CN107093947A - Switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection - Google Patents
Switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection Download PDFInfo
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- CN107093947A CN107093947A CN201710392499.9A CN201710392499A CN107093947A CN 107093947 A CN107093947 A CN 107093947A CN 201710392499 A CN201710392499 A CN 201710392499A CN 107093947 A CN107093947 A CN 107093947A
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- stator
- mover
- motor
- winding
- linear motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- 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
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- 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 provides a kind of switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection, to improve the less problem of Conventional switched reluctance linear electric motors power output.The motor of the present invention mainly includes motor base, three phase promoters, mover movement frame, stator stand, stator and stator winding；Wherein, three phase promoters are securely fitted on mover movement frame, and stator is fixedly connected by two stator stands with motor base so that certain space is left between stator and motor base, and stator winding is placed in each stator teeth groove in the space.When motor works, while exciting current is passed through for certain phase promoter winding, for the stator winding electrifying in the relative stator teeth groove of the mover, ensure that the flow direction that the stator winding being powered is produced is consistent with the flow direction that the mover winding is produced, so as to improve the power output of switched relutance linear motor, motor volume utilization rate is improved, and the reliability and stability of motor work are improved.
Description
Technical field
The invention belongs to technical field of motors, a kind of switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection is referred specifically to.
Background technology
Switched reluctance machines are a hot research field in current motor research, the existing big portion of switched reluctance machines
It is divided into electric rotating machine, by being powered successively to stator excitation winding, winding exciting current is one direction electric current, stator poles and rotor
Pole interaction produces square.The significantly difference of this motor and magneto is exactly not have permanent magnetism in motor body structure
Body, electromechanics structure is very simple in addition, and core work part is only made up of iron core and winding, belongs to double-salient-pole structure electricity
Machine, to a certain extent this structure can reduce the installation complexity of motor.Further, since not having permanent magnet, just
Without considering the demagnetization effects and temperature characterisitic of permanent magnet, as long as in the range of winding can be born, armature can be improved as far as possible
Exciting current, to improve the output performance of motor, and the simple structure of motor determines that this kind of motor can be controlled effectively
The cost of motor, highly develops and applies.The mechanical structure of switched relutance linear motor is simple, main working parts
Only winding and stator mover iron core composition, install and safeguard more convenient, in addition with preferable speed adjusting performance, whole
Higher efficiency is can guarantee that in speed adjustable range, with very high reliability.But current switched relutance linear motor development is still
The problem of facing a lot, is limited to the working method of motor, and the volume utilization of switched relutance linear motor is very low, in addition, by
In the certain physical characteristics of motor, such as the temperature characterisitic of winding, the permeance of iron core etc., cause the power output of motor to be compared
Advantage is had no in magneto, therefore the two problems are also the problem of researching and solving required for switched relutance linear motor.
Switched relutance linear motor is generally slab construction, and one kind is unilateral switched relutance linear motor, simple in construction；Separately
One kind is bilateral switched relutance linear motor, and structure is more complicated, but can effectively eliminate radial load.But two kinds of motors is defeated
Go out thrust all little, output force density is restricted.
The content of the invention
The problem of power output of the invention for the presence of current switched relutance linear motor is not high, volume utilization is low, carries
A kind of switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection has been supplied, has been by convert rotational motion without link gear by one kind
Linear motion, while linear motion is realized, effectively improves the power output of motor, improves motor volume utilization rate, and improve
The less problem of Conventional switched reluctance linear electric motors power output.
The switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection that the present invention is provided, mainly including motor base, A, B, C tri-
Phase promoter, mover movement frame, stator stand, stator and stator winding.
The center of the mover movement frame is provided with mover neck, and the A, B, the phase promoters of C tri- are arranged on mover neck
In and be fixedly connected with mover movement frame.The two ends of the bottom of the stator are each provided with a stator stand, and it is fixed that stator passes through
Sub- stand is fixed with motor base, and stator stand is located between stator and motor base, makes to leave between stator and motor base
A stator winding is placed in space, each stator teeth groove in the space.The left and right sides on the motor base is fixed
Have on two guide rails, each guide rail and two sliding blocks are fixed with by slip draw-in groove.Hole is provided with the mover movement frame and fixes company
Connect the sliding block.
When motor works, while exciting current is passed through for certain phase promoter winding, for determining for the mover relative position
Stator winding electrifying in sub- teeth groove, it is ensured that the magnetic flux that the flow direction that the stator winding of energization is produced is produced with the mover winding
Direction is consistent.Motor is sequentially A, B, the stator winding electrifying in the stator teeth groove of C phase promoters and opposite position, produces and continues
Motion.
Advantages of the present invention is with good effect：
(1) there is winding coil in each teeth groove of the stator of motor of the present invention, when mover winding order is powered, by right
The stator winding electrifying of relevant position, can improve the power output of switched relutance linear motor, improve motor volume utilization rate, together
When, the reliability and stability of motor work are improved.
(2) each mover of motor of the present invention is fixed using four mover fixed mounts, and each mover fixed mount passes through
Mover fixed mount connecting hole is secured to, and respectively there is a through hole on mover movement frame both sides, motion parts is mitigated quality,
Material is saved, on the other hand makes mover movement frame structure more stable.Connected between Stator and electrical machine base by two stator stands,
And stator and stator fixed mount are fixed by four stator fixed mounts with motor base, Stator and electrical machine base is left enough
Space used for stator winding.This stator structure is simply consolidated.
Brief description of the drawings
Fig. 1 is the overall structure diagram of many Exciting Windings for Transverse Differential Protection switched relutance linear motors of the present invention；
Fig. 2 is the mover movement frame structure chart of the present invention；
Fig. 3 is the mover fixed rack structure figure of the present invention；
Fig. 4 is the stator fixed mount structure chart of the present invention；
Fig. 5 is mover core structure figure of the invention；
Fig. 6 is the overall profile of motor of the invention；
In figure：
1- motor bases；2- guide rails；3- stator stands；4- mover movement frames；5-A phase promoters；6-B phase promoters；7-C phases are moved
Son；8-A phase coils；9-B phase coils；10-C phase coils；11- stator winding；12- stators；13- stator fixed mounts；14- sliding blocks；
15- mover fixed mounts；16- left slider connecting holes；Sliding block connecting hole on the right side of 17-；Mover movement frame connecting hole on the left of 18-；19-
Right side mover movement frame connecting hole；20- mover necks；Mover fixed mount connecting hole under 21-；The upper mover fixed mount connecting holes of 22-；
23- the first stator fixed mount connecting holes；24- the second stator fixed mount connecting holes；The stator fixed mount connecting holes of 25- the 3rd；26-
One stator connecting hole；27- the second stator connecting holes.
Embodiment
Below in conjunction with drawings and examples, the present invention is described in further detail.
Switched relutance linear motor proposed by the present invention based on many Exciting Windings for Transverse Differential Protection, can effectively improve the output of motor
Power, reaches raising motor volume utilization rate, and then improve the force density of motor and the purpose of power density.
As shown in figure 1, many Exciting Windings for Transverse Differential Protection switched relutance linear motors of the present invention, including：It is motor base 1, guide rail 2, fixed
It is sub- stand 3, mover movement frame 4, A phase promoters 5, B phase promoters 6, C phase promoters 7, A phase coils 8, B phase coils 9, C phase coils 10, fixed
Sub- winding 11, motor stator 12, stator fixed mount 13, sliding block 14 and mover fixed mount 15.
As shown in Fig. 2 being provided with some sliding block connecting holes 16,17, some mover movement frame connecting holes on mover movement frame 4
18,19, and mover neck 20.Mover neck 20 is opened in the center on mover movement frame 4,16,17 points of sliding block connecting hole
Not Wei Yu mover neck 20 the left and right sides, mover movement frame connecting hole 18,19 respectively be located at mover neck 20 the left and right sides.
In addition, being also symmetrically provided with a through hole in the both sides of the mover neck 20 of mover movement frame 4.As shown in figure 3, in mover fixed mount
Mover fixed mount connecting hole 21,22 is provided with 15.As shown in figure 4, being provided with stator fixed mount connecting hole in stator fixed mount 13
23,24,25.As shown in figure 5, being provided with stator connecting hole 26,27 on the iron core of mover 5,6,7.
Motor movement mechanical part, A phase coils 8, B phase coils 9, C phase coils 10 are respectively fitted over A phase promoters 5, B phase promoters
6th, the framework top of C phase promoters 7.A phase promoters 5 are fixed on mover movement frame 4 by four mover fixed mounts 15, wherein A phases
Mover 5 makes it be fixed with mover fixed mount 15 by upper mover fixed mount connecting hole 22 and the first stator connecting hole 26, Mei Gedong
Sub- fixed mount 15 is fixed on mover movement frame 4 by lower mover fixed mount connecting hole 21 and mover movement frame connecting hole 18,19.
B phase promoters 6 are fixed on mover movement frame 4 by four mover fixed mounts 15, and wherein B phase promoters 6 pass through upper mover fixed mount
Connecting hole 22 makes it be fixed with mover fixed mount 15, and each mover fixed mount 15 consolidates it by lower mover fixed mount connecting hole 21
It is scheduled on mover movement frame 4.C phase promoters 7 are fixed by four mover fixed mounts 15 and mover movement frame 4, wherein C phase promoters 5
It is set to be fixed with mover fixed mount 15 by upper mover fixed mount connecting hole 22, each mover fixed mount 15 is fixed by lower mover
Frame connecting hole 21 makes it be fixed on mover movement frame 4.The phase promoter 5,6,7 of A, B, C tri- is separately fixed in mover neck 20, extremely
This, is completed, three phase promoters are all fixed on mover movement frame 4 per phase promoter part.
The mover motion parts that three phase promoters 5,6,7 are constituted with mover movement frame 4 pass through four sliding blocks 14 and stationary part
With reference to.The two ends of the bottom of stator 12 are each provided with a stator stand 3, and stator 12 is fixed on motor base 1 and stator stand 3
On, wherein stator 12 is fixed by stator fixed mount connecting hole 24 with stator fixed mount 13, and stator stand 3 passes through stator fixed mount
Connecting hole 25 is fixed with stator fixed mount 13, and stator fixed mount 13 is fixed by stator fixed mount connecting hole 23 with motor base 1,
The length of stator 12 can be expanded to two ends according to actual needs.Stator stand 3 can be such that stator 12 is separated with motor base 1 so that
Certain space is left between stator 12 and motor base 1, in this space, stator winding is placed in each stator teeth groove
11.Two guide rails 2 are separately fixed at the both sides of motor base 1, and four sliding blocks 14 are consolidated by the slip draw-in groove of two guide rails in left and right
It is scheduled on two guide rails 2, mover movement frame 4 is fixed on four sliding blocks 14 by 16 sliding block connecting holes 16,17.So far,
The sliding mechanical part of motor is completed with mover moving component.
Existing switched relutance linear motor, which only has in A, B, C three-phase mover coil, stator teeth groove, does not have winding coil, because
Space for the phase promoter groove of motor three is limited, can around coil turn be restricted, so produce magnetic flux it is also limited, cause this
Plant motor power output smaller.The present invention many Exciting Windings for Transverse Differential Protection switched relutance linear motors introduced in each stator slot stator around
Group coil, the introduction of stator slot coil can fully utilize originally vacant stator slot space, solve existing switch
The problem of magnetic resistance linear electric motors volume utilization is low, winding coil in stator slot, which is powered, when motor works can substantially play increasing
The effect of strong closed-loop path magnetic flux, so motor thrust may be significantly lifting, so as to improve existing switching magnetic-resistance straight-line electric
The less shortcoming of machine thrust.
Illustrate the operation principle of motor of the present invention below.
Many field switch magnetic resistance linear electric motors equally follow magnetic flux and always as one kind of switched relutance linear motor
The principle closed along the minimum paths of magnetic resistance, it is in regular tap magnetic that motor proposed by the invention, which is searched to the bottom,
Hinder on the basis of linear electric motors, introduce stator winding, fully used the useful space on motor stator, and then reach raising electricity
The purpose of machine power output.
Fig. 6 is the overall profile of motor of the present invention, illustrates that motor realizes that reciprocating work is former with reference to Fig. 6
Reason, wherein A, B, C corresponding As, B, C phase promoter windings, a, b, c, d, e, f is stator teeth groove winding coil, and dotted line works for motor
When magnetic flux closed path.In figure 6, B phase promoters winding is passed through exciting current, while entering to a, b and c winding in stator teeth groove
Row is powered, as long as ensureing the magnetic that the flow direction that three stator teeth groove coils energizations are produced is produced with B phase promoters Exciting Windings for Transverse Differential Protection
Logical direction is consistent, with regard to that can play a part of strengthening closed path magnetic flux, so as to effectively improve motor thrust.
Motor produces the process of persistent movement：As shown in position in Fig. 6, a, b, c winding are powered in B phases stator and stator slot
Afterwards, magnetic loop is formed, in order to ensure that magnetic flux is passed through along the minimum path of magnetic resistance, mover motion parts will be by the right
The thrust of (shown in Fig. 6), when the thrust overcomes the frictional force of mover motion parts and guide rail, the motion that will be produced to the right becomes
Gesture, be powered successively conducting C phase promoters winding coil and d, e, f winding coil, A phase promoters winding coil in stator slot with it is corresponding
Stator embedded coil, mover motion parts will produce the motion continued to the right (shown in Fig. 6).Same Fig. 6 position, if most
First flux closure loop is that the energization of d, e and f winding is produced in C phase promoters winding and stator teeth groove, then in order to ensure
Magnetic flux is passed through along the minimum path of magnetic resistance, and mover will produce thrust to the left (shown in Fig. 6), and then order conducting A phases are moved
Subcoil and corresponding stator slot coil, the corresponding stator slot coil of B phase and phases, it is possible to produce and continue becoming to left movement
Gesture.
Claims (8)
1. a kind of switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection, it is characterised in that including motor base, A, B, C three-phases
Mover, mover movement frame, stator stand, stator and stator winding；
The center of the mover movement frame is provided with mover neck, and the A, B, the phase promoters of C tri- are arranged in mover neck simultaneously
It is fixedly connected with mover movement frame；The two ends of the bottom of the stator are each provided with a stator stand, and stator passes through stator platform
Frame is fixed with motor base, and stator stand is located between stator and motor base, makes to leave space between stator and motor base,
A stator winding is placed in each stator teeth groove in the space；The left and right sides on the motor base is fixed with two
Two sliding blocks are fixed with by slip draw-in groove on guide rail, each guide rail；Be provided with the mover movement frame hole be fixedly connected it is described
Sliding block；
When motor works, while exciting current is passed through for certain phase promoter winding, for the stator tooth of the mover relative position
Stator winding electrifying in groove, it is ensured that the magnetic flux that the flow direction that the stator winding electrifying of energization is produced is produced with the mover winding
Direction is consistent.
2. switched relutance linear motor according to claim 1, it is characterised in that in mover on described mover movement frame
The both sides of neck are symmetrically provided with a through hole.
3. switched relutance linear motor according to claim 1 or 2, it is characterised in that the phase promoter of described A, B, C tri-
Coil is respectively fitted over the framework top of each mover, and A, B, C phase promoters are fixed on mover movement frame by mover fixed mount.
4. switched relutance linear motor according to claim 3, it is characterised in that described mover fixed mount, mover
The connecting hole for being provided with assembling is all corresponded on iron core and mover movement frame, is fixedly connected with coordinating.
5. switched relutance linear motor according to claim 1, it is characterised in that described stator passes through stator fixed mount
Fixed with motor base, stator stand.
6. switched relutance linear motor according to claim 5, it is characterised in that be provided with use in described stator fixed mount
In the connecting hole of connecting stator, stator fixed mount and motor base.
7. switched relutance linear motor according to claim 1 or 5, it is characterised in that the length of described stator according to
Need to expand to two ends.
8. switched relutance linear motor according to claim 1, it is characterised in that described motor, is sequentially A, B, C phases
Stator winding electrifying in the stator teeth groove of mover and opposite position, produces persistent movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392499.9A CN107093947A (en) | 2017-05-27 | 2017-05-27 | Switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392499.9A CN107093947A (en) | 2017-05-27 | 2017-05-27 | Switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection |
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| Publication Number | Publication Date |
|---|---|
| CN107093947A true CN107093947A (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710392499.9A Pending CN107093947A (en) | 2017-05-27 | 2017-05-27 | Switched relutance linear motor based on many Exciting Windings for Transverse Differential Protection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311533A (en) * | 2019-07-15 | 2019-10-08 | 华中科技大学 | A kind of modularization transverse magnetic flux vernier permanent-magnetism linear motor |
| CN111206841A (en) * | 2020-01-10 | 2020-05-29 | 南京航空航天大学 | Bilateral short primary linear motor direct-drive type subway door machine |
| WO2022047967A1 (en) * | 2020-09-01 | 2022-03-10 | 瑞声声学科技(深圳)有限公司 | Linear electric motor |
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| DE3041940A1 (en) * | 1980-11-06 | 1982-06-09 | Krauss-Maffei AG, 8000 München | Magnetic suspension vehicle support, drive and current transmission - has support magnetic core of several core sections with groove-free pole surfaces and linear generator core between two core sections |
| US4578622A (en) * | 1982-10-26 | 1986-03-25 | Shinko Electric Co., Ltd. | Linear pulse motor |
| CN103095095A (en) * | 2012-12-20 | 2013-05-08 | 深圳大学 | Asymmetric double-sided linear switch reluctance motor |
| CN104052238A (en) * | 2014-06-12 | 2014-09-17 | 江苏大学 | Bilateral primary permanent magnetic vernier linear motor |
| CN104811001A (en) * | 2015-04-14 | 2015-07-29 | 鲁东大学 | Flux-switching transverse flux permanent magnet linear motor |
| CN105006931A (en) * | 2015-07-24 | 2015-10-28 | 太原理工大学 | Permanent-magnet switched-reluctance linear motor |
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2017
- 2017-05-27 CN CN201710392499.9A patent/CN107093947A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3041940A1 (en) * | 1980-11-06 | 1982-06-09 | Krauss-Maffei AG, 8000 München | Magnetic suspension vehicle support, drive and current transmission - has support magnetic core of several core sections with groove-free pole surfaces and linear generator core between two core sections |
| US4578622A (en) * | 1982-10-26 | 1986-03-25 | Shinko Electric Co., Ltd. | Linear pulse motor |
| CN103095095A (en) * | 2012-12-20 | 2013-05-08 | 深圳大学 | Asymmetric double-sided linear switch reluctance motor |
| CN104052238A (en) * | 2014-06-12 | 2014-09-17 | 江苏大学 | Bilateral primary permanent magnetic vernier linear motor |
| CN104811001A (en) * | 2015-04-14 | 2015-07-29 | 鲁东大学 | Flux-switching transverse flux permanent magnet linear motor |
| CN105006931A (en) * | 2015-07-24 | 2015-10-28 | 太原理工大学 | Permanent-magnet switched-reluctance linear motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311533A (en) * | 2019-07-15 | 2019-10-08 | 华中科技大学 | A kind of modularization transverse magnetic flux vernier permanent-magnetism linear motor |
| CN110311533B (en) * | 2019-07-15 | 2020-08-14 | 华中科技大学 | Modular transverse flux vernier permanent magnet linear motor |
| CN111206841A (en) * | 2020-01-10 | 2020-05-29 | 南京航空航天大学 | Bilateral short primary linear motor direct-drive type subway door machine |
| WO2022047967A1 (en) * | 2020-09-01 | 2022-03-10 | 瑞声声学科技(深圳)有限公司 | Linear electric motor |
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Application publication date: 20170825 |
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