CN110460197A - Rotor baffle and motor - Google Patents
Rotor baffle and motor Download PDFInfo
- Publication number
- CN110460197A CN110460197A CN201910796929.2A CN201910796929A CN110460197A CN 110460197 A CN110460197 A CN 110460197A CN 201910796929 A CN201910796929 A CN 201910796929A CN 110460197 A CN110460197 A CN 110460197A
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- China
- Prior art keywords
- rotor
- face
- stop plate
- motor
- segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000012809 cooling fluid Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The application provides a rotor baffle and a motor, which comprise a plate body, an overflowing channel (13) arranged on the plate body and a plurality of fan blades (14) arranged in the overflowing channel (13); the fan blade (14) comprises a first section (141) and a second section (142), an included angle is formed between the first section (141) and the second section (142), the rotor baffle (1) rotates along with the rotor (2), and the fan blade (14) is used for guiding cooling fluid to the opposite side from one side of the rotor baffle (1). The rotor baffle provided by the embodiment of the invention can accelerate the gas circulation speed in the motor, improve the cooling efficiency and reduce the temperature rise of the motor.
Description
Technical field
The application belongs to technical field of motors, and in particular to a kind of rotor stop plate, motor.
Background technique
Existing motor is cooled down using the casing surface type of cooling, and the heat generated in motor passes through air in motor
It is transmitted to casing surface, casing surface is cooled down by the cooling fan and outside air of motor tail portion, this cooling side
Formula causes motor to be unable to get good heat dissipation far from one end of radiator fan, one end temperature rise of the motor far from radiator fan compared with
Height, and then easily lead to motor damage.
Summary of the invention
Therefore, the application technical problems to be solved are to provide a kind of rotor stop plate, motor, can accelerate inside motor
Gas circulation rate improves cooling efficiency, reduces the temperature rise of motor.
To solve the above-mentioned problems, the application provides a kind of rotor stop plate, including plate body, the mistake being arranged on the plate body
Circulation road and the multiple fan blades being arranged in the flow channels;
The fan blade includes first segment and second segment, and the first segment and the second segment form angle, the rotor gear
Plate is rotated with rotor, and the fan blade is used to cooling fluid being drained to opposite side from the side of the rotor stop plate.
Preferably, the rotor stop plate includes inner disc and outer ring, and the flow channels are located at the inner disc and the outer ring
Between.
Preferably, the first segment stretches out the plane where the outer ring.
Preferably, the second segment reverses from one end of the inner disc to the other end of the inner disc and extends, and described second
Section includes the first end face and second end face being oppositely arranged, and the first end face connects with the first segment.
Preferably, the second segment further includes the third end face and the 4th end face being oppositely arranged, the third end face and institute
Second end face to be stated to connect to forming the first corner, the 4th end face connects to forming the second corner with the second end face, and described
One corner is connected on the inner disc, and second corner is connected on the outer ring.
Preferably, the midpoint A1 of the intersection of the first end face and the third end face, the first end face and described the
The midpoint of the intersection of four end faces is that the line of A2, A1 and A2 are L1, in the intersection of the second end face and the third end face
The midpoint of the intersection of point B1, the second end face and the 4th end face is that the line of B2, B1 and AB are L2, L1 and L2 described
Inner disc the angle of projection planar not less than 30 ° and be not more than 70 °.
Preferably, the second end face the plate body it is planar long along the projection in the radial direction of the plate body
L3 is spent, the plate body has ring structure, and the ring width of the plate body is L4, and L3 is not less than the one third of L4.
Preferably, the second segment of the adjacent fan blade is mutually stacked, mutually shape between two stacked second segments
At circulation passage.
Preferably, width of the fan blade close to one end of the inner disc is greater than the width close to one end of the outer ring.
Preferably, dynamic balancing preformed hole is circumferentially evenly arranged on the plate body.
Another aspect of the present invention provides a kind of motor, including above-mentioned rotor stop plate.
Preferably, the motor includes rotor and radiator fan, and the rotor stop plate includes the first rotor baffle, and described turn
Sub to be coaxially disposed with the first rotor baffle, the first rotor baffle is located at one of the rotor far from the radiator fan
End.
Preferably, the rotor stop plate further includes the second rotor stop plate, and the rotor and second rotor stop plate are coaxial
Setting, second rotor stop plate are located at the rotor close to one end of the radiator fan, the first rotor baffle and institute
The air draft direction for stating the second rotor stop plate is identical.
Preferably, the motor includes stator, and the yoke portion of the stator is provided with yoke portion through flow hole, and the rotor includes magnetic
Steel and magnetic slot have circulation gap, the flow channels of the first rotor baffle, the stream between the magnet steel and magnetic slot
Straight joint gap, the flow channels of second rotor stop plate and yoke portion through flow hole form a part of cooling circuit.
Beneficial effect
A kind of rotor stop plate provided in the embodiment of the present invention can accelerate motor internal gas circulation speed, mention
High cooling efficiency reduces the temperature rise of motor.
Detailed description of the invention
Fig. 1 is the main view of the embodiment of the present application;
Fig. 2 is the rear view three-dimensional structure of the embodiment of the present application;
Fig. 3 is the cross section structure schematic diagram of the embodiment of the present application;
Fig. 4 is the structural schematic diagram of the fan blade of the embodiment of the present application;
Fig. 5 is the structural schematic diagram of the second segment of the fan blade of the embodiment of the present application;
Fig. 6 is the half sectional view of the rotor stop plate of the embodiment of the present application;
Fig. 7 is the cross-sectional view of the motor of the embodiment of the present application.
Appended drawing reference indicates are as follows:
1, rotor stop plate;11, outer ring;12, inner disc;13, flow channels;14, fan blade;141, first segment;142, second segment;
1421, first end face;1422, second end face;1423, third end face;1424, the 4th end face;1425, the first corner;1426,
Two corners;15, dynamic balancing preformed hole;16, mounting hole;17, rotary shaft through hole;2, rotor;21, circulation gap;L3, fan blade are in plate body
Planar along the projected length in the radial direction of plate body;The difference of the radius of L4, the outer diameter of plate body and rotary shaft through hole.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 6, according to an embodiment of the present application, a kind of rotor stop plate, including plate body, setting exist
Flow channels 13 on plate body and the multiple fan blades 14 being arranged in flow channels 13;Fan blade 14 includes first segment 141 and second
Section 142, first segment 141 and second segment 142 form angle, and rotor stop plate 1 is rotated with rotor 2, and fan blade 14 is used for cooling fluid
Opposite side is drained to from the side of rotor stop plate 1.By the way that baffle is arranged, and flow channels 13 and fan blade 14 are set on baffle,
When rotor stop plate 1 is rotated with rotor 2, the air in motor and in 2 outside of rotor can be introduced to by rotor stop plate 1 to be turned
In son 2, to being cooled down in rotor 2, and motor, especially stator brought far from the heat of radiator fan one end close to motor
One end of radiator fan, is quickly cooled down hot-air, and because being confined space in motor, air after cooling returns to motor gear
Side of the plate far from radiator fan, is again sucked into rotor 2, and circulation cools down rotor 2, can accelerate inside motor
Gas circulation rate improves cooling efficiency, reduces the temperature rise of motor.
It further, is confined space in motor, cooling fluid is the air in motor.
Rotor stop plate 1 includes inner disc 12 and outer ring 11, and flow channels 13 guarantee between inner disc 12 and outer ring 11
Flow channels 13 are circumferentially arranged on plate body, improve the stability of plate body when air flows through plate body.
Further, flow channels 13 are arranged on plate body in circular ring shape, and fan blade 14 is connected to the inner wall of flow channels 13
On, fan blade 14 drives air to flow through flow channels 13, makes air in motor internal flow, and then the cooling to rotor 2.
Further, plate body is circle, and flow channels 13 and plate body are coaxially disposed, further ensure air and flow through plate body
When plate body stability.
Further, multiple fan blades 14 are uniformly arranged in flow channels 13, and are circumferentially arranged along the central axis of baffle,
It ensure that smooth air flows, while guaranteeing plate body uniform force.
Further, the axial line on inner disc 12 along inner disc 12 is evenly arranged with multiple dynamic balancing preformed holes 15, for inserting
Enter balance weight, to correct the dynamic balancing of rotor 2.
Further, the axial line on inner disc 12 along inner disc 12 is evenly arranged with multiple mounting holes 16, for connecting rotor 2
With rotor stop plate 1, so as to which rotor 2 and rotor stop plate 1 are formed an entirety.
Further, rotary shaft through hole 17 is provided on the central part of inner disc 12, inner disc 12 is arranged by rotary shaft through hole 17
On motor shaft.
First segment 141 stretches out the plane where outer ring 11, can preferably introduce air into second segment 142 and cross and circulate
Between road 13, it can play the role of converging air, enhance the wind-guiding ability of fan blade 14.
Further, the top surface of inner disc 12 and the top surface of outer ring 11 are in the same plane, the bottom surface of inner disc 12 and outer ring
11 bottom surface is in the same plane, and first segment 141 is located at the top surface side of outer ring 11, and is stretched out flat where the top surface of outer ring 11
Face.
