CN107947522A - Cylindrical double-salient-pole permanent magnet linear motor - Google Patents
Cylindrical double-salient-pole permanent magnet linear motor Download PDFInfo
- Publication number
- CN107947522A CN107947522A CN201711339475.3A CN201711339475A CN107947522A CN 107947522 A CN107947522 A CN 107947522A CN 201711339475 A CN201711339475 A CN 201711339475A CN 107947522 A CN107947522 A CN 107947522A
- Authority
- CN
- China
- Prior art keywords
- annular
- salient
- stator
- width
- permanent magnet
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 15
- 230000005291 magnetic effect Effects 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a cylindrical double-salient permanent magnet linear motor, which aims to solve the technical problems that: the motor system aims at the defects that the structure is too complex and the energy consumption is large in the prior art. The technical scheme is as follows: a cylindrical double-salient-pole permanent magnet linear motor comprises a rotor iron core, a stator iron core A, a stator iron core B, an armature winding A, an armature winding B and an annular permanent magnet. According to the permanent magnet linear motor, the permanent magnet is adopted to establish the excitation magnetic field, so that the copper consumption of the motor can be reduced, and the efficiency of the motor is improved; the homopolar structure is adopted, and the motor has lower iron loss; simple structure, assembly flexibility is high, and the trouble maintenance number of times is few, and work safe and reliable has very high life.
Description
Technical field
The present invention relates to a kind of motor, is specifically a kind of drum type brake bisalient-pole permanent-magnet linear motor, belongs to motor technology neck
Domain.
Background technology
Cylindrical linear is a kind of New Type Linear Motor, is improved based on generic linear electric machine structure.Directly
The most basic and most typical structure of line motor is flat structure, which is most widely used, but its edge effect is obvious, end
Portion's winding waste of materials simultaneously increases resistance loss and end leakage reactance, causes electric efficiency low.Compared to flat linear motor,
Justify flow-through linear motor using coaxial coil composition machine winding, be embedded in stator slot, there is no End winding, improves winding
Utilization rate, while eliminate transverse edge effect.In addition, the stress born on linear motor bearing is also minimized, simplify
Motor manufacturing technology, reduces manufacture cost.
Double salient-pole electric machine is a kind of motor for the new structure being suggested the 1950s, into the nineties after obtain people
Extensive concern and further investigation, it has the advantages that firm, easily manufactured, reliable operation simple in structure, easy to maintain,
Wind-power electricity generation occasion has good application prospect.
Double salient-pole electric machine belongs to variable reluctance motor, and variable reluctance motor includes two kinds of unilateral salient pole and bilateral salient pole, in order to obtain
Maximum magnetic resistance maxima and minima ratio, and preferably energy converting between mechanical characteristic are obtained, double salient-pole electric machine, which receives, to be ground
Study carefully the more pro-gazes of personnel.Typical variable reluctance motor being differed using magnetic resistance, magnetic flux always into the small Route Set of magnetic resistance, as
During electric motor operation, the stator winding of energization attracts ferromagnetic rotor with magnetic force, magnetic force is produced tangential component, i.e. generation pair
The torque of rotor.The power-up sequence of stator according to corresponding to the rotor-position that position sensor detects most beneficial for rotor
That phase stator for producing rotational torque forward is powered, and rotor is turned after turning over certain angle by next produced most beneficial for rotor
One phase of square is powered.Control system constantly changes the energization phase sequence of stator winding, rotor is persistently rotated to a direction.
Drum type brake bisalient-pole permanent-magnet linear motor is a kind of form of drum type brake linear motor, its operation logic and double-salient-pole
Magneto operation logic is consistent.It combines the advantages of both of drum type brake linear motor and doubly salient permanent magnet motor,
Its structural advantage receives the concern of more and more people.
The content of the invention
The technical problems to be solved by the invention are：Electric system generally existing at present mentioned in the background art
The shortcomings that structure is excessively complicated, itself energy consumption is big.
The purpose of the present invention is to propose to one kind to have high efficiency, high power density and simple in structure, novel drum type brake pair
Salient pole permanent-magnetism linear motor.
