CN105634231B - A kind of permanent-magnet type single-phase switch reluctance machine and its control method - Google Patents
A kind of permanent-magnet type single-phase switch reluctance machine and its control method Download PDFInfo
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- CN105634231B CN105634231B CN201610189821.3A CN201610189821A CN105634231B CN 105634231 B CN105634231 B CN 105634231B CN 201610189821 A CN201610189821 A CN 201610189821A CN 105634231 B CN105634231 B CN 105634231B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
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- Power Engineering (AREA)
- Control Of Electric Motors In General (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of permanent-magnet type single-phase switch reluctance machines, including motor output shaft, control system and at least one set of armature device, the armature device includes stator and rotor, it is air gap between the stator and the salient pole of rotor, the rotor is fixedly attached to motor output shaft periphery, number of salient poles on the stator is consistent with the number of salient poles on rotor, stator electromagnet winding is installed at the salient pole position of the stator, the coiling direction of adjacent stator electromagnet winding is different, it is embedded with permanent magnet at the salient pole position of the rotor, the magnetizing direction of the permanent magnet is radial, the polarity for the permanent magnet that adjacent each salient pole is embedded in the rotor is different.The present invention is on the basis of maintaining ordinary tap reluctance motor institute's peculiar advantage, eliminate the intrinsic torque pulsation of ordinary tap reluctance motor, the way traffic of motor can be achieved, the power density of motor is improved simultaneously, the transfer efficiency of power input energy is improved, energy-efficient target is effectively realized.
Description
Technical field
The invention belongs to motor field, more particularly to the repeatable permanent-magnet type single-phase switch magnetic resistance utilized of a kind of input energy
Electric motor and controller method.
Background technology
The stator and rotor of traditional two-phase switch reluctance motor are salient-pole structure, and the stator and rotor iron core number of teeth is equal, fixed,
Rotor core is single hop iron core, by being powered successively to stator winding, you can so that stator poles is generated with rotor pole interaction and turns
Square, thus its is simple in structure, it is reliable for operation.
And in conventional single-phase switch reluctance machine, due to the starting problem of motor to be considered, it is typically necessary to electricity
The salient pole of the rotor of machine does deformation process, so that motor can realize the purpose voluntarily started.But after the salient pole deformation of rotor
No longer it is the double-salient-pole structure in original meaning, thus can also loses or weaken specific to traditional biconvex pole switching reluctance motor
Characteristic, control characteristic can also change, and this motor can not realize bidirectional movement；It single-phase is opened in addition, traditional
The shortcomings of closing reluctance motor there are output torque fluctuations that big, output torque density is low, the output of continuous torque cannot be generated.
In addition, as shown in Figure 1, in the control system of traditional single-phase switch reluctance machine, when motor commutation stator around
Original energy demand is released in group, the method used for：By the remaining energy stored in stator winding with continuous
Stream or the mode feedback power of forced reversing, but the energy of some residual cannot not only do useful work at this time, it instead can also shape
At reactive current, thus the power factor of motor can be not only reduced, or even be also possible to impact the operation of motor.
Invention content
It is an object of the invention to：In view of the above problems, a kind of can realize the energy of input is provided to repeat
It utilizes, to improve the transfer efficiency of input energy, to reach effective energy saving purpose, and motor two-way operation may be implemented
Permanent-magnet type single-phase switch reluctance machine and its control method.
The technical proposal of the invention is realized in this way：A kind of permanent-magnet type single-phase switch reluctance machine, it is characterised in that：Packet
Motor output shaft, control system and at least one set of armature device are included, the armature device includes stator and rotor, the stator
It is air gap between the salient pole of rotor, the rotor is fixedly attached to motor output shaft periphery, the number of salient poles on the stator
It is consistent with the number of salient poles on rotor, stator electromagnet winding, adjacent stator electromagnet are installed at the salient pole position of the stator
The coiling direction of winding is different, the head of first stator electromagnet winding and the tail of the last one stator electromagnet winding respectively with control
The power circuit output end of system is connected, when having electric current to flow through in stator electromagnet winding, produced by adjacent each stator salient poles
Polarity of the magnetic field it is different, be embedded with permanent magnet at the salient pole position of the rotor, the magnetizing direction of the permanent magnet is radial, institute
The polarity for stating the permanent magnet that each salient pole adjacent in rotor is embedded in is different, when the salient pole of stator and rotor overlaps, then constitutes
The field circuit of closure.
Permanent-magnet type single-phase switch reluctance machine of the present invention, the armature device are two groups, i.e., the described permanent-magnet type
The stator of single-phase switch reluctance machine is made of leading portion stator core and back segment stator core, and the rotor is by leading portion rotor core
It is formed with back segment rotor core, stator that front and rear sections are included, rotor core respectively form magnetic field that is independent and being voluntarily closed and return
Road；
The number of salient poles of the leading portion stator core and back segment stator core is equal, and between two sections of stator cores there are
Gap, the salient pole position in the leading portion stator core and back segment stator core arranged by cross bearing, i.e. leading portion stator core
Salient pole center line is corresponding with the recess portion center line of back segment stator core, the stator electromagnet winding on the leading portion stator core with
Stator electromagnet winding on back segment stator core collectively constitutes the stator electromagnet winding of monophase machine；
The number of salient poles of the leading portion rotor core and back segment rotor core is equal, and with the salient pole on corresponding stator core
Quantity is identical, and there are gap, the leading portion rotor core and back segments to turn between the leading portion rotor core and back segment rotor core
The center line of salient pole is on the same line in sub- iron core；
When the salient pole position center line in leading portion stator core is corresponding with the salient pole position center line in leading portion rotor core
When, the salient pole position center line in back segment rotor core is corresponding with the recess portion center line of back segment stator core, and the leading portion turns
Sub- iron core and back segment rotor core are installed on motor output shaft, and are rotated synchronously with motor output shaft.
Permanent-magnet type single-phase switch reluctance machine of the present invention, the armature device are two groups, i.e., the described permanent-magnet type
The stator of single-phase switch reluctance machine is made of leading portion stator core and back segment stator core, and the rotor is by leading portion rotor core
It is formed with back segment rotor core, stator that front and rear sections are included, rotor core respectively form magnetic field that is independent and being voluntarily closed and return
Road；
The number of salient poles of the leading portion stator core and back segment stator core is equal, and between two sections of stator cores there are
Gap, the salient pole position in the leading portion stator core and back segment stator core arranged by cross bearing, i.e. leading portion stator core
Salient pole center line is corresponding with the recess portion center line of back segment stator core, the stator electromagnet winding on the leading portion stator core with
Stator electromagnet winding on back segment stator core collectively constitutes the stator electromagnet winding of monophase machine；
The number of salient poles of the leading portion rotor core and back segment rotor core is equal, and with the salient pole on corresponding stator core
Quantity is identical, and there are gap, the leading portion rotor core and back segments to turn between the leading portion rotor core and back segment rotor core
Salient pole position in sub- iron core arranged by cross bearing, i.e., the salient pole center line of leading portion rotor core and back segment rotor core is recessed
Portion's center line is corresponding；
When the salient pole position center line in leading portion stator core is corresponding with the salient pole position center line in leading portion rotor core
When, the salient pole position center line and the salient pole position center line of back segment stator core in back segment rotor core are also corresponding, before described
Section rotor core and back segment rotor core are installed on motor output shaft, and are rotated synchronously with motor output shaft.
The correspondence of permanent-magnet type single-phase switch reluctance machine of the present invention, the stator and rotor is internal rotor
Structure either outer-rotor structure.
Permanent-magnet type single-phase switch reluctance machine of the present invention is provided with polarity detection circuit in the control system
And position detecting circuit.
Permanent-magnet type single-phase switch reluctance machine of the present invention is provided with storage capacitor electric current in the control system
Detection circuit.
Permanent-magnet type single-phase switch reluctance machine of the present invention, the power circuit be using four switching tube Q1,
The H-bridge circuit that Q2, Q3, Q4 are constituted, each bridge arm are made of top tube and down tube, the down tube of the upper tube of any bridge arm and corresponding bridge arm
One group is constituted, simultaneously turn on or is ended, at least one isolating diode, the output end of two bridge arms are both provided on two bridge arms
It is connected with two ends of stator winding, fly-wheel diode is also respectively connected, and be connected with accumulator by fly-wheel diode
It connects, accumulator can be made of single energy-storage travelling wave tube, can also be collectively formed by composite energy storage element.
Permanent-magnet type single-phase switch reluctance machine of the present invention, the both ends the stator winding L difference in the H-bridge circuit
It is connect with sustained diode 5 and sustained diode 6, the sustained diode 5, D6 pass through isolating diode D7, D8 and switch
Pipe Q1, Q3 connection, power supply E are connected by isolating diode D9, D10 and switching tube Q1, Q3 respectively, the stator winding L difference
By protection diode D2, D4 in sustained diode 5, D6 and down tube, under switching tube cut-off state with storage capacitor C
Charge circuit is constituted, the storage capacitor C can discharge in the state that any group of switching tube is connected to stator winding L.
