CN211908572U - External rotor motor - Google Patents
External rotor motor Download PDFInfo
- Publication number
- CN211908572U CN211908572U CN202020420649.XU CN202020420649U CN211908572U CN 211908572 U CN211908572 U CN 211908572U CN 202020420649 U CN202020420649 U CN 202020420649U CN 211908572 U CN211908572 U CN 211908572U
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- China
- Prior art keywords
- centrifugal fan
- baffle
- sleeve
- air inlet
- retaining ring
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- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses an external rotor motor, which comprises a rotating shaft, a stator component, an external rotor and a sleeve seat, wherein the stator component comprises a stator core, an end insulation and a coil winding, the sleeve seat comprises a bottom plate and a sleeve which protrudes upwards from the middle of the bottom plate, the external rotor comprises a casing sleeve and a plurality of permanent magnets which are arranged on the inner wall surface of the casing sleeve, a cavity is arranged in the casing sleeve, a flange extends outwards from the opening of the casing sleeve, a centrifugal fan is arranged at the bottom of the flange, an air outlet is arranged between the centrifugal fan and the bottom plate, a labyrinth air inlet is arranged at the top of the casing sleeve, the labyrinth air inlet, the cavity and the air outlet are communicated, air enters the motor from the labyrinth air inlet and then is discharged from the air outlet, when the motor runs, the external rotor rotates to drive the centrifugal fan to rotate together, the air, effectively reduce the winding temperature, the radiating effect is good, guarantees the motor normal operating.
Description
The technical field is as follows:
the utility model relates to an external rotor electric machine.
Background art:
the existing external rotor motor comprises a rotating shaft, a stator component, an external rotor and a sleeve seat, wherein the stator component comprises a stator core, an end part insulator and a coil winding, the sleeve seat comprises a bottom plate and a sleeve which protrudes upwards from the middle of the bottom plate, bearing chambers are arranged at two ends of the sleeve, bearings are arranged in the bearing chambers, the rotating shaft is positioned in the sleeve, two ends of the rotating shaft are respectively supported on the bearings, the external rotor comprises a casing sleeve and a plurality of permanent magnets arranged on the inner wall surface of the casing sleeve, one end of the rotating shaft extends out of the sleeve and is connected with the casing sleeve in an installing way, the stator component is nested and arranged outside the sleeve, the external rotor is sleeved outside the stator component, a flange extends out from an opening of the casing sleeve, a wind wheel is arranged at the bottom of the flange, a plurality of protruding radiating, the motor bottom forms air-out heat radiation structure, because the top is confined, does not have the air inlet design, and the motor is inside to be semi-enclosed construction, and the stator is in the central zone in inside, and the heat that the winding produced is difficult to be dispelled or discharge, and the temperature of winding just is than higher, still can not be to the inside heat formation convection current of motor, and the heat-sinking capability is limited.
The invention content is as follows:
the utility model aims at providing an external rotor electric machine forms air-out heat radiation structure in solving prior art external rotor electric machine bottom, nevertheless because the top is confined, does not have the air inlet design, and the motor is inside to be semi-enclosed structure, still can not be to the inside heat formation convection current of motor, and the heat that the stator produced at the central zone winding of inside is hardly dispelled or is discharged, leads to the higher technical problem of temperature of winding.
The purpose of the utility model is realized by the following technical scheme.
The utility model aims at providing an external rotor motor, which comprises a rotating shaft, a stator component, an external rotor and a sleeve seat, wherein the stator component comprises a stator core, an end insulation and a coil winding, the sleeve seat comprises a bottom plate and a sleeve which protrudes upwards from the middle of the bottom plate, the external rotor comprises a casing sleeve and a plurality of permanent magnets which are arranged on the inner wall surface of the casing sleeve, a cavity is arranged in the casing sleeve, one end of the rotating shaft extends out of the sleeve and is connected with the casing sleeve in an installing way, the stator component is embedded and arranged outside the sleeve, the external rotor is sleeved outside the stator component, a flange extends out from the opening part of the casing sleeve, a centrifugal fan is arranged at the bottom of the flange, and an air outlet is arranged between the centrifugal fan and the bottom plate, the external rotor motor is characterized in that a labyrinth air inlet is arranged at the top of the, when the motor runs, the outer rotor rotates to drive the centrifugal fan to rotate together, and the centrifugal fan extracts air in the motor, so that airflow can directionally circulate in the motor to dissipate heat.
The labyrinth air inlet comprises an end cover and a baffle cover body, the end cover is installed at the top of the casing sleeve, the baffle cover body is installed on the top surface of the end cover, a plurality of air inlet notches are formed in the position, corresponding to the top of the coil winding, of the end cover, a first baffle plate and a second baffle plate are respectively arranged on the outer side and the inner side of each air inlet notch, a third baffle plate is arranged on the top surface of the end cover, the third baffle plate is located on the periphery of the first baffle plate and forms a first groove with the first baffle plate, the baffle cover body comprises a first annular plate and a second annular plate, the first annular plate is connected with a connecting plate arranged on the top end of the second annular plate, the second baffle plate and the second annular plate are sleeved together when the baffle cover body is installed on the end cover, the first annular plate is inserted into the first groove to form a labyrinth air inlet channel.
The height H1 of the third baffle is lower than the height H2 of the first baffle.
The baffle cover body is locked on the end cover through the screw, the bottom end of the second annular plate extends inwards to form a mounting plate, a plurality of first mounting holes are formed in the mounting plate of the baffle cover body, a plurality of second mounting holes corresponding to the first mounting holes of the mounting plate are formed in the end cover, the screw is screwed into the first mounting holes and the second mounting holes, and the baffle cover body is locked on the end cover.
The bottom surface of the end cover is provided with a plurality of first fan blade reinforcing ribs.
The centrifugal fan comprises a centrifugal fan outer ring positioned at the bottom, a plurality of blades are arranged on the centrifugal fan outer ring in the upward circumferential direction, a centrifugal fan inner ring is arranged on the inner side of the centrifugal fan outer ring, the diameter of the centrifugal fan inner ring is smaller than that of the centrifugal fan outer ring, the inner side of the centrifugal fan outer ring is connected with the centrifugal fan inner ring through a plurality of connecting points, an air inlet is formed in a gap between the centrifugal fan inner ring and the centrifugal fan outer ring, a plurality of raised radiating fins are arranged on the bottom plate at the position below the centrifugal fan, an air channel is formed between two adjacent radiating fins, the top of the air channel is shielded by the outer ring of the centrifugal fan, the flange and a plurality of blades form a centrifugal fan, when the outer rotor rotates, the centrifugal fan is driven to rotate, airflow radially enters the air channel and then flows into the gap, and under the action of the plurality of fan blades, the airflow is radially thrown outwards.
The inner side wall of the inner ring of the centrifugal fan is provided with a plurality of blades.
The centrifugal fan inner ring comprises a top plate and a first retaining ring and a second retaining ring protruding downwards from the top plate, a groove is formed between the first retaining ring and the second retaining ring, the bottom plate protrudes upwards to form an inner water retaining ring and an outer water retaining ring, the inner water retaining ring and the outer water retaining ring are located on the periphery of the sleeve, a water storage tank is formed between the inner water retaining ring and the outer water retaining ring, the top of the inner water retaining ring is embedded into the groove, the second retaining ring is inserted into the water storage tank, and a labyrinth air outlet is formed between the centrifugal fan and the bottom plate.
And a plurality of second fan blade reinforcing ribs are arranged on the end surface of the bottom plate.
The outer water retaining ring is provided with a plurality of notches, and the outer sides of the notches are provided with shielding plates.
Compared with the prior art, the utility model, following effect has:
1) the utility model comprises a rotating shaft, a stator component, an outer rotor and a sleeve seat, wherein the stator component comprises a stator core, an end insulation and a coil winding, the sleeve seat comprises a bottom plate and a sleeve which protrudes upwards from the middle of the bottom plate, the outer rotor comprises a casing sleeve and a plurality of permanent magnets which are arranged on the inner wall surface of the casing sleeve, a cavity is arranged in the casing sleeve, a flange extends outwards from the opening of the casing sleeve, a centrifugal fan is arranged at the bottom of the flange, and an air outlet is arranged between the centrifugal fan and the bottom plate, the utility model is characterized in that a labyrinth air inlet is arranged at the top of the casing sleeve, the labyrinth air inlet, the cavity and the air outlet are communicated, air enters the motor from the labyrinth air inlet and then is discharged from the air outlet, when the motor runs, the outer rotor rotates to drive the centrifugal fan to rotate, effectively reduce the winding temperature, the radiating effect is good, guarantees the motor normal operating.
2) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a partial exploded view of the present invention;
fig. 3 is another angle partial structure exploded view of the present invention;
fig. 4 is a schematic structural diagram of the present invention;
fig. 5 is another angle structure diagram of the present invention;
fig. 6 is a top view of the present invention;
FIG. 7 is a cross-sectional view A-A of FIG. 6;
fig. 8 is a partial enlarged view of B in fig. 7;
FIG. 9 is an enlarged view of a portion C of FIG. 7;
fig. 10 is a schematic structural view of the end cap of the present invention;
fig. 11 is a schematic view of the flow direction of the air stream in the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
As shown in fig. 1 to 11, the embodiment provides an external rotor motor, which includes a rotating shaft 1, a stator assembly 2, an external rotor 3, and a sleeve seat 4, wherein the stator assembly 2 includes a stator core 21, an end insulator 22, and a coil winding 23, the sleeve seat 4 includes a bottom plate 41, and a sleeve 42 protruding upward from the middle of the bottom plate 41, the external rotor 3 includes a casing sleeve 31 and a plurality of permanent magnets 32 installed on the inner wall surface of the casing sleeve 31, a cavity 310 is provided in the casing sleeve 31, one end of the rotating shaft 1 extends out of the sleeve 42 to be installed and connected with the casing sleeve 31, the stator assembly 2 is nested and installed outside the sleeve 42, the external rotor 3 is sleeved outside the stator assembly 2, a flange 33 extends out from an opening of the casing sleeve 31, a centrifugal fan 5 is installed at the bottom of the flange 33, an air outlet 400 is provided between the centrifugal fan 5 and the bottom, the labyrinth air inlet 300, the cavity 310 and the air outlet 400 are communicated, air enters the motor from the labyrinth air inlet 300 and then is discharged from the air outlet 400, when the motor runs, the outer rotor 3 rotates to drive the centrifugal fan 5 to rotate together, and the centrifugal fan 5 extracts air in the motor, so that airflow is directionally circulated and radiated in the motor.
The labyrinth air inlet 300 comprises an end cover 301 and a baffle cover body 302, the end cover 301 is installed on the top of the casing sleeve 31, the baffle cover body 302 is installed on the top surface 3014 of the end cover 301, a plurality of air inlet notches 3011 are arranged at the positions, corresponding to the upper part of the coil winding 23, of the end cover 301, a first baffle 3012 and a second baffle 3013 are respectively arranged at the outer side and the inner side of the air inlet notches 3011, a third baffle 3015 is arranged on the top surface 3014 of the end cover 301, the third baffle 3015 is positioned at the periphery of the first baffle 3012 and forms a first groove 3016 with the first baffle 3012, the baffle cover body 302 comprises a first annular plate 3021 and a second annular plate 3022, the top ends of the first annular plate 3021 and the second annular plate 3022 are provided with a connecting plate 3023, the second baffle 3013 and the second annular plate 3022 are sleeved together when the baffle cover body 302 is installed on the end cover 301, the first annular 3021 is inserted into the first groove 3016 to form a labyrinth air inlet channel 3017, the connecting plate 3023 covers the air inlet 3011, and effectively prevents rainwater at the air inlet from entering.
The height H1 of third baffle 3015 is less than the height H2 of first baffle 3012, prevents effectively that the rainwater from getting into inside the motor, and water-proof effects is good.