In order to solve the above technical problems, the present invention adopts the technical scheme that：
A kind of drum type brake bisalient-pole permanent-magnet linear motor, includes the mover iron core of cylindrical shape, in the appearance of mover iron core
The in axial direction equally spaced mover salient pole that annular is set on face, between the width of mover salient pole and two neighboring mover salient pole
Interval width it is equal；
Stator core A, annular permanent magnet and stator core B are arranged vertically in mover core exterior surface, and annular is forever
For magnet between stator core A and stator core B, stator core A, annular permanent magnet and stator core B three's outside diameter are homogeneous
Together；
Evagination sets two annular stator salient poles A, two annular stator salient poles A on the inner surface of stator core A
First gap is set between mover salient pole；The ring for being used for installing armature winding A is set between two annular stator salient poles A
First teeth groove of shape；The width of stator salient poles A of the width of first teeth groove equal to twice；
Evagination sets two annular stator salient poles B, two annular stator salient poles B on the inner surface of stator core B
Second gap is set between mover salient pole, and the second gap is equal with the spacing in the first gap；Two annular stator salient poles B
Between set and be used to the second annular teeth groove of armature winding B be installed, the width of the second teeth groove is equal to the width of the first teeth groove；
The width of the width of stator salient poles A, the width of stator salient poles B and mover salient pole is equal；
It is embedded in advance around the annular armature winding A made in the first teeth groove, advance coiling is embedded in the second teeth groove
Good annular armature winding B；
The magnetizing direction of annular permanent magnet is axial charging.
What is referred in technical solution of the present invention is advance around the annular armature winding A made, and in advance around the ring made
The armature winding B of shape, it is described here it is advance around the annular armature winding A and the process of armature winding B that make be existing
There is the common process method in technology, the specific process present invention is not described in detail.
Beneficial effect
The beneficial effect of the present invention compared with prior art：
1st, drum type brake bisalient-pole permanent-magnet linear motor of the present invention, excitation field is established using permanent magnet, can reduce motor copper
Consumption, improves electric efficiency.
2nd, drum type brake bisalient-pole permanent-magnet linear motor of the present invention, using same polarity structure, motor has relatively low iron loss.
3rd, drum type brake bisalient-pole permanent-magnet linear motor of the present invention, simple in structure, assembling flexibility is high, breakdown maintenance number
It is few, it is safe and reliable, there is very high service life.
Brief description of the drawings
Fig. 1 is the three-dimensional structure half-section diagram of motor of the present invention.
Fig. 2 is the two-dimensional structure profile of motor of the present invention.
Embodiment
To make present disclosure more obvious understandable, done further below in conjunction with attached drawing 1- Fig. 2 and embodiment
Description.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As illustrated in fig. 1 and 2, the drum type brake bisalient-pole permanent-magnet linear motor of the present embodiment, includes the mover iron of cylindrical shape
Core 1, the in axial direction equally spaced mover salient pole 1-1, mover salient pole 1-1 that annular is set on the outer surface of mover iron core 1
Width it is equal with the interval width between two neighboring mover salient pole 1-1；
Stator core A2, annular permanent magnet 6 and stator core B3, ring are arranged vertically on 1 outer surface of mover iron core
Shape permanent magnet 6 is between stator core A2 and stator core B3, stator core A2, annular permanent magnet 6 and stator core B3 tri-
Person's outside diameter all same；
Evagination sets two annular stator salient poles A2-1, two annular salient stators on the inner surface of stator core A2
Pole A2-1 sets the first gap 7 between mover salient pole 1-1；Set between two annular stator salient poles A2-1 and be used to install
The first annular teeth groove of armature winding A4；The width of stator salient poles A2-1 of the width of first teeth groove equal to twice；
Evagination sets two annular stator salient poles B3-1, two annular salient stators on the inner surface of stator core B3
Pole B3-1 sets the second gap 8 between mover salient pole 1-1, and the second gap 8 is equal with the spacing in the first gap 7；Two rings
The the second annular teeth groove for being used for installing armature winding B5 is set between the stator salient poles B3-1 of shape, and the width of the second teeth groove is equal to
The width of first teeth groove；
The width of the width of stator salient poles A2-1, the width of stator salient poles B3-1 and mover salient pole 1-1 is equal；
It is embedded in advance around the annular armature winding A4 made in the first teeth groove, advance coiling is embedded in the second teeth groove
Good annular armature winding B5；
The magnetizing direction of annular permanent magnet 6 is axial charging.
In the drum type brake bisalient-pole permanent-magnet linear motor of the present embodiment, the annular permanent magnet 6 of axial charging is embedded in stator iron
Between core A2 and stator core B3, excitation field is provided for motor.Armature winding A4 is nested in the first teeth groove of stator core A2
Between, armature winding B5 is nested between the second teeth groove of stator core B3, and motor connects power load, motor when doing generator operation
Power supply is connect when doing electric operation；Whole motor amounts to two phase windings.
The operation principle of permanent-magnetism linear motor of the present invention：
When the present invention is as generator operation, prime mover drives mover iron core 1 to do reciprocal linear motion, due to mover iron
The presence of mover salient pole 1-1 on core 1, mover iron core 1 can cause the magnetic flux size of armature winding A, armature winding B when moving
Change, so that electromotive force is induced in armature winding A, armature winding B, size and the mover iron of induced electromotive force
The speed that core 1 moves is related.
When the present invention is as motor running, according to 1 present position of mover iron core, by armature winding A, armature winding B
Electric current forward or backwards is passed through in two phase windings formed, you can produce torque, the phase of biphase current differs 90 °.
Part that the present invention does not relate to is communicated with the prior art or realized using the prior art.
What is be not specifically noted in all description of the invention is the prior art or can be realized by existing technology,
It should be appreciated that for those of ordinary skills, can according to the above description be improved or be converted, and it is all this
A little modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (1)
- A kind of 1. drum type brake bisalient-pole permanent-magnet linear motor, it is characterised in that：Mover iron core (1) including cylindrical shape, dynamic The in axial direction equally spaced mover salient pole (1-1) that annular is set on the outer surface of sub- iron core (1), mover salient pole (1-1) Interval width between width and two neighboring mover salient pole (1-1) is equal；Stator core A (2), annular permanent magnet (6) and stator core B are arranged vertically on mover iron core (1) outer surface (3), annular permanent magnet (6) is located between stator core A (2) and stator core B (3), stator core A (2), annular permanent magnet (6) and stator core B (3) three's outside diameter all same；Evagination sets two annular stator salient poles A (2-1), two annular salient stators on the inner surface of stator core A (2) Pole A (2-1) sets the first gap (7) between mover salient pole (1-1)；Set between two annular stator salient poles A (2-1) For installing the first annular teeth groove of armature winding A (4)；Stator salient poles A (2-1) of the width of first teeth groove equal to twice Width；Evagination sets two annular stator salient poles B (3-1), two annular salient stators on the inner surface of stator core B (3) Pole B (3-1) sets the second gap (8), the spacing phase of the second gap (8) and the first gap (7) between mover salient pole (1-1) Deng；Annular second teeth groove of the setting for installing armature winding B (5) between two annular stator salient poles B (3-1), second The width of teeth groove is equal to the width of the first teeth groove；The width of the width of stator salient poles A (2-1), the width of stator salient poles B (3-1) and mover salient pole (1-1) is equal；It is embedded in advance around the annular armature winding A (4) made in the first teeth groove, is embedded in advance in the second teeth groove around making Annular armature winding B (5)；The magnetizing direction of annular permanent magnet (6) is axial charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339475.3A CN107947522A (en) | 2017-12-14 | 2017-12-14 | Cylindrical double-salient-pole permanent magnet linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339475.3A CN107947522A (en) | 2017-12-14 | 2017-12-14 | Cylindrical double-salient-pole permanent magnet linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107947522A true CN107947522A (en) | 2018-04-20 |
Family
ID=61944094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711339475.3A Pending CN107947522A (en) | 2017-12-14 | 2017-12-14 | Cylindrical double-salient-pole permanent magnet linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107947522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391120A (en) * | 2018-11-13 | 2019-02-26 | 南京工业大学 | Cylindrical electro-magnetic doubly salient linear motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201975280U (en) * | 2011-04-20 | 2011-09-14 | 东南大学 | Operation mechanism of linear permanent magnet motor |
| 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 |
| CN203537200U (en) * | 2013-09-27 | 2014-04-09 | 江苏大学 | Double-stator cylindrical linear motor of magnetic circuit series-connection type |
| CN105656228A (en) * | 2016-01-25 | 2016-06-08 | 江苏大学 | Transverse flux permanent magnet motor |
| CN207638540U (en) * | 2017-12-14 | 2018-07-20 | 南京工业大学 | Cylindrical double-salient-pole permanent magnet linear motor |
-
2017
- 2017-12-14 CN CN201711339475.3A patent/CN107947522A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201975280U (en) * | 2011-04-20 | 2011-09-14 | 东南大学 | Operation mechanism of linear permanent magnet motor |
| CN203537200U (en) * | 2013-09-27 | 2014-04-09 | 江苏大学 | Double-stator cylindrical linear motor of magnetic circuit series-connection type |
| CN105656228A (en) * | 2016-01-25 | 2016-06-08 | 江苏大学 | Transverse flux permanent magnet motor |
| CN207638540U (en) * | 2017-12-14 | 2018-07-20 | 南京工业大学 | Cylindrical double-salient-pole permanent magnet linear motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391120A (en) * | 2018-11-13 | 2019-02-26 | 南京工业大学 | Cylindrical electro-magnetic doubly salient linear motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109217597B (en) | Composite excitation amorphous alloy axial flux motor | |
| CN109274240B (en) | Composite amorphous alloy axial flux motor | |
| CN106655688B (en) | A kind of reluctance motor that edge effect offsets each other | |
| CN109274234B (en) | Composite excitation amorphous alloy axial reluctance motor | |
| CN109995211B (en) | Stator homopolar hybrid permanent magnet memory motor | |
| CN105245073A (en) | Stator permanent-magnetic doubly salient disc-type motor | |
| CN103762758A (en) | Rotor magnet-gathering type horizontal magnetic-flow permanent-magnet disc wind driven generator | |
| CN102035333A (en) | Permanent magnet switched reluctance motor employing distributed winding | |
| CN103825380B (en) | A kind of Low gullet torque flux switch permanent magnet motor | |
| CN101834476A (en) | Permanent magnet generator inner rotor using Halback magnetic array | |
| CN104993629B (en) | A kind of Wound-rotor type linear brushless double-fed generator | |
| CN104967271B (en) | The passive rotor transverse magnetic flux monophase machine of Crossed Circle winding | |
| CN103607059A (en) | Stator poly magnetic type magnetic flux switching transverse magnetic flux permanent magnet wind power generator | |
| CN103683771A (en) | Like pole type inductor motor hiding salient pole | |
| CN106341016B (en) | A kind of disc type double cross chain focused transverse magnetic field motor | |
| CN103248189A (en) | Bipolar stator-surface-mounting type permanent magnet motor | |
| CN110838779B (en) | Mixed excitation wound rotor and mixed excitation wound synchronous motor | |
| CN217882984U (en) | Magnetic flux reverse transverse flux permanent magnet motor | |
| CN103915961B (en) | Axial magnetic flux doubly salient permanent magnet generator | |
| CN207638540U (en) | Cylindrical double-salient-pole permanent magnet linear motor | |
| CN106787547B (en) | Axial magnetic flux two-phase doubly salient permanent magnet motor | |
| CN204465161U (en) | A kind of single-phase transverse flux machine | |
| CN110957822B (en) | Birotor magnetic flux switches aerogenerator and power generation system | |
| CN108063532A (en) | Double-stator structure two-phase doubly salient permanent magnet motor | |
| CN103312061B (en) | Switch magnetic chain motor with concealed salient pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
|
| RJ01 | Rejection of invention patent application after publication |