CN103051129A - Single phase asynchronous electromotor - Google Patents
Single phase asynchronous electromotor Download PDFInfo
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- CN103051129A CN103051129A CN2012105954958A CN201210595495A CN103051129A CN 103051129 A CN103051129 A CN 103051129A CN 2012105954958 A CN2012105954958 A CN 2012105954958A CN 201210595495 A CN201210595495 A CN 201210595495A CN 103051129 A CN103051129 A CN 103051129A
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Abstract
The invention discloses a single phase asynchronous electromotor, which comprises a stator and a rotor, wherein the stator is composed of a stator yoke part and a rotor tooth part; the rotor is arranged in the stator tooth part; a plurality of teeth uniformly arranged in the stator tooth part along the peripheral direction correspond to grooves arranged in an inner ring part of the yoke part one by one; when the stator winding passes through alternating current, a pulsating magnetic motive force is generated by a single phase alternating current winding through the single phase alternating current; the pulsating magnetic motive force can be decomposed into a rotating magnetic motive force sum with two equal amplitude values and reverse rotating speeds, so that a magnetic field sum of a positive rotation and a negative rotation is established in an air gap; a rotor conductor is cut by two rotating magnetic fields; an induced electromotive force and induction current are generated in the rotor conductor; the current and the magnetic field mutually act to generate a positive electromagnetic torque and a negative electromagnetic torque; the positive electromagnetic torque aims to enable the rotor to positively rotate, and the negative electromagnetic torque aims to enable the rotor to negatively rotate; and the two torques are overlaid to be a resultant torque for pushing the electromotor to rotate.
Description
Technical field
The present invention relates to a kind of monopole asynchronous motor.
Background technology
Present monopole asynchronous motor can be divided into shaded-pole and split-phase type two large classes by starting principle, but because the split-phase type monopole asynchronous motor is compared with the shaded-pole monopole asynchronous motor, its manufacture craft trouble, price is more expensive, and the shortcoming such as operation and maintenance inconvenience, so that the use occasion of split-phase type monopole asynchronous motor is by the replacement slowly of shaded-pole monopole asynchronous motor, but in existing technology, the shaded-pole monopole asynchronous motor is a complete integral body, in manufacture process, exists the manufacturing process complexity, inefficiency, rate of finished products is not high, and particularly the raw-material utilance such as enamel covered wire is low
Summary of the invention
The technical problem to be solved in the present invention provides a kind ofly boosts productivity and property indices by the structure that changes original nail, saves raw material, reduces the monopole asynchronous motor of the manufacturing cost of monopole asynchronous motor.
For addressing the above problem, the present invention adopts following technical scheme: a kind of monopole asynchronous motor of the present invention, comprise stator and rotor, described stator is comprised of stator yoke section and stator teeth two parts, described rotor is installed in the stator teeth, described stator teeth evenly arranges several teeth in the circumferential direction of the circle, described stator teeth is provided with coil, the inner ring position of described stator yoke section is provided with groove, several teeth that described stator teeth evenly arranges in the circumferential direction of the circle are corresponding one by one with the groove that the inner ring position of stator yoke section is provided with, and the increment of each tooth is entrenched in respectively in the corresponding groove.
As preferred technical scheme, described stator increment is swallow-tail form, corresponding groove also is swallow-tail form, cover has the insulation coil holder on several teeth that described stator teeth evenly arranges in the circumferential direction of the circle, described insulation coil holder is provided with coil, on tooth near the position of increment be provided with play the role of positioning from catching groove, between two adjacent in stator yoke section grooves, be provided with the catching groove that plays the role of positioning.
As preferred technical scheme, described rotor is by rotating shaft, rotor core and rotor winding three parts form, described rotor core is formed by the identical silicon steel sheet stack of some shapes, rotating shaft is positioned at rotor core central authorities, be provided with the aluminium ring in the rotor core both sides, described rotor core is the part of motor magnetic circuit, it and stator core have certain gap, rotor core is the same with stator core, also be by certain thickness silicon steel sheet jet-bedding and between sheet, be coated with insulating varnish and form through superzapping outside, described rotor winding embeds in groove, described rotating shaft is in order to the support rotor iron core, to bear larger torque, on the every silicon steel sheet of described rotor core gap is set uniformly.
As preferred technical scheme, the tooth root on the described stator teeth between adjacent two teeth disconnects mutually, in case the stress of the contact between the principal vertical line circle and generation is concentrated.
The beneficial effect of a kind of monopole asynchronous motor of the present invention is: when stator winding passes through alternating current, the single phase alternating current (A.C.) winding passes into single phase alternating current (A.C.) and produces pulsating mmf, this magnetomotive force can be decomposed into two amplitudes equate, rotating speed is opposite rotating mmf and, thereby in air gap, set up rotate and reverse magnetic field and, these two rotating magnetic field cutting rotor conductors, and in rotor conductor, produce respectively induced electromotive force and induced current, this electric current and magnetic field interaction produce positive and negative electromagnetic torque, and the attempt of forward electromagnetic torque makes the rotor forward; Oppositely the electromagnetic torque attempt makes the rotor counter-rotating, and it is exactly to promote the synthetic torque that motor rotates that these two torques stack up.
Description of drawings
In order to be easy to explanation, the present invention is done to describe in detail by following specific embodiment and accompanying drawing.
Fig. 1 is the structural representation of a kind of monopole asynchronous motor of the present invention;
Fig. 2 is the structural representation of the stator yoke section of a kind of monopole asynchronous motor of the present invention;
Fig. 3 is the structural representation of the rotor of a kind of monopole asynchronous motor of the present invention;
Fig. 4 be a kind of monopole asynchronous motor of the present invention around the stator winding of insulation on the coil holder;
Fig. 5 is the stator teeth structural representation of a kind of monopole asynchronous motor of the present invention;
Fig. 6 is the outline drawing of a kind of monopole asynchronous motor of the present invention.
Embodiment
As shown in Figure 1, a kind of monopole asynchronous motor of the present invention, comprise stator 1 and rotor 2, described stator 1 is comprised of stator yoke section 3 and stator teeth 4 two parts, described rotor 2 is installed in the stator teeth 4, described stator teeth 4 evenly arranges several teeth 5 in the circumferential direction of the circle, described stator teeth 4 is provided with coil 6, the inner ring position of described stator yoke section 3 is provided with groove 7, several teeth 5 that described stator teeth 4 evenly arranges in the circumferential direction of the circle are corresponding one by one with the groove 7 that the inner ring position of stator yoke section 3 is provided with, and the increment 8 of each tooth 5 is entrenched in respectively in the corresponding groove 7.
Further, in alternating current machine, when stator winding passes through alternating current, set up armature magnetomotive force, it all has a significant impact motor power conversion and runnability, so the single phase alternating current (A.C.) winding passes into single phase alternating current (A.C.) and produces pulsating mmf, this magnetomotive force can be decomposed into two amplitudes and equate, the opposite rotating mmf of rotating speed and, thereby in air gap, set up rotate and reverse magnetic field and, these two rotating magnetic field cutting rotor conductors, and in rotor conductor, producing respectively induced electromotive force and induced current, this electric current and magnetic field interaction are just producing, anti-electromagnetic torque, the forward electromagnetic torque makes the rotor forward; Oppositely electromagnetic torque makes the rotor counter-rotating, and it is exactly to promote the synthetic torque that motor rotates that these two torques stack up; Monopole asynchronous motor is that it is applicable to only have in the back yard industry equipment and household electrical appliance of single phase poaer supply by a class motor of 220V single phase alternating current power supply power supply.
Described stator increment 8 is swallow-tail form, corresponding groove 7 also is swallow-tail form, cover has insulation coil holder 9 on several teeth 5 that described stator teeth 4 evenly arranges in the circumferential direction of the circle, described insulation coil holder 9 is provided with coil 6, on tooth near the position of increment 8 be provided with play the role of positioning from catching groove 10, between two adjacent in the stator yoke section 3 grooves 7, be provided with the catching groove 11 that plays the role of positioning.
Described rotor 2 is by rotating shaft 12, rotor core 13 and rotor winding 14 3 parts form, described rotor core 13 is formed by the identical silicon steel sheet stack of some shapes, rotating shaft 12 is positioned at rotor core 13 central authorities, be provided with the aluminium ring in rotor core 13 both sides, described rotor core 13 is parts of motor magnetic circuit, it and stator core have certain gap, rotor core 13 is the same with stator core 2, also be by certain thickness silicon steel sheet jet-bedding and between sheet, be coated with insulating varnish and form through superzapping outside, described rotor winding 14 embeds in groove, described rotating shaft 12 is in order to support rotor iron core 13, to bear larger torque, on the every silicon steel sheet of described rotor core 13 gap 15 is set uniformly.
A kind of monopole asynchronous motor of the present invention has the following advantages: when stator winding passes through alternating current, the single phase alternating current (A.C.) winding passes into single phase alternating current (A.C.) and produces pulsating mmf, this magnetomotive force can be decomposed into two amplitudes equate, rotating speed is opposite rotating mmf and, thereby in air gap, set up rotate and reverse magnetic field and, these two rotating magnetic field cutting rotor conductors, and in rotor conductor, produce respectively induced electromotive force and induced current, this electric current and magnetic field interaction produce positive and negative electromagnetic torque, and the attempt of forward electromagnetic torque makes the rotor forward; Oppositely the electromagnetic torque attempt makes the rotor counter-rotating, it is exactly to promote the synthetic torque that motor rotates that these two torques stack up, it is boosted productivity and property indices by the structure that changes original nail, save raw material, reduce the monopole asynchronous motor of the manufacturing cost of monopole asynchronous motor.
The above be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, and any variation or replacement of expecting without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range that claims were limited.
Claims (4)
1. monopole asynchronous motor, comprise stator and rotor, it is characterized in that: described stator is comprised of stator yoke section and stator teeth two parts, described rotor is installed in the stator teeth, described stator teeth evenly arranges several teeth in the circumferential direction of the circle, described stator teeth is provided with coil, the inner ring position of described stator yoke section is provided with groove, several teeth that described stator teeth evenly arranges in the circumferential direction of the circle are corresponding one by one with the groove that the inner ring position of stator yoke section is provided with, and the increment of each tooth is entrenched in respectively in the corresponding groove.
2. monopole asynchronous motor according to claim 1, it is characterized in that: described stator increment is swallow-tail form, corresponding groove also is swallow-tail form, cover has the insulation coil holder on several teeth that described stator teeth evenly arranges in the circumferential direction of the circle, described insulation coil holder is provided with coil, on tooth near the position of increment be provided with play the role of positioning from catching groove, between two adjacent in stator yoke section grooves, be provided with the catching groove that plays the role of positioning.
3. monopole asynchronous motor according to claim 1, it is characterized in that: described rotor is by rotating shaft, rotor core and rotor winding three parts form, described rotor core is formed by the identical silicon steel sheet stack of some shapes, rotating shaft is positioned at rotor core central authorities, be provided with the aluminium ring in the rotor core both sides, described rotor core is the part of motor magnetic circuit, it and stator core have certain gap, rotor core is the same with stator core, also be by certain thickness silicon steel sheet jet-bedding and between sheet, be coated with insulating varnish and form through superzapping outside, described rotor winding embeds in groove, described rotating shaft is in order to the support rotor iron core, to bear larger torque, on the every silicon steel sheet of described rotor core gap is set uniformly.
4. monopole asynchronous motor according to claim 1 is characterized in that: the tooth root on the described stator teeth between adjacent two teeth disconnects mutually, in case the stress of the contact between the principal vertical line circle and generation is concentrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105954958A CN103051129A (en) | 2012-12-10 | 2012-12-10 | Single phase asynchronous electromotor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105954958A CN103051129A (en) | 2012-12-10 | 2012-12-10 | Single phase asynchronous electromotor |
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| CN103051129A true CN103051129A (en) | 2013-04-17 |
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| CN2012105954958A Pending CN103051129A (en) | 2012-12-10 | 2012-12-10 | Single phase asynchronous electromotor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312058A (en) * | 2013-06-28 | 2013-09-18 | 浙江宇静电机有限公司 | Split type motor stator iron core |
| CN105680581A (en) * | 2016-03-04 | 2016-06-15 | 上海电气集团股份有限公司 | High-power density permanent magnet servo motor and stator structure therefor |
| CN104242491B (en) * | 2014-09-10 | 2016-09-14 | 太原科技大学 | The outer stator type alternating current generator of packet excitation con-trol |
| CN110336408A (en) * | 2019-08-05 | 2019-10-15 | 江苏金彭集团有限公司 | A kind of electronic automobile-used high efficiency motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159402A (en) * | 2007-11-13 | 2008-04-09 | 林小平 | Single phase acynchronous motor |
| CN201118398Y (en) * | 2007-11-16 | 2008-09-17 | 林小平 | Plastic encapsulated single-phase asynchronous electromotor |
| CN201118399Y (en) * | 2007-10-31 | 2008-09-17 | 林小平 | Single-phase asynchronous electromotor stator |
-
2012
- 2012-12-10 CN CN2012105954958A patent/CN103051129A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118399Y (en) * | 2007-10-31 | 2008-09-17 | 林小平 | Single-phase asynchronous electromotor stator |
| CN101159402A (en) * | 2007-11-13 | 2008-04-09 | 林小平 | Single phase acynchronous motor |
| CN201118398Y (en) * | 2007-11-16 | 2008-09-17 | 林小平 | Plastic encapsulated single-phase asynchronous electromotor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312058A (en) * | 2013-06-28 | 2013-09-18 | 浙江宇静电机有限公司 | Split type motor stator iron core |
| CN104242491B (en) * | 2014-09-10 | 2016-09-14 | 太原科技大学 | The outer stator type alternating current generator of packet excitation con-trol |
| CN105680581A (en) * | 2016-03-04 | 2016-06-15 | 上海电气集团股份有限公司 | High-power density permanent magnet servo motor and stator structure therefor |
| CN110336408A (en) * | 2019-08-05 | 2019-10-15 | 江苏金彭集团有限公司 | A kind of electronic automobile-used high efficiency motor |
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Application publication date: 20130417 |