CN2084679U - Petal type great coil winding disk motor - Google Patents
Petal type great coil winding disk motor Download PDFInfo
- Publication number
- CN2084679U CN2084679U CN 91203795 CN91203795U CN2084679U CN 2084679 U CN2084679 U CN 2084679U CN 91203795 CN91203795 CN 91203795 CN 91203795 U CN91203795 U CN 91203795U CN 2084679 U CN2084679 U CN 2084679U
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- stator
- petal type
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- coil winding
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Abstract
A petal type large coil winding disk motor is composed of a stator, a rotor, operating wheels, etc. The stator mainly comprises an iron core, windings and a stator shell. The stator is characterized in that the windings adopt petal type large coil windings; the petal type large coil windings have convenient dropping, higher mechanical strength, higher electricity dielectric strength and larger heat dispersion area, and increase magnetic flux area, improve induced electromotive force, and therefore, enhance single-machine capacity and efficiency.
Description
The utility model is about a kind of disc type electric machine, more specifically says so and has adopted the big coil windings axial air-gap of novel petal disc type electric machine.
Existing axial air gap electric machine mainly is the disc-type electric motor that is called that occurs the seventies.Applied for a kind of axial air gap electric machine Chinese patent application CN87108319.1 number, the one, the two gap structures of two stator single rotors; The one, stator is Duoed many gap structures of one than rotor, but total version, particularly winding configuration and above-mentioned disc-type electric motor indifference (referring to Fig. 3).The common fault of this type of axial air gap electric machine is: the iron core forming difficulty, and especially its winding construction still adopts the technology of radial air gap conventional motors, and the groove number is more, iron core forming is just difficult all the more.Its reason is: iron core is to use to reel towards the silicon strip of grooved hole to form, and all unequal with the distance that goes up between every adjacent slot, like this will refinement degree height, complex process, equipment be also very expensive.So since coming out the seventies, be not greatly developed always.
The purpose of this utility model will overcome above-mentioned shortcoming exactly, a kind of improved axial air gap electric machine is provided, and it makes the groove number of stator core significantly reduce, and winding has bigger magnetic flux area, thereby improve single-machine capacity and efficient, make iron core forming oversimplify, reduce production costs greatly.
The utility model mainly is to adopt big coil windings of petal type and corresponding stator core to achieve the above object.
According to petal type large coil winding disc electric machine of the present utility model, it mainly is made up of stator, rotor, support, active wheel, the groove number of stator core significantly reduces, and winding has bigger magnetic flux area, thereby improve single-machine capacity and efficient, make iron core forming oversimplify, reduce production costs greatly.
The utility model mainly is to adopt big coil windings of petal type and corresponding stator core to achieve the above object.
According to petal type large coil winding disc electric machine of the present utility model, it mainly is made up of stator, rotor, support, active wheel, stator mainly comprises iron core, winding, stator case, it is characterized in that: said winding adopts the big coil windings of petal type, they are embedded in the groove of stator core, constitute full pitch and concentrate winding.
The utility model is further characterized in that: the big number of teeth of said stator is 2 times, 3 times or 4 times of rotor magnetic pole number.
According to above-mentioned petal type large coil winding disc electric machine, it is characterized in that said stator also comprises axle, said rotor and active wheel are connected as a single entity, and they rotate around said axle by bearing.
According to above-mentioned petal type large coil winding disc electric machine, it is characterized in that it comprises two stators and a rotor.
Below in conjunction with accompanying drawing the utility model is elaborated.
Fig. 1 has shown first kind of embodiment of the present utility model, and it is a kind of single air gap permanent magnet alternating current generator.
Figure 1A is an outside drawing, and Figure 1B is the semi-section structural representation.
Fig. 2 has shown second kind of embodiment of the present utility model, and it is an a kind of pair of air gap excitation-type alternating current generator.
Fig. 2 A is the semi-section structural representation, and Fig. 2 B is an outside drawing.
Fig. 3 is a prior art winding schematic diagram.
Fig. 4 is the big coil windings schematic diagram of single-phase petal type of the present utility model.
Fig. 5 is the big coil windings schematic diagram of two-phase petal type of the present utility model.
Fig. 6 is the big coil windings schematic diagram of three-phase petal type of the present utility model.
Fig. 7 is the axial magnetic circuit schematic diagram of generator among Fig. 1.
Fig. 8 is the axial magnetic circuit schematic diagram of generator among Fig. 2.
Fig. 9 is stator core construction figure.
Figure 10 is a rotor structure figure.
Referring to Fig. 1, first embodiment of the present utility model is single air gap permanent magnet alternating current generator.It mainly is made up of stator (1), support (2), rotor (3), active wheel (4).Present embodiment adopts cantilever support structure, and axle is fixed together with stator, and is motionless, and rotor is by the end rotation of bearing at axle.Stator (1) comprises axle (6), pad (7), iron core (8) (referring to Fig. 9), winding (9) and stator case (10), and winding (9) can adopt Fig. 4, Fig. 5 or the big coil windings of petal type shown in Figure 6.Rotor (3) comprises magnetic pole (11), yoke (12), rotor case (13) and rubber ring (15), and magnetic pole (11) is made of the fan-shaped magnet piece, and they are evenly distributed on the plate-like yoke (12) along circumference.Above-mentioned runner (4) connects as one by three screws (14) and rotor, and they can rotate around axle (6) by bearing (16).The right-hand member of axle (6) utilizes nut (17) locking.The right side of nut (7) has end cap (5) to shield.
Fig. 2 has shown second kind of embodiment of the present utility model, and it is two air gap excitation-type alternating current generators.It is mainly by two stators (20,22), a rotor (21), left and right sides support (19,23), and three connecting bolts (18) are formed.On stator (20) and stator (22) structure is identical, on stator (1) structure among they and Fig. 1 also is essentially identical, different just axles (25) are not fastened on the stator (20,22), but be fastened on the rotor (21), they rotate with respect to stator by bearing (26).Rotor (21) adopts excitation-type, and it comprises wheel (30), yoke (31), excitation winding (32) and magnetic pole (33).Certainly the also available active wheel (24) that is installed in the motor outside of wheel (30) replaces.
Fig. 3 is the winding schematic diagram of prior art, can find out that therefrom its iron core fluting is many, winding complexity, difficult wiring.
Fig. 4, Fig. 5 and Fig. 6 have shown the big coil windings of petal type that the utility model adopted under three kinds of situations, and the rotor of their correspondences is three pairs of magnetic poles.
Fig. 4 is the situation of monophase machine, and two winding coils (34,35) are embedded in 6 grooves of stator core, and therefore, stator has only 6 stator canine tooths (36), is 2 times of rotor magnetic pole logarithm (3 pairs).Respectively there are 3 petals winding coil (34) and (35), and stagger mutually, constitute full pitch and concentrate winding, so not only made full use of the iron core peripheral space, increase the magnetic flux area, can obtain higher electromotive force, but also overcome the shortcoming that traditional full pitch is concentrated winding consumption copper.Winding coil (34) differs a stator canine tooth with winding coil (35), i.e. the serial or parallel connection connected mode is adopted in 180 ° of phase phasic differences, they can be formed a single-phase winding.
This winding configuration that the utility model adopted, any single-turn circular coil all can all act on simultaneously with the magnetic flux that all pole pairs of rotor provide.Induced electromotive force is proportional to the rate of change of this circle coil flux amount.If φ m is the magnetic flux of a pair of magnetic pole, P is the magnetic pole logarithm, and f is a frequency, and then induced electromotive force is:
E＝4.44Pfφm
Above-mentioned formula equally also is applicable to the situation of Fig. 5, Fig. 6.
Fig. 5 is the situation of two-phase induction motor, and winding coil (37) and (38) 180 ° of phasic differences mutually adopt the serial or parallel connection mode to form first winding; It also is to differ 180 ° that winding coil (39) and (40) differ, and adopts the serial or parallel connection mode to form second winding.Herein, stator has 12 stator canine tooths (41), and it is 4 times of rotor magnetic pole logarithm (3 pairs).
Fig. 6 is the three phase electric machine situation, and winding coil (42), (43), (44) constitute A, B, C three phase windings respectively.Stator has 9 stator canine tooths (45) herein, and it is 3 times of rotor magnetic pole logarithm (3 pairs).
Fig. 7 has represented the axial magnetic circuit of generator among Fig. 1, (46) expression magnetic line of force.
Fig. 8 has represented the axial magnetic circuit of generator among Fig. 2, (47) expression magnetic line of force.
Fig. 9 is stator core construction figure, and iron core (8) only has 6 grooves, and it is applicable to monophase machine shown in Figure 4.
Figure 10 is the structure chart of used excitation-type rotor in the motor shown in Figure 2.It comprises yoke (31), in yoke (31) both sides excitation winding (32) is arranged respectively.
Describe specific embodiment of the utility model above in detail, because the utility model has adopted the iron core of big coil windings of unique petal type and sagittal plane, be equipped with short magnetic circuit and less parts, and the generator of the single air gap of simple explained hereafter, two air gaps, raw-material utilance be can improve greatly, single-machine capacity and efficient increased substantially.Particularly single gap structure, for electromechanical integration provides great convenience because stator, rotor can be divided into separately independently two partly from air gap, when electromechanics in conjunction with the time, can realize not having mechanical frictional drive.Because the utility model adopts the less stator canine tooth of plane air gap, number, narrower notch, generator can reduce the disturbance of main field when operation, again because the axis of armature field always is parallel to the axis of main field, alleviated the distortion of the main field that causes because of armature reaction, so positive effect is arranged to improving the electromotive force quality.Because the utility model opened up radial space, be convenient to heat radiation, for the manufacturing of multipole low-speed generator and large-size machine provides convenience.The utility model adopts big coil, and bigger magnetic flux area is arranged, and under the same conditions, can obtain higher induced electromotive force, so improved the utilization of copper.This winding not only conveniently rolls off the production line, insulation easily, and enough mechanical strengths and dielectric strength are arranged again.Therefore, the utlity model has very outstanding effect.
Claims (6)
1, a kind of petal type large coil winding disc electric machine, it mainly is made up of stator (1), rotor (3), support (2), active wheel (4), stator mainly comprises iron core (8), winding (9), stator case (10), it is characterized in that: said winding (9) adopts the big coil windings of petal type (34,35,37,38,39,40,42,43,44), they are embedded in the groove of said iron core (8), constitute full pitch and concentrate winding.
2, according to the described petal type large coil winding disc electric machine of claim 1, the big number of teeth that it is characterized in that said stator is 2 times of rotor magnetic pole logarithm.
3, according to the described petal type large coil winding disc electric machine of claim 1, the big number of teeth that it is characterized in that said stator is 3 times of rotor magnetic pole logarithm.
4, according to the described petal type large coil winding disc electric machine of claim 1, the big number of teeth that it is characterized in that said stator is 4 times of rotor magnetic pole logarithm.
5, according to the described petal type large coil winding disc electric machine of claim 1～4, it is characterized in that said stator also comprises axle (6), said rotor (3) is connected as a single entity with active wheel (4), and they rotate around axle (6) by bearing (16).
6,, it is characterized in that it comprises two stators (20,22), a rotor (21) according to the described petal type large coil winding disc electric machine of claim 1～4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91203795 CN2084679U (en) | 1991-03-16 | 1991-03-16 | Petal type great coil winding disk motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91203795 CN2084679U (en) | 1991-03-16 | 1991-03-16 | Petal type great coil winding disk motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2084679U true CN2084679U (en) | 1991-09-11 |
Family
ID=4914021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91203795 Expired - Lifetime CN2084679U (en) | 1991-03-16 | 1991-03-16 | Petal type great coil winding disk motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2084679U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108370178A (en) * | 2015-12-03 | 2018-08-03 | 三菱电机株式会社 | Axial-gap rotary electric machine and its manufacturing method |
| WO2020098126A1 (en) * | 2018-11-14 | 2020-05-22 | 歌尔股份有限公司 | Brushless motor and mechanical arm |
| CN111740517A (en) * | 2020-07-31 | 2020-10-02 | 江苏华力易电科技有限公司 | Rotor of disc type asynchronous motor and motor with same |
-
1991
- 1991-03-16 CN CN 91203795 patent/CN2084679U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108370178A (en) * | 2015-12-03 | 2018-08-03 | 三菱电机株式会社 | Axial-gap rotary electric machine and its manufacturing method |
| CN108370178B (en) * | 2015-12-03 | 2021-12-03 | 三菱电机株式会社 | Axial gap type rotating electric machine and method for manufacturing same |
| WO2020098126A1 (en) * | 2018-11-14 | 2020-05-22 | 歌尔股份有限公司 | Brushless motor and mechanical arm |
| CN111740517A (en) * | 2020-07-31 | 2020-10-02 | 江苏华力易电科技有限公司 | Rotor of disc type asynchronous motor and motor with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |