CN102946181A

CN102946181A - Novel motor

Info

Publication number: CN102946181A
Application number: CN 201210482398
Authority: CN
Inventors: 王九龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-26
Filing date: 2012-11-26
Publication date: 2013-02-27
Also published as: CN103346634B; CN103346634A

Abstract

The invention provides a novel motor which comprise a motor casing, a stator and a cup-shaped rotor. The novel motor is characterized in that the cup-shaped rotor is provided with a magnetized multi-pole permanent magnet which is arranged on the cup-shaped cylinder wall; and the stator is provided with a stator outer sleeve which is arranged in a magnetic conductive cylinder, a coil skeleton is arranged in a stator inner sleeve, a plurality of groups of hollow coils are configured on the coil skeleton, the coils are configured at intervals, that is, the coils are arranged opposite to the inner peripheral surface of the permanent magnet and opposite to the outer peripheral surface of the permanent magnet simultaneously. The novel motor has the advantages that stator and rotor structures of a traditional motor are changed, and interaction of the coils with the permanent magnet is improved greatly by optimizing magnetic field distribution on coil tracks, accordingly, the motor efficiency is improved greatly, the starting current is reduced, and the power consumption is decreased. The stator coils are hollow coils, iron losses are decreased, the motor weight is lightened, the slot effect is removed, and the motor temperature rising is decreased simultaneously.

Description

A kind of New-type electric machine

Technical field

The invention belongs to machine field, relate to a kind of permanent magnet motor/generator.

Background technology

Existing various motor such as induction alternating current (AC) motor, has simple in structure, reliable operation, but difficulty in starting is arranged, starting current is large, power consumption is large, caloric value is high, efficient is low, speed governing is difficult.Existing have brush and brushless DC motor to comprise permanent magnet direct current motor, though have easilier than the former high efficiency, speed governing, has that caloric value is high, cost is high, failure rate is high, easily burns, maintenance difficult, the permanent magnetic utilance is low, rotor inertia is large.

Existing generator also has common shortcoming, and that is exactly that motor easily generates heat, efficient is low, the permanent magnetic utilance is low, use cost is high.

Summary of the invention

The purpose of this invention is to provide a kind of New-type electric machine, compare with existing motor, it can take full advantage of permanent magnetic acting, has that cost is low, lightweight, efficient is high, temperature rise is low, power consumption is little, torque is large, rotor inertia is little, reliable operation, can frequently change rotating, slotless effect, long service life.

For achieving the above object, the technical solution used in the present invention is;

A kind of New-type electric machine comprises; Control box, control element, front end housing, rear end cap, bearing, motor casing, motor shaft, stator inner sleeve bearing, flux sleeve, stator, cup-shaped rotor, in the motor casing both sides front end housing and rear end cap are housed, the two end cap center is provided with bearing, the motor shaft two ends are connected with front and rear cover by bearing, flux sleeve, stator inner sleeve bearing and cup-shaped rotor one end, be connected with motor shaft respectively, stator is located in the motor casing, and stator one end is connected with rear end cap is concentric.Described cup-shaped rotor has, and is provided with the multipole permanent magnet that is magnetized at cup-shaped cylindrical wall, and the polarity of cylinder inner peripheral surface permanent magnet is identical with radially right cylinder outer peripheral face permanent magnet polarity.Stator, has the stator overcoat that in magnetic conductive cylinder, arranges, in the stator overcoat, be provided with coil rack, this coil rack is that bilayer one end of with one heart different circles links to each other, be provided with the double-layered cylinder that can be inserted in above-mentioned cup-shaped rotor and the dish gap is all arranged between two-layer, disposing many groups on the coil rack made progress in week, the staggered air core coil of two adjacent groups, namely the inner peripheral surface with above-mentioned permanent magnet is relative across the space for this coil configuration one-tenth, also the outer peripheral face with permanent magnet is relative simultaneously, and has the coil of permanent magnet inner peripheral surface identical in the permanent magnet effect of same polarity with the coil of radially corresponding permanent magnet outer peripheral face.Be provided with the stator inner sleeve in the coil rack, stator inner sleeve one end is connected with stator inner sleeve bearing, is provided with support disk between the stator inner sleeve other end and the stator overcoat.

Above the present invention is as generator.

As the present invention during as motor, be installed in one heart the disc control box that control element is housed on the rear end cap, light shutter device composition control circuit in control element and the stator is controlled the interaction of stator coil and cup-shaped rotor, thereby realizes motor operation.Control box is made of the thermal conductivity good material, plays a protective role again namely for electronic element radiating, realizes simultaneously electromechanical integration.

Adopt advantage of the present invention to be;

Changed the stator and rotor sructure of conventional motors, by optimizing the Distribution of Magnetic Field on the coil track, improved greatly the interaction of coil and permanent magnetic field, thereby electric efficiency is greatly improved, reduced starting current, reduced power consumption.

Because stator coil is air core coil, reduce iron loss, alleviated motor weight, removed slot effect, also reduced electric machine temperature rise simultaneously.

Rotor is cup-shaped, has alleviated rotor weight, has reduced rotor inertia, has improved the frequency that changes rotating.

Coil is arranged inside and outside the cup-shaped rotor, increased the active force of coil and rotor; Thereby improved the torque of motor.

The present invention is that brushless electric machine is compared with brush electrograph machine is arranged, and has improved the motor reliability, has prolonged useful life.

The present invention has realized electrodeless variable-speed with the running of electronic device control electrograph motivation.

Description of drawings

Fig. 1 is that a kind of New-type electric machine of the present invention partly cuts open schematic diagram;

Fig. 2 a is a kind of Novel motor stator coil of the present invention and coil rack assembling schematic diagram;

Fig. 2 b is a kind of Novel motor stator coil rack of the present invention generalized section;

Fig. 3 is a kind of winding form schematic diagram of a kind of New-type electric machine single coil of the present invention;

Fig. 4 is a kind of Novel motor stator overcoat of the present invention generalized section;

Fig. 5 is a kind of Novel motor stator magnetic conductive cylinder of the present invention generalized section;

Fig. 6 is a kind of Novel motor stator inner sleeve of the present invention structural representation;

Fig. 7 is a kind of Novel motor rotor supporting structure of the present invention schematic diagram; Only draw half of rotor field spider structure among the figure;

Fig. 8 is a kind of New-type electric machine cup-shaped rotor assembling of the present invention schematic diagram;

Fig. 9 is a kind of Novel motor rotor end plate of the present invention schematic perspective view;

Figure 10 is the mode that magnetizes and the schematic perspective view of a kind of New-type electric machine permanent magnet of the present invention;

Figure 11 is a kind of New-type electric machine flux sleeve of the present invention schematic diagram;

Figure 12 is a kind of New-type electric machine control box of the present invention schematic perspective view;

Have among the figure; 1 front end housing, 2 coil racks, 3 stator overcoats, 4 magnetic conductive cylinders, 5 motor casings, 6 rear end caps, 7 control elements, 8 control boxes, 9 bearings, 10 coil leads, 11 support disk, 12 rotor end plates, 13 permanent magnets, 14 coils, 15 flux sleeves, 16 stator inner sleeve bearings, 17 stator inner sleeves, 18 rotor field spiders, 19 motor shafts, 20 stators, 21 cup-shaped rotors, 201 outer reinforcements, 202 barrels, 203 light shutter devices, 204 interior reinforcements; 301 outer groovings; Grooving in the 17a, 18a magnet mouth, 13a screwed hole; The 13b reflecting strips, 12a end plate hole, 12b end plate internal orifice.

Embodiment

The present invention will be further described below in conjunction with accompanying drawing.

To shown in the accompanying drawing 12, a kind of New-type electric machine comprises referring to accompanying drawing 1; Control box 8, control element 7, front end housing 1, rear end cap 6, bearing 9, motor casing 5, motor shaft 19, stator inner sleeve bearing 16, flux sleeve 15, stator 20, cup-shaped rotor 21, in motor casing 5 both sides front end housing 1 and rear end cap 6 are housed, be provided with bearing 9 at front end housing 1 and rear end cap 6 centers, are connected with rear end cap by bearing 9 and front end housing 1 and are connected in motor shaft 19 two ends, flux sleeve 15, stator inner sleeve bearing 16 and cup-shaped rotor 21 1 ends, be connected with motor shaft 19 respectively, stator 20 is located in the motor casing 5, stator 20 1 ends and 6 concentric being connected of rear end cap.Described cup-shaped rotor 21 comprises; Permanent magnet 13, rotor field spider 18 rotor end plates 12, with many to circumferentially magnetizing, and magnetic pole strength is that the permanent magnet 13 of circular arc inserts the cup-shaped rotor support 18 of making of non-magnet material, have on (only drawing half among the figure) cup-shaped wall with permanent magnet 13 close-fitting magnet mouth 18a in, the magnetic polarity of permanent magnet 13 is relatively to arrange at the homopolarity that makes progress in week, after permanent magnet 13 all inserts, the cup-shaped recess cylindrical of rotor field spider 18 together with permanent magnet 13 1 ends be processed into can with the close-fitting termination of end plate internal orifice 12b (referring to Fig. 8 Fig. 9) of rotor end plate 12, rotor end plate 12 usefulness non-magnet materials are made, and play the effect of fixing permanent magnet 13.The end plate hole 12a of rotor end plate 12 is relative with screwed hole 13a on rotor field spider 18 cup-shaped recess, with fastened by screw (not drawing among the figure).

Stator 20 comprises; Coil rack 2, stator overcoat 3, magnetic conductive cylinder 4, coil 14, coil lead 10, support disk 11, stator inner sleeve 17, wherein magnetic conductive cylinder 4 plays magnetic screening action, available silicon steel sheet with insulating barrier builds up, or with the high magnetic conduction steel wire coiled of outer layer insulation, also the ferrite magnetic shoe of available high magnetic conduction is synthetic.Coil rack 2 for concentric bilayer one ends of different circles link to each other two-layer between be provided with the cavity double-layered cylinder that can be inserted in above-mentioned cup-shaped rotor 21 and the space is all arranged.The inner layer cylinder inner peripheral surface of barrel 202 be provided with many circumferential parallel, and spacing equates, is shorter than the long interior reinforcement 204 of cylinder, on the radially corresponding outer barrel 202 of interior reinforcement 204, is provided with the outer reinforcement 201 of similar number.At coil rack 2 many group air core coils 14 are installed, and adjacent two coils 14 that make progress in week are to be staggered, this coil 14 is configured at coil rack 2 that namely the inner peripheral surface with above-mentioned permanent magnet 13 is relative across the space, and also the outer peripheral face with permanent magnet 13 is relative simultaneously.After the corresponding stator inner sleeve 17 that is provided with interior grooving 17a of coil rack 2 interior insertions and interior reinforcement 204, to install on the inwall and the reinforcement 201 corresponding stator overcoats 3 that are provided with outer grooving 301, stator inner sleeve 17 1 ends are connected with stator inner sleeve bearing 16.Between the other end and the stator overcoat 3 support disk 11 is installed, simultaneously draws coil lead 10 at the wire hole (not indicating among the figure) of support disk 11, at the cylindrical of stator overcoat 3 magnetic conductive cylinder 4 is set, stator 20 interior external application high-intensity resins pour into an integrated entity.

Wherein stator overcoat 3, coil rack 2, stator inner sleeve 17 are all made of high resistivity material.Stator inner sleeve bearing 16 can prevent that the stator inner sleeve from moving radially.

When a kind of New-type electric machine of the present invention during as motor;

To the

control box

8 and 6 concentric connections of rear end cap of control element 7 be housed.The light shutter device 203 that is provided with on reflecting strips 13b it and the coil rack 2 at an end of rotor field spider 18 forms rotors 21 position detectors, the control element 7 that signal controlling control box by the output of this detector is 8 li is controlled the break-make of every group of coil 14 electric currents, change the interaction of coil 14 and permanent magnet 13, thereby make motor operation.

Claims

1. New-type electric machine, it is characterized in that, this motor comprises front end housing, rear end cap, bearing, motor casing, motor shaft, stator inner sleeve bearing, flux sleeve, stator, cup-shaped rotor, in the motor casing both sides front end housing and rear end cap are housed, the two end cap center is provided with bearing, and the motor shaft two ends are connected with front and rear cover by bearing, flux sleeve, stator inner sleeve bearing and cup-shaped rotor one end, be connected with motor shaft respectively, stator is located in the motor casing, and stator one end is connected with rear end cap is concentric;

Described cup-shaped rotor has, and is provided with the multipole permanent magnet that is magnetized at cup-shaped cylindrical wall, and the polarity of cylinder inner peripheral surface permanent magnet is identical with radially right cylinder outer peripheral face permanent magnet polarity; Stator, have and in magnetic conductive cylinder, be provided with the stator overcoat, in the stator overcoat, be provided with coil rack, this coil rack is that bilayer one end of with one heart different circles links to each other, be provided with the double-layer cavity cylinder that can be inserted in above-mentioned cup-shaped rotor and the space is all arranged between two-layer, disposing many groups on the coil rack made progress in week, the staggered air core coil of two adjacent groups coil, namely the inner peripheral surface with above-mentioned permanent magnet is relative across the space for this coil configuration one-tenth, also the outer peripheral face with permanent magnet is relative simultaneously, and has the coil of permanent magnet inner peripheral surface identical in the permanent magnet effect of same polarity with the coil of radially corresponding permanent magnet outer peripheral face; Be provided with the stator inner sleeve in the coil rack, stator inner sleeve one end is connected with stator inner sleeve bearing, is provided with support disk between the stator inner sleeve other end and the stator overcoat.

2. a kind of New-type electric machine according to claim 1, the material that it is characterized in that described cup-shaped rotor fixing permanent magnet is non-magnet material.

3. a kind of New-type electric machine according to claim 1 is characterized in that described stator overcoat, stator inner sleeve, coil rack are that high resistivity material is made.

4. a kind of New-type electric machine according to claim 1 is characterized in that described stator overcoat, coil rack, coil, stator inner sleeve and magnetic conductive cylinder are integral with resin-cast.