CN202872593U - Three-phase induction asynchronous motor - Google Patents

Three-phase induction asynchronous motor Download PDF

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Publication number
CN202872593U
CN202872593U CN 201220600167 CN201220600167U CN202872593U CN 202872593 U CN202872593 U CN 202872593U CN 201220600167 CN201220600167 CN 201220600167 CN 201220600167 U CN201220600167 U CN 201220600167U CN 202872593 U CN202872593 U CN 202872593U
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CN
China
Prior art keywords
phase induction
stator
rotor
induction asynchronous
asynchronous machine
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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.)
Expired - Fee Related
Application number
CN 201220600167
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Chinese (zh)
Inventor
李乐东
金灵华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WENLING DONGLING MOTOR CO Ltd
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WENLING DONGLING MOTOR CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN 201220600167 priority Critical patent/CN202872593U/en
Application granted granted Critical
Publication of CN202872593U publication Critical patent/CN202872593U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a three-phase induction asynchronous motor and belongs to the technical field of machinery. The problems that the conventional three-phase induction asynchronous motor is low in efficiency and the like are solved. The three-phase induction asynchronous motor comprises a casing, wherein a rotating shaft penetrates through the casing; a rotor is fixed on the rotating shaft in the circumferential direction; a stator which is fixed with the circumferential direction of the casing is sleeved on the outer side of the rotor; the rotor is formed by laminating silicon steel sheets; a mouse cage is embedded in the rotor; the stator is also formed by laminating silicon steel sheets; and a three-phase sinusoidal distribution winding is fixed in the stator. The three-phase induction asynchronous motor has the advantages of ultrahigh efficiency, low manufacturing cost and the like.

Description

A kind of three-phase induction asynchronous machine
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of motor, particularly a kind of three-phase induction asynchronous machine.
Background technology
Motor is used very extensive in all trades and professions, the generating total amount of electrical consumption world 60-70%, and the efficient that therefore improves motor is the energy-conserving and environment-protective problem of entire society, people have designed various high efficiency motors at present.
Existing Y180M-4_18.5kw type high-efficient asynchronous motor for example, it comprises housing, rotate the rotor core of assembling on the stator core that is connected on the housing and the housing, have stator slot on the stator core, have rotor on the rotor core, wherein the technical data of corresponding iron core and winding has: the quantity of stator slot is 48, the quantity of rotor is 44, the stator winding connected mode is double-layer overlapped formula winding, pitch 1-11, stator core length is 190mm, the stator coil number of turn: every groove 32 circles: wire gauge: the wire that two naked footpaths are 1.18mm and around.The international efficient of the high-efficient asynchronous motor of above-mentioned model only has 91%, and the stator direct current reaches 35.9A, and efficient is not high, and is to be improved.
Existing people upgrade at manufacturing process and the selection of material of motor, do not obtain the solution of essence from structure, and the efficient of motor still need improve.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of three-phase induction asynchronous machine of ultra high efficiency is provided.
The purpose of this utility model can realize by following technical proposal: a kind of three-phase induction asynchronous machine, comprise casing, be equipped with rotating shaft in the described casing, circumferentially be fixed with rotor in the described rotating shaft, the described rotor outside is arranged with the stator of circumferentially fixing with casing, it is characterized in that described rotor is formed by silicon steel plate stacking and the embedded mouse cage that is connected to of rotor, described stator is also formed by silicon steel plate stacking, is fixed with the three phase sine distributed winding in the described stator.
Rotor and the stator of this three-phase induction asynchronous machine form by silicon steel plate stacking, and three phase sine distributed winding magnetic flux is even, and magnetic flux density is strong, and this three-phase induction asynchronous machine has Ultra-High Efficiency.
In above-mentioned a kind of three-phase induction asynchronous machine, the ratio of described diameter of stator bore and stator outer diameter is 0.52-0.58: 1.Setting can increase induction like this, reduces in the stator and decreases, and increases starting performance.
In above-mentioned a kind of three-phase induction asynchronous machine, described stator has the slot for winding that resembles a pear in shape, and described three phase sine distributed winding is wrapped on the slot for winding, and the current density of described three phase sine distributed winding is 4.5-7A/mm 2Arranging has like this increased induction, has reduced in the stator and has decreased, and three phase sine distributed winding magnetic flux is even, and induction is strong.
In above-mentioned a kind of three-phase induction asynchronous machine, the air cleft gap between described diameter of stator bore and the rotor diameter is 0.6-1.0mm.Air cleft can reduce flux loss in this numerical value.
In above-mentioned a kind of three-phase induction asynchronous machine, have a corral on the described mouse cage and rotate that the axis of son is equally distributed to have the draw-in groove of opening, the embedded open type sliver that is connected to of described draw-in groove in the mouse cage outer peripheral face.Arranging of open type sliver reduces interior the damage, increased induction.
In above-mentioned a kind of three-phase induction asynchronous machine, have in the form of sheets and the whole sealing sliver that is embedded in the mouse cage between described open type sliver and the adjacent open type sliver.The sealing sliver increases induction area, improves the flux of magnetic induction amount, decreases in reducing, and has improved starting performance.
In above-mentioned a kind of three-phase induction asynchronous machine, described mouse cage is that the cast copper material is made.The mouse cage that cast copper is made can further reduce interior damage, raises the efficiency.
In above-mentioned a kind of three-phase induction asynchronous machine, the inner of described rotating shaft is fixed with cooling wind blade.Cooling wind blade together rotates with rotating shaft, and the inner heat that produces guarantees the long-time efficient operation of this three-phase induction asynchronous machine in the time of can taking away the work of this three-phase induction asynchronous machine.
Compared with prior art; rotor and the stator of this three-phase induction asynchronous machine form by silicon steel plate stacking; and three phase sine distributed winding magnetic flux is even; magnetic flux density is strong; this three-phase induction asynchronous machine has Ultra-High Efficiency; ultra-high efficient motor than the IE3 usefulness standard of international IEC60034-30 standard also exceeds 2-6% efficient point; exceed 5-17% efficient point than Chinese JB/T8680-2008Y2 series three-phase asynchronous motor; China's motor annual requirement power consumption is 25000MW; efficient improves 1%; just can save 7,300 ten thousand KWh, so the power saving rate of this three-phase induction asynchronous machine is good, has reduced use cost; saving to power consumption is huge; saving to resource; the protection of environment and improvement are very favorable, and this three-phase induction asynchronous machine is easily manufactured in addition, low cost of manufacture.
Description of drawings
Fig. 1 is the structure cutaway view of this three-phase induction asynchronous machine.
Fig. 2 is the structure cutaway view of another angle of this three-phase induction asynchronous machine.
Among the figure, 1, casing; 2, rotating shaft; 3, rotor; 4, stator; 5, three phase sine distributed winding; 6, slot for winding; 7, draw-in groove; 8, open type sliver; 9, sealing sliver; 10, mouse cage; 11, cooling wind blade.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, this three-phase induction asynchronous machine comprises casing 1, be equipped with rotating shaft 2 in the casing 1, circumferentially be fixed with rotor 3 in the rotating shaft 2, rotor 3 outsides are arranged with the stator 4 of circumferentially fixing with casing 1, rotor 3 is formed by silicon steel plate stacking and the rotor 3 embedded mouse cages 10 that are connected to, and stator 4 is also formed by silicon steel plate stacking, is fixed with three phase sine distributed winding 5 in the stator 4.The number of pole-pairs of this three-phase induction asynchronous machine is 1 or 2 or 3 or 4 pair, and the number of pole-pairs of this three-phase induction asynchronous machine is 2 in the present embodiment.
Further describe in detail, the ratio of stator 4 internal diameters and stator 4 external diameters is 0.52-0.58: 1, in the past stator 4 internal diameters and stator 4 external diameter design proportion have been broken through, stator 4 has the slot for winding 6 that resembles a pear in shape, three phase sine distributed winding 5 is wrapped on the slot for winding 6, and the current density of three phase sine distributed winding 5 is 4.5-7A/mm 2The slot for winding 6 that resembles a pear in shape is different from common U-lag, both made things convenient for three phase sine distributed winding 5 to twine, can reduce interior damage equally, above-mentioned current density also breaks through conventional value, can increase induction by above-mentioned setting, reduce stator 4 interior damages, and magnetic flux is even, and magnetic flux density is strong, has increased starting performance.Air cleft gap between stator 4 internal diameters and rotor 3 external diameters is 0.6-1.0mm, during Practical manufacturing, when this three-phase induction asynchronous machine is high-power in being, large value 1.0mm is got in the air cleft gap, when this three-phase induction asynchronous machine is small-power, the air cleft gap 0.6mm that gets the small value, certainly according to actual conditions, the air cleft gap can be chosen in the scope of 0.6-1.0mm.In order to reduce interior damage, increase induction, improve the flux of magnetic induction amount, improve starting performance, has corral 3 the equally distributed draw-in groove 7 that has opening in mouse cage 10 outer peripheral faces of axis that rotates on the mouse cage 10, the draw-in groove 7 embedded open type slivers 8 that are connected to have in the form of sheets and the whole sealing sliver 9 that is embedded in the mouse cage 10 between open type sliver 8 and the adjacent open type sliver 8; Decrease in further reducing, raise the efficiency, mouse cage 10 is made for the cast copper material; In order to guarantee the long-time efficient operation of this three-phase induction asynchronous machine, the inner of rotating shaft 2 is fixed with cooling wind blade 11, and cooling wind blade 11 together rotates with rotating shaft 2, the inner heat that produces in the time of can taking away the work of this three-phase induction asynchronous machine.
The rotor 3 of three-phase induction asynchronous machine and stator 4 form by silicon steel plate stacking, and three phase sine distributed winding 5 magnetic fluxs are even, magnetic flux density is strong, the setting of open type sliver 8 and sealing sliver 9 has also improved starting performance, this three-phase induction asynchronous machine has good starting performance and Ultra-High Efficiency, ultra-high efficient motor than the IE3 usefulness standard of international IEC60034-30 standard also exceeds 2-6% efficient point, exceed 5-17% efficient point than Chinese JB/T8680-2008Y2 series three-phase asynchronous motor, this three-phase induction asynchronous machine is easily manufactured in addition, low cost of manufacture.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as casing 1, rotating shaft 2, rotor 3, stator 4, three phase sine distributed winding 5, slot for winding 6, draw-in groove 7, open type sliver 8, sealing sliver 9, mouse cage 10, cooling wind blade 11, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims (8)

1. three-phase induction asynchronous machine, comprise casing (1), be equipped with rotating shaft (2) in the described casing (1), circumferentially be fixed with rotor (3) in the described rotating shaft (2), described rotor (3) outside is arranged with the stator (4) of circumferentially fixing with casing (1), it is characterized in that, described rotor (3) is formed by silicon steel plate stacking and the embedded mouse cage (10) that is connected to of rotor (3), described stator (4) is also formed by silicon steel plate stacking, is fixed with three phase sine distributed winding (5) in the described stator (4).
2. a kind of three-phase induction asynchronous machine according to claim 1 is characterized in that, the ratio of described stator (4) internal diameter and stator (4) external diameter is 0.52-0.58: 1.
3. a kind of three-phase induction asynchronous machine according to claim 1, it is characterized in that, described stator (4) has the slot for winding (6) that resembles a pear in shape, described three phase sine distributed winding (5) is wrapped on the slot for winding (6), and the current density of described three phase sine distributed winding (5) is 4.5-7A/mm 2
4. a kind of three-phase induction asynchronous machine according to claim 1 is characterized in that, the air cleft gap between described stator (4) internal diameter and rotor (3) external diameter is 0.6-1.0mm.
5. according to claim 1 and 2 or 3 or 4 described a kind of three-phase induction asynchronous machines, it is characterized in that, have a corral on the described mouse cage (10) and rotate that the axis of son (3) is equally distributed to have the draw-in groove (7) of opening, the embedded open type sliver (8) that is connected to of described draw-in groove (7) in mouse cage (10) outer peripheral face.
6. a kind of three-phase induction asynchronous machine according to claim 5, it is characterized in that, have between described open type sliver (8) and the adjacent open type sliver (8) in the form of sheets and integral body be embedded in sealing sliver (9) in the mouse cage (10).
7. a kind of three-phase induction asynchronous machine according to claim 5 is characterized in that, described mouse cage (10) is made for the cast copper material.
8. according to claim 1 and 2 or 3 or 4 described a kind of three-phase induction asynchronous machines, it is characterized in that the inner of described rotating shaft (2) is fixed with cooling wind blade (11).
CN 201220600167 2012-11-07 2012-11-07 Three-phase induction asynchronous motor Expired - Fee Related CN202872593U (en)

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CN 201220600167 CN202872593U (en) 2012-11-07 2012-11-07 Three-phase induction asynchronous motor

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Application Number Priority Date Filing Date Title
CN 201220600167 CN202872593U (en) 2012-11-07 2012-11-07 Three-phase induction asynchronous motor

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CN202872593U true CN202872593U (en) 2013-04-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102957281A (en) * 2012-11-07 2013-03-06 温岭市东菱电机有限公司 Three-phase induction asynchronous motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102957281A (en) * 2012-11-07 2013-03-06 温岭市东菱电机有限公司 Three-phase induction asynchronous motor

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130410

Termination date: 20151107

EXPY Termination of patent right or utility model