CN108347144A - Four rotor permanent magnet switched reluctance machines - Google Patents

Abstract

The invention discloses a kind of four rotor permanent magnet switched reluctance machines, motor is made of rotor, left stator, right stator, shell and controller；Rotor is made of left inside rotor, left outside rotor, right internal rotor, right outer rotor, and it is in the magnet steel ring of reverse arrangement to have a circle S pole magnet steel and the poles N magnet steel on each rotor；Left stator is mounted on left end cap, and right stator is mounted on right end cap, and left stator, right stator respectively carry interior winding and outer winding and interior pole tooth and outer pole teeth；Due to the introducing of magnet steel, in addition the design that magnet steel number of poles is more than stator poles tooth number of poles is used, pole tooth magnetic field external N pole fields while generating attracting couple to S pole fields are made to generate couple of repelling each other, pole tooth magnetic field is set to form the effect of a double work(, since there are four rotors for motor, than the motor of equal volume weight, its output power improves a lot, particularly suitable for using in the case of to volume weight power requirement height.

Description

Four rotor permanent magnet switched reluctance machines

Technical field

The present invention relates to a kind of four rotor permanent magnet switched reluctance machines.

Background technology

Announced at present application No. is CN200410092870.2, entitled repulsive-atractive type permanent magnetism (switch) reluctance motor, Its stator is made of magnetic conduction casing and salient pole electromagnet；Rotor is by magnetic conduction floral axis and set of permanent magnets at permanent magnet is mounted on On the salient pole of floral axis, useful flux air gap is formed with stator salient poles electromagnet；Rotor is engaged by bearing with stator side cover plate, is made Stator and rotor are in relative motion shape each other, and electromagnetic core when being not powered on generates attracting as magnetic circuit closed path Power, stator electromagnet magnetic field when energization generate mutual expelling force with rotor permanent magnet magnetic field, and the two forms unidirectional torque and closes Power, to drag rotor motion；In this way, giving stator electromagnet winding switching electricity in sequence, rotor just can be by certain side To operating；The shortcomings that motor is：It is shown when stator is located at the centre of two pieces of permanent magnet salient poles by figure, if stator generates one A N pole fields, N pole permanent magnet of the magnetic field versus in magnetic field both sides can generate mutual expelling force simultaneously, and if stator generates a S Pole field, N pole permanent magnet of the magnetic field versus in magnetic field both sides can then generate phase suction simultaneously, therefore the motor is can not to work 's.

In addition announced application No. is CN201010602154.X, the entitled permanent-magnetic switching magnetic using distributed winding Hinder motor；It is by stator and to be socketed on the rotor of stator interior, and stator and rotor are cyclic annular salient-pole structure, stator inner loop table Face is equipped with uniformly distributed stator tooth, and rotor exterior ring surface is equipped with uniformly distributed rotor tooth, the stator core and rotor core being mutually socketed Between there are gap, permanent magnet embeds in stator core yoke portion；Stator uses the threephase armature winding of distributed frame, adjacent fixed Only there are one winding coil between sub- tooth socket body, often will connect into a phase winding across the coil of two stator slots, three-phase around Mutual inductance intercouples between group, when work any time always have the energization of two phase winding excitations；Armature winding and permanent magnet are mutual It acts on output torque and is more than armature winding independent excitation output torque；The motor is only at traditional switched reluctance machines yoke Two pieces of permanent magnets are increased, to change Distribution of Magnetic Field situation and control model, but because winding magnetic field does not obtain whole It utilizes, from without fundamentally solving the problems, such as that mechanical efficiency is low.

Invention content

The present invention is directed to the deficiency of above-mentioned motor, provides a kind of four rotor permanent magnet switched reluctance machines, it is by rotor, a left side Stator, right stator, shell and controller composition；Rotor be by being linked into an integrated entity by Pan Grains, with left inside rotor, left outside turn Sub, right internal rotor, right outer rotor, left inside flux sleeve, left outside flux sleeve, flux sleeve in the right side, right outer flux sleeve, left inside magnet steel ring, Magnet steel ring, right outer steel ring composition in left outside magnet steel ring, the right side；Wherein left inside magnet steel ring, left outside magnet steel ring, the right side in magnet steel ring, the right side The poles magnet steel S and the poles N on outer steel ring are reverse shape arrangement；And left inside flux sleeve, left outside flux sleeve, the right side in flux sleeve, the right side The effect of outer flux sleeve is by left inside rotor, left outside rotor, right internal rotor, and the magnet steel magnetic field on right outer rotor is cascaded, Pass through left yoke and each self-forming magnetic field loop of right yoke；Left stator be by left yoke at left screw rod and left pressing plate be fixed on Silicon steel sheet composition on left end cap, and with left inside winding, left outside winding, left inside pole tooth, left outer pole teeth；Right stator is to pass through the right side Right screw rod and right pressing plate at yoke are fixed on right end cap, and with pole tooth, the outer pole in the right side in winding in the right side, right outer winding, the right side The silicon steel sheet of tooth forms；Silicon steel sheet in left stator and right stator is that by No yield point silicon steel sheet and have the two kinds of superpositions of orientation silicon steel sheet Composition, No yield point silicon steel sheet is an entirety, and have be orientated silicon steel sheet be then by the left inside pole tooth of several piece and left outer pole teeth and Pole tooth and right outer pole teeth form in the right side；Shell is made of left end cap, right end cap, housing；Controller is by being mounted on rotor On A fluted discs and B fluted discs, and by sensor stand be mounted on left end cap on A groups sensor and B group sensors, and always Control module and A groups control module and B groups control module and A groups power module and B group power modules composition；Wherein A fluted discs An overlapped blind area can be formed after being combined with B fluted discs at two tooth sides of tooth, effect is to be sensed simultaneously to A groups Device and B group sensors are stopped, its no signal is made to export；A groups sensor or B groups sensor are only in A fluted discs or B fluted discs pair Just there is signal output when its is unobstructed；A group power modules are controlled by A group control modules by A fluted discs and A groups sensor, B Group power module is to be controlled by B group control modules by B fluted discs and B groups sensor, and the size of output power is by master control The control of molding block；A fluted discs and B fluted discs control A groups sensor and B groups sensor using packet segmentation method, i.e. A groups When power module works, B group power modules do not work, otherwise on the contrary；And electric current and B group work(of the A group power modules when working Electric current when rate module works is opposite.

Due to the introducing of magnet steel, the magnetic resistance of each pole tooth of stator is made to increase, thus no matter be between magnet steel and stator tooth to tooth also It is tooth to slot, inductance when each winding is powered is all smaller, this also brings conveniently to the winding change of current, while work(will not occurs The case where rate module I GBT is turned off under big inductance state, the poles magnet steel S are in that reverse shape is arranged with the poles N in addition；And use magnetic Steel number of poles is more than the design of stator poles tooth number of poles, the effect of a double work(is formd when pole tooth being made to do work, simultaneously because using Four rotors and bimorph transducer, than the motor of equal volume weight, its output power improves a lot, especially suitable for volume weight It is used in the case of amount power requirement height.

Description of the drawings

The invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 shows the structural schematic diagram of four rotor permanent magnet switched reluctance machines embodiments of the invention.

Fig. 2 shows be four rotor permanent magnet switched reluctance machines embodiment A--A of the present invention sectional view.

Fig. 3 shows four rotor permanent magnet switched reluctance machines embodiment the first working condition of the present invention, i.e., pole tooth with Magnet steel center line is staggered, and its left side is S pole fields, when right side is N pole fields, with A fluted discs and B fluted discs and A groups sensor and B The relation schematic diagram of group sensor；Also for showing after reducing B fluted discs and B groups sensor and B group sensors convenient for identification It is intended to.

Fig. 4 shows four rotor permanent magnet switched reluctance machines second of working condition of embodiment of the invention, i.e., pole tooth with When the center line overlap of magnet steel enters blind area simultaneously, A fluted discs and B fluted discs are illustrated with the relationship of A groups sensor and B group sensors Figure.

Fig. 5 shows four rotor permanent magnet switched reluctance machines embodiment the third working condition of the present invention, i.e., pole tooth with Magnet steel center line is staggered again, and its left side is N pole fields, when right side is S pole fields, is sensed with A fluted discs and B fluted discs and A groups The relation schematic diagram of device and B group sensors.

Fig. 6 shows the control principle drawing of the four a certain phases of rotor permanent magnet switched reluctance machines embodiment of the invention.

Fig. 7 shows the schematic diagram of four rotor permanent magnet switched reluctance machines embodiment A fluted discs of the invention.

Fig. 8 shows the schematic diagram of four rotor permanent magnet switched reluctance machines embodiment B fluted discs of the invention.

Fig. 9 shows four rotor permanent magnet switched reluctance machines embodiment A fluted discs and B fluted discs and A group sensors of the invention The schematic diagram of blind area is formed after being combined with B fluted discs with the relationship and A fluted discs of B group sensors.

Figure 10 show the pole tooth of four rotor permanent magnet switched reluctance machines embodiment left stators of the invention and right stator with The relation schematic diagram of rotor magnetic steel.

Figure 11 shows the No yield point of four rotor permanent magnet switched reluctance machines embodiment left stators and right stator of the invention Silicon steel sheet schematic diagram.

What Figure 12 showed four rotor permanent magnet switched reluctance machines embodiment left stators of the invention and right stator has orientation Silicon steel sheet combination diagram.

In figure：1, rotor, 2, left stator, 3, right stator, 4, left inside rotor, 5, left inside flux sleeve, 6, left inside magnet steel ring, 7, Right internal rotor, 8, flux sleeve in the right side, 9, magnet steel ring in the right side, 10, left screw rod, 11, left pressing plate, 12, right pressing plate, 13, right end cap, 14, right bearing, 15, right screw rod, 16, winding in the right side, 17, pole tooth in the right side, 18, right outer winding, right yoke 19,20, the outer pole in the right side Tooth, 21, right outer steel ring, 22, right outer flux sleeve, 23, Pan Grains, 24, right outer rotor, 25, housing, 26, left outside rotor, 27, a left side Outer steel ring, 28, left outside flux sleeve, 29, left outer pole teeth, 30, left yoke, 31, left outside winding, 32, left inside pole tooth, 33, left inside Winding, 34, left end cap, 35, left bearing, 36, sensor stand, 37, A group sensors, 38, B group sensors, 39, A fluted discs, 40, B fluted discs, 41, shell, 42, blind area, 43, controller, 44, total control module, 45, A group control modules, 46, B group control modules, 47, A groups power module, 48, B group power modules, 49, No yield point silicon steel sheet, 50, have orientation silicon steel sheet.

Specific implementation mode

Four rotor permanent magnet switched reluctance machines are made of rotor 1, left stator 2, right stator 3, shell 41 and controller 43； Rotor 1 be by being linked into an integrated entity by Pan Grains 23, with left inside rotor 4, left outside rotor 26, right internal rotor 7, right outer rotor 24, Left inside flux sleeve 5, left outside flux sleeve 28, flux sleeve 8, right outer flux sleeve 22, left inside magnet steel ring 6, left outside magnet steel ring 27, the right side in the right side Interior magnet steel ring 9, right outer steel ring 21 composition；Wherein left inside magnet steel ring 6, left outside magnet steel ring 27, the right side in magnet steel ring 9, right outer steel Its pole S of 21 upper magnetic steel of ring is extremely that reverse shape is arranged as shown in Figure 10 with N；And left inside flux sleeve 5, left outside flux sleeve 28, the right side in The effect of flux sleeve 8, right outer flux sleeve 22 is the magnetic on right outer rotor 24 by left inside rotor 4, left outside rotor 26, right internal rotor 7 Steel magnetic field is cascaded, and magnetic field loop is respectively formed by left yoke 30 and right yoke 19；Left stator 2 is by left yoke 30 The left screw rod 10 and left pressing plate 11 at place are fixed on left end cap 34, and with left inside winding 33, left outside winding 31, left inside pole tooth 32, the silicon steel sheet composition of left outer pole teeth 29；Right stator 3 be by right yoke 19 at right screw rod 15 and right pressing plate 12 be fixed on the right side On end cap 13, and the silicon steel sheet with pole tooth 17 in winding 16 in the right side, right outer winding 18, the right side, right outer pole teeth 20 forms；Left stator 2 and right stator 3 on silicon steel sheet by No yield point silicon steel sheet 49 and by be orientated 50 two kinds of superpositions of silicon steel sheet form, No yield point silicon Steel disc 49 be by an entirety as shown in Figure 10, and have be orientated silicon steel sheet 50 be then by as shown in figure 11, be left inside by several piece Pole tooth 17 and right outer pole teeth 20 form in pole tooth 32 and left outer pole teeth 29 and the right side, and N block No yield points silicon steel sheet 49 is used in Superposition N blocks, which have, is orientated silicon steel sheet 50, is then superimposed N block No yield points silicon steel sheet 49 again, and so on；Shell 41 is by left end cap 34, right end cap 13, housing 25 form；Controller 43 is and to pass through biography by the A fluted discs 39 and B fluted discs 40 on rotor 1 The A groups sensor 37 and B groups sensor 38 and total control module 44 and A groups that sensor bracket 36 is mounted on left end cap 34 control Module 45 and B groups control module 46 and A groups power module 47 and B groups power module 48 composition；Wherein A fluted discs 39 and B fluted discs An overlapped blind area 42 can be formed after 40 combinations at two tooth sides of tooth, effect is can be simultaneously to A group sensors 37 and B groups sensor 38 is stopped, its no signal is made to export；A groups sensor 37 or B groups sensor 38 are only in A fluted discs 39 Or B fluted discs 40 it is unobstructed to its when just have signal output；A groups power module 47 is to pass through A by A fluted discs 39 and A groups sensor 37 Group control module 45 controls, and B groups power module 48 is controlled by B groups control module 46 by B fluted discs 40 and B groups sensor 38 's；A fluted discs 39 and B fluted discs 40 control A groups sensor 37 and B groups sensor 38 using packet segmentation method, i.e. A groups work( When rate module 47 works, B groups power module 48 does not work, otherwise on the contrary；And electric current and B when the work of A groups power module 47 Electric current when group power module 48 works is opposite.

