be 20 mm, so that the air quantity entering the inside of the air deflector 11 is controlled, and sufficient air is introduced into the inside of the air deflector 11 to cool the rotor 4 and the windings.
Optionally, the air deflector 11 is used for bolting with the housing 2.
In the embodiment, the air deflector 11 is connected with the casing 2 through bolts, so that the bolt connection structure is stable and is not easy to fall off, and the connection stability of the air deflector 11 and the casing 2 is improved.
Optionally, as shown in fig. 1 and fig. 2, the air guide assembly for cooling the motor further includes bolts, a plurality of connecting plates 13 are uniformly distributed on the periphery of the air guide plate 11, threaded holes 14 are formed in positions of the connecting plates 13 corresponding to the casing 2, and the bolts penetrate through the threaded holes 14 on the connecting plates 13 and the casing 2.
In this embodiment, a plurality of connection plates 13, for example, four or five connection plates 13 are uniformly distributed on the periphery of the air deflector 11, threaded holes 14 are formed in the connection plates 13, corresponding threaded holes 14 are formed in the casing 2 corresponding to the connection plates 13, bolts penetrate through the connection plates 13 and the threaded holes 14 in the casing 2, and the connection plates 13 and the casing 2 are connected together, i.e., the air deflector 11 and the casing 2 are connected together.
Alternatively, as shown in fig. 1 and fig. 2, two ends of the notch 12 are provided with guide plates 15, one end of each guide plate 15 is connected with the outer surface of the circumferential side of the air deflector 11, and the other end of each guide plate 15 is inclined towards the direction away from the center of the air deflector 11.
In this embodiment, through setting up deflector 15 in the breach 12 both sides of aviation baffle 11, deflector 15 one end is connected with aviation baffle 11 week side surface, and the other end is to keeping away from the centre of a circle direction slope of aviation baffle 11, and deflector 15 passes through the centre of a circle of aviation baffle 11 at the extension line of its aviation baffle 11 radial plane projection, has set up the ability that deflector 15 further promoted the air guide, is convenient for divide into two with the cooling air, makes the cooling air can blow in the aviation baffle 11 along breach 12 to cool off rotor 4 and winding, and partly blows outside aviation baffle 11 to cool off stator 3 surface.
An electric motor according to another embodiment of the present utility model includes the above-described air guide assembly for cooling an electric motor.
Compared with the prior art, the beneficial effects of the motor in this embodiment are substantially the same as those of the air guide assembly for cooling the motor, and are not described herein.
Optionally, as shown in fig. 1, the housing of the motor is provided with a motor ventilation opening, the motor ventilation opening comprises a first ventilation opening 51 and a second ventilation opening 52, and the second ventilation opening 52 is communicated with the notch 12 of the air guiding assembly for cooling the motor.
In this embodiment, the ventilation opening formed on the upper surface of the motor casing 2 is divided into the first ventilation opening 51 and the second ventilation opening, the first ventilation opening 51 and the second ventilation opening 52 are arranged in parallel, the cooling air is divided into two paths in advance, the second ventilation opening 52 is communicated with the notch 12, the air blown into the motor from the second ventilation opening 52 is convenient to flow to the inner side of the air deflector 11 directly so as to cool the rotor 4 and the winding, and the air blown into the motor from the first ventilation opening 51 is convenient to flow to the outer side of the air deflector 11 directly so as to cool the surface of the stator 3.
Optionally, the motor further includes a first air cooler and a second air cooler, an air outlet of the first air cooler is communicated with the first ventilation opening 51, and an air outlet of the second air cooler is communicated with the second ventilation opening 52.
In this embodiment, by providing the first air cooler and the second air cooler, corresponding to the first air vent 51 and the second air vent 52, the air outlet of the first air cooler is communicated with the first air vent 51, the air outlet of the second air cooler is communicated with the second air vent 52, the air blown by the first air cooler directly blows to the outside of the air deflector 11 through the first air vent 51 to cool the surface of the stator 3, and the air blown by the second air cooler directly blows to the inside of the air deflector 11 through the second air vent 52 to cool the rotor 4 and the windings.
Specifically, the air cooler may also be a radiator fan.
Alternatively, as shown in fig. 1, both sides of the second ventilation opening 52 are aligned with both guide plates 15 of the motor cooling air guide assembly.
In the present embodiment, by aligning both sides of the second air vent 52 with the two guide plates 15 on both sides of the notch 12, it is convenient to let the cold air blown into the inside of the motor from the second air vent 52 enter the inside of the air guide plate 11 along the two guide plates 15, thereby cooling the rotor 4 and the windings.
Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.
Claims (10)
1. The utility model provides a motor cooling is with wind-guiding subassembly, its characterized in that, includes annular aviation baffle (11), aviation baffle (11) are used for setting up at the motor inner chamber, connect on casing (2) of rotor (4) axial one side, aviation baffle (11) be used for with rotor (4) coaxial setting, aviation baffle (11) diameter is less than stator (3) diameter, is greater than rotor (4) diameter, notch (12) have been seted up on aviation baffle (11), notch (12) are used for at least with motor vent part intercommunication.
2. The air guide assembly for cooling a motor according to claim 1, wherein the angle of the notch (12) with respect to the center of the air guide plate (11) is 28 ° to 32 °.
3. The air guide assembly for cooling a motor according to claim 1, wherein the diameter of the air guide plate (11) is 19 to 21mm larger than the diameter of the rotor (4).
4. The air guide assembly for cooling a motor according to claim 1, wherein the air guide plate (11) is used for being connected with the casing (2) through bolts.
5. The air guide assembly for cooling the motor according to claim 4, further comprising bolts, wherein a plurality of connecting plates (13) are uniformly distributed on the periphery of the air guide plate (11), threaded holes (14) are formed in positions, corresponding to the machine shell (2), of the connecting plates (13), and the bolts penetrate through the threaded holes (14) in the connecting plates (13) and the machine shell (2).
6. The air guide assembly for cooling the motor according to claim 1, wherein guide plates (15) are arranged at two ends of the notch (12), one end of each guide plate (15) is connected with the peripheral outer surface of the air guide plate (11), and the other end of each guide plate (15) is inclined towards the direction away from the center of the air guide plate (11).
7. An electric machine comprising the air guide assembly for cooling an electric machine according to any one of claims 1 to 6.
8. The electric machine according to claim 7, characterized in that the housing of the electric machine is provided with a motor vent comprising a first vent (51) and a second vent (52), the second vent (52) being in communication with the gap (12) of the motor cooling air guide assembly.
9. The electric machine of claim 8, further comprising a first air cooler having an air outlet in communication with the first vent (51) and a second air cooler having an air outlet in communication with the second vent (52).
10. The electric machine according to claim 8, characterized in that the second ventilation openings (52) are aligned on both sides with the two guide plates (15) of the motor cooling air guide assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566000.5U CN220822783U (en) | 2023-09-20 | 2023-09-20 | Air guide assembly for cooling motor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566000.5U CN220822783U (en) | 2023-09-20 | 2023-09-20 | Air guide assembly for cooling motor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220822783U true CN220822783U (en) | 2024-04-19 |
Family
ID=90699079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322566000.5U Active CN220822783U (en) | 2023-09-20 | 2023-09-20 | Air guide assembly for cooling motor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220822783U (en) |
-
2023
- 2023-09-20 CN CN202322566000.5U patent/CN220822783U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |