CN106972725A - A kind of single-phase permanent type switched reluctance machines and its control method - Google Patents
A kind of single-phase permanent type switched reluctance machines and its control method Download PDFInfo
- Publication number
- CN106972725A CN106972725A CN201710378208.0A CN201710378208A CN106972725A CN 106972725 A CN106972725 A CN 106972725A CN 201710378208 A CN201710378208 A CN 201710378208A CN 106972725 A CN106972725 A CN 106972725A
- Authority
- CN
- China
- Prior art keywords
- stator
- core
- rotor
- stator core
- salient pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/08—Reluctance motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a kind of single-phase permanent type switched reluctance machines, including stator and rotor, the stator is by preceding, in, back segment stator core is constituted, the number of salient poles of three sections of stator cores is equal, and leave gap between three sections of stator cores, before, salient pole center line in back segment stator core is on the same line, salient pole center line in the iron core of stage casing is with before, recessed pole center line in back segment iron core is overlapped, stator electromagnet winding is mounted on the salient pole of three sections of stator cores, the rotor by rotor core and set of permanent magnets into, the number of salient poles of rotor core is equal with the number of salient poles of single hop stator core, permanent magnet is embedded with the salient pole of rotor core, the magnetizing direction of permanent magnet is radial direction and polarity is different.The present invention is on the basis of the peculiar advantage of ordinary tap reluctance motor institute is maintained, eliminate the intrinsic torque pulsation of ordinary tap reluctance motor, the power density of motor is improved simultaneously, is improved the conversion efficiency of power input energy, is effectively realized the target of energy-conservation.
Description
Technical field
The invention belongs to machine field, the repeatable single-phase permanent type switching magnetic-resistance utilized of more particularly to a kind of input energy
Electric motor and controller method.
Background technology
In conventional single-phase switch reluctance machine, due to the starting problem of motor to be considered, it is typically necessary to motor
The salient pole of rotor do deformation process so that motor can realize the purpose voluntarily started.But after the salient pole deformation of rotor not
It is the double-salient-pole structure in original meaning again, thus can also loses or weaken special specific to traditional double-salient-pole switched reluctance machines
Property, its control characteristic can also change, and this motor can not realize bidirectional movement；In addition, conventional single-phase switch
Reluctance motor has that output torque fluctuation is big, output torque density is low, it is impossible to the shortcomings of producing the output of continuous torque.
The content of the invention
It is an object of the invention to：Reused for above-mentioned problem there is provided a kind of energy that can make input,
So as to improve the conversion efficiency of input energy, to reach effectively the single-phase permanent type switched reluctance machines of energy-conservation purpose and its control
Method.
The technical proposal of the invention is realized in this way：A kind of single-phase permanent type switched reluctance machines, including stator, turn
It is air gap, pair of the stator and rotor between son, motor output shaft and control system, the salient pole of the stator and rotor
Should be related to it is inner rotor core either outer-rotor structure, the rotor is fixedly sleeved in motor output shaft periphery, and its feature exists
In：The stator is made up of leading portion stator core, stage casing stator core and back segment stator core, the concave, convex of three sections of stator cores
Number of poles and concave, convex pole width are equal, and concave, convex number of poles is even number, and gap is left between three sections of stator cores,
Salient pole position in the leading portion stator core and back segment stator core is consistent, i.e., the center of salient pole in two sections stator cores
Line on the same line, the center line at the salient pole position in the stage casing stator core and forward and backward two sections of stator core concaves pole
Center line coincide, the salient pole position of described leading portion stator core, stage casing stator core and back segment stator core is respectively mounted
There is stator electromagnet winding；The rotor is by rotor core and set of permanent magnets into the number of salient poles and either segment of the rotor core
The number of salient poles of stator core is equal, and the salient pole width on stator core is less than the salient pole width of rotor core, the rotor
Iron core be divided into before, during and after three sections, be embedded with permanent magnet, the permanent magnet at the stage casing correspondence salient pole position of the rotor core
Magnetizing direction for radially, the polarity for the permanent magnet that adjacent each salient pole is embedded in is different in the rotor core of stage casing, the stage casing
The polarity of the corresponding front and rear sections rotor core of the polarity of rotor core is different, it is described before, during and after three-stage rotor iron core
The center line of salient pole is overlapped, and the rotor core is arranged on motor output shaft, and with motor output shaft synchronous axial system.
Single-phase permanent type switched reluctance machines of the present invention, the corresponding salient pole portion of its described front and rear sections rotor core
Position is without permanent magnet.
Single-phase permanent type switched reluctance machines of the present invention, its described leading portion stator core, stage casing stator core and
Identical length of back segment stator core etc., the total length of the rotor core is equal with the total length of stator core, the rotor
Section is corresponding with section before, during and after stator core respectively before, during and after iron core, the corresponding salient pole portion in the stage casing rotor core
The permanent magnet that position is embedded in and stage casing stator core corresponding matching.
Single-phase permanent type switched reluctance machines of the present invention, it is in the leading portion stator core, stage casing stator core
And non-magnetizer is embedded with respectively between back segment stator core.
Single-phase permanent type switched reluctance machines of the present invention, its electromagnetism installed on the salient pole of each section of stator core
Winding, electromagnetism winding its coiling for being satisfied by installing on any adjacent salient pole for each section is in opposite direction, and on each salient pole
The mode that the equal head of electromagnetism winding, the tail of installation are connected is connected.
Check up polarity electricity is provided with single-phase permanent type switched reluctance machines of the present invention, its described control system
Road, position detecting circuit and energy recovering circuit.
Stator electromagnet winding on single-phase permanent type switched reluctance machines of the present invention, its front and rear sections stator core
Two lead-out wires are distinguished the connected mode of head, tail and connected, the head of stator electromagnet winding and back segment stator on leading portion stator core
On iron core on the tail of stator electromagnet winding and stage casing stator core the head of stator electromagnet winding, tail respectively with set-up of control system
Directional control circuit be connected, the directional control circuit of the set-up of control system can change stator electricity on the stator core of stage casing
The head of stator electromagnet winding, the connection side of tail end on the head of magnetic winding, tail end and the front and rear sections stator core linked together
To the traffic direction of motor can be changed with this.
A kind of control method of single-phase permanent type switched reluctance machines, it is characterised in that：The control system can be using perseverance
Power control mode or the rotation of permanent torque control model motor.
The control method of single-phase permanent type switched reluctance machines of the present invention, the power limitation control pattern described in it is
Refer to, during motor is moved from a certain settling position via unstable position to next settling position, electricity is detected according to position
The position control signal that road is provided turns on power driving circuit in starting position, gives stator electromagnet winding power, drives rotor
Rotation, when reaching unstable position, closes power driving circuit, makes rotor in magnetomotive specific to motor and freewheel current
Collective effect under continue to rotate, until reaching next settling position, when reaching next settling position, power driving circuit changes
Become conducting direction, give stator electromagnet winding reverse power supply, driving rotor continues to rotate, and the rest may be inferred by analogy.
The control method of single-phase permanent type switched reluctance machines of the present invention, the permanent torque control model described in it is
Refer to, during motor is moved from a certain settling position via unstable position to next settling position, electricity is detected according to position
The position control signal that road is provided turns on power driving circuit in starting position, gives stator electromagnet winding power, drives rotor
Rotation, when the position where the position control signal that circuit is provided is detected in in-position, i.e., next settling position closes power
Drive circuit, makes the quick afterflow of stator electromagnet winding, and when reaching next settling position, power driving circuit changes conducting side
To giving stator electromagnet winding reverse power supply, driving rotor continues to rotate, and the rest may be inferred by analogy.
The present invention eliminates ordinary tap magnetic resistance electricity on the basis of the peculiar advantage of ordinary tap reluctance motor institute is maintained
The intrinsic torque pulsation of machine, simultaneously because permanent-magnet material has been used, so that the power density of motor is significantly improved, and
The conversion efficiency of power input energy is improved, the target of energy-conservation is effectively realized.
The beneficial effect comprise that：
1st, the present invention realizes the inertia acting of permanent magnet, using the repeatable single-phase permanent type utilized of the input energy of the present invention
Switched reluctance machines are compared with conventional three-phase switch reluctance machine, in identical motor volume and identical electromagnetic parameter
In the case of, the power density of motor can be made to improve 3~5 times, and eliminate the intrinsic torque arteries and veins of ordinary tap reluctance motor
The big shortcoming of dynamic big, noise, remains all advantages of ordinary tap reluctance motor.
2nd, the way traffic or unidirectional operation of the achievable single-phase permanent type switched reluctance machines of the present invention.
3rd, the control program that the present invention is used has used energy stores（Conversion）Circuit, thus can make to be inputted by power supply
Energy is reused, therefore in the case where keeping identical motor characteristic, can reduce the input of power supply, so as to obtain good
Good energy-saving effect.
4th, motor of the invention have it is simple in construction, be easy to design and calculate, while being also convenient for modeling and simulation.
5th, control loop of the invention is simple in construction is easy to design and controls programming convenient, and the control mode can apply to
The motor of various power, it is possible to meet the demand of various speed regulating controls.
6th, motor of the invention is compared with Conventional permanent magnet motor, in the case of power output identical, it is possible to reduce iron
The consumption of core, coil copper cash and permanent magnet, with larger cost advantage.
7th, motor of the invention has compact conformation, lightweight and power expansion conveniently, thus has good power close
Degree and torque density.
8th, the more efficient of motor can be made using the electric motor and controller method of the present invention, and with preferably energy-conservation effect
Really.
9th, motor of the invention has low temperature rise, pulse free, the good characteristic that noise is small, reliability is higher.
10th, motor of the invention can flexibly select a variety of control programs, to meet permanent turn according to the situation of load
Square load or the different demands of constant power load, and obtain optimal control effect.
11st, motor of the invention can meet the demand of high power load, overcome conventional monophase machine and can be only applied to
The situation of low-power load.
Brief description of the drawings
Fig. 1 is sectional view of the front and rear sections stator with rotor corresponding matching of the present invention.
Fig. 2 is sectional view of the stage casing stator with rotor corresponding matching of the present invention.
Fig. 3 is the stator of the present invention and the deployed configuration schematic diagram of rotor.
Fig. 4 is the general structure and the distribution map of winding magnetic field of the stage casing stator and rotor of the present invention.
Fig. 5 is the general structure and the distribution map of winding magnetic field of the front and rear sections stator and rotor of the present invention.
Fig. 6 is the power driving circuit schematic diagram of the present invention.
Fig. 7 is the directional control circuit schematic diagram of the present invention.
Fig. 8 be the present invention power limitation control pattern in single tube afterflow when circuit waveform figure
Fig. 9 be the present invention power limitation control pattern in quick afterflow when circuit waveform figure
Figure 10 is the circuit waveform figure in the permanent torque control model of the present invention
Marked in figure：1 is stator, and 2 be rotor, and 3 be permanent magnet, and 4 be stator electromagnet winding, and 5 be accumulator, and C is energy storage electricity
Hold, L is stator winding, D is damper tube, and K1, K2 are the normally-closed contact of relay, and K3, K4 are the normally opened contact of relay.
Embodiment
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, it is right below in conjunction with drawings and Examples
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 Figure 1,2 and 3, it is a kind of can way traffic single-phase permanent type switched reluctance machines, it is including fixed
It is air gap between son 1, rotor 2, motor output shaft and control system, the salient pole of the stator 1 and rotor 2, the stator is adopted
Designed with three-stage radial magnetic field, rotor core uses unistage type salient pole core structure, the correspondence pass of the stator 1 and rotor 2
System is inner rotor core either outer-rotor structure, is provided with polarity detection circuit, position detecting circuit in the control system
And energy recovering circuit, with the demand of the startup and the operating control that meet motor, i.e., examined by polarity detection circuit and position
Slowdown monitoring circuit is judged initial position of rotor and running.
As shown in fig. 6, the control system is controlled using H bridges, which provided isolating diode D5, D6, the pole of afterflow two
Pipe D1~D4, two groups of bridge arm Q1, Q4 and Q3, Q2, is additionally provided with accumulator 5, is made up of in the present embodiment storage capacitor C.
As shown in fig. 7, being additionally provided with directional control circuit in control system, it is made up of, controls relay in the present embodiment
The on and off of relay processed can change the type of attachment of stage casing electromagnetism winding and front and rear sections electromagnetism winding, to meet motor fortune
Turn the demand of control.
In the present embodiment, the rotor 2 is fixedly sleeved in motor output shaft periphery, and the stator 1 is by leading portion stator iron
Core, stage casing stator core and back segment stator core composition, by being centrally disposed on the inside of the shell of motor, three sections of stator cores
Concave, convex number of poles and concave, convex pole width are equal, and concave, convex number of poles is even number, and the leading portion stator core, stage casing are fixed
Gap is left between identical length of sub- iron core and back segment stator core etc., three sections of stator cores, in the leading portion stator
Non-magnetizer is embedded between iron core, stage casing stator core and back segment stator core respectively, the leading portion stator core and back segment are determined
Salient pole position in sub- iron core is consistent, i.e., in two sections stator cores the center line of salient pole on the same line, the stage casing
The center line at the salient pole position in stator core and the center line of forward and backward two sections of stator core concaves pole coincide, it is described before
The salient pole position of section stator core, stage casing stator core and back segment stator core is mounted on stator electromagnet winding 4, fixed at each section
The electromagnetism winding installed on the salient pole of sub- iron core, be satisfied by for each section the electromagnetism winding installed on any adjacent salient pole its
Coiling is in opposite direction；Two lead-out wires of stator electromagnet winding are distinguished the connected mode of head, tail and connected on front and rear sections stator core
Connect, two output ends of the head of leading portion iron core electromagnetism winding and the whole electromagnetism winding of tail composition of back segment iron core electromagnetism winding, i.e.,
The mode that two lead-out wires of each stator electromagnet winding are connected with adjacent stator electromagnet winding head, tail respectively is connected, institute
State can connect between some stator electromagnet windings that the salient pole position of stator is installed, can be in parallel, can also go here and there and combine, leading portion stator
Stator on the tail and stage casing stator core of stator electromagnet winding on the head of stator electromagnet winding and back segment stator core on iron core
Head, the tail of electromagnetism winding are connected with the directional control circuit of set-up of control system respectively, the direction of the set-up of control system
Control circuit can change the head of stator electromagnet winding, tail end and the front and rear sections stator iron linked together on the stator core of stage casing
The closure of the head of stator electromagnet winding, tail end on core, can change the traffic direction of motor with this.
Wherein, the rotor 2 is made up of rotor core and permanent magnet 3, the total length and stator core of the rotor core
Total length it is equal, the number of salient poles of the rotor core is equal with the number of salient poles of either segment stator core, and stator core
On salient pole width be less than rotor core salient pole width, three sections, the rotor core before, during and after the rotor core is divided into
Before, during and after section it is corresponding with section before, during and after stator core respectively, it is embedding at the stage casing correspondence salient pole position of the rotor core
Equipped with permanent magnet 3, the magnetizing direction of the permanent magnet 3 for radially, front and rear sections correspondence salient pole position in the rotor core without
The polarity for the permanent magnet 3 that adjacent each salient pole is embedded in is different in permanent magnet, stage casing rotor core, the stage casing rotor core
The polarity of the corresponding front and rear sections rotor core of polarity is different, it is described before, during and after three-stage rotor iron core salient pole center
Line overlap, the rotor core be arranged on motor output shaft on, and with motor output shaft synchronous axial system.As shown in figure 3, working as stator
The magnetic field produced by electric current in electromagnetism winding is polarity chron as depicted, and the traffic direction of motor is rotate counterclockwise.
Using the motor of said structure, with magnetic circuit is short and each iron leg core between the association without magnetic, thus will not mutually do
Disturb, pulsation and the noise of torque can be effectively eliminated, therefore with conventional single-phase reluctance motor with difference substantially；Due to
Permanent magnet is disposed with rotor, the electromagnetism field interactions produced with stator core gives full play to the strong magnetic action of permanent magnet, profit
With the direct effect that the operating fields produced by natural magnetic energy and electromagnetic drive unit are mutual, mechanical driver unit is set to produce more
Good energy-saving effect, reduces the consumption to electric power with this, energy-saving and emission-reduction is contributed.
In the present embodiment, the control system can use power limitation control pattern or permanent torque control model motor
Rotation.
Wherein, described power limitation control pattern refers to, motor from a certain settling position via unstable position to next
During settling position is moved, the position control signal provided according to position detecting circuit makes power drive electricity in starting position
Road is turned on, and gives stator electromagnet winding power, and driving rotor rotation, when reaching unstable position, is closed power driving circuit, made
Rotor continues rotation under the collective effect of magnetomotive specific to motor and freewheel current, until next settling position is reached,
When reaching next settling position, power driving circuit changes conducting direction, gives stator electromagnet winding reverse power supply, drives rotor
Continue to rotate, the rest may be inferred by analogy.
Described permanent torque control model refers to that motor stablizes position via unstable position from a certain settling position to next
During putting motion, the position control signal provided according to position detecting circuit leads power driving circuit in starting position
It is logical, give stator electromagnet winding power, driving rotor rotation, where detecting the position control signal that circuit is provided when in-position
During position, i.e., next settling position closes power driving circuit, makes the quick afterflow of stator electromagnet winding, when the next stabilization of arrival
During position, power driving circuit changes conducting direction, gives stator electromagnet winding reverse power supply, and driving rotor continues to rotate, it is remaining this
Analogize.
The operation principle of the present embodiment is：It is assumed that condition：Settling position shown in Fig. 4 is 0 ° of initial position, motor
Another settling position is 60 ° of positions, and the centre position of two settling positions is unstable position.
Fig. 6 gives the drive control circuit of single-phase permanent type reluctance motor, and the circuit is H-bridge circuit.Stator winding
Be connected respectively with U, V end of circuit end to end, it is assumed that Q1, Q4 turn on when, stator winding produce magnetic field as shown in Figures 4 and 5, then
When Q3, Q2 are turned on, the magnetic field that stator winding is produced need to only exchange N, S polarity of stator salient poles.In 0 ° of initial position
Be provided with polarity detection circuit, the polarity of rotor during detecting initial determines the conducting direction of bridge, i.e., Q1, Q4 conducting or
It is Q3, Q2 conducting.And 0 ° position provided with position detect, for detect each settling position, unstable position signal, according to
The detection signal that position detecting circuit is provided can distinguish the location of rotor, can make two bridge walls according to this signal
Complete rotation work.
In Fig. 65 be energy recovery circuit, it is illustrated that energy recovery circuit using electric capacity C constitute, D5, D6 for isolate two
Pole pipe, to separate energy recovery circuit and electric power loop, wherein D5 can prevent the energy feedback that energy recovery circuit is stored
Power supply, and D6 then can prevent the electric current of power supply from pouring into energy recovery circuit.When any bridge arm is turned on, stored in electric capacity C
Energy will work together with power supply, the energy prestored is reused.D1~D4 in circuit constitute motor around
The continuous current circuit of group, when any bridge arm is turned off, by the electric capacity C of the energy stores in machine winding to energy recovery circuit.
（1）, power limitation control pattern：
As shown in Figures 4 and 5, in 0 ° of initial position, turn on bridge arm Q1, Q4 according to the signal of polarity detection circuit, at 0 °~30 °
Interval, maintain conducting until the center line of rotor with salient pole turns over 30 ° of position（I.e. unstable position）, when detection electric circuit inspection
To first photosignal rising edge when, now have two kinds of afterflow modes：
One kind is quick afterflow mode, i.e., simultaneously turn off Q1, Q4, and the energy stored in inductance L passes through V points → D3 → electric capacity C
Upper end → electric capacity C → electric capacity C lower end → D2 → U points constitute continuous current circuit, energy is quickly transferred in electric capacity C, herein
In the interval of 30 ° afterwards~60 °, the inertia motion of permanent magnet is only relied on, is reached by unstable position positioned at 60 ° of stable position
Put.Its circuit waveform is as shown in Figure 9.When detect electric circuit inspection to second photosignal rising edge when, then Q3, Q2 are led
Logical, 60 °~120 ° of interval hereafter, its control process is similar, repeats no more.
It is another, it is single tube afterflow mode, now, pipe Q1 in shut-off, down tube Q4 maintains the energy stored in conducting, inductance L
Amount constitutes voluntarily continuous current circuit by V points → down tube Q4 → D2 → U points, the energy stored in inductance L is progressively consumed, and herein
In the interval of 30 ° afterwards~60 °, by the magnetic field energy and the collective effect of the inertia motion of permanent magnet progressively decayed, by non-
Settling position reaches the settling position positioned at 60 °.Its circuit waveform is as shown in Figure 8.When detection electric circuit inspection to second photoelectricity
During the trailing edge of signal, close down tube Q4, when detect electric circuit inspection to second photosignal rising edge when, then by another bridge
Arm Q3, Q2 are turned on, and 60 °~120 ° of interval hereafter, its control process is similar, repeats no more.
（2）, permanent torque control model：
In this mode, as shown in Figures 4 and 5, in 0 ° of initial position, bridge arm Q1, Q4 are led according to the signal of polarity detection circuit
It is logical, in 0 °~60 ° of interval, conducting is maintained until the center line of rotor with salient pole turns over 60 ° of position（I.e. another settling position）,
When detect electric circuit inspection to second photosignal trailing edge when, i.e., Q1, Q4 are simultaneously turned off, the energy stored in inductance L
Continuous current circuit is constituted by V points → D3 → electric capacity C upper end → electric capacity C → electric capacity C lower end → D2 → U points, energy is quick
Be transferred in electric capacity C, and when detect electric circuit inspection to second photosignal rising edge when, then another bridge arm Q3, Q2 are led
Logical, 60 °~120 ° of interval hereafter, its control process is similar, repeats no more.Its circuit waveform is as shown in Figure 10.
It follows that can way traffic single-phase reversible permanent-magnet type reluctance motor the course of work in, due to the addition of
Effect of inertia produced by permanent magnet, therefore in the case of equal, the energy that motor of the invention is consumed can be dropped
It is low, and due to using the pattern of single-phase work, the electromagnetic unit that it works simultaneously is more than ordinary tap reluctance motor
Two times, in the same structure, its power density at least improves two times, and due to eliminating ordinary tap reluctance motor
Dead band, thus the intrinsic torque pulsation of ordinary tap reluctance motor can be eliminated, greatly reduce the noise of motor.This
Outside, during motor is operated in permanent torque pattern, two groups of electromagnetism windings are operated in a state for pushing away a drawing, thus can
To obtain smooth torque.
The present invention realizes the innovation of switched reluctance machines structure design, remains all excellent of ordinary tap reluctance motor
Point, the method by installing permanent magnet additional on the rotor of ordinary tap reluctance motor, has effectively eliminated switched reluctance machines
Torque pulsation and noise, make power density improve 3 times, compared with variable-frequency motor, reduce the usage amount of 50% permanent magnet,
The copper consumption of machine winding is reduced simultaneously, makes the more efficient of motor, and with more preferable energy-saving effect；Art invention is for single
The special construction of mutually reversible permanent-magnet type reluctance motor, innovation have developed the control system of the motor, make it have simple in construction, property
Energy is reliable, be easy to design and control programming convenient, and the control program can apply to the motor of various power, it is possible to meet respectively
Plant the demand of speed regulating control；Invention employ brand-new control program, creative has used energy conversion unit, can make by
Power supply institute input energy is reused, therefore in the case where keeping identical motor characteristic, can reduce the input of power supply, from
And obtain good energy-saving effect；The present invention single-phase reversible permanent-magnet type reluctance motor due to each phase winding of no conventional motor it
Between magnetic field association, thus negative torque will not be produced in external acting, the energy that its winding is inputted can obtain completely
Energy is changed, and conversion ratio is close to 1, and the energy conversion rate of conventional motor can only achieve about 0.5.
Embodiment 2：As shown in Figure 1,2 and 3, it is a kind of can unidirectional operation single-phase permanent type switched reluctance machines, it is including fixed
It is air gap between son 1, rotor 2, motor output shaft and control system, the salient pole of the stator 1 and rotor 2, the stator is adopted
Designed with three-stage radial magnetic field, rotor core uses unistage type salient pole core structure, the correspondence pass of the stator 1 and rotor 2
System is inner rotor core either outer-rotor structure, is provided with polarity detection circuit, position detecting circuit in the control system
And energy recovering circuit, with the demand of the startup and the operating control that meet motor, i.e., examined by polarity detection circuit and position
Slowdown monitoring circuit is judged initial position of rotor and running.
As shown in fig. 6, the control system is controlled using H bridges, which provided isolating diode D5, D6, the pole of afterflow two
Pipe D1~D4, two groups of bridge arm Q1, Q4 and Q3, Q2, is additionally provided with accumulator 5, is made up of in the present embodiment storage capacitor C.