It is true by A fluted discs 39 on rotor 1 and B fluted discs 40 first after electric machine controller 43 starts in work Fixed left inside magnet steel ring 6, left outside magnet steel ring 27, magnet steel ring 9 in the right side, on right outer steel ring 21 every block of magnet steel center line, and it is left inside Pole tooth 32, left outer pole teeth 29, the right side in pole tooth 17,20 center line of right outer pole teeth position relationship；Now take one in the right side in pole tooth 17 For the tooth of phase pole, when motor is set as rotating clockwise, there are three types of working conditions for pole tooth 17 in the right side：The first working condition, As shown in Figure 3：When the center line of pole tooth 17 and the center line of the poles N magnet steel in certain block on right internal rotor 7 are to be staggered in the phase right side , at this time this mutually the right side in pole tooth 17 center line corresponding to right internal rotor 7 on magnet steel, left side be the interior poles S magnet steel, right side For the interior poles N magnet steel when, the A fluted discs 39 on rotor 1 do not generate resistance to 17 corresponding A groups sensor 37 of pole tooth in the right side at this time Gear, and B fluted discs 40 produce blocking to B groups sensor 38 at this time, therefore B groups sensor 38 does not work signal output, Only A groups sensor 37 just does function signal output, and tooth 17 end in pole in the right side of winding 16 generates a N in the right side being powered at this time Pole field, according to magnetic field, there is a natural attraction between the sexes, the operation principle that identical charges repel each other, N pole fields, meeting produced by 17 end of pole tooth in the right side at this time An attracting couple is generated with the interior poles the S magnet steel on right internal rotor 7, and one is then will produce with the interior poles the N magnet steel on right internal rotor 7 A couple of repelling each other, at this time under the action of right stator 3, attracting couple and couple of repelling each other can do work driving rotor 1 clockwise simultaneously Rotation.

Second of working condition, as shown in Figure 4：With the rotation of rotor 1, when the center for rotating to pole tooth 17 in the phase right side When the center line overlap of line and the interior poles the S magnet steel on right internal rotor 7, A fluted discs 39 pass A groups with 40 formed blind area 42 of B fluted discs Sensor 37 and B groups sensor 38 all produce blocking, do not work signal output, at this time A groups power module 47 and B group power moulds Block 48 is all without power output.

The third working condition, as shown in Figure 5：With the rotation of rotor 1, when the center line of pole tooth 17 in this mutually right side and the right side After the center line of the interior poles S magnet steel on internal rotor 7 is staggered again, at this time in the right side in the phase right side corresponding to the center line of pole tooth 17 When be the ultra-Right sides N on the left of magnet steel on rotor 7 be the poles S, B fluted discs 40 are without stopping B groups sensor 38 at this time, and A fluted discs 39 are to A Group sensor 37 produces blocking, therefore A groups sensor 37 does not work signal output, and only B groups sensor 38 just has Function signal output is done, since the acting electric current and A groups power module 47 and the instruction commander of A groups sensor 37 of instruction commander's output are defeated The acting electric current gone out is opposite, and tooth 17 end in pole in the right side of winding 16 generates a S pole field in the right side being powered at this time, according to There is a natural attraction between the sexes in magnetic field, the operation principle that identical charges repel each other, at this time S pole fields produced by 17 end of pole tooth in the right side, can be with right internal rotor 7 On the interior poles N magnet steel generate an attracting couple, and then will produce a couple of repelling each other with the interior poles the S magnet steel on right internal rotor 7, At this time under the action of right stator 3, attracting couple and couple of repelling each other can do work and rotor 1 driven to rotate clockwise simultaneously；The institute on State, remaining each phase, constantly do work under the control of total control module 44 -- closing -- do work again after the change of current, week and It renews, driving rotor 1 rotates.

Claims (4)

1. a kind of four rotor permanent magnet switched reluctance machines are by rotor (1), left stator (2), right stator (3), shell (41) and control Device (43) composition processed；Rotor (1) be by being linked into an integrated entity by Pan Grains (23), with left inside rotor (4), left outside rotor (26), Right internal rotor (7), right outer rotor (24), left inside flux sleeve (5), left outside flux sleeve (28), flux sleeve (8), right outer magnetic conduction in the right side Cover (22), left inside magnet steel ring (6), left outside magnet steel ring (27), the right side in magnet steel ring (9), right outer steel ring (21) composition, wherein left inside Magnet steel ring (6), left outside magnet steel ring (27), the right side in magnet steel ring (9), its pole S of right outer steel ring (21) upper magnetic steel and the poles N as scheme (9) Shown is reverse shape arrangement；And left inside flux sleeve (5), left outside flux sleeve (28), flux sleeve (8), right outer flux sleeve in the right side (22) effect is the magnet steel magnetic field string on right outer rotor (24) by left inside rotor (4), left outside rotor (26), right internal rotor (7) It is linked togather, magnetic field loop is respectively formed by left yoke (30) and right yoke (19)；Left stator (2) is by left yoke (30) Place left screw rod (10) and left pressing plate (11) be fixed on left end cap (34), and carry left inside winding (33), left outside winding (31), Left inside pole tooth (32), left outer pole teeth (29) silicon steel sheet composition；Right stator (3) is by the right screw rod (15) at right yoke (19) Be fixed on right end cap (13) with right pressing plate (12), and with winding (16) in the right side, right outer winding (18), it is right in pole tooth (17), The silicon steel sheet of right outer pole teeth (20) forms；Silicon steel sheet in left stator (2) and right stator (3) be by No yield point silicon steel sheet (49) and Be superimposed and form by (50) two kinds of orientation silicon steel sheet, No yield point silicon steel sheet (49) be by as schemed an entirety shown in (10), and Orientation silicon steel sheet (50) is then by such as scheming shown in (11), is by pole in the left inside pole tooth (32) of several piece and left outer pole teeth (29) and the right side What tooth (17) and right outer pole teeth (20) formed, there is orientation silicon steel sheet using N block No yield point silicon steel sheets (49) superposition N blocks in (50), it is then superimposed N block No yield point silicon steel sheets (49) again, and so on；Shell (41) is by left end cap (34), right end cap (13), housing (25) forms；Controller (43) is the A fluted discs (39) and B fluted discs (40) by being mounted on rotor (1), Yi Jitong Cross A group sensor (37) and B group sensor (38) and total control module of the sensor stand (36) on left end cap (34) (44) and A groups control module (45) and B groups control module (46) and A groups power module (47) and B groups power module (48) group At；An overlapped blind area wherein can be formed at two tooth sides of tooth after A fluted discs (39) and B fluted discs (40) combination (42), effect is to stop simultaneously to A groups sensor (37) and B groups sensor (38), its no signal is made to export；A groups Sensor (37) or B groups sensor (38) only just have signal output in A fluted discs (39) or B fluted discs (40) unobstructed to its；A Group power module (47) is controlled by A groups control module (45) by A fluted discs (39) and A groups sensor (37), B group power moulds Block (48) is controlled by B groups control module (46) by B fluted discs (40) and B groups sensor (38)；A fluted discs (39) and B fluted discs (40) A groups sensor (37) and B groups sensor (38) are controlled using packet segmentation method, i.e. A groups power module (47) When work, B groups power module (48) does not work, otherwise on the contrary；And electric current and B group work(of the A groups power module (47) when working Electric current when rate module (48) works is opposite.

2. four rotor permanent magnets switched reluctance machines according to claim 1, it is characterised in that the number of poles of magnet steel is more than stator The number of poles of pole tooth.

3. four rotor permanent magnets switched reluctance machines according to claim 1, it is characterised in that constitute left stator (2) and the right side is fixed The silicon steel sheet of sub (3) is formed by No yield point silicon steel sheet (49) and by (50) the two kinds of superpositions of orientation silicon steel sheet.

4. four rotor permanent magnets switched reluctance machines according to claim 1, it is characterised in that constitute left stator (2) and the right side is fixed The silicon steel sheet of sub (3) can be formed all using by orientation silicon steel sheet (50) superposition.