The baffle cover body 302 is locked on the end cover 301 through a screw, a mounting plate 3024 extends inwards from the bottom end of the second annular plate 3022, a plurality of first mounting holes 3025 are formed in the mounting plate 3024 of the baffle cover body 302, a plurality of second mounting holes 3018 corresponding to the plurality of first mounting holes 3025 of the mounting plate 3024 are formed in the end cover 301, the screw is screwed into the first mounting holes and the second mounting holes, and the baffle cover body 302 is locked on the end cover 301.
The bottom surface 3019 of the end cover 301 is provided with a plurality of first fan blade reinforcing ribs 6, which can directly cool the winding with the air entering from the outside, and can also accelerate the air to flow toward the other end, so that the heat dissipation effect is good.
The centrifugal fan 5 comprises a centrifugal fan outer ring 51 positioned at the bottom, a plurality of blades 52 are arranged on the centrifugal fan outer ring 51 in the upward circumferential direction, a centrifugal fan inner ring 53 is arranged on the inner side of the centrifugal fan outer ring 51, the diameter of the centrifugal fan inner ring 53 is smaller than that of the centrifugal fan outer ring 51, the inner side of the centrifugal fan outer ring 51 is connected with the centrifugal fan inner ring 53 through a plurality of connecting points, a gap 55 between the centrifugal fan inner ring 53 and the centrifugal fan outer ring 51 forms an air inlet, a plurality of raised heat dissipation fins 411 are arranged on the bottom plate 41 at the position below the centrifugal fan 5, an air channel 412 is formed between two adjacent heat dissipation fins 411, the centrifugal fan outer ring 51 shields the top of the air channel 412, the centrifugal fan outer ring 51, the flange 33 and the plurality of blades 52 form a centrifugal fan, when the outer rotor 3 rotates, the centrifugal, then flows into the gap 55 and is radially thrown outwards under the action of the fan blades 52, so that the heat inside the motor is discharged, and an effective heat dissipation effect is achieved.
The inner side wall of the inner ring 53 of the centrifugal fan is provided with the plurality of blades 59, so that the flowability of air flow in the motor is improved, and the heat dissipation effect in the motor is improved.
The centrifugal fan inner ring 53 comprises a top plate 531, a first retaining ring 532 and a second retaining ring 533 which protrude downwards from the top plate 531, a second groove 534 is formed between the first retaining ring 532 and the second retaining ring 533, the bottom plate 41 protrudes upwards to form an inner water retaining ring 43 and an outer water retaining ring 44, the inner water retaining ring 43 and the outer water retaining ring 44 are located on the periphery of the sleeve 42, a water storage groove 45 is formed between the inner water retaining ring 43 and the outer water retaining ring 44, the top of the inner water retaining ring 43 is embedded into the second groove 534, the second retaining ring 533 is inserted into the water storage groove 45, a labyrinth air outlet 400 is formed between the centrifugal fan and the bottom plate, the water resistance is good, and the performance of a product is guaranteed.
The end face of the bottom plate 41 is provided with a plurality of second fan blade reinforcing ribs 46, so that the internal heat dissipation effect of the motor is improved.
A plurality of gaps 441 are arranged on the outer water retaining ring 44, and a shielding plate 47 is arranged outside the gaps 441 to prevent external water drops from entering the water storage tank 45 through the gaps 441.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (10)
1. An outer rotor motor comprises a rotating shaft (1), a stator assembly (2), an outer rotor (3) and a sleeve seat (4), wherein the stator assembly (2) comprises a stator core (21), an end part insulator (22) and a coil winding (23), the sleeve seat (4) comprises a bottom plate (41) and a sleeve (42) which protrudes upwards from the middle of the bottom plate (41), the outer rotor (3) comprises a casing sleeve (31) and a plurality of permanent magnets (32) arranged on the inner wall surface of the casing sleeve (31), a cavity (310) is arranged in the casing sleeve (31), one end of the rotating shaft (1) extends out of the sleeve (42) and is connected with the casing sleeve (31) in an installing way, the stator assembly (2) is arranged outside the sleeve (42) in a nesting mode, the outer rotor (3) is arranged outside the stator assembly (2) in a sleeving mode, a flange (33) extends out from an opening of the casing sleeve (31), a, an air outlet (400) is arranged between the centrifugal fan (5) and the bottom plate (41), and the air-cooling fan is characterized in that a labyrinth air inlet (300) is arranged at the top of the shell sleeve (31), the labyrinth air inlet (300), the cavity (310) and the air outlet (400) are communicated, air enters the motor from the labyrinth air inlet (300) and then is discharged from the air outlet (400), when the motor runs, the outer rotor (3) rotates to drive the centrifugal fan (5) to rotate together, and the centrifugal fan (5) extracts air in the motor, so that the air flow is directionally circulated and radiated in the motor.
2. The external rotor electric machine according to claim 1, wherein: the labyrinth type air inlet (300) comprises an end cover (301) and a baffle cover body (302), the end cover (301) is installed at the top of a casing sleeve (31), the baffle cover body (302) is installed on the top surface (3014) of the end cover (301), a plurality of air inlet notches (3011) are formed in the position, corresponding to the upper portion of a coil winding (23), of the end cover (301), a first baffle (3012) and a second baffle (3013) are respectively arranged on the outer side and the inner side of each air inlet notch (3011), a third baffle (3015) is arranged on the top surface (3014) of the end cover (301), the third baffle (3015) is located on the periphery of the first baffle (3012) and forms a first groove (3016) with the first baffle (3012), the baffle cover body (302) comprises a first annular plate (3021) and a second annular plate (3022), the top ends of the first annular plate (3021) and the second annular plate (3022) are provided with a connecting plate (3023) which are connected, when the baffle (302) is installed on the end cover body (301), the first annular plate (3021) is inserted into the first groove (3016) to form a labyrinth air inlet channel (3017), the labyrinth air inlet channel (3017) is communicated with the air inlet notch (3011), and the air inlet notch (3011) is covered by the connecting plate (3023).
3. The external rotor electric machine according to claim 2, wherein: the height H1 of the third baffle (3015) is lower than the height H2 of the first baffle (3012).
4. An external rotor electric machine according to claim 2 or 3, wherein: the baffle cover body (302) is locked on the end cover (301) through a screw, a mounting plate (3024) extends inwards from the bottom end of the second annular plate (3022), a plurality of first mounting holes (3025) are formed in the mounting plate (3024) of the baffle cover body (302), a plurality of second mounting holes (3018) corresponding to the first mounting holes (3025) of the mounting plate (3024) are formed in the end cover (301), and the screw is screwed into the first mounting holes (3025) and the second mounting holes (3018), so that the baffle cover body (302) is locked on the end cover (301).
5. The external rotor electric machine according to claim 4, wherein: the bottom surface (3019) of the end cover (301) is provided with a plurality of first fan blade reinforcing ribs (6).
6. The external rotor electric machine according to claim 4, wherein: the centrifugal fan (5) comprises a centrifugal fan outer ring (51) located at the bottom, a plurality of fan blades (52) are arranged on the centrifugal fan outer ring (51) in the upward circumferential direction, a centrifugal fan inner ring (53) is arranged on the inner side of the centrifugal fan outer ring (51), the diameter of the centrifugal fan inner ring (53) is smaller than that of the centrifugal fan outer ring (51), the inner side of the centrifugal fan outer ring (51) is connected with the centrifugal fan inner ring (53) through a plurality of connecting points, an air inlet is formed in a gap (55) between the centrifugal fan inner ring (53) and the centrifugal fan outer ring (51), a plurality of protruding radiating fins (411) are arranged on a bottom plate (41) at the position below the centrifugal fan (5), an air channel (412) is formed between every two adjacent radiating fins (411), the top of the air channel (412) is shielded by the centrifugal fan outer ring (51), and a flange (33), The plurality of fan blades (52) form a centrifugal fan, when the outer rotor (3) rotates, the centrifugal fan (5) is driven to rotate, airflow radially enters the air channel (412), then flows into the gap (55), and is radially thrown outwards under the action of the plurality of fan blades (52).
