CN201549942U - Shading coil type motor - Google Patents

Shading coil type motor Download PDF

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Publication number
CN201549942U
CN201549942U CN2009201833125U CN200920183312U CN201549942U CN 201549942 U CN201549942 U CN 201549942U CN 2009201833125 U CN2009201833125 U CN 2009201833125U CN 200920183312 U CN200920183312 U CN 200920183312U CN 201549942 U CN201549942 U CN 201549942U
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CN
China
Prior art keywords
stator
core
rotor
winding
motor
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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
CN2009201833125U
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Chinese (zh)
Inventor
蔡子章
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.)
QUANZHOU QUANFENG ELECTRIC MACHINERY CO Ltd
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QUANZHOU QUANFENG ELECTRIC MACHINERY CO Ltd
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Priority to CN2009201833125U priority Critical patent/CN201549942U/en
Application granted granted Critical
Publication of CN201549942U publication Critical patent/CN201549942U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a shading coil type motor, which comprises a stator and a squirrel cage rotor, wherein the stator comprises stator poles, a short circuit winding and a stator core stacked by stator punched segments; the width between stator poles is 30.25 mm; the length of the stator core is 25 mm; the outer edge of the stator core is provided with two vertical-cutting edges; the distance between the two edges is 72 mm and the diameter of the central circular hole of the stator core is 42 mm; squirrel cage rotor comprises a rotating shaft and a rotator core stacked by stator punched segments, the length of the rotator core is 25 mm, the outer diameter is 41.3 mm; the circumference of the rotator core is provided with a slot winding, and the center thereof is provided with a shaft hole, area of each winding is 19.79 mm2, the windings are all in diclinic shape, circle edge of the shaft hole is provided with an open slot. Motors improved through the technology have the advantages of low required material consumption, reduced production cost, and small total noise of the motor, and greatly increased output power.

Description

A kind of shaded pole motor
Technical field
The utility model relates to technical field of motors, and particularly a kind of stator core and rotor core structure to shaded pole motor improves motor to raise the efficiency.
Background technology
The shaded pole motor that current comparatively wide model uses is the simplest a kind of in the one-way communication motor, adopts the cage modle skewed rotor usually.It is divided into salient pole type shaded pole motor and hidden pole type shaded pole motor again according to the difference of stator contour structures.The stator core profile of salient pole type shaded pole motor is square, rectangle or circular field frame, and magnetic pole protrudes, and one or more short circuit copper rings that help out is all arranged, i.e. the split-pole winding on each magnetic pole.Concentrated winding on the magnet limbs is as main winding.The salient pole type shaded pole motor is simple in structure, but efficient is relatively low, and its structure and capacitor-operated motor can not be general.
Specifically, this shaded pole motor generally comprises stator and cage rotor, stator is made up of stator core, stator winding, magnetic pole of the stator, short-circuited conducting band etc., wherein, stator core is stamped to form by the stack of multi-disc stator punching, stator core central authorities have the circular hole of placing rotor, stator winding on the magnetic pole of the stator as main winding.And cage rotor comprises rotating shaft, rotor core, rotor winding, and rotor core is stamped to form by the stack of plural pieces rotor punching, and circumferential edge is uniform-distribution with a plurality of coil grooves, and this rotor also comprises the sliver in the rotor coil groove.For the additional torque and the noise that suppress to produce because of high order harmonic component magnetic field, the cage modle rotor generally also has skewed slot.A kind of cage rotor motor that meets national standard is arranged, and its parameter is: stator poles is wide to be 29.5mm, and stator core is long to be 30mm, and stator outer diameter is 81mm, and diameter of stator bore is 40mm; The long 30mm of this rotor core, each coil groove area is 17.47mm 2, rotor diameter is 39.2mm.Have the required various metal materials of the shaded pole motor of said structure and parameter and standard and consume highly, improved manufacturing cost, and motor when rotating electromagnetic noise big, but the delivery efficiency of motor is low.
The utility model content
Shortcomings such as the utility model provides a kind of shaded pole motor, and its main purpose is to overcome conventional mask pole type motor material consumption height, and electromagnetic noise is big during machine operation, and the delivery efficiency of motor is low.
The utility model adopts following technical scheme: the utility model shaded pole motor, comprise stator and cage rotor, stator comprises magnetic pole of the stator, stator winding, short-circuited conducting band and the stator core that is formed by stacking by the plural pieces stator punching, the long 25mm of stator core, wide 30.25mm between the adjacent stators magnetic pole, short-circuited conducting band and stator winding link and are fixed on the magnetic pole of the stator, stator core central authorities have circular hole and its and rotate with rotor and cooperate, the diameter 42mm of this central circular hole, the stator core outer has two vertical cut limits symmetrically, one of them side cut groove is provided with semicircle perforate, and the distance at this place, two vertical cuts limit is 72mm;
Cage rotor comprises rotating shaft and the rotor core that is formed by stacking by the plural pieces rotor punching, and the long 25mm of this rotor core, its external diameter are 41.3mm, and rotor core has axis hole along circumference 17 coil grooves of even distribution and center, and each coil groove area is 19.79mm 2, this each coil groove all has with respect to axes of rotation skew and first sloping portion of assembling towards the central plane of iron core symmetrically and the diclinic shape of second sloping portion, and the circumference of described axis hole is along being provided with half rounded groove.
By above-mentioned description to the utility model structure as can be known, compare, the utlity model has following advantage with prior art:
1, physical dimensions such as the gross area by wide between the magnetic pole of the stator that changes motor, stator core length, diameter of stator bore, rotor core length, coil groove, rotor diameter, and the technological improvement that has two vertical cut limits in the outer of stator punching symmetrically, make that the material consumption of motor is low, reduced production cost, but the delivery efficiency of motor is greatly improved.
2, by being provided with the double skewed slots structure at the rotor coil groove, can significantly suppress additional torque and electromagnetic noise because of the generation of high order harmonic component magnetic field, make the motor overall noise little.
Description of drawings
Fig. 1 is the stator core construction schematic diagram of a kind of shaded pole motor of the utility model.
Fig. 2 is the rotor core structure schematic diagram of a kind of shaded pole motor of the utility model.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.
With reference to figure 1, a kind of shaded pole motor of the utility model comprises stator and cage rotor, stator comprise magnetic pole of the stator 2,2 ', this two magnetic pole of the stator 2,2 ' wide is 30.25mm, and stator core 1 is by the stack of multi-disc stator punching and through being stamped to form the length 25mm of stack back stator core 1.The material of stator punching adopts the cold rolling silicon steel sheet of DR470.Stator core 1 is provided with some screws 4, makes it to become integral body in order to the stator punching after fastening the stacking.Short-circuited conducting band 3 red copper manufacturing, short-circuited conducting band 3 is connected with the winding of stator core 1, and be fixed on magnetic pole of the stator 2,2 ' on.Stator core 1 central authorities have circular hole 5, and in order to place rotor, pore size rotates with rotor and cooperates, and in order to reach better effect, the diameter of circular hole 5 is 42mm; The outer of stator core 1 have symmetrically two vertical cut limits 11,11 ', the distance on two vertical cut limits is 72mm, and the external diameter of this stator core 1 at the round edge place is 81mm.On vertical cut limit 11, be provided with semicircle perforate 112.
With reference to figure 2, cage rotor iron core 6 is superposeed by the multi-disc rotor punching and is stamped to form, rotor core 6 long 25mm, and the circumferential edge of rotor core 6 is uniform-distribution with coil groove 61, and the rotor winding places coil groove 61.Also have an end of end ring 7 and rotor winding to link on the rotor core 6; The center of rotor core 6 has axis hole 62, and rotor shaft is fastened in the axis hole 62.The circumference of axis hole 62 is along being provided with half rounded groove 63; Each coil groove 61 all has the double skewed slots shape, and this skewed slot has first sloping portion and second sloping portion of also assembling towards the central plane of iron core symmetrically with respect to axes of rotation skew.Each coil groove 61 area is 19.79mm 2, rotor diameter is 41.3mm.
Through top motor stator and rotor are done technological improvement after, and through testing further proof, the material consumption of motor reduces, efficiency of motor but is greatly improved.Following table is the parameter comparison sheet that motor is done forward and backward performance of technological improvement and main material consumption.
Model Power Voltage Electric current Rotating speed Efficient Umber of turn The line footpath The aluminium consumptive material
After the improvement 12W 220V 0.305A 2550r/min 35.6% 880 0.25mm 0.065kg
Before the improvement 12W 220V 0.332A 2480r/min 32.8% 900 0.25mm 0.0825kg
Model Power Voltage Electric current Rotating speed Efficient Umber of turn The line footpath The aluminium consumptive material
Model Stator outer diameter Diameter of stator bore Rotor diameter Iron core is long Wide between magnetic pole of the stator The rotor area The iron core consumptive material The copper cash consumptive material
After the improvement 81mm side cut 72mmm 42mm 41.3mm 25mm 30.25mm 19.79 mm 2 1.164kg 0.125kg
Before the improvement 81mm 40mm 39.2mm 30mm 29.5mm 17.47 mm 2 1.634kg 0.138kg
By top experimental data parameter as can be seen, consumptive materials such as the iron of motor, copper, aluminium all reduce, and efficiency of motor has improved 2.8%, therefore, the effect of the utility model after technological improvement is remarkable, can produce bigger economic worth and social value, and application prospect is very bright.
Above-mentioned only is embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection range.

Claims (1)

1. a shaded pole motor comprises stator and cage rotor, it is characterized in that:
Stator comprises magnetic pole of the stator, stator winding, short-circuited conducting band and the stator core that is formed by stacking by the plural pieces stator punching, the long 25mm of stator core, wide 30.25mm between the adjacent stators magnetic pole, short-circuited conducting band and stator winding link and are fixed on the magnetic pole of the stator, stator core central authorities have circular hole and its and rotate with rotor and cooperate, the diameter 42mm of this central circular hole, the stator core outer has two vertical cut limits symmetrically, one of them side cut groove is provided with semicircle perforate, and the distance at this place, two vertical cuts limit is 72mm;
Cage rotor comprises rotor winding, rotating shaft and the rotor core that is formed by stacking by the plural pieces rotor punching, the long 25mm of this rotor core, its external diameter is 41.3mm, and rotor core is evenly distributed with 17 coil grooves and the center has axis hole along circumference, and each coil groove area is 19.79mm 2, this each coil groove all has with respect to axes of rotation skew and first sloping portion of assembling towards the central plane of iron core symmetrically and the diclinic shape of second sloping portion, and the circumference of described axis hole is along being provided with a fluting.
CN2009201833125U 2009-09-29 2009-09-29 Shading coil type motor Expired - Fee Related CN201549942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201833125U CN201549942U (en) 2009-09-29 2009-09-29 Shading coil type motor

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Application Number Priority Date Filing Date Title
CN2009201833125U CN201549942U (en) 2009-09-29 2009-09-29 Shading coil type motor

Publications (1)

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CN201549942U true CN201549942U (en) 2010-08-11

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280956A (en) * 2011-08-19 2011-12-14 浙江泰达微电机有限公司 Rotor punching sheet of shaded pole motor
CN102545453A (en) * 2010-12-20 2012-07-04 康平科技(苏州)有限公司 Method for replacing sheet steel casing with different outer diameters
CN107786052A (en) * 2016-08-24 2018-03-09 冉洪 A kind of level Four cover level motor
CN108696009A (en) * 2018-04-29 2018-10-23 东莞市高创电机科技有限公司 A kind of series excited machine
CN113839529A (en) * 2021-10-30 2021-12-24 漳州市振辉电机制造有限公司 Rotor formed by one-time stamping and manufacturing method thereof
WO2023164880A1 (en) * 2022-03-03 2023-09-07 罗灿 Yoke winding multi-speed shaded pole motor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102545453A (en) * 2010-12-20 2012-07-04 康平科技(苏州)有限公司 Method for replacing sheet steel casing with different outer diameters
CN102280956A (en) * 2011-08-19 2011-12-14 浙江泰达微电机有限公司 Rotor punching sheet of shaded pole motor
CN107786052A (en) * 2016-08-24 2018-03-09 冉洪 A kind of level Four cover level motor
CN108696009A (en) * 2018-04-29 2018-10-23 东莞市高创电机科技有限公司 A kind of series excited machine
CN113839529A (en) * 2021-10-30 2021-12-24 漳州市振辉电机制造有限公司 Rotor formed by one-time stamping and manufacturing method thereof
WO2023164880A1 (en) * 2022-03-03 2023-09-07 罗灿 Yoke winding multi-speed shaded pole motor

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100811

Termination date: 20180929

CF01 Termination of patent right due to non-payment of annual fee