In the present embodiment, the rotor 2 is fixedly sleeved in motor output shaft periphery, and the stator 1 is by leading portion stator iron
Core, stage casing stator core and back segment stator core composition, by being centrally disposed on the inside of the shell of motor, three sections of stator cores
Concave, convex number of poles and concave, convex pole width are equal, and concave, convex number of poles is even number, described as optimal structure design
Identical length of leading portion stator core and back segment stator core etc., and the length of the stage casing stator core is front and rear sections stator
Leave gap between twice of core length, three sections of stator cores, the leading portion stator core, stage casing stator core and
The salient pole position being embedded with respectively between back segment stator core in non-magnetizer, the leading portion stator core and back segment stator core is protected
Hold consistent, i.e., in two sections stator cores the center line of salient pole on the same line, the salient pole position in the stage casing stator core
Center line and the center line of forward and backward two sections of stator core concaves pole coincide, described leading portion stator core, stage casing stator iron
The salient pole position of core and back segment stator core is mounted on stator electromagnet winding 4, is installed on the salient pole of each section of stator core
Electromagnetism winding, electromagnetism winding its coiling for being satisfied by installing on any adjacent salient pole for each section is in opposite direction；Front and rear sections
Two lead-out wires of stator electromagnet winding are distinguished the connected mode of head, tail and connected on stator core, leading portion iron core electromagnetism winding
Head and the tail of back segment iron core electromagnetism winding constitute two output ends of whole electromagnetism winding, i.e., the two of each stator electromagnet winding
The mode that root lead-out wire is connected with adjacent stator electromagnet winding head, tail respectively is connected, and the salient pole position of the stator is installed
Some stator electromagnet windings between can connect, can be in parallel, can also go here and there and combine.
Wherein, the rotor 2 is made up of rotor core and permanent magnet 3, the length of the rotor core and three sections of stator iron
The installation length of core is equal, and the number of salient poles of the rotor core is equal with the number of salient poles of either segment stator core, and stator
Salient pole width on iron core is less than the salient pole width of rotor core, and permanent magnet is embedded with the corresponding salient pole position of the rotor 2
3, the magnetizing direction of the permanent magnet 3 is the radially polarity for the permanent magnet 3 that adjacent each salient pole is embedded in every section of rotor core
It is different, the rotor core be arranged on motor output shaft on, and with motor output shaft synchronous axial system.As shown in figure 3, when stator electricity
The magnetic field produced by electric current in magnetic winding is polarity chron as depicted, and the traffic direction of motor is rotate counterclockwise.
Other are substantially the same manner as Example 1.
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
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of single-phase permanent type switched reluctance machines, including stator（1）, rotor（2）, motor output shaft and control system,
The stator（1）And rotor（2）Salient pole between be air gap, the stator（1）And rotor（2）Corresponding relation be internal rotor
Structure either outer-rotor structure, the rotor（2）It is fixedly sleeved in motor output shaft periphery, it is characterised in that：The stator
（1）Be made up of leading portion stator core, stage casing stator core and back segment stator core, the concave, convex number of poles of three sections of stator cores and
Concave, convex pole width is equal, and concave, convex number of poles is even number, and gap, the leading portion are left between three sections of stator cores
Salient pole position in stator core and back segment stator core is consistent, i.e., the center line of salient pole is same in two sections stator cores
On straight line, the center line at the salient pole position in the stage casing stator core and the center line of forward and backward two sections of stator core concaves pole
Coincide, the salient pole position of described leading portion stator core, stage casing stator core and back segment stator core is mounted on stator electricity
Magnetic winding（4）；The rotor（2）By rotor core and permanent magnet（3）Composition, the number of salient poles and either segment of the rotor core
The number of salient poles of stator core is equal, and the salient pole width on stator core is less than the salient pole width of rotor core, the rotor
Iron core be divided into before, during and after three sections, be embedded with permanent magnet at the stage casing correspondence salient pole position of the rotor core（3）, the permanent magnetism
Body（3）Magnetizing direction for radially, the permanent magnet that adjacent each salient pole is embedded in the rotor core of stage casing（3）Polarity it is different,
The polarity of the corresponding front and rear sections rotor core of the polarity of the stage casing rotor core is different, it is described before, during and after three sections turn
The center line of the salient pole of sub- iron core is overlapped, and the rotor core is arranged on motor output shaft, and synchronous with motor output shaft turn
It is dynamic.
2. single-phase permanent type switched reluctance machines according to claim 1, it is characterised in that：The front and rear sections rotor iron
The corresponding salient pole position of core is without permanent magnet（3）.
3. single-phase permanent type switched reluctance machines according to claim 1, it is characterised in that：The leading portion stator core,
Identical length of stage casing stator core and back segment stator core etc., the total length of the rotor core and the total length of stator core
Equal, section is corresponding with section before, during and after stator core respectively before, during and after the rotor core, the stage casing rotor core
In the permanent magnet that is embedded in of corresponding salient pole position（3）With stage casing stator core corresponding matching.
4. single-phase permanent type switched reluctance machines according to claim 1, it is characterised in that：In the leading portion stator iron
Non-magnetizer is embedded with respectively between core, stage casing stator core and back segment stator core.
5. single-phase permanent type switched reluctance machines according to claim 1, it is characterised in that：In the convex of each section of stator core
The extremely upper electromagnetism winding installed, electromagnetism winding its coiling direction phase for being satisfied by installing on any adjacent salient pole for each section
Instead, and on each salient pole the mode that the equal head of electromagnetism winding, the tail installed are connected is connected.
6. single-phase permanent type switched reluctance machines according to claim 1, it is characterised in that：Set in the control system
Polarized detection circuit, position detecting circuit and energy recovering circuit.
7. single-phase permanent type switched reluctance machines as claimed in any of claims 1 to 6, it is characterised in that：It is forward and backward
Two lead-out wires of stator electromagnet winding are distinguished the connected mode of head, tail and connected on section stator core, on leading portion stator core
On the head and back segment stator core of stator electromagnet winding on the tail and stage casing stator core of stator electromagnet winding stator electromagnet around
Head, the tail of group are connected with the directional control circuit of set-up of control system respectively, the direction controlling electricity of the set-up of control system
Road can change determines on the stator core of stage casing on the head of stator electromagnet winding, tail end and the front and rear sections stator core linked together
The head of sub- electromagnetism winding, the closure of tail end, can change the traffic direction of motor with this.
8. a kind of control method of single-phase permanent type switched reluctance machines as claimed in any of claims 1 to 7 in one of claims, it is special
Levy and be：The control system can be rotated using power limitation control pattern or permanent torque control model motor.
9. the control method of single-phase permanent type switched reluctance machines according to claim 8, it is characterised in that：Described perseverance
Power control mode refers to, during motor is moved from a certain settling position via unstable position to next settling position,
The position control signal provided according to position detecting circuit turns on power driving circuit in starting position, gives stator electromagnet winding
Power supply, driving rotor rotation, when reaching unstable position, closes power driving circuit, makes rotor in magnetic specific to motor
Continue to rotate under the collective effect of power and freewheel current, until next settling position is reached, when reaching next settling position,
Power driving circuit changes conducting direction, gives stator electromagnet winding reverse power supply, and driving rotor continues to rotate, and the rest may be inferred by analogy.
10. the control method of single-phase permanent type switched reluctance machines according to claim 8, it is characterised in that：Described
Permanent torque control model refers to, the process that motor is moved from a certain settling position via unstable position to next settling position
In, the position control signal provided according to position detecting circuit turns on power driving circuit in starting position, to stator electromagnet
Winding power, driving rotor rotation is when the position where the position control signal that circuit is provided is detected in in-position, i.e., next
Settling position, closes power driving circuit, makes the quick afterflow of stator electromagnet winding, and when reaching next settling position, power drives
Dynamic circuit changes conducting direction, gives stator electromagnet winding reverse power supply, and driving rotor continues to rotate, and the rest may be inferred by analogy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378208.0A CN106972725B (en) | 2017-05-25 | 2017-05-25 | Single-phase permanent magnet type switch reluctance motor and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378208.0A CN106972725B (en) | 2017-05-25 | 2017-05-25 | Single-phase permanent magnet type switch reluctance motor and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106972725A true CN106972725A (en) | 2017-07-21 |
| CN106972725B CN106972725B (en) | 2023-09-12 |
Family
ID=59326628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710378208.0A Active CN106972725B (en) | 2017-05-25 | 2017-05-25 | Single-phase permanent magnet type switch reluctance motor and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106972725B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787385A (en) * | 2019-02-27 | 2019-05-21 | 长沙硕博电子科技股份有限公司 | Three-phase permanent switched reluctance machines |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008289300A (en) * | 2007-05-18 | 2008-11-27 | Toshiba Corp | Permanent-magnet rotary electric machine |
| CN102184809A (en) * | 2011-03-30 | 2011-09-14 | 戴珊珊 | Electric excitation permanent magnet switch, reluctance motor for electric excitation permanent magnet switch and electric excitation method |
| CN102857061A (en) * | 2011-06-27 | 2013-01-02 | 李贵祥 | Double-magnet-limb switched reluctance generator motor in multisection structure |
| CN202798216U (en) * | 2012-08-27 | 2013-03-13 | 杭州娃哈哈集团有限公司 | Hybrid rotor reluctance motor |
| US20140062379A1 (en) * | 2011-03-30 | 2014-03-06 | Shanshan Dai | Switched reluctance motors and excitation control methods for the same |
| CN103633806A (en) * | 2013-12-11 | 2014-03-12 | 哈尔滨工业大学 | Single-phase transverse flux full-control switched reluctance motor |
| CN105811602A (en) * | 2016-05-30 | 2016-07-27 | 上海鼎特电器有限公司 | Structure of motor iron core |
| CN106026572A (en) * | 2016-01-13 | 2016-10-12 | 淄博中聚磁电科技有限公司 | Multi-rotor, multi-stator and single-rotor and multi-stator switch reluctance motor structure |
| CN205792127U (en) * | 2016-05-19 | 2016-12-07 | 顾志强 | A kind of circumference axial backmixing cloth phase switch reluctance motor |
| CN106712431A (en) * | 2017-03-29 | 2017-05-24 | 上海鼎特电器有限公司 | Single-phase permanent magnet type switching reluctance motor and control method thereof |
| CN207166337U (en) * | 2017-05-25 | 2018-03-30 | 上海鼎特电器有限公司 | A kind of single-phase permanent type switched reluctance machines |
-
2017
- 2017-05-25 CN CN201710378208.0A patent/CN106972725B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008289300A (en) * | 2007-05-18 | 2008-11-27 | Toshiba Corp | Permanent-magnet rotary electric machine |
| CN102184809A (en) * | 2011-03-30 | 2011-09-14 | 戴珊珊 | Electric excitation permanent magnet switch, reluctance motor for electric excitation permanent magnet switch and electric excitation method |
| US20140062379A1 (en) * | 2011-03-30 | 2014-03-06 | Shanshan Dai | Switched reluctance motors and excitation control methods for the same |
| CN102857061A (en) * | 2011-06-27 | 2013-01-02 | 李贵祥 | Double-magnet-limb switched reluctance generator motor in multisection structure |
| CN202798216U (en) * | 2012-08-27 | 2013-03-13 | 杭州娃哈哈集团有限公司 | Hybrid rotor reluctance motor |
| CN103633806A (en) * | 2013-12-11 | 2014-03-12 | 哈尔滨工业大学 | Single-phase transverse flux full-control switched reluctance motor |
| CN106026572A (en) * | 2016-01-13 | 2016-10-12 | 淄博中聚磁电科技有限公司 | Multi-rotor, multi-stator and single-rotor and multi-stator switch reluctance motor structure |
| CN205792127U (en) * | 2016-05-19 | 2016-12-07 | 顾志强 | A kind of circumference axial backmixing cloth phase switch reluctance motor |
| CN105811602A (en) * | 2016-05-30 | 2016-07-27 | 上海鼎特电器有限公司 | Structure of motor iron core |
| CN106712431A (en) * | 2017-03-29 | 2017-05-24 | 上海鼎特电器有限公司 | Single-phase permanent magnet type switching reluctance motor and control method thereof |
| CN207166337U (en) * | 2017-05-25 | 2018-03-30 | 上海鼎特电器有限公司 | A kind of single-phase permanent type switched reluctance machines |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787385A (en) * | 2019-02-27 | 2019-05-21 | 长沙硕博电子科技股份有限公司 | Three-phase permanent switched reluctance machines |
| CN109787385B (en) * | 2019-02-27 | 2024-05-28 | 长沙硕博电子科技股份有限公司 | Three-phase permanent magnet switch reluctance motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106972725B (en) | 2023-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104242521B (en) | A kind of bimodulus motor generator | |
| CN201754571U (en) | Novel servo-system of switch reluctance motor | |
| US9647594B2 (en) | Flyback control mode-based controller and motor-controlling method thereof | |
| CN106341017A (en) | Disc type unit lamination coreless DC motor | |
| CN105634231B (en) | A kind of permanent-magnet type single-phase switch reluctance machine and its control method | |
| CN104638990B (en) | A kind of asymmetric exciting method of single coil multi-phase magnetic suspension switch reluctance generator | |
| CN103391034A (en) | Controller and method of disc-type coreless permanent magnet synchronous motor for electric automobile hub | |
| CN206595875U (en) | A kind of single-phase permanent type switched reluctance machines | |
| CN207166337U (en) | A kind of single-phase permanent type switched reluctance machines | |
| CN205178807U (en) | Short magnetic circuit sectional type switched reluctance motor of short tip and control circuit and system thereof | |
| CN108768113B (en) | Four-degree-of-freedom hybrid excitation starting/power generation integrated magnetic suspension switched reluctance motor | |
| CN106972725A (en) | A kind of single-phase permanent type switched reluctance machines and its control method | |
| CN106787547B (en) | Axial magnetic flux two-phase doubly salient permanent magnet motor | |
| CN201554658U (en) | Unidirectional pump | |
| CN106712431A (en) | Single-phase permanent magnet type switching reluctance motor and control method thereof | |
| CN105391263B (en) | A kind of short magnetic circuit sectional type switched reluctance machines of short end portion and its control circuit | |
| CN209217917U (en) | A kind of modularization automobile drive electric motor | |
| CN103475112A (en) | Switched reluctance generator | |
| CN204013313U (en) | A kind of double winding regeneration field switch reluctance motor | |
| CN106026586A (en) | Closed superimposed magnetic circuit switched reluctance DC motor | |
| CN205986569U (en) | Closed stack magnetic circuit switch reluctance dc motor | |
| CN209217916U (en) | A kind of multi-coil stacked switch reluctance motor | |
| CN103683570B (en) | A kind of motor and inverse-excitation type control method thereof and energy circular current control method | |
| CN107733192A (en) | A kind of more rail magnetos and its control method | |
| CN105914929A (en) | Dual-winding bearingless switched reluctance motor and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |