CN110535312A - A kind of high-strength mining large torque directly drives outer rotor motor synchronizing electric drum - Google Patents
A kind of high-strength mining large torque directly drives outer rotor motor synchronizing electric drum Download PDFInfo
- Publication number
- CN110535312A CN110535312A CN201910671925.1A CN201910671925A CN110535312A CN 110535312 A CN110535312 A CN 110535312A CN 201910671925 A CN201910671925 A CN 201910671925A CN 110535312 A CN110535312 A CN 110535312A
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- electric drum
- wall
- motor synchronizing
- 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
- 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
-
- 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
- H02K1/17—Stator cores with permanent magnets
-
- 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
- H02K1/246—Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/103—Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a kind of high-strength mining large torques directly to drive outer rotor motor synchronizing electric drum, including electric drum arbor and rotor body, the outer wall of the electric drum arbor is axially plugged with stator body, the radial outer wall of the stator body is equipped with several stator salient poles being evenly spaced on, each stator salient poles outer wall is wound with hard winding, the outer wall of the rotor body is axially socketed with electric drum, the inner wall of the rotor body is radially provided with several rotor with salient pole being evenly spaced on, the stator body is located at the inner cavity of rotor body, and each rotor with salient pole forms salient pole faying face between each stator salient poles respectively.The present invention is that a kind of high-strength mining large torque directly drives outer rotor motor synchronizing electric drum, and no setting is required retarder can be improved rotational efficienty, enhance reliability, carried soft function, in the service life with superior robustness and overlength, save production cost.
Description
Technical field
The present invention relates to mining large torques directly to drive outer rotor motor synchronizing electric drum correlative technology field, specially a kind of high
Strength mine large torque directly drives outer rotor motor synchronizing electric drum.
Background technique
Motor synchronizing direct driving motor system's double-salient-pole can be changed magnetic conductive motivation, the salient poles of stator and rotor by high magnetic conduction silicon steel
Piece is overrided to form；Rotor is wound with concentratred winding in stator poles, and in the adjacent centre of stator salient poles both without winding or without permanent magnet
Embedded with permanent magnets, the winding of same phase connects referred to as " phase "；
The peripheral wall of rotor is the silicon steel body with a thickness of 2mm of closure, and interior effigurate salient pole, rotor rotating
It is composed there are the gap of certain rule in stator winding energization magnetic field and stator permanent magnet between each salient pole in journey
High-intensity magnetic field drives field spider to generate biggish magnetic conductance torque under the variation of height magnetic conductance to keep rotor even in certain direction
Speed rotation；
Traditional motorized roller mostly uses greatly ordinary motor embedding structure, and power is passed to roller up by reduction gearbox,
This mode causes volume big, and retarder operation noise is big, difficult in maintenance, generates big calorimetric under the premise of lacking lubricating oil
Amount, abrasion quickening cause the service life to substantially reduce；It is all to use dc motor in the motorized roller technology that there is now, it is asynchronous
Motor or permanent magnet motor, since direct current generator is not suitable for using in mine there are brush and slip ring, starting asynchronous motor
Electric current is larger, and there are permanent magnets will appear demagnetization phenomenon under the action of vibration, temperature, time three elements for magneto, causes
Service life reduction；So devising a kind of high-strength mining large torque here directly drives outer rotor motor synchronizing electric drum, in order to solve
The above problem.
Summary of the invention
The purpose of the present invention is to provide a kind of high-strength mining large torques directly to drive outer rotor motor synchronizing electric drum, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of high-strength mining large torque directly drives outer rotor
The outer wall of motor synchronizing electric drum, including electric drum arbor and rotor body, the electric drum arbor is axially plugged with stator sheet
Body, the radial outer wall of the stator body are equipped with several stator salient poles being evenly spaced on, outside each stator salient poles
Wall is wound with hard winding, and the outer wall of the rotor body is axially socketed with electric drum, and the inner wall of the rotor body is radial
Equipped with the rotor with salient pole that several are evenly spaced on, the stator body is located at the inner cavity of rotor body, and each described turn
Sub- salient pole forms salient pole faying face between each stator salient poles respectively.
Preferably, the outer wall of the stator body is embedded with several pieces of permanent magnets being uniformly evenly spaced on, and permanent magnetism
Block is located at the inside of stator salient poles.
Preferably, if the rotor body uses dry plate silicon steel sheet successively to laminate one entirety of synthesis, and silicon steel sheet uses
High magnetic conduction it is ultrathin with a thickness of 0.21 silicon steel material.
Preferably, the wall thickness of the rotor body is 2mm.
Preferably, the gap between each rotor with salient pole and each stator salient poles is between 1-2.7mm.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention is that a kind of high-strength mining large torque directly drives outer rotor motor synchronizing electric drum, no setting is required retarder,
Rotational efficienty can be improved, enhanced reliability, improved overall efficiency, to make in the running power savings of equipment
It becomes apparent.
2. carry soft function invention increases starting torque, solve showