CN203660681U - Ten-pole and twelve-groove permanent magnetic brushless motor - Google Patents
Ten-pole and twelve-groove permanent magnetic brushless motor Download PDFInfo
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- CN203660681U CN203660681U CN201320836507.1U CN201320836507U CN203660681U CN 203660681 U CN203660681 U CN 203660681U CN 201320836507 U CN201320836507 U CN 201320836507U CN 203660681 U CN203660681 U CN 203660681U
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Abstract
The utility model provides a ten-pole and twelve-groove permanent magnetic brushless motor advantaged by high integral performance, low noise, and small vibration. The ten-pole and twelve-groove permanent magnetic brushless motor comprises a stator and a rotor, the stator comprises a stator core, a stator winding and a frame, the stator core is arranged on the frame, the stator core is uniformly provided with twelve winding slots, winding coils are arranged in the winding slots to form the stator winding, and a twelve-groove stator winding is formed. The stator winding is connected and wound in an AABBCC manner, the rotor comprises a first magnet ring body and a second magnet ring body arranged in a concentric manner, a plurality of reinforcing ribs are connected between the first magnet ring body and the second magnet ring body, the external surface of the second magnet ring body is provided with magnetic poles, the magnetic poles are uniformly arranged in the second magnet ring body according to mutually reverse polarities, and the external circumferential surface of the second magnet ring body is provided with ten grooves for installing electromagnets. According to the ten-pole and twelve-groove permanent magnetic brushless motor, the ten-pole and twelve-groove design structure is simple, the heat radiation effect is good, the weight is light, and the installation efficiency of bearings is high.
Description
Technical field
The utility model relates to a kind of motor, is specially a kind of motor and includes the permanent magnet brushless electromotor of stator and rotor.
Background technology
Efficiently, energy-conservation, reduce the focus that carbon emission amount is current global concern, every country particularly American-European developed regions accounts for existing the explicitly calling for of low pressure, single speed, three-phase, cage modle middle and small motor efficiency of having a large capacity and a wide range energy output 60% left and right to power consumption, on common electric machine basis, loss reduces by 20% and 30%, makes electric efficiency reach high efficiency requirement.China is in the 2000 rear forced motor Energy Efficiency Standard GB18613 " middle-size and small-size Motor Energy Efficiency limit value and efficiency grade " that tally with the national condition that issued and implemented, standard mandatory provision, the product that does not meet efficiency grade is forbidden producing and selling and outlet, Y, Y2, Y3 basic system efficiency have not reached minimum efficiency grade (3 grades) efficiency value of GB18613-20 " middle-size and small-size Motor Energy Efficiency limit value and efficiency grade ", are eliminated.Meanwhile, along with the development of Chinese national economy and the raising of living standards of the people, also more and more higher to the overall performance requirement of motor, the special noise and vibration to motor etc. is had higher requirement.
Stator is the actionless part of motor.Stator is made up of stator core, stator winding and support three parts.The Main Function of stator is to produce rotating magnetic field.The quality of stator performance plays conclusive effect to motor.The winding slot design of existing motor stator is unreasonable, cause copper factor low, and stator insulation is not good, and the situation that causes motor to damage happens occasionally.Meanwhile, the winding layout of the stator winding of existing design easily causes concentrating of magnetic flux, and this contributes to the generation of harmonics.Can make motor break down, such as noise, unsettled rotating magnetic field and asynchronous torque etc., thereby the inefficiency of generation motor.
Rotor is the rotating parts in motor.Motor is made up of rotor and stator two parts, and it is the conversion equipment for realizing electric energy and mechanical energy and mechanical energy and electric energy.Rotor structure of the prior art is unreasonable, insecure, and useful life is short.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides that a kind of overall performance is high, noise is low and vibrate little permanent magnet brushless electromotor.
For solving above technical problem, the utility model provides following technical scheme: a kind of permanent magnet brushless electromotor of ten utmost point 12 grooves, it is characterized in that including stator and rotor, described stator includes stator core, stator winding and support, described stator core is arranged on support, stator core includes multiple silicon steel sheets and is rolled into one by multiple silicon steel sheets, on stator core, be evenly provided with 12 slot for windings, in slot for winding, be provided with winding coil and form stator winding, form altogether 12 groove stator winding, stator winding canoe is AABBCC mode, described rotor comprises the first magnetic ring body and second magnetic ring body of a pair of concentric setting, between described the first magnetic ring body and the second magnetic ring body, be connected with many reinforcements, the first magnetic ring body, between the second magnetic ring body and adjacent reinforcement, form ventilation slot, the first magnetic ring body, the second magnetic ring body and reinforcement form by silicon steel sheet, the first magnetic ring body, the second magnetic ring body and reinforcement are integral, the first magnetic ring body inner circumferential surface is provided with locating piece, described the second magnetic ring body external peripheral surface is provided with has ten dovetail grooves that magnetic pole is installed, described dovetail groove is evenly distributed on the second magnetic ring body external peripheral surface, magnetic pole is evenly arranged in dovetail groove by the polarity of mutually putting upside down.
Improve as one, described stator core is the stator core for cylindrical linear motor, described slot for winding is provided with gap near inner side, the groove face of same slot for winding forms isosceles trapezoid, and the groove face of described adjacent slot for winding is parallel to each other, and forms wrapping post, described wrapping post upper end is provided with tab, described tab is in same annulus, and wrapping post and tab form T-shaped, the outer ring seal of described stator core.
Improve as one, the outer circumference surface of described stator core and side are provided with the covered plastics layer of insulation.
Improve as one, it is characterized in that being provided with location notch on the outer circumference surface of described stator core, described location notch middle part is provided with reference column, and the outermost surface radius of described reference column is less than the outermost surface radius of stator core.
Improve as one, it is characterized in that being provided with location notch on the outer circumference surface of described stator core, described location notch middle part is provided with reference column, and the outermost surface radius of described reference column is less than the outermost surface radius of stator core.
Improve as one, described locating piece is formed and is made by silicon steel sheet, one-body molded with the first magnetic ring body, the second magnetic ring body and reinforcement.
Respective motor, generally that number of poles is higher, power is larger, groove number is just more, is mainly for better distribution coil, and the utility model adopts the design of 10 utmost point 12 grooves, only have two pairs of grooves corresponding in the time commutating with the utmost point, the logarithm losing efficacy is few, thereby efficiency is high, and overall performance is high, noise is low and vibrate little; Rotor structure is simple, good heat dissipation effect, lightweight and that efficiency of bearing is installed is high; Its copper factor of stator is high, and stable magnetic field, evenly, and noise is low, it is little to vibrate.
Brief description of the drawings
Fig. 1 is ten utmost point rotor front views of the permanent magnet brushless electromotor of a kind of ten utmost point 12 grooves of the utility model.
Fig. 2 is ten utmost point rotor vertical views of the permanent magnet brushless electromotor of a kind of ten utmost point 12 grooves of the utility model.
Fig. 3 is 12 groove stator front views of the permanent magnet brushless electromotor of a kind of ten utmost point 12 grooves of the utility model.
Fig. 4 is 12 groove stator vertical views of the permanent magnet brushless electromotor of a kind of ten utmost point 12 grooves of the utility model.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of embodiment of permanent magnet brushless electromotor of ten utmost point 12 grooves, to include stator 1 and rotor 2, described stator 1 includes stator core 11, stator winding and support, described stator core 11 is arranged on support, stator core 11 includes multiple silicon steel sheets and is rolled into one by multiple silicon steel sheets, on stator core 11, be evenly provided with 12 slot for windings 13, in slot for winding 13, be provided with winding coil and form stator winding, form altogether 12 groove stator winding, stator winding canoe is AABBCC mode, rotor 2 comprises the first magnetic ring body 21 and second magnetic ring body 22 of a pair of concentric setting, between the first magnetic ring body 21 and the second magnetic ring body 22, be connected with many reinforcements 23, the first magnetic ring body 21, between the second magnetic ring body 22 and adjacent reinforcement 23, form ventilation slot, the first magnetic ring body 21, the second magnetic ring body 22 and reinforcement 23 form by silicon steel sheet, the first magnetic ring body 21, the second magnetic ring body 22 and reinforcement 23 are integral, the first magnetic ring body 21 inner circumferential surfaces are provided with locating piece 24, the second magnetic ring body 22 external peripheral surfaces are provided with has ten dovetail grooves 25 that magnetic pole is installed, dovetail groove 25 is evenly distributed on the second magnetic ring body 22 external peripheral surfaces, magnetic pole is evenly arranged in dovetail groove 25 by the polarity of mutually putting upside down.The utility model adopts the design of 10 utmost point 12 grooves, only has two pairs of grooves corresponding in the time commutating with the utmost point, and the logarithm of inefficacy is few, thereby efficiency is high, and overall performance is high, noise is low and vibrate little; Rotor structure is simple, good heat dissipation effect, lightweight and that efficiency of bearing is installed is high; Its copper factor of stator is high, and stable magnetic field, evenly, and noise is low, it is little to vibrate.
As the improved embodiment of one, stator core 11 is the stator cores 11 for cylindrical linear motor, slot for winding 13 is provided with gap near inner side, the groove face of same slot for winding 13 forms isosceles trapezoid, and the groove face of adjacent slot for winding 13 is parallel to each other, and forms wrapping post 14, described wrapping post 14 upper ends are provided with tab 15, tab 15 is in same annulus, and wrapping post 14 and tab 15 form T-shaped, the outer ring seal of stator core 11.The structural design of this slot for winding 13 has improved copper factor; Simple in structure, easy to process.
As the improved embodiment of one, the outer circumference surface of described stator core 11 and side are provided with the covered plastics layer of insulation.Be provided with the generation that insulating barrier is conducive to moistureproof and short circuit.
As the improved embodiment of one, it is characterized in that being provided with location notch 16 on the outer circumference surface of described stator core 11, described location notch 16 middle parts are provided with reference column 12, and the outermost surface radius of described reference column 12 is less than the outermost surface radius of stator core 11.The structure of location notch 16 and reference column 12 is conducive to reliable connection the between stator core and support.
As the improved embodiment of one, described locating piece 24 is formed and is made by silicon steel sheet, one-body molded with the first magnetic ring body 21, the second magnetic ring body 22 and reinforcement 23.Each parts of Integral design have silicon steel sheet to realize, easy to process, make simply, greatly improve overall firmness in realizing component function, are conducive to extend the useful life of product.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. the permanent magnet brushless electromotor of the utmost point 12 grooves, it is characterized in that including stator (1) and rotor (2), described stator (1) includes stator core (11), stator winding and support, described stator core (11) is arranged on support, stator core (11) includes multiple silicon steel sheets and is rolled into one by multiple silicon steel sheets, on stator core (11), be evenly provided with 12 slot for windings (13), in slot for winding (13), be provided with winding coil and form stator winding, form altogether 12 groove stator winding, stator winding canoe is AABBCC mode, described rotor (2) comprises the first magnetic ring body (21) and second magnetic ring body (22) of a pair of concentric setting, between described the first magnetic ring body (21) and the second magnetic ring body (22), be connected with many reinforcements (23), the first magnetic ring body (21), between the second magnetic ring body (22) and adjacent reinforcement (23), form ventilation slot, the first magnetic ring body (21), the second magnetic ring body (22) and reinforcement (23) form by silicon steel sheet, the first magnetic ring body (21), the second magnetic ring body (22) and reinforcement (23) are integral, the first magnetic ring body (21) inner circumferential surface is provided with locating piece (24), described the second magnetic ring body (22) external peripheral surface is provided with has ten dovetail grooves (25) that magnetic pole is installed, described dovetail groove (25) is evenly distributed on the second magnetic ring body (22) external peripheral surface, magnetic pole is evenly arranged in dovetail groove (25) by the polarity of mutually putting upside down.
2. the permanent magnet brushless electromotor of ten utmost point 12 grooves according to claim 1, it is characterized in that described stator core (11) is the stator core (11) for cylindrical linear motor, described slot for winding (13) is provided with gap near inner side, the groove face of same slot for winding (13) forms isosceles trapezoid, the groove face of described adjacent slot for winding (13) is parallel to each other, form wrapping post (14), described wrapping post (14) upper end is provided with tab (15), described tab (15) is in same annulus, wrapping post (14) and tab (15) form T-shaped, the outer ring seal of described stator core (11).
3. the permanent magnet brushless electromotor of ten utmost point 12 grooves according to claim 1 and 2, is characterized in that the outer circumference surface of described stator core (11) and side are provided with the covered plastics layer of insulation.
4. the permanent magnet brushless electromotor of ten utmost point 12 grooves according to claim 1 and 2, it is characterized in that being provided with location notch (16) on the outer circumference surface of described stator core (11), described location notch (16) middle part is provided with reference column (12), and the outermost surface radius of described reference column (12) is less than the outermost surface radius of stator core (11).
5. the permanent magnet brushless electromotor of ten utmost point 12 grooves according to claim 3, it is characterized in that being provided with location notch (16) on the outer circumference surface of described stator core (11), described location notch (16) middle part is provided with reference column (12), and the outermost surface radius of described reference column (12) is less than the outermost surface radius of stator core (11).
6. the permanent magnet brushless electromotor of ten utmost point 12 grooves according to claim 5, is characterized in that described locating piece (24) is made up of silicon steel sheet, one-body molded with the first magnetic ring body (21), the second magnetic ring body (22) and reinforcement (23).
7. the permanent magnet brushless electromotor of ten utmost point 12 grooves according to claim 6, it is characterized in that being provided with protruded stigma (26) between described dovetail groove (25) and dovetail groove (25), described protruded stigma (26) middle part is provided with recessed groove (27), described protruded stigma (26) is made up of silicon steel sheet, one-body molded with the first magnetic ring body (21), the second magnetic ring body (22), locating piece (24) and reinforcement (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836507.1U CN203660681U (en) | 2013-12-18 | 2013-12-18 | Ten-pole and twelve-groove permanent magnetic brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836507.1U CN203660681U (en) | 2013-12-18 | 2013-12-18 | Ten-pole and twelve-groove permanent magnetic brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660681U true CN203660681U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320836507.1U Withdrawn - After Issue CN203660681U (en) | 2013-12-18 | 2013-12-18 | Ten-pole and twelve-groove permanent magnetic brushless motor |
Country Status (1)
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| CN (1) | CN203660681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618391A (en) * | 2013-12-18 | 2014-03-05 | 苍南县华仲机电有限公司 | Ten-pole twelve-groove permanent magnet brushless motor |
-
2013
- 2013-12-18 CN CN201320836507.1U patent/CN203660681U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618391A (en) * | 2013-12-18 | 2014-03-05 | 苍南县华仲机电有限公司 | Ten-pole twelve-groove permanent magnet brushless motor |
| CN103618391B (en) * | 2013-12-18 | 2016-03-23 | 苍南县华仲机电有限公司 | A kind of permanent magnet brushless electromotor of ten pole 12 grooves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |