CN108683317A - A kind of hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole - Google Patents
A kind of hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole Download PDFInfo
- Publication number
- CN108683317A CN108683317A CN201810492983.3A CN201810492983A CN108683317A CN 108683317 A CN108683317 A CN 108683317A CN 201810492983 A CN201810492983 A CN 201810492983A CN 108683317 A CN108683317 A CN 108683317A
- Authority
- CN
- China
- Prior art keywords
- conducting bar
- permanent magnet
- rotor core
- salient pole
- synchronous motor
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor
-
- 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
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of conducting bar salient pole hybrid elevator permanent magnet synchronous motors, including engine base, the base inner is set to stator core, the engine base both ends are both provided with end cap, stator core is internally provided with rotor core, the side of rotor core is provided with mounting groove, and permanent magnet is provided in mounting groove；The conducting bar salient pole hybrid elevator permanent magnet synchronous motor of the present invention, the working method of rotating excitation field is cut using cage-shaped structure conducting bar, solve the problems, such as that elevator can not start, the surface-type structure pasted using fluting ensures to greatly reduce the problem of permanent magnet falls off while heat dissipation, using the permanent magnet of tiles, reduce difficulty of processing, it is cost-effective, reduce installation requirement, moreover it is possible to give full play to the performance of permanent magnet.Circular trough is selected, both can guarantee has suitably every magnetic magnetic bridge, and flute profile processing technology is easy, while it is excessive to also avoid magnetic leakage factor.
Description
Technical field
The present invention relates to magneto technical fields, specifically provide a kind of hybrid-type elevator permanent-magnetic of conducting bar-salient pole
Synchronous motor.
Background technology
Since 20th century, Chinese society productivity greatly improves, and natural resources but gradually decreases, and the equipment of highly energy-consuming is herein
When just seem outdated.Statistics indicate that power consumption total amount half in China's concentrates on motor this block, compared to highly energy-consuming
Sight has been focused on power factor height, small, weight by the asynchronous motor of traditional deceleration mechanism, people more and more
The permanent magnet synchronous motor of the advantages such as light.
Motor is the essential part of elevator, and the evolution of lift motor is improved, can be reacted to a certain extent
The development of entire electric motors.The later stage eighties in last century, permasyn morot just gradually subtract instead of carrying
The asynchronous motor of fast case, this draws note such as fresh blood for dragging for elevator.Compared with conventional asynchronous, elevator is with forever
Magnetic-synchro motor have many advantages, such as safe and reliable, small, noise is low, high efficiency, safeguard simple and energy saving, low consumption,
It is increasingly becoming the emphasis and developing direction of global associated companies and related scientific research unit research.
Research of the west America and Europe for magneto just has begun decades ago early in good.And China is successively being spun
It knits, the research of the related fields permanent magnet motor such as machinery also achieves the achievement to attract people's attention and continuously develops a series of high sexual valences
The permasyn morot of ratio is national economic development, resource-effective to be made that incomparable huge contribution.
It is also to concentrate on structure design and magnetic Circuit Design to probe into present situation in the world mainly.Structure design is mainly reflected in rotor
Topology layout on, the main of research and inquirement at present is exactly the following two major classes structure of opinion, one:It is internally embedded formula PM rotor knot
Structure, the structure is based on radial arrangement magnet structure, also arranged tangential permanent magnet machine and mixed-arrangement magnet structure,
, there are following features in the characteristics of radial arrangement structure：
(1) permanent magnet is in inside iron core, and when work generates a large amount of heat, is easy major injury rotor, is suitable for cold
Cold situation.
(2) permanent magnet is in inside silicon steel, and secure context is safer, but is also faced with the difficulty of installation and maintenance.
Arranged tangential structure has following features：
(1) identical as radial arrangement structure, since permanent magnet goes out in inside, do not allow easy heat radiation yet
(2) two permanent magnet like pole interactions of this kind of structure can go into a public magnetic region, which forms
Air gap flux density it is extremely complex, compare and be difficult to calculate
(3) difficult to install, it needs to use special tool, to install, to be also easy that flies out
Second major class is surface mount class formation, and this design feature has the following：
(1) radial arrangement so that such PM rotor structure directly in against air gap, can be easier to cool down, gas
The high of gap magnetic density
(2) this structure cannot be merely so that electric motor starting, needs permanent magnet being arranged to axial at a clamp in shaft
Increases processing cost to a certain extent at angle
(3) it because permanent magnet is in rotor surface, is easy installation and repair is replaced, but be also easy to fly out, to alite paste
It is required that high
It can be seen that still there is prodigious research space in permasyn morot field.
Therefore, how the permanent magnet synchronous motor in market is improved, it is made to overcome disadvantages mentioned above, be people in the art
Member's problem urgently to be resolved hurrily.
Invention content
The purpose of the present invention is to provide a kind of hybrid-type elevator permanent-magnetic synchronous motors of conducting bar-salient pole, to solve
The problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of conducting bar-salient pole hybrid elevator permanent magnet synchronous motor, including engine base, the base inner are set to stator
Iron core, the engine base both ends are both provided with end cap, and stator core is internally provided with rotor core, and the side of rotor core is provided with
Mounting groove is provided with permanent magnet in mounting groove, is provided with copper ring in the middle part of the rotor core, the rotor core is axially provided with
Round slot, is provided with conducting bar in round slot, and conducting bar connects copper ring, and the rotor core is provided centrally with shaft, shaft with
End cap is connected by self-aligning roller bearing；Permasyn morot generates starting torque using rotor bar or rotor windings,
The rotor slot of all squirrel-cage can be used in self-starting permasyn motor, because rotor slot has been substantially action
With, there is stronger skin-effect, while in view of saving copper product and providing sufficient space for the permanent magnet trough in rotor,
Designed motor do not have it is more demanding pull in ability when, circular trough may be selected.Theoretically, self-starting permanent magnet
Synchronous motor can use the rotor slot shape of any type induction machine, however if designed rotor selects surface
Adhesive type magnetic structure, and the size of slot shape of rotor will ensure smaller, ensure that conducting bar and stator rotary magnetic being capable of fields with this
Interaction, then circular trough just not only can guarantee have suitably every magnetic magnetic bridge in such cases, but also flute profile processing can be made easier,
It is excessive to also avoid magnetic leakage factor simultaneously.So the flute profile of this secondary design is circular trough.
As improvement：The rotor core is provided with sealing ring in the side close to self-aligning roller bearing.
As being further improved：The quantity of the mounting groove is a, and the shape for the permanent magnet being arranged in mounting groove is watt
Shape.
As being further improved：The quantity of the conducting bar is root, and conducting bar described in root is circumferentially set around the axle center of rotor core
It sets, the conducting bar connect to form cage-shaped structure with copper ring；In this way when power supply once opening, mouse cage can cut rotating excitation field, from
And rotatable parts is driven to rotate, solve the problems, such as that motor can not start；In addition, though what is taken is surface-type structure, but by
In permanent magnet it is pasted onto in the slot that silicon steel periphery is opened, the permanent magnet problem of falling off greatly reduces；Permanent magnetism shape uses
Simple tiles structure, rather than the structure that forms an angle with shaft centerline, it is such to design the difficulty for greatly reducing processing
Degree, has saved cost, has reduced Yongan reload request, moreover it is possible to more fully play the performance of permanent magnet.
As being further improved：The material of the engine base is grey cast-iron；Engine base is that the appearance mechanism of a mechanism is played
Internal structure is protected, is provided accordingly precisely for inner body, therefore the design of engine base is just necessarily required to have stronger
The requirement of strength and stiffness, dimensional accuracy and finish also must be up to standard.
Compared with the prior art, the advantages of the present invention are as follows：Conducting bar-salient pole hybrid elevator permanent-magnet synchronous of the present invention
Motor is cut the working method of rotating excitation field using cage-shaped structure conducting bar, solves the problems, such as that elevator can not start, using fluting
The surface-type structure of stickup ensures to greatly reduce the problem of permanent magnet falls off while heat dissipation, using the permanent magnet of tiles, drop
Low difficulty of processing, it is cost-effective, reduce installation requirement, moreover it is possible to give full play to the performance of permanent magnet.Circular trough is selected, can both be protected
Card has suitably every magnetic magnetic bridge, and flute profile processing technology is easy, while it is excessive to also avoid magnetic leakage factor.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail：
Fig. 1 is the structural schematic diagram of the hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole；
Fig. 2 is the structure left view of the hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole；
Fig. 3 is the vertical view of the hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole.
In figure：1- shaft 2- engine base 3- end cap 4- conducting bar 5- stator core 6- rotor core 7- sealing ring 8- tune
Heart roller bearing 9- permanent magnet 10- copper rings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of conducting bar-salient pole hybrid elevator permanent magnet synchronous motor, packet
Engine base 2 is included, is set to stator core 5 inside the engine base 2,2 both ends of the engine base are both provided with end cap 3, inside stator core 5
It is provided with rotor core 6, the side of rotor core 6 is provided with mounting groove, and permanent magnet 9, the rotor iron are provided in mounting groove
6 middle part of the heart is provided with copper ring 10, and the rotor core 6 is axial to be provided with round slot, and conducting bar 4 is provided in round slot, is led
Item 4 connects copper ring 10, and the rotor core 6 is provided centrally with shaft 1, and shaft 1 is connect with end cap 3 by self-aligning roller bearing 8；
The rotor slot for placing conducting bar 4 selects circular trough, which makes device have stronger skin-effect, and can save copper material
Material, while being also convenient for processing.Circular trough, which can guarantee, to be had suitably every magnetic magnetic bridge, and flute profile processing can be made easier, simultaneously
It is excessive to also avoid magnetic leakage factor.
The rotor core 6 is being provided with sealing ring 7 close to the side of self-aligning roller bearing 8,
The quantity of the mounting groove is 6, and the shape for the permanent magnet 9 being arranged in mounting groove is tiles；The cloth of permanent magnet 9
The mode of setting chooses the surface-type of fluting, and the problem of falling off greatly reduces and conducive to heat dissipation, and permanent magnet 9 uses simple tiles structure,
Reduce difficulty of processing, reduce cost, moreover it is possible to the more preferable performance for playing permanent magnet 9.The mouse that 54 conducting bars 4 are formed with copper ring 10
Basket structure solves the problems, such as that motor can not start.
The quantity of the conducting bar 4 is 54, and 54 conducting bars 4 are circumferentially arranged around the axle center of rotor core 6, described to lead
Item 4 connect to form cage-shaped structure with copper ring 10.
The material of the engine base 2 is grey cast-iron；2 material selection grey cast-iron of engine base, meet needed for higher rigidity and
Intensity, the in addition requirement of the dimensional accuracy and finish of engine base 2 also must be up to standard, and end cap 3 is the part coordinated with engine base 2, and two
Person has certain general character in certain design aspects.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of conducting bar-salient pole hybrid elevator permanent magnet synchronous motor, including engine base (2), the engine base (2) is internal to be set to
Stator core (5), engine base (2) both ends are both provided with end cap (3), and stator core (5) is internally provided with rotor core (6),
The side of rotor core (6) is provided with mounting groove, and permanent magnet (9) is provided in mounting groove, is arranged in the middle part of the rotor core (6)
There are copper ring (10), the rotor core (6) to be axially provided with round slot, conducting bar (4), conducting bar (4) are provided in round slot
Copper ring (10) is connected, the rotor core (6) is provided centrally with shaft (1), and shaft (1) passes through aligning roller axis with end cap (3)
Hold (8) connection.
2. the hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole according to claim 1, it is characterised in that：Institute
It states rotor core (6) and the side close to self-aligning roller bearing (8) is provided with sealing ring (7).
3. the hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole according to claim 1, it is characterised in that：Institute
The quantity for stating mounting groove is that (6) are a, and the shape for the permanent magnet (9) being arranged in mounting groove is tiles.
4. the hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole according to claim 1, it is characterised in that：Institute
The quantity of conducting bar (4) is stated as (54) root, conducting bar (4) is circumferentially arranged around the axle center of rotor core (6) described in (54) root, described to lead
Item (4) connect to form cage-shaped structure with copper ring (10).
5. the hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole according to claim 1, it is characterised in that：Institute
The material for stating engine base (2) is grey cast-iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492983.3A CN108683317A (en) | 2018-05-22 | 2018-05-22 | A kind of hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492983.3A CN108683317A (en) | 2018-05-22 | 2018-05-22 | A kind of hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108683317A true CN108683317A (en) | 2018-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810492983.3A Pending CN108683317A (en) | 2018-05-22 | 2018-05-22 | A kind of hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole |
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| Country | Link |
|---|---|
| CN (1) | CN108683317A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1375908A (en) * | 2002-04-29 | 2002-10-23 | 杜平 | Triphase AC synchronous permanent-magnet motor and generator |
| CN203014625U (en) * | 2012-12-24 | 2013-06-19 | 刘光明 | Frequency control three-phase AC permanent-magnet synchronous motor |
| CN105322743A (en) * | 2014-05-27 | 2016-02-10 | 高大田 | Special efficient motor for oilfields |
-
2018
- 2018-05-22 CN CN201810492983.3A patent/CN108683317A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1375908A (en) * | 2002-04-29 | 2002-10-23 | 杜平 | Triphase AC synchronous permanent-magnet motor and generator |
| CN203014625U (en) * | 2012-12-24 | 2013-06-19 | 刘光明 | Frequency control three-phase AC permanent-magnet synchronous motor |
| CN105322743A (en) * | 2014-05-27 | 2016-02-10 | 高大田 | Special efficient motor for oilfields |
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