A kind of control method of permanent-magnet type single-phase switch reluctance machine, it is characterised in that：When the rotor of motor go to it is predetermined
Position when, position detecting circuit provides control signal, by control circuit driving switch pipe Q1, Q4 conducting of control system,
Electric current in stator winding L is begun to ramp up, and it is from left to right, when the electric current in stator winding L reaches to generate sense of current
When the number of restriction, switching tube Q1, Q4 are ended, since the electric current in stator winding L cannot be mutated, in stator winding L
Electric current from the left end A of right end B → D6 of stator winding L → F points → C → D2 → stator winding L to storage capacitor C charge, will
Magnetic field energy in stator winding L is converted to the electric field energy of storage capacitor C, when electric current becomes 0 in stator winding L, at this moment
Magnetic field energy in stator winding L is all converted to the electric field energy of storage capacitor C, on the both ends of storage capacitor C occur just
Lower negative, the amplitude of UC reaches crest voltage, and due to the effect of isolating diode, storage capacitor C cannot discharge to stator winding L,
It can not discharge to power supply E；
When reaching scheduled state switching position, control circuit driving switch pipe Q3, Q2 conducting, supply voltage is through D10
→ Q3 → B → L → A → Q2 → ground constitutes circuit, is powered to stator winding L, and the electric field energy stored in storage capacitor C is then
Circuit is constituted by Q3 → B → L → A → Q2 → ground, is discharged to stator winding L；
Similarly, when the electric current in stator winding L reaches the number of restriction, by switching tube Q3, Q2 end, due to stator around
Group L in electric current cannot be mutated, therefore the electric current in stator winding L by stator winding L left end A → D5 → F points → C → D4 →
The right end B of stator winding L charges to storage capacitor C, and the magnetic field energy in stator winding L is converted to the electric field of storage capacitor C
Energy, when electric current becomes 0 in stator winding L, at this moment the magnetic field energy in stator winding L is all converted to storage capacitor C's
Electric field energy, just lower negative on the both ends of storage capacitor C occur, the amplitude of UC reaches crest voltage, due to isolating diode
Effect, storage capacitor C cannot discharge to stator winding L, can not discharge to power supply E.
The control method of permanent-magnet type single-phase switch reluctance machine of the present invention, when the motor is energized, according to polarity
The Check up polarity signal that detection circuit provides is connected by control circuit driving switch pipe Q1, Q4 or Q3 of control system, Q2,
Hall element in the polarity detection circuit is mounted on the position of center line of any recess portion of stator.
The present invention eliminates ordinary tap magnetic resistance electricity on the basis of maintaining ordinary tap reluctance motor institute's peculiar advantage
The intrinsic torque pulsation of machine reduces the noise of motor, and can realize the way traffic of motor, while improving the work(of motor
Rate density, improves the transfer efficiency of power input energy, effectively realizes energy-efficient target.
The beneficial effect comprise that：
1, the repeatable permanent-magnet type single-phase switch reluctance machine utilized of input energy using the present invention and conventional three-phase
Switched reluctance machines compare, and in the case of identical motor volume and identical electromagnetic parameter, can make the power of motor
Density improves 3 times, and eliminates the disadvantage that the intrinsic torque pulsation of ordinary tap reluctance motor is big, noise is big, remains often
Advise all advantages of switched reluctance machines.
2, the control program that the present invention uses has used energy conversion unit, thus can make to be obtained by power supply institute input energy
It must reuse, therefore the input of power supply can be reduced in the case where keeping identical motor characteristic, to obtain good section
It can effect.
3, motor of the invention have it is simple in structure, convenient for design and calculate, while being also convenient for modeling and simulation.
4, control loop of the invention is simple in structure convenient convenient for designing and controlling programming, which can be applied to
The motor of various power, and can meet the needs of various speed regulating controls.
5, motor of the invention is identical in output power, it is possible to reduce iron compared with Conventional permanent magnet motor
The dosage of core, coil copper wire and permanent magnet has larger cost advantage.
6, motor of the invention has compact-sized, light-weight and power expansion convenient thus close with good power
Degree and torque density.
7, electric motor and controller method using the present invention can make the more efficient of motor, and with better energy saving effect
Fruit.
8, motor of the invention there is temperature to rise low, pulse free, noise be small, the higher good characteristic of reliability.
9, motor of the invention can flexibly select various a variety of different control programs according to the situation of load, to obtain
Best control effect.
10, motor using the present invention and control system can very easily realize the way traffic of motor, and have phase
Same energy-saving effect.
Description of the drawings
Fig. 1 is the single-phase H bridges power circuit in existing single-phase switch reluctance machine.
Fig. 2 and Fig. 3 be in the embodiment of the present invention 1 one group of armature device i.e. single hop stator and rotor under different traffic directions
Deployed configuration schematic diagram.
Fig. 4 is the sectional view of leading portion stator and leading portion rotor corresponding matching in the embodiment of the present invention 2.
Fig. 5 is the sectional view of 2 posterior segment stator and back segment rotor corresponding matching of the embodiment of the present invention.
Fig. 6 is the deployed configuration schematic diagram that two sections of stators and rotor are used in the embodiment of the present invention 2.
Fig. 7 is the sectional view of 3 posterior segment stator and back segment rotor corresponding matching of the embodiment of the present invention.
Fig. 8 is the deployed configuration schematic diagram that two sections of stators and rotor are used in the embodiment of the present invention 3.
Fig. 9 is the topology diagram of power circuit in the present invention.
It is marked in figure：1 is stator, and 2 be rotor, and 3 be permanent magnet, and 4 be stator electromagnet winding, and 5 be motor output shaft, D1~
D4 is protection diode, and D5~D6 is fly-wheel diode, and D7~D10 is isolating diode, and C is storage capacitor, L be stator around
Group.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1：As shown in Figures 2 and 3, a kind of permanent-magnet type single-phase switch reluctance machine, including motor output shaft, control system
System and at least one set of armature device, in the present embodiment, the armature device is one group, and the armature device includes stator 1
It is air gap between the stator 1 and the salient pole of rotor 2 with rotor 2, the rotor 2 is fixedly attached to 5 periphery of motor output shaft,
Number of salient poles on the stator 1 is consistent with the number of salient poles on rotor 2, and stator is equipped at the salient pole position of the stator 1
The coiling direction of electromagnetism winding 4, adjacent stator electromagnet winding 4 is different, i.e., the installation of the salient pole position of the described stator it is several fixed
Can connect between sub- electromagnetism winding, can be in parallel, can also go here and there and combine, the head of first stator electromagnet winding and the last one stator
The tail of electromagnetism winding is connected with the power circuit output end of control system respectively, when having electric current to flow through in stator electromagnet winding
When, polarity of the magnetic field caused by adjacent each stator salient poles is different, and permanent magnet 3 is embedded at the salient pole position of the rotor 2, described
The magnetizing direction of permanent magnet 3 is radial, and the polarity for the permanent magnet 3 that adjacent each salient pole is embedded in the rotor 2 is different, when fixed
When the salient pole of son and rotor overlaps, then the field circuit of closure is constituted.
Wherein, it is provided with polarity detection circuit and position detecting circuit in the control system, to meet opening for motor
Dynamic and operating control demand, i.e., judge initial position of rotor by polarity detection circuit and position detecting circuit, when
When electric motor starting, the Check up polarity signal provided according to polarity detection circuit passes through the control circuit driving switch of control system
Pipe Q1, Q4 or Q3, Q2 are connected, and the Hall element in the polarity detection circuit is mounted on the center line position of any recess portion of stator
It sets；Storage capacitor current detection circuit is provided in the control system, to meet the needs of motor operating control；It is described fixed
The correspondence of son and rotor can be inner rotor core, can also be outer-rotor structure.
As shown in Fig. 2, the stator, rotor are both provided with 6 salient poles, adjacent stator electromagnet winding is by from beginning to end
Mode is connected, the different permanent magnet of the adjacent salient pole setting polarized of rotor, when stator electromagnet winding has electric current to flow through and generate
Polarity chron as shown in the figure makes rotor since there is a natural attraction between the sexes by pulling force to the right, so that rotor is moved to the right until stator and
The salient pole of rotor overlaps, and position detecting circuit provides detection signal at this time, and control circuit commutates, the switching tube group of original conducting
It closes, and corresponding switching tube group is connected, and keeps the polarity that stator salient poles generate identical as the polarity of rotor with salient pole permanent magnet, same
Property repel each other under the thrust of generation and the collective effect of motional inertia, make the rotor continue to move right until stator recess portion and rotor
Salient pole overlaps, then position detecting circuit provides detection signal again, and control circuit is made to commutate, hereafter the process of process and front
It is similar, it repeats no more.
As shown in figure 9, the power circuit is the H-bridge circuit constituted using four switching tubes Q1, Q2, Q3, Q4, Mei Geqiao
Arm is made of top tube and down tube, and the upper tube of any bridge arm constitutes one group with the down tube of corresponding bridge arm, simultaneously turns on or ends, two
At least one isolating diode is both provided on bridge arm, the output end of two bridge arms is connected with two ends of stator winding, also divides
It is not connected with fly-wheel diode, and is connected with accumulator by fly-wheel diode, accumulator can be by single energy storage member
Part is constituted, and can also be collectively formed by composite energy storage element；Both ends stator winding L in the H-bridge circuit respectively with afterflow two
Pole pipe D5 and sustained diode 6 connect, and the sustained diode 5, D6 pass through isolating diode D7, D8 and switching tube Q1, Q3
Connection, power supply E are connected by isolating diode D9, D10 and switching tube Q1, Q3 respectively, and the stator winding L passes through afterflow respectively
Protection diode D2, D4 in diode D5, D6 and down tube is constituted with storage capacitor C under switching tube cut-off state and is charged
Circuit, the storage capacitor C can discharge in the state that any group of switching tube is connected to stator winding L.
Embodiment 2：As shown in Fig. 4,5 and 6, in the present embodiment, the armature device is two groups, i.e., the described permanent-magnet type list
The stator 1 of phase switch reluctance motor is made of leading portion stator core and back segment stator core, and the rotor 2 is by leading portion rotor core
It is formed with back segment rotor core, stator that front and rear sections are included, rotor core respectively form magnetic field that is independent and being voluntarily closed and return
Road.
Wherein, the number of salient poles of the leading portion stator core and back segment stator core is equal, and between two sections of stator cores
There are gap, the salient pole position in the leading portion stator core and back segment stator core is arranged by cross bearing, i.e. leading portion stator
The salient pole center line of iron core is corresponding with the recess portion center line of back segment stator core, the stator electromagnet on the leading portion stator core
Winding collectively constitutes the stator electromagnet winding of monophase machine with the stator electromagnet winding on back segment stator core；The leading portion rotor
The number of salient poles of iron core and back segment rotor core is equal, and identical as the number of salient poles on corresponding stator core, and the leading portion turns
There are gap between sub- iron core and back segment rotor core, the center line of salient pole in the leading portion rotor core and back segment rotor core
On the same line.
As shown in figure 4, when the salient pole position center line in leading portion stator core and the salient pole position in leading portion rotor core
When center line is to the corresponding to as shown in figure 5, recess portion center of the salient pole position center line and back segment stator core in back segment rotor core
Line is corresponding, and the leading portion rotor core and back segment rotor core are installed on motor output shaft 5, and with motor output shaft 5
It rotates synchronously.
As shown in fig. 6, it is polarity chron as shown in the figure to work as magnetic field caused by the electric current in stator electromagnet winding, motor
Traffic direction is side direction to the right.It is fixed since the field circuit on two sections of stator cores is mutual indepedent, and on each section of stator core
The coiling of sub- electromagnetism winding ensure that its generate polarity it is different, while on rotor Adjacent salient poles arranged permanent magnet polarity
Also different, and two sections of stator cores have correspondence, therefore it is equivalent to two independently operated switched reluctance machines and does and connects
Axis is run, thus the motion process of the field circuit of motor is similar with the process of embodiment 1 in the present embodiment, it is only necessary in electricity
The starting stage control circuit that machine starts, which provides, correctly starts control, and magnetic field caused by the electric current in stator winding is made to meet
The magnetic pole of required rotation direction needs, it will be able to and so that rotor is realized Double-directional rotary, it is worth noting that, in the present embodiment, due to
The bumps of two groups of stators are extremely interlaced, and the salient pole of its rotor is then on same center line, therefore in the field circuit of motor,
It is often transported and is moved in collective effect, thus with good with thrust by pulling force respectively in two groups of armature devices when moving a step
Weighing apparatus property and flatness, motor operating not will produce any torque pulsation and running noise is very small.
Other are same as Example 1.
Embodiment 3：As shown in FIG. 7 and 8, in the present embodiment, the armature device is two groups, i.e., the described permanent-magnet type is single-phase
The stator 1 of switched reluctance machines is made of leading portion stator core and back segment stator core, the rotor 2 by leading portion rotor core and
Back segment rotor core forms, and stator that front and rear sections are included, rotor core respectively form magnetic field that is independent and being voluntarily closed and return
Road.
Wherein, the number of salient poles of the leading portion stator core and back segment stator core is equal, and between two sections of stator cores
There are gap, the salient pole position in the leading portion stator core and back segment stator core is arranged by cross bearing, i.e. leading portion stator
The salient pole center line of iron core is corresponding with the recess portion center line of back segment stator core, the stator electromagnet on the leading portion stator core
Winding collectively constitutes the stator electromagnet winding of monophase machine with the stator electromagnet winding on back segment stator core；The leading portion rotor
The number of salient poles of iron core and back segment rotor core is equal, and identical as the number of salient poles on corresponding stator core, and the leading portion turns
There are gap between sub- iron core and back segment rotor core, the salient pole position in the leading portion rotor core and back segment rotor core is pressed
Cross bearing arranges that the salient pole center line of i.e. leading portion rotor core is corresponding with the recess portion center line of back segment rotor core.
As shown in figure 4, when the salient pole position center line in leading portion stator core and the salient pole position in leading portion rotor core
When center line is to the corresponding to as shown in fig. 7, salient pole position of the salient pole position center line and back segment stator core in back segment rotor core
Center line also corresponds to, and the leading portion rotor core and back segment rotor core are installed on motor output shaft 5, and is exported with motor
Axis 5 rotates synchronously.
As shown in figure 8, it is polarity chron as shown in the figure to work as magnetic field caused by the electric current in stator electromagnet winding, motor
Traffic direction is side direction to the right.It is fixed since the field circuit on two sections of stator cores is mutual indepedent, and on each section of stator core
The coiling of sub- electromagnetism winding ensure that its generate polarity it is different, while on rotor Adjacent salient poles arranged permanent magnet polarity
Also different, and two sections of stator cores have correspondence, therefore it is equivalent to two independently operated switched reluctance machines and does and connects
Axis is run, thus the motion process of the field circuit of motor is similar with the process of embodiment 1 in the present embodiment, it is only necessary in electricity
The starting stage control circuit that machine starts, which provides, correctly starts control, and magnetic field caused by the electric current in stator winding is made to meet
The magnetic pole of required rotation direction needs, it will be able to rotor be made to realize Double-directional rotary.
Other are same as Example 1.
As shown in figure 9, a kind of control method of permanent-magnet type single-phase switch reluctance machine：When the rotor of motor go to it is scheduled
When position, position detecting circuit provides control signal, fixed by control circuit driving switch pipe Q1, Q4 conducting of control system
Electric current in sub- winding L is begun to ramp up, and it is from left to right, when the electric current in stator winding L reaches limit to generate sense of current
When fixed number, switching tube Q1, Q4 are ended, since the electric current in stator winding L cannot be mutated, in stator winding L
Electric current is charged from the left end A of right end B → D6 of stator winding L → F points → C → D2 → stator winding L to storage capacitor C, will be determined
Magnetic field energy in sub- winding L is converted to the electric field energy of storage capacitor C, at this moment fixed when electric current becomes 0 in stator winding L
Magnetic field energy in sub- winding L is all converted to the electric field energy of storage capacitor C, storage capacitor C both ends occur on just under
Negative, the amplitude of UC reaches crest voltage, and due to the effect of isolating diode, storage capacitor C cannot discharge to stator winding L,
It cannot discharge to power supply E.
When reaching scheduled state switching position, control circuit driving switch pipe Q3, Q2 conducting, supply voltage is through D10
→ Q3 → B → L → A → Q2 → ground constitutes circuit, is powered to stator winding L, and the electric field energy stored in storage capacitor C is then
Circuit is constituted by Q3 → B → L → A → Q2 → ground, is discharged to stator winding L.
Similarly, when the electric current in stator winding L reaches the number of restriction, by switching tube Q3, Q2 end, due to stator around
Group L in electric current cannot be mutated, therefore the electric current in stator winding L by stator winding L left end A → D5 → F points → C → D4 →
The right end B of stator winding L charges to storage capacitor C, and the magnetic field energy in stator winding L is converted to the electric field of storage capacitor C
Energy, when electric current becomes 0 in stator winding L, at this moment the magnetic field energy in stator winding L is all converted to storage capacitor C's
Electric field energy, just lower negative on the both ends of storage capacitor C occur, the amplitude of UC reaches crest voltage, due to isolating diode
Effect, storage capacitor C cannot discharge to stator winding L, can not discharge to power supply E.
When work in stator winding L state switching when, be switched to switching tube Q3, Q2 conducting state, then at this time stator around
The current potential of group bis- end counter electromotive force of L is right positive left negative, and the UCE of switching tube Q2 can not be connected to be reverse-biased, if stator winding L at this time
In electric current still be 0, then circuit can pass through the left end of right end B → D6 → F points → C → D2 → stator winding L of stator winding L
A charges to storage capacitor C, and when the remaining electric current in stator winding L is 0, Q2 is connected, completion status switching.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (6)
1. a kind of permanent-magnet type single-phase switch reluctance machine, it is characterised in that：Including motor output shaft, control system and at least one
Group armature device, the armature device includes stator（1）And rotor（2）, the stator（1）And rotor（2）Salient pole between be
Air gap, the rotor（2）It is fixedly attached to motor output shaft（5）Periphery, the stator（1）On number of salient poles and rotor（2）
On number of salient poles it is consistent, in the stator（1）Salient pole position stator electromagnet winding is installed（4）, adjacent stator electromagnet
Winding（4）Coiling direction it is different, the head of first stator electromagnet winding and the tail of the last one stator electromagnet winding respectively with
The power circuit output end of control system is connected, when thering is electric current to flow through in stator electromagnet winding, adjacent each stator salient poles institute
The polarity of the magnetic field of generation is different, in the rotor（2）Salient pole position be embedded with permanent magnet（3）, the permanent magnet（3）Magnetize
Direction is radial, the rotor（2）In the permanent magnet that is embedded in of adjacent each salient pole（3）Polarity it is different, when stator and rotor
Salient pole overlap when, then constitute the field circuit of closure；
The power circuit is the H-bridge circuit constituted using four switching tubes Q1, Q2, Q3, Q4, and each bridge arm is by top tube and down tube
It constitutes, the upper tube of any bridge arm constitutes one group with the down tube of corresponding bridge arm, simultaneously turns on or ends, is both provided on two bridge arms
At least one isolating diode, the output end of two bridge arms are connected with two ends of stator winding, and afterflow two is also respectively connected
Pole pipe, and be connected with accumulator by fly-wheel diode, accumulator is made of single energy-storage travelling wave tube, or by compound storage
Energy element collectively forms；
The both ends stator winding L in the H-bridge circuit are connect with sustained diode 5 and sustained diode 6 respectively, the afterflow
Diode D5, D6 are connected by isolating diode D7, D8 and switching tube Q1, Q3, and power supply E passes through isolating diode D9, D10 respectively
It is connect with switching tube Q1, Q3, the stator winding L passes through the protection diode in sustained diode 5, D6 and down tube respectively
D2, D4, charge circuit is constituted under switching tube cut-off state with storage capacitor C, and the storage capacitor C is led in any group of switching tube
It can discharge to stator winding L in the state of logical；
Polarity detection circuit, position detecting circuit and storage capacitor current detection circuit are provided in the control system.
2. permanent-magnet type single-phase switch reluctance machine according to claim 1, it is characterised in that：The armature device is two
Group, i.e., the stator of the described permanent-magnet type single-phase switch reluctance machine（1）It is made of leading portion stator core and back segment stator core, it is described
Rotor（2）It is made of leading portion rotor core and back segment rotor core, stator that front and rear sections are included, rotor core respectively form
Field circuit that is independent and being voluntarily closed；
The number of salient poles of the leading portion stator core and back segment stator core is equal, and there are gap between two sections of stator cores,
Salient pole position in the leading portion stator core and back segment stator core is by cross bearing arrangement, the i.e. salient pole of leading portion stator core
Center line is corresponding with the recess portion center line of back segment stator core, the stator electromagnet winding on the leading portion stator core and back segment
Stator electromagnet winding on stator core collectively constitutes the stator electromagnet winding of monophase machine；
The number of salient poles of the leading portion rotor core and back segment rotor core is equal, and with the number of salient poles on corresponding stator core
Identical, there are gap, the leading portion rotor core and back segment rotor iron between the leading portion rotor core and back segment rotor core
The center line of salient pole is on the same line in core；
When salient pole position center line and the salient pole position center line in leading portion rotor core in leading portion stator core to it is corresponding when after
Salient pole position center line in section rotor core is corresponding with the recess portion center line of back segment stator core, the leading portion rotor core
It is installed in motor output shaft with back segment rotor core（5）On, and and motor output shaft（5）It rotates synchronously.
3. permanent-magnet type single-phase switch reluctance machine according to claim 1, it is characterised in that：The armature device is two
Group, i.e., the stator of the described permanent-magnet type single-phase switch reluctance machine（1）It is made of leading portion stator core and back segment stator core, it is described
Rotor（2）It is made of leading portion rotor core and back segment rotor core, stator that front and rear sections are included, rotor core respectively form
Field circuit that is independent and being voluntarily closed；
The number of salient poles of the leading portion stator core and back segment stator core is equal, and there are gap between two sections of stator cores,
Salient pole position in the leading portion stator core and back segment stator core is by cross bearing arrangement, the i.e. salient pole of leading portion stator core
Center line is corresponding with the recess portion center line of back segment stator core, the stator electromagnet winding on the leading portion stator core and back segment
Stator electromagnet winding on stator core collectively constitutes the stator electromagnet winding of monophase machine；
The number of salient poles of the leading portion rotor core and back segment rotor core is equal, and with the number of salient poles on corresponding stator core
Identical, there are gap, the leading portion rotor core and back segment rotor iron between the leading portion rotor core and back segment rotor core
Salient pole position in core is arranged by cross bearing, i.e., in the salient pole center line of leading portion rotor core and the recess portion of back segment rotor core
Heart line is corresponding；
When salient pole position center line and the salient pole position center line in leading portion rotor core in leading portion stator core to it is corresponding when after
Salient pole position center line and the salient pole position center line of back segment stator core in section rotor core is also corresponding, the leading portion rotor
Iron core and back segment rotor core are installed in motor output shaft（5）On, and and motor output shaft（5）It rotates synchronously.
4. permanent-magnet type single-phase switch reluctance machine according to claim 1, it is characterised in that：The stator（1）And rotor
（2）Correspondence be inner rotor core either outer-rotor structure.
5. a kind of control method of permanent-magnet type single-phase switch reluctance machine as described in any one of Claims 1-4, special
Sign is：When the rotor of motor goes to scheduled position, position detecting circuit provides control signal, passes through the control of control system
Circuit drives switching tube Q1, Q4 processed conducting, the electric current in stator winding L are begun to ramp up, generate sense of current be by it is left extremely
Switching tube Q1, Q4 are ended, due to the electricity in stator winding L when the electric current in stator winding L reaches the number of restriction on the right side
Stream cannot be mutated, therefore the electric current in stator winding L is by right end B → D6 → F points → C → D2 → stator winding L of stator winding L
Left end A charge to storage capacitor C, the magnetic field energy in stator winding L is converted to the electric field energy of storage capacitor C, when fixed
When electric current becomes 0 in sub- winding L, at this moment the magnetic field energy in stator winding L is all converted to the electric field energy of storage capacitor C,
Just lower negative on the both ends of storage capacitor C occur, the amplitude of UC reaches crest voltage, due to the effect of isolating diode, energy storage
Capacitance C cannot discharge to stator winding L, can not discharge to power supply E；
When reaching scheduled state switching position, control circuit driving switch pipe Q3, Q2 conducting, supply voltage is through D10 → Q3
→ B → L → A → Q2 → ground constitutes circuit, is powered to stator winding L, and the electric field energy stored in storage capacitor C then passes through
Q3 → B → L → A → Q2 → ground constitutes circuit, discharges to stator winding L；
Similarly, when the electric current in stator winding L reaches the number of restriction, switching tube Q3, Q2 are ended, due to stator winding L
In electric current cannot be mutated, therefore the electric current in stator winding L by stator winding L left end A → D5 → F points → C → D4 → it is fixed
The right end B of sub- winding L charges to storage capacitor C, and the magnetic field energy in stator winding L is converted to the electric field energy of storage capacitor C
Amount, when electric current becomes 0 in stator winding L, at this moment the magnetic field energy in stator winding L is all converted to the electricity of storage capacitor C
Field energy, just lower negative on the both ends of storage capacitor C occur, the amplitude of UC reaches crest voltage, due to the work of isolating diode
With storage capacitor C cannot discharge to stator winding L, can not discharge to power supply E.
6. the control method of permanent-magnet type single-phase switch reluctance machine according to claim 5, it is characterised in that：When motor opens
When dynamic, the Check up polarity signal provided according to polarity detection circuit passes through control circuit driving switch pipe Q1, Q4 of control system
Or Q3, Q2 are connected, the Hall element in the polarity detection circuit is mounted on the position of center line of any recess portion of stator.
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| CN106130277A (en) * | 2016-08-23 | 2016-11-16 | 顾志强 | A kind of magneto switched reluctance machines |
| CN106712431B (en) * | 2017-03-29 | 2023-11-28 | 上海鼎特电器有限公司 | Single-phase permanent magnet type switch reluctance motor and control method thereof |
| CN107103135A (en) * | 2017-04-25 | 2017-08-29 | 哈尔滨理工大学 | A kind of big stator winding conductor bars in electrical machines transposition structure parametric modeling method |
| CN109951041B (en) * | 2019-05-05 | 2024-02-06 | 大国重器自动化设备(山东)股份有限公司 | Servo motor and electric automobile |
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| CN1645712A (en) * | 2005-01-07 | 2005-07-27 | 南京航空航天大学 | Magnetic resistant electric motor with double stator switch |
| CN1780119A (en) * | 2004-11-19 | 2006-05-31 | 谢庆生 | Reluctance motor with repelling-attracting permanent magnetic switch |
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| EP2996242A2 (en) * | 2014-08-08 | 2016-03-16 | Johnson Electric S.A. | Drive circuit for a permanent magnetic motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204858927U (en) * | 2015-09-08 | 2015-12-09 | 顾志强 | Axial cloth looks isopolar structure switched reluctance motor |
| CN205453545U (en) * | 2016-03-30 | 2016-08-10 | 上海鼎特电器有限公司 | Power circuit and adopt single -phase switched reluctance motor of permanent -magnet type of this circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780119A (en) * | 2004-11-19 | 2006-05-31 | 谢庆生 | Reluctance motor with repelling-attracting permanent magnetic switch |
| CN1645712A (en) * | 2005-01-07 | 2005-07-27 | 南京航空航天大学 | Magnetic resistant electric motor with double stator switch |
| CN103326527A (en) * | 2012-03-23 | 2013-09-25 | 阿斯莫有限公司 | Brushless motor |
| EP2996242A2 (en) * | 2014-08-08 | 2016-03-16 | Johnson Electric S.A. | Drive circuit for a permanent magnetic motor |
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