7. The external rotor electric machine according to claim 6, wherein: the inner side wall of the centrifugal fan inner ring (53) is provided with a plurality of blades (59).
8. The external rotor electric machine according to claim 7, wherein: the centrifugal fan inner ring (53) comprises a top plate (531), a first retaining ring (532) and a second retaining ring (533) which protrude downwards from the top plate (531), a second groove (534) is formed between the first retaining ring (532) and the second retaining ring (533), an inner water retaining ring (43) and an outer water retaining ring (44) protrude upwards from a bottom plate (41), the inner water retaining ring (43) and the outer water retaining ring (44) are located on the periphery of a sleeve (42), a water storage tank (45) is formed between the inner water retaining ring (43) and the outer water retaining ring (44), the top of the inner water retaining ring (43) is embedded into the second groove (534), the second retaining ring (533) is inserted into the water storage tank (45), and a labyrinth air outlet (400) is formed between the centrifugal fan (5) and the bottom plate (41).
9. The external rotor electric machine according to claim 8, wherein: the end surface of the bottom plate (41) is provided with a plurality of second fan blade reinforcing ribs (46).
10. The external rotor electric machine according to claim 9, wherein: a plurality of notches (441) are arranged on the outer water retaining ring (44), and a baffle plate (47) is arranged outside the notches (441).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020420649.XU CN211908572U (en) | 2020-03-28 | 2020-03-28 | External rotor motor |
| PCT/CN2020/112436 WO2021196516A1 (en) | 2020-03-28 | 2020-08-31 | External rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020420649.XU CN211908572U (en) | 2020-03-28 | 2020-03-28 | External rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211908572U true CN211908572U (en) | 2020-11-10 |
Family
ID=73274205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020420649.XU Active CN211908572U (en) | 2020-03-28 | 2020-03-28 | External rotor motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211908572U (en) |
| WO (1) | WO2021196516A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092963A1 (en) * | 2021-11-24 | 2023-06-01 | 卧龙电气驱动集团股份有限公司 | Outer rotor motor |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114257043B (en) * | 2021-12-20 | 2024-06-11 | 张家港华捷电子有限公司 | High-strength side-entry wind turbine blade applied to outer rotor motor of snowplow |
| CN114337057B (en) * | 2022-01-20 | 2022-10-25 | 上海大速科技有限公司 | Low-voltage high-power motor |
| CN114679011B (en) * | 2022-03-17 | 2023-12-19 | 中车永济电机有限公司 | Light-weight totally-enclosed motor rotor heat radiation structure |
| CN115833479B (en) * | 2022-11-16 | 2023-07-18 | 南昌三瑞智能科技有限公司 | Brushless motor heat abstractor brushless motor |
| CN116760235B (en) * | 2023-06-28 | 2024-05-03 | 京马电机有限公司 | Temperature control protection outer rotor motor for desk type smoke machine and protection method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4337669B2 (en) * | 2004-07-13 | 2009-09-30 | 株式会社デンソー | Electric blower fan device for vehicles |
| US20110273038A1 (en) * | 2010-05-07 | 2011-11-10 | Robert Bosch Gmbh | Motor ring and splash shield arrangement for a fan assembly |
| CN202103534U (en) * | 2011-06-09 | 2012-01-04 | 上海鑫力奥闻电动机有限公司 | Integral ventilation structure of motor |
| KR102048851B1 (en) * | 2018-07-04 | 2019-11-26 | 두산중공업 주식회사 | Sealing structure of marginal area of fan in the generator |
| CN209233661U (en) * | 2018-12-17 | 2019-08-09 | 中山大洋电机股份有限公司 | A kind of external rotor electric machine |
-
2020
- 2020-03-28 CN CN202020420649.XU patent/CN211908572U/en active Active
- 2020-08-31 WO PCT/CN2020/112436 patent/WO2021196516A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092963A1 (en) * | 2021-11-24 | 2023-06-01 | 卧龙电气驱动集团股份有限公司 | Outer rotor motor |
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| Publication number | Publication date |
|---|---|
| WO2021196516A1 (en) | 2021-10-07 |
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