CN209170080U - Radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines - Google Patents
Radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines Download PDFInfo
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- CN209170080U CN209170080U CN201822268907.2U CN201822268907U CN209170080U CN 209170080 U CN209170080 U CN 209170080U CN 201822268907 U CN201822268907 U CN 201822268907U CN 209170080 U CN209170080 U CN 209170080U
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Abstract
The utility model discloses a kind of radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, including stator, rotor, rotor includes rotor block, rotor magnetic pole, it rotor magnetic pole radial magnetizing and is evenly distributed on rotor block excircle by N, S magnetic polarity, stator includes stator yoke and magnetic pole of the stator, magnetic pole of the stator is evenly distributed on stator yoke inner periphery, stator magnet number of poles is twice of rotor magnetic pole number；Concentrate that coiling equal turn numbers, line footpath are identical, successively head end is connected with head end around the magnetic pole winding for consistent magnetic pole winding, belonging to a phase on each magnetic pole of the stator, end phase winding corresponding with the connected composition in end, it is independently-powered that two phase windings pass through single-phase H bridge respectively.Independent A phase H bridge, B phase H bridge is respectively adopted according to first to fourth beat cycle power in two phase winding of A.B of the utility model, the electromagnetic mechanism of A.B two-phase generates drag torque simultaneously in any beat, whole electromagnetic mechanisms of motor, which are contributed, to do work, and effectively improves the efficiency and power density of motor.
Description
Technical field
The utility model relates to motor field, in particular to a kind of radial magnetizing permanent magnetism rotor double-pole type switching magnetic-resistance electricity
Machine.
Background technique
Rotor is the switched reluctance machines of biconvex structure, generates electromagnetic torque according to magnetic circuit reluctance minimum principle, will
Electric energy is converted to mechanical energy.Conventional two-phase switched reluctance machines are without self-starting ability, there are torque dead-band, efficiency and power
Density is less than the efficiency and power density of permanent magnetism class motor, and market prospects are affected.
Entitled " the more magnetic pole two-phase switched reluctance machines of double-pole type and the power driving circuit " that May 11 in 2018 submits
Patent application solves the problems, such as two-phase switched reluctance machines without starting capability, while in a manner of more field structures, expands electricity
Machine capacity improves the operational efficiency of motor, but its power density is also less than permanent magnetism class electricity compared with regular tap reluctance motor
The power density of machine；The patent Shen of entitled " the double-pole type permanent-magnet type two-phase switched reluctance machines " submitted on June 10th, 2018
Please, compared with the more magnetic pole two-phase induction motors of double-pole type, the operational efficiency of motor is further improved, power density improves a lot,
But this kind of motor, since rotor is the p-m rotor of axial magnetized, rotor is left and right two-part structure, so that motor knot
Structure and production technology are complicated, while this kind of magneto uses A, and powering mode works B two-phase in turn, in a work pace
Interior, an only phase electromagnetic mechanism generates drag torque and does work, and another phase electromagnetic mechanism is idle, and motor entirety electromagnetic mechanism is in work
Make not to be fully used in beat, affects the good characteristic that magneto should have high power density.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides the radial magnetizing that a kind of structure is simple, work efficiency is high
P-m rotor double-pole type switched reluctance machines.
The technical solution that the utility model solves the above problems is: a kind of radial magnetizing permanent magnetism rotor double-pole type switching magnetic-resistance
Motor, including motor housing, stator, rotor are equipped with A, B two-phase bipolarity rotor on the end cap of the non-output shaft one end of motor housing
Position sensor, the rotor include shaft, rotor core, and rotor core includes rotor block, rotor magnetic pole, several rotor magnetic poles
It radial magnetizing and being evenly distributed on rotor block excircle by N, S magnetic polarity, the stator includes stator winding, stator core,
Stator core includes stator yoke and magnetic pole of the stator, is evenly distributed with several magnetic pole of the stator on stator yoke inner periphery, and adjacent two
Stator slot is formed between a magnetic pole of the stator, stator magnet number of poles is twice of rotor magnetic pole number；Coiling is concentrated on each magnetic pole of the stator
Equal turn numbers, line footpath be identical, around the magnetic pole winding for consistent magnetic pole winding, belonging to A phase, successively head end is connected with head end, end
It is connected with end and constitutes A phase winding, belonging to the magnetic pole winding of B phase, successively head end is connected with head end, and end is connected composition B with end
Phase winding, it is independently-powered that A phase winding, B phase winding pass through A phase H bridge, B phase H bridge respectively.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the polar arc of each rotor magnetic pole is by arc section and slope
Duan Zucheng, the width of arc section are equal to stator magnetic pole width, and the width of slope section is equal to the width of stator slot.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the A phase H bridge include first to fourth power
Pipe, the collector of the first power tube connect positive pole, and the emitter of the first power tube is connected with the collector of the second power tube, the
The emitter of two power tubes connects power cathode, and the collector of third power tube connects positive pole, the emitter of third power tube with
The collector of 4th power tube is connected, and the emitter of the 4th power tube connects power cathode, and the head of the A phase winding terminates at first
Between the emitter of power tube and the collector of the second power tube, the tail of A phase winding terminate at the emitter of third power tube with
Between the collector of 4th power tube, control terminal of the base stage of first to fourth power tube as each power tube.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the B phase H bridge include the 5th to the 8th power
Pipe, the collector of the 5th power tube connect positive pole, and the emitter of the 5th power tube is connected with the collector of the 6th power tube, the
The emitter of six power tubes connects power cathode, and the collector of the 7th power tube connects positive pole, the emitter of the 7th power tube with
The collector of 8th power tube is connected, and the emitter of the 8th power tube connects power cathode, and the head of the B phase winding terminates at the 5th
Between the emitter of power tube and the collector of the 6th power tube, the tail of B phase winding terminate at the emitter of the 7th power tube with
Between the collector of 8th power tube, control terminal of the base stage of the 5th to the 8th power tube as each power tube.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the A phase H bridge, B phase H bridge are according to the first beat
A phase winding, the power supply of B phase winding are given respectively to the order of the 4th beat in cycles；Select a stator magnet in A phase magnetic pole
Pole is denoted as A11, select A11Clockwise next magnetic pole of the stator, is denoted as B11；It defines the alignment of rotor magnetic pole and refers to rotor magnetic
The arc section center line of pole is overlapped with magnetic pole of the stator center line, works as A11It is aligned with the pole rotor N, into the first beat, A phase H bridge
First power tube, the conducting of the 4th power tube, the second power tube, the shutdown of third power tube, the 6th power tube, the 7th function of B phase H bridge
The conducting of rate pipe, the 5th power tube, the shutdown of the 8th power tube, the current direction of A phase winding flow to tail end from head end, B phase winding
Current direction flows to head end from tail end；Work as B11It is aligned with the pole rotor N, into the second beat, the first power tube of A phase H bridge,
The conducting of four power tubes, the second power tube, the shutdown of third power tube, the 5th power tube of B phase H bridge, the conducting of the 8th power tube, the
Six power tubes, the shutdown of the 7th power tube, the current direction of A phase winding flow to tail end from head end, and the current direction of B phase winding is from head
End flows to tail end；Work as A11It is aligned with the pole rotor S, into third beat, the second power tube, the third power tube of A phase H bridge are connected,
First power tube, the shutdown of the 4th power tube, the 5th power tube of B phase H bridge, the conducting of the 8th power tube, the 6th power tube, the 7th function
The shutdown of rate pipe, the current direction of A phase winding flow to head end from tail end, and the current direction of B phase winding flows to tail end from head end；Work as B11
It is aligned with the pole rotor S, into the 4th beat, the second power tube of A phase H bridge, the conducting of third power tube, the first power tube, the 4th
Power tube shutdown, the 6th power tube of B phase H bridge, the conducting of the 7th power tube, the 5th power tube, the shutdown of the 8th power tube, A phase around
The current direction of group flows to head end from tail end, and the current direction of B phase winding flows to head end from tail end；First beat to the 4th beat
It powers in cycles, so that the electromagnetic mechanism of A, B two-phase generates the electromagnetic force with direction of rotation simultaneously in any operative beat
The electromagnetic mechanism of square, motor is in working condition in full.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the rotor are made of ferrite permanent-magnet materials
Integrated rotor.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the stator core by silicon steel plate stacking fasten and
At.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the shaft with non-magnetic stainless steel production and
At.
Above-mentioned radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, the shaft is made of ordinary steel, outside shaft
Table is set with every magnetic bushing.
The utility model has the beneficial effects that:
1, the rotor of the utility model is the integrated rotor made of ferrite permanent-magnet materials, rotor magnetic pole radial magnetizing
And pole polarity is uniformly distributed on rotor block excircle by N.S.N.S, magnetic energy utilization rate is high.
2, independent A phase H bridge, B phase H bridge is respectively adopted according to first to fourth section in two phase winding of A.B of the utility model
Cycle power is clapped, the electromagnetic mechanism of A.B two-phase generates drag torque, whole electromagnetic mechanisms power output of motor simultaneously in any beat
Acting, effectively improves the efficiency and power density of motor.
3, in the utility model, the independently-powered mode of frame mode and two-phase of phase winding, so that the motor is for electrical excitation
Afterwards, magnetic pole of the stator polarity is distributed by N.N.S.S.N.N.S.S ..., is had and is generated electromagnetic attraction using the slope section of rotor magnetic pole
Power, arc section generate equidirectional repulsive force, and synthesis torque is big.
4, in the utility model, there is arc section and its total polar arc width of the p-m rotor magnetic pole of slope section is stator poles
Away from efficiently solving the problems, such as two-phase induction motor without starting capability.
Detailed description of the invention
Fig. 1 is that 8/4 pole radial magnetizing permanent magnetism rotor double-pole type switchs section for plugging in reluctance motor in the utility model embodiment
Face structural schematic diagram.
Fig. 2 is 8/4 pole motor, 4 pole p-m rotor sectional view in the utility model embodiment.
Fig. 3 is two phase winding connection figure of A.B in the utility model embodiment.
Fig. 4 is power of motor circuit diagram in the utility model embodiment.
Fig. 5 is the first beat power supply (+I in the utility model embodimentA,-IB) motor model figure.
Fig. 6 is the second beat power supply (+I in the utility model embodimentA,+IB) motor model figure.
Fig. 7 is third beat power supply (- I in the utility model embodimentA,+IB) motor model figure.
Fig. 8 is the 4th beat power supply (- I in the utility model embodimentA,-IB) motor model figure.
Fig. 9 is current commutation schematic diagram in the utility model embodiment.
Wherein: 01 is stator yoke, and 02 is magnetic pole of the stator, and 03 is magnetic pole winding, and 04 is rotor block, and 05 is rotor magnetic pole,
06 is the arc section of rotor magnetic pole, and 07 is the slope section of rotor magnetic pole, and 08 is shaft.
" * " is pole Motor Winding Same Name of Ends symbol, and a, b, c is the head end symbol of pole winding, and x, y, z is the end symbol of pole winding
Number, AX is A phase winding symbol, and the electric current flowed into from the end A is+IA, otherwise it is negative current (- IA), BY is B phase winding symbol, from B
The electric current that end flows into is+IB, otherwise it is negative current (- IB),- indicating that electric current flows into, ⊙-expression electric current outflow, τ is stator
The pole span of magnetic pole, α1It is the arc angle (mechanical angle) of stator poles arc angle and rotor magnetic pole arc section, α2It is stator slot arc angle, and
The arc angle (mechanical angle) of rotor magnetic pole slope section；A11, A12, A13, A14It is four magnetic pole of the stator labels of A phase, B11, B12, B13,
B14It is four magnetic pole of the stator labels of B phase.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
It should be understood that the rotor magnetic pole alignment recorded in embodiment refer to the arc section center line of rotor magnetic pole with
Magnetic pole of the stator center line is overlapped.
As shown in Figure 1, a kind of radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, including motor housing, stator, turn
Son, A, B two-phase bipolarity rotor-position sensor are equipped on the end cap of the non-output shaft one end of motor housing, and the rotor includes turning
Axis 08, rotor core, rotor core include rotor block 04, rotor magnetic pole 05, several 05 radial magnetizings of rotor magnetic pole and press N, S magnetic
Polarity is evenly distributed on 04 excircle of rotor block, and the stator includes stator winding, stator core, and stator core includes stator
Magnetic yoke 01 and magnetic pole of the stator 02 are evenly distributed with several magnetic pole of the stator 02, two neighboring stator magnet on 01 inner periphery of stator yoke
Stator slot is formed between pole 02, stator magnet number of poles is twice of rotor magnetic pole number；Coiling the number of turns is concentrated on each magnetic pole of the stator 02
It is equal, line footpath is identical, around to consistent magnetic pole winding 03, Same Name of Ends is indicated with " * ", and marks a respectively, b head end symbol, end
End marks x, y symbol (as shown in Figure 1) respectively；Belonging to the magnetic pole winding of A phase, successively head end is connected with head end, end and end phase
A phase winding AX is even constituted, belonging to the magnetic pole winding of B phase, successively head end is connected with head end, and end is connected composition B phase winding with end
BY, as shown in Figure 3；It is independently-powered that A phase winding, B phase winding pass through A phase H bridge, B phase H bridge respectively.
As shown in Fig. 2, the polar arc of each rotor magnetic pole 05 is made of arc section and slope section, the width of arc section is equal to stator
Magnet pole widths α1, the width of slope section is equal to the width α of stator slot2(length unit or angular unit), rotor slope section exists
Present position has determined the rotary speed direction of motor on rotor block 04, and drop is 0.5 to 0.8 millimeter between slope section C point and A point.
As shown in figure 4, the A phase H bridge includes the first power tube T1, the second power tube T2, third power tube T3, the 4th function
Rate pipe T4, the collector of the first power tube T1 connect positive pole, the collection of the emitter of the first power tube T1 and the second power tube T2
Electrode is connected, and the emitter of the second power tube T2 connects power cathode, and the collector of third power tube T3 connects positive pole, third function
The emitter of rate pipe T3 is connected with the collector of the 4th power tube T4, and the emitter of the 4th power tube T4 connects power cathode, described
The head of A phase winding is terminated between the emitter of the first power tube T1 and the collector of the second power tube T2, the tail end of A phase winding
It connects between the emitter of third power tube T3 and the collector of the 4th power tube T4, the base stage of first to fourth power tube T4
Control terminal as each power tube.
As shown in figure 4, the B phase H bridge includes the 5th power tube T5, the 6th power tube T6, the 7th power tube T7, the 8th function
Rate pipe T8, the collector of the 5th power tube T5 connect positive pole, the emitter of the 5th power tube T5 and the collection of the 6th power tube T6
Electrode is connected, and the emitter of the 6th power tube T6 connects power cathode, and the collector of the 7th power tube T7 connects positive pole, the 7th function
The emitter of rate pipe T7 is connected with the collector of the 8th power tube T8, and the emitter of the 8th power tube T8 connects power cathode, described
The head of B phase winding is terminated between the emitter of the 5th power tube T5 and the collector of the 6th power tube T6, the tail end of B phase winding
It connects between the emitter of the 7th power tube T7 and the collector of the 8th power tube T8, the base stage of the 5th to the 8th power tube T8
Control terminal as each power tube.
The A phase H bridge, B phase H bridge give A phase winding, B according to the order of the first beat to the 4th beat in cycles respectively
Phase winding power supply；A magnetic pole of the stator in A phase magnetic pole is selected, A is denoted as11, select A11Clockwise next stator
Magnetic pole is denoted as B11；It defines the alignment of rotor magnetic pole and refers to that the arc section center line of rotor magnetic pole is overlapped with magnetic pole of the stator center line, when
A11It is aligned with the pole rotor N, into the first beat, the first power tube T1, the 4th power tube T4 of A phase H bridge are connected, the second power tube
T2, third power tube T3 shutdown, the 6th power tube T6, the 7th power tube the T7 conducting of B phase H bridge, the 5th power tube T5, the 8th function
Rate pipe T8 shutdown, the current direction of A phase winding flow to tail end from head end, and the current direction of B phase winding flows to head end from tail end；When
B11It is aligned with the pole rotor N, into the second beat, the first power tube T1, the 4th power tube T4 of A phase H bridge are connected, the second power tube
T2, third power tube T3 shutdown, the 5th power tube T5, the 8th power tube the T8 conducting of B phase H bridge, the 6th power tube T6, the 7th
Power tube T7 shutdown, the current direction of A phase winding flow to tail end from head end, and the current direction of B phase winding flows to tail from head end
End；Work as A11It is aligned with the pole rotor S, into third beat, the second power tube T2, the third power tube T3 of A phase H bridge are connected, and first
Power tube T1, the 4th power tube T4 shutdown, the 5th power tube T5, the 8th power tube the T8 conducting of B phase H bridge, the 6th power tube
T6, the 7th power tube T7 shutdown, the current direction of A phase winding flow to head end from tail end, and the current direction of B phase winding is from head end stream
Caudad；Work as B11It is aligned with the pole rotor S, into the 4th beat, the second power tube T2, the third power tube T3 of A phase H bridge are connected,
First power tube T1, the 4th power tube T4 shutdown, the 6th power tube T6, the 7th power tube the T7 conducting of B phase H bridge, the 5th power
Pipe T5, the 8th power tube T8 shutdown, the current direction of A phase winding flow to head end from tail end, and the current direction of B phase winding is from tail end
Flow to head end；First beat to the 4th beat is powered in cycles, so that in any operative beat, the electromagnetic mechanism of A, B two-phase
The electromagnetic torque with direction of rotation is generated simultaneously, and the electromagnetic mechanism of motor is in working condition in full.
The rotor is the integrated rotor made of ferrite permanent-magnet materials.Rotor core can also be compressed with silicon steel sheet stack
Gu production, rare-earth permanent magnet presses N.S radial distribution, and rare-earth permanent magnet can also be pressed N.S diameter on each rotor pole arc by Surface Mount
It is embedded among each rotor magnetic pole iron core to distribution, further improves the efficiency and power density of motor.
The stator core is fastened by the silicon steel plate stacking of 0.5mm thickness.
The shaft 08 is made with non-magnetic stainless steel, after can also being made of ordinary steel, in shaft appearance
Suit prevents p-m rotor from magnetic flux leakage occur every magnetic bushing.
The working principle of the utility model motor is as follows: according to Fig. 5 to work pace shown in Fig. 8, illustrating radial magnetizing
The course of work of p-m rotor double-pole type switched reluctance machines, for the sake of simplicity, by taking the motor of this kind of 8/4 pole as an example.
If motor original state is as shown in figure 5, molded motor is before no power supply in Fig. 5, motor is in halted state, forever
Magnet rotor magnetic pole N1N2,S1S2Respectively with A phase magnetic pole A11A13And A12A14Alignment, motor speed n is rotated clockwise after power supply
(position of the rotor slope section on rotor block has determined that this motor is to be rotated clockwise), electric current according to Fig. 9
Commutation principle is powered to motor:
First beat, in the initial state, and magnetic pole of the stator A11With rotor magnetic pole N1(similarly other poles of A phase are also right for alignment
Together), A phase winding confession+IA, B phase winding confession-IB.Marked in Fig. 5 current direction in each pole winding (- electric current flows into,
⊙-electric current outflow), according to right-hand screw rule and law of electromagnetic force: B phase magnetic pole B11And B13For S magnetic polarity, B12With
B14For N magnetic polarity, B11To N1, B12To S1, B13To N2And B14To S2Clockwise electromagnetic attraction is generated respectively；With this
Meanwhile A phase magnetic pole A11And A13For N magnetic polarity, A12And A14For S magnetic polarity, A11, A12, A13, A14Respectively with N1,S1, N2And S2
Alignment, and with the rotor pole being aligned magnetic polarity having the same, in the rotor rotary body of force unbalance, four stators of A phase
Pole with four magnetic poles of rotor, can equally generate clockwise repulsion electromagnetic force, institute between electric machine rotor whole magnetic pole respectively
The electromagnetic force of generation is clockwise, to be synthetically produced electromagnetic torque, rotor is rotated clockwise, until B phase magnetic
(rotor has turned at this time until pole is aligned with rotor magnetic poleAngle) as shown in fig. 6, B phase magnetic pole is aligned with rotor magnetic pole
Afterwards, B phase rotor-position sensor issues current commutation information, into the second beat.
Second beat, on rotor magnetic pole position shown in Fig. 6, A phase winding confession+IA, B phase winding confession+IB.In Fig. 6
In marked current direction in each pole winding, according to right-hand screw rule and law of electromagnetic force: A phase magnetic pole A11And A13For N
Magnetic polarity, A12And A14For S magnetic polarity, A11To S2, A12To N1, A13To S1, A14To N2Clockwise electromagnetism is generated respectively
Attraction；At the same time, B phase magnetic pole B11And B13For N magnetic polarity, B12And B14For S magnetic polarity, B11, B12, B13, B14Respectively with N1,
S1, N2And S2Alignment, and with the rotor pole being aligned magnetic polarity having the same, in the rotor rotary body of force unbalance, B phase
Four stator poles with four magnetic poles of rotor, can equally generate clockwise repulsion electromagnetic force respectively, and electric machine rotor is whole
Generated electromagnetic force is clockwise, to be synthetically produced electromagnetic torque, the rotation of dragging motor rotor clockwise direction between magnetic pole
Turn, (rotor turns over again at this time until A phase magnetic pole is aligned with rotor magnetic poleAngle) as shown in fig. 7, A phase
After magnetic pole is aligned with rotor magnetic pole, A phase rotor-position sensor issues current commutation information, into third beat.
Third beat, on rotor magnetic pole position shown in Fig. 7, A phase winding confession-IA, B phase winding confession+IB.In Fig. 7
Current direction in each pole winding is marked, according to right-hand screw rule and law of electromagnetic force: B phase magnetic pole B11And B13For N
Magnetic polarity, B12And B14For S magnetic polarity, B11To S2, B12To N1, B13To S1,B14To N2Clockwise electromagnetism is generated respectively to inhale
Gravitation；At the same time, A phase magnetic pole A11And A13For S magnetic polarity, A12And A14For N magnetic polarity, A11, A12, A13, A14Respectively with S2,
N1, S1And N2Alignment, and with the rotor pole being aligned magnetic polarity having the same, in the rotor rotary body of force unbalance, A phase
Four magnetic poles with four magnetic poles of rotor, can equally generate clockwise repulsion electromagnetic force, electric machine rotor whole magnetic respectively
Electromagnetic force caused by interpolar is clockwise, to be synthetically produced electromagnetic torque, and dragging motor rotor clockwise direction rotates,
(rotor turns over again at this time until B phase magnetic pole of the stator is aligned with rotor magnetic poleAngle) as shown in figure 8, B phase
After magnetic pole of the stator is aligned with rotor magnetic pole, B phase rotor-position sensor issues current commutation information, into the 4th beat.
4th beat, on rotor magnetic pole position shown in Fig. 8, A phase winding confession-IA, B phase winding confession-IB.In fig. 8
Current direction in each pole winding is marked, according to right-hand screw rule and law of electromagnetic force: A phase magnetic pole A11And A13For S
Magnetic polarity, A12And A14For N magnetic polarity, A11To N2, A12To S2, A13To N1,A14To S1Clockwise electromagnetism is generated respectively to inhale
Gravitation；At the same time, B phase magnetic pole B11And B13For S magnetic polarity, B12And B14For N magnetic polarity, B11, B12, B13, B14Respectively with S2,
N1,S1And N2Alignment, and with the rotor pole being aligned magnetic polarity having the same, in the rotor rotary body of force unbalance, B
Four magnetic pole of the stator of phase generate clockwise repulsion electromagnetic force, electric machine rotor whole magnetic between four magnetic poles of rotor respectively
Electromagnetic force caused by interpolar is clockwise, to be synthetically produced electromagnetic torque, and dragging motor rotor clockwise direction rotates,
Until A phase magnetic pole of the stator is aligned with rotor magnetic pole.After A phase magnetic pole of the stator is aligned with rotor magnetic pole, A phase position sensor
Issue current commutation information.For 8/4 pole motor of the present embodiment, after four current commutation beats, rotor is
It has turned over half to turn, subsequent current commutation beat is the process for being repeated in first to fourth beat, this process Zhou Erfu
Begin, the electric energy of input is converted to mechanical energy by motor continuous operation.
It is in the present embodiment 8/4 pole motor, it is extremely even that above scheme is equally applicable to the rotors such as extremely of 12/6 pole, 16/8
Number, stator extremely twice of rotor number of poles, and have the two-phase one direction rotation of self-starting ability (i.e. rotor pole arc two-stage structure)
Motor.
Claims (9)
1. a kind of radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines, it is characterised in that: including motor housing, stator, turn
Son, A, B two-phase bipolarity rotor-position sensor are equipped on the end cap of the non-output shaft one end of motor housing, and the rotor includes turning
Axis, rotor core, rotor core include rotor block, rotor magnetic pole, several rotor magnetic pole radial magnetizings and uniform by N, S magnetic polarity
It is distributed on rotor block excircle, the stator includes stator winding, stator core, and stator core includes stator yoke and stator
Magnetic pole is evenly distributed with several magnetic pole of the stator on stator yoke inner periphery, forms stator slot between two neighboring magnetic pole of the stator, fixed
Sub- number of magnetic poles is twice of rotor magnetic pole number；Concentrated on each magnetic pole of the stator coiling equal turn numbers, line footpath it is identical, around to consistent
Magnetic pole winding, belonging to the magnetic pole winding of A phase, successively head end is connected with head end, and end is connected with end constitutes A phase winding, belongs to B
Successively head end is connected the magnetic pole winding of phase with head end, and end is connected with end constitutes B phase winding, A phase winding, B phase winding difference
It is independently-powered by A phase H bridge, B phase H bridge.
2. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 1, it is characterised in that: each rotor
The polar arc of magnetic pole is made of arc section and slope section, and the width of arc section is equal to stator magnetic pole width, and the width of slope section is equal to
The width of stator slot.
3. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 2, it is characterised in that: the A
Phase H bridge includes first to fourth power tube, and the collector of the first power tube connects positive pole, the emitter of the first power tube and the
The collector of two power tubes is connected, and the emitter of the second power tube connects power cathode, and the collector of third power tube is connecing power supply just
Pole, the emitter of third power tube are connected with the collector of the 4th power tube, and the emitter of the 4th power tube connects power cathode, institute
The head for stating A phase winding is terminated between the emitter of the first power tube and the collector of the second power tube, and the tail end of A phase winding connects
Between the emitter of third power tube and the collector of the 4th power tube, the base stage of first to fourth power tube is as each power
The control terminal of pipe.
4. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 3, it is characterised in that: the B
Phase H bridge includes the 5th to the 8th power tube, and the collector of the 5th power tube connects positive pole, the emitter of the 5th power tube and the
The collector of six power tubes is connected, and the emitter of the 6th power tube connects power cathode, and the collector of the 7th power tube is connecing power supply just
The emitter of pole, the 7th power tube is connected with the collector of the 8th power tube, and the emitter of the 8th power tube connects power cathode, institute
The head for stating B phase winding is terminated between the emitter of the 5th power tube and the collector of the 6th power tube, and the tail end of B phase winding connects
Between the emitter of the 7th power tube and the collector of the 8th power tube, the base stage of the 5th to the 8th power tube is as each power
The control terminal of pipe.
5. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 4, it is characterised in that: the A
Phase H bridge, B phase H bridge give A phase winding, B phase winding to power respectively according to the order of the first beat to the 4th beat in cycles；Choosing
A magnetic pole of the stator in A phase magnetic pole is selected, A is denoted as11, select A11Clockwise next magnetic pole of the stator, is denoted as B11；It is fixed
Adopted rotor magnetic pole alignment refers to that the arc section center line of rotor magnetic pole is overlapped with magnetic pole of the stator center line, works as A11It is extremely right with rotor N
Together, into the first beat, the first power tube of A phase H bridge, the conducting of the 4th power tube, the second power tube, the shutdown of third power tube, B
6th power tube of phase H bridge, the conducting of the 7th power tube, the 5th power tube, the shutdown of the 8th power tube, the current direction of A phase winding
Tail end is flowed to from head end, the current direction of B phase winding flows to head end from tail end；Work as B11It is aligned with the pole rotor N, into the second section
It claps, the first power tube of A phase H bridge, the conducting of the 4th power tube, the second power tube, the shutdown of third power tube, the 5th function of B phase H bridge
Rate pipe, the conducting of the 8th power tube, the 6th power tube, the shutdown of the 7th power tube, the current direction of A phase winding flow to tail from head end
End, the current direction of B phase winding flow to tail end from head end；Work as A11It is aligned with the pole rotor S, into third beat, the of A phase H bridge
Two power tubes, the conducting of third power tube, the first power tube, the shutdown of the 4th power tube, the 5th power tube, the 8th power of B phase H bridge
Pipe conducting, the 6th power tube, the shutdown of the 7th power tube, the current direction of A phase winding flow to head end, the electricity of B phase winding from tail end
It flows direction and flows to tail end from head end；Work as B11It is aligned with the pole rotor S, into the 4th beat, the second power tube, the third function of A phase H bridge
The conducting of rate pipe, the first power tube, the shutdown of the 4th power tube, the 6th power tube of B phase H bridge, the conducting of the 7th power tube, the 5th power
The current direction of pipe, the shutdown of the 8th power tube, A phase winding flows to head end from tail end, and the current direction of B phase winding is flowed to from tail end
Head end；First beat to the 4th beat is powered in cycles, so that the electromagnetic mechanism of A, B two-phase is simultaneously in any operative beat
The electromagnetic torque with direction of rotation is generated, the electromagnetic mechanism of motor is in working condition in full.
6. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 4, it is characterised in that: described turn
Son is the integrated rotor made of ferrite permanent-magnet materials.
7. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 4, it is characterised in that: described fixed
Sub- iron core is fastened by silicon steel plate stacking.
8. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 4, it is characterised in that: described turn
Axis is made with non-magnetic stainless steel.
9. radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines according to claim 4, it is characterised in that: described turn
Axis is made of ordinary steel, and shaft appearance is set with every magnetic bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268907.2U CN209170080U (en) | 2018-12-29 | 2018-12-29 | Radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268907.2U CN209170080U (en) | 2018-12-29 | 2018-12-29 | Radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines |
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| Publication Number | Publication Date |
|---|---|
| CN209170080U true CN209170080U (en) | 2019-07-26 |
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| CN201822268907.2U Withdrawn - After Issue CN209170080U (en) | 2018-12-29 | 2018-12-29 | Radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines |
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| CN (1) | CN209170080U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713818A (en) * | 2018-12-29 | 2019-05-03 | 长沙市开启时代电子有限公司 | Radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines |
| CN110855031A (en) * | 2019-11-27 | 2020-02-28 | 河南科技大学 | Single-winding BL-BLDC control method with 8/4 slot pole ratio |
| CN110855032A (en) * | 2019-11-27 | 2020-02-28 | 河南科技大学 | Single winding BL-BLDC topology with 8/4 slot pole ratio |
| CN111371350A (en) * | 2020-03-30 | 2020-07-03 | 杨猛 | Control method of full-magnetic-field direct-current motor system |
| CN111725925A (en) * | 2020-08-04 | 2020-09-29 | 珠海格力电器股份有限公司 | Single-phase permanent magnet self-starting motor and electric equipment with same |
| CN111884376A (en) * | 2020-08-04 | 2020-11-03 | 珠海格力电器股份有限公司 | Single-phase permanent magnet self-starting motor and electric equipment with same |
| CN112688444A (en) * | 2020-12-11 | 2021-04-20 | 杭州星成电气科技有限公司 | Single-phase reluctance motor with self-starting capability |
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2018
- 2018-12-29 CN CN201822268907.2U patent/CN209170080U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713818A (en) * | 2018-12-29 | 2019-05-03 | 长沙市开启时代电子有限公司 | Radial magnetizing permanent magnetism rotor double-pole type switched reluctance machines |
| CN109713818B (en) * | 2018-12-29 | 2023-12-08 | 湖南开启时代科技股份有限公司 | Radial magnetizing permanent magnet rotor double-pole type switch reluctance motor |
| CN110855031A (en) * | 2019-11-27 | 2020-02-28 | 河南科技大学 | Single-winding BL-BLDC control method with 8/4 slot pole ratio |
| CN110855032A (en) * | 2019-11-27 | 2020-02-28 | 河南科技大学 | Single winding BL-BLDC topology with 8/4 slot pole ratio |
| CN111371350A (en) * | 2020-03-30 | 2020-07-03 | 杨猛 | Control method of full-magnetic-field direct-current motor system |
| CN111725925A (en) * | 2020-08-04 | 2020-09-29 | 珠海格力电器股份有限公司 | Single-phase permanent magnet self-starting motor and electric equipment with same |
| CN111884376A (en) * | 2020-08-04 | 2020-11-03 | 珠海格力电器股份有限公司 | Single-phase permanent magnet self-starting motor and electric equipment with same |
| CN111725925B (en) * | 2020-08-04 | 2021-11-26 | 珠海格力电器股份有限公司 | Single-phase permanent magnet self-starting motor and electric equipment with same |
| CN112688444A (en) * | 2020-12-11 | 2021-04-20 | 杭州星成电气科技有限公司 | Single-phase reluctance motor with self-starting capability |
| CN112688444B (en) * | 2020-12-11 | 2021-11-26 | 杭州星成电气科技有限公司 | Single-phase reluctance motor with self-starting capability |
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