Further, where plane where second segment 142 is located at the top surface of outer ring 11 and bottom surface between plane.
Further, the joint of first segment 141 and second segment 142 and inner disc 12 and outer ring 11 all has globoidal structure,
To be preferably connected in inner ring and external disk.
Second segment 142 is reversed from one end of inner disc 12 to the other end of inner disc 12 to be extended, and second segment 142 includes being oppositely arranged
First end face 1421 and second end face 1422, first end face 1421 connects with first segment 141, so that fan blade 14 drives air
When, so that air is generated vortex, the heat in rotor 2 can be taken away preferably to cooling down in rotor 2.
Further, the windup-degree of second segment 142 is no more than 180 °.
As shown in figure 4, second segment 142 further includes the third end face 1423 and the 4th end face 1424 being oppositely arranged, third end
Face 1423 connects to forming the first corner 1425 with second end face 1422, and the 4th end face 1424 connects to forming with second end face 1422
Two corners 1426, the first corner 1425 are connected on inner disc 12, and the second corner 1426 is connected on outer ring 11, so that 14 band of fan blade
Biggish vortex is generated when dynamic air, preferably to cooling down in rotor 2.
Further, as shown in figure 5, the left and right sides of second end face 1422 is respectively formed bevel structure, to realize vortex
It generates.
The midpoint A1 of the intersection of first end face 1421 and third end face 1423, first end face 1421 and the 4th end face 1424
The midpoint of intersection is that the line of A2, A1 and A2 are L1, the midpoint B1 of second end face 1422 and the intersection of third end face 1423, second
The midpoint of the intersection of end face 1422 and the 4th end face 1424 is that the line of B2, B1 and AB are that L2, L1 and L2 are put down where inner disc 12
The angle of projection in face can preferably be such that air is formed and be vortexed not less than 30 ° and no more than 70 °.
As shown in Figure 1, second end face 1422 in plate body planar along the projected length L3 in the radial direction of plate body,
Plate body has ring structure, and the ring width of plate body is L4, and L3 is not less than the one third of L4, and air can preferably be made to form whirlpool
Rotation, and can guarantee that blade generates sufficiently strong wind-force, so that air circulates in motor.
142 phase of second segment of adjacent fan blade 14 is stacked, mutually forms circulation passage between two stacked second segments 142,
It is logical by forming circulation, fan blade 14 can be made preferably to collect to air generation and impetus, and can guarantee and entered circulation
Air in road 13 is blown out in a certain direction.
Width of the fan blade 14 close to one end of inner disc 12 is greater than the width close to one end of outer ring 11.
As shown in fig. 7, the another aspect of the present embodiment, provides a kind of motor, including above-mentioned rotor stop plate 1.
Motor includes rotor 2 and radiator fan, and motor includes rotor 2 and radiator fan, and rotor stop plate 1 includes the first rotor
Baffle, rotor 2 and the first rotor baffle are coaxially disposed, and the first rotor baffle is located at the one end of rotor 2 far from radiator fan.Rotor
Baffle 1 further includes the second rotor stop plate, and rotor 2 and the second rotor stop plate are coaxially disposed, and it is close that the second rotor stop plate is located at rotor 2
The air draft direction of one end of radiator fan, the first rotor baffle and the second rotor stop plate is identical.It can by the first rotor baffle
It introduces air into rotor 2, air can be discharged outside rotor 2 by the second rotor stop plate, and flow air in motor, it will
The heat of motor far from radiator fan side is brought to the side close to radiator fan, and then accelerates heat dissipation.
Further, as shown in Fig. 2, in the rearview of rotor stop plate 1, blade 14 reverses extension in a clockwise direction,
To ensure that wind can be introduced into rotor 2 by the first rotor baffle, wind can be discharged from rotor 2 for the second rotor stop plate.
Further, radiator fan is located at the tail end of motor, when rotor 2 rotates, rotor stop plate 1 is driven to rotate together,
Air is sucked into rotor 2 by the first rotor baffle from the head end of motor, and the second rotor 2 makes the air Accelerating Removal in rotor 2
It outside rotor 2, and is discharged to the tail end of motor, and then realizes that the heat of motor head end is taken to the tail end of motor, and and radiation air
Fan matches, and so that each portion of motor is all had good heat dissipation effect, and radiating rate is fast.
Further, the first segment 141 of the first rotor baffle is arranged towards rotor 2, the first segment 141 of the first rotor baffle
It is arranged away from rotor 2.
Motor includes stator, and the yoke portion of stator is provided with yoke portion through flow hole, and rotor 2 includes magnet steel and magnetic slot, magnet steel with
There is circulation gap 21 between magnetic slot, the flow channels 13 of the first rotor baffle, circulation gap 21, the second rotor stop plate mistake
Circulation road 13 and yoke portion through flow hole form a part of cooling circuit.
Further, the flow channels 13 of the first rotor baffle and the flow channels 13 of second baffle and magnet steel and magnetic slot
Between circulation gap 21 be oppositely arranged, air can flow successively through the first rotor baffle flow channels 13, circulation gap 21
With the flow channels 13 of second baffle.
Further, when rotor 2 rotates, air is sucked into circulation gap 21 from the head end of motor by the first rotor baffle
It is interior, motor tail end is drained into through the second rotor stop plate, and transfer heat to the motor casing of motor tail end, by being arranged in motor tail
Radiator fan outside end radiates to motor tail end, makes the air cooling-down for draining into motor tail end, due to being close inside motor
Space is closed, the air after cooling is returned to from yoke portion through flow hole to motor head end, completes a cycle period, is realized in motor
Portion's air forced circulation, reduces the temperature rise of motor, improves the service life of motor.
Further, the air of tail end also can return to motor head end by air gap in motor.
A kind of rotor stop plate 1 provided in the embodiment of the present invention, the air-flow that a closure is formed inside motor add
Fast circuit can accelerate motor internal gas circulation speed, improve cooling efficiency, reduce the temperature rise of motor, reduce motor
2 temperature of stator rotor.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within principle.Above only
It is the preferred embodiment of the application, it is noted that for those skilled in the art, do not departing from this Shen
Several improvements and modifications please can also be made, these improvements and modifications also should be regarded as the guarantor of the application under the premise of technical principle
Protect range.
Claims (14)
1. a kind of rotor stop plate, which is characterized in that exist including plate body, the flow channels being arranged on the plate body (13) and setting
Multiple fan blades (14) in the flow channels (13);
The fan blade (14) includes first segment (141) and second segment (142), the first segment (141) and the second segment (142)
Angle is formed, the rotor stop plate (1) rotates with rotor (2), and the fan blade (14) is for keeping off cooling fluid from the rotor
The side of plate (1) is drained to opposite side.
2. rotor stop plate according to claim 1, which is characterized in that the rotor stop plate (1) includes inner disc (12) and outer
Ring (11), the flow channels (13) are between the inner disc (12) and the outer ring (11).
3. rotor stop plate according to claim 2, which is characterized in that the first segment (141) stretches out the outer ring (11)
The plane at place.
4. rotor stop plate according to claim 2, which is characterized in that the second segment (142) is from the inner disc (12)
One end is reversed to the other end of the inner disc (12) to be extended, and the second segment (142) includes the first end face being oppositely arranged
(1421) connect with second end face (1422), the first end face (1421) with the first segment (141).
5. rotor stop plate according to claim 4, which is characterized in that the second segment (142) further includes being oppositely arranged
Third end face (1423) and the 4th end face (1424), the third end face (1423) connect to being formed with the second end face (1422)
First corner (1425), the 4th end face (1424) connect to forming the second corner (1426) with the second end face (1422),
First corner (1425) is connected on the inner disc (12), and second corner (1426) is connected to the outer ring (11)
On.
6. rotor stop plate according to claim 4, which is characterized in that the first end face (1421) and the third end face
(1423) midpoint of the intersection of the midpoint A1 of intersection, the first end face (1421) and the 4th end face (1424) is A2,
The line of A1 and A2 is L1, the midpoint B1 of the intersection of the second end face (1422) and the third end face (1423), described the
The midpoint of biend (1422) and the intersection of the 4th end face (1424) is that the line of B2, B1 and AB are L2, L1 and L2 in institute
State inner disc (12) projection planar angle not less than 30 ° and no more than 70 °.
7. rotor stop plate according to claim 4, which is characterized in that the second end face (1422) is where the plate body
Along the projected length L3 in the radial direction of the plate body in plane, the plate body has ring structure, the ring width of the plate body
It is not less than the one third of L4 for L4, L3.
8. rotor stop plate according to claim 1, which is characterized in that the second segment of the adjacent fan blade (14)
(142) it is mutually stacked, mutually forms circulation passage between two stacked second segments (142).
9. rotor stop plate according to claim 2, which is characterized in that the one of the fan blade (14) close the inner disc (12)
The width at end is greater than the width close to the one end of the outer ring (11).
10. rotor stop plate according to claim 1, which is characterized in that be circumferentially evenly arranged with dynamic balancing on the plate body
Preformed hole.
11. a kind of motor, which is characterized in that including the rotor stop plate (1) as described in claim 1-10 any one.
12. motor according to claim 11, which is characterized in that the motor includes rotor (2) and radiator fan, described
Rotor stop plate (1) includes the first rotor baffle, and the rotor (2) and the first rotor baffle are coaxially disposed, and described first turn
Sub- baffle is located at the one end of the rotor (2) far from the radiator fan.
13. motor according to claim 12, which is characterized in that the rotor stop plate (1) further includes the second rotor stop plate,
The rotor (2) and second rotor stop plate are coaxially disposed, and second rotor stop plate is located at the rotor (2) close to described
One end of radiator fan, the first rotor baffle are identical with the air draft direction of second rotor stop plate.
14. motor according to claim 11, which is characterized in that the motor includes stator, and the yoke portion of the stator is set
It is equipped with yoke portion through flow hole, the rotor (2) includes magnet steel and magnetic slot, has circulation gap between the magnet steel and magnetic slot
(21), the flow channels (13) of the first rotor baffle, circulation gap (21), crossing for second rotor stop plate are circulated
Road (13) and yoke portion through flow hole form a part of cooling circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910796929.2A CN110460197B (en) | 2019-08-27 | 2019-08-27 | Rotor baffle and motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910796929.2A CN110460197B (en) | 2019-08-27 | 2019-08-27 | Rotor baffle and motor |
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Publication Number | Publication Date |
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CN110460197A true CN110460197A (en) | 2019-11-15 |
CN110460197B CN110460197B (en) | 2020-10-16 |
Family
ID=68489380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910796929.2A Active CN110460197B (en) | 2019-08-27 | 2019-08-27 | Rotor baffle and motor |
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CN (1) | CN110460197B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112510909A (en) * | 2020-11-27 | 2021-03-16 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Motor rotor balance disc and motor |
CN113890234A (en) * | 2021-10-11 | 2022-01-04 | 浙江大学先进电气装备创新中心 | Closed motor cooling device with circulation convection between rotor holes |
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US5925960A (en) * | 1997-07-02 | 1999-07-20 | Reliance Electric Industrial Company | Electric motor |
CN2914469Y (en) * | 2006-04-13 | 2007-06-20 | 郑胡铃 | Generator rotor fan |
CN106655596A (en) * | 2016-11-21 | 2017-05-10 | 中车永济电机有限公司 | Internal-external dual-circulating type self-ventilation cooling structure of totally-enclosed motor |
CN207459903U (en) * | 2017-11-03 | 2018-06-05 | 长城汽车股份有限公司 | Motor and its rotor balancing plate |
CN108365703A (en) * | 2018-01-31 | 2018-08-03 | 江门市地尔汉宇电器股份有限公司 | The air-cooled impeller of motor, double air duct motors and electric vehicle |
CN108539889A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力***有限公司 | A kind of permanent-magnetic synchronous motor rotor air-cooled structure |
CN106451866B (en) * | 2016-12-05 | 2019-05-10 | 北京金风科创风电设备有限公司 | Motor rotor support and motor |
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2019
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US5925960A (en) * | 1997-07-02 | 1999-07-20 | Reliance Electric Industrial Company | Electric motor |
CN2914469Y (en) * | 2006-04-13 | 2007-06-20 | 郑胡铃 | Generator rotor fan |
CN106655596A (en) * | 2016-11-21 | 2017-05-10 | 中车永济电机有限公司 | Internal-external dual-circulating type self-ventilation cooling structure of totally-enclosed motor |
CN106451866B (en) * | 2016-12-05 | 2019-05-10 | 北京金风科创风电设备有限公司 | Motor rotor support and motor |
CN207459903U (en) * | 2017-11-03 | 2018-06-05 | 长城汽车股份有限公司 | Motor and its rotor balancing plate |
CN108365703A (en) * | 2018-01-31 | 2018-08-03 | 江门市地尔汉宇电器股份有限公司 | The air-cooled impeller of motor, double air duct motors and electric vehicle |
CN108539889A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力***有限公司 | A kind of permanent-magnetic synchronous motor rotor air-cooled structure |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112510909A (en) * | 2020-11-27 | 2021-03-16 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Motor rotor balance disc and motor |
CN113890234A (en) * | 2021-10-11 | 2022-01-04 | 浙江大学先进电气装备创新中心 | Closed motor cooling device with circulation convection between rotor holes |
CN113890234B (en) * | 2021-10-11 | 2023-01-31 | 浙江大学先进电气装备创新中心 | Closed motor cooling device with circulation convection between rotor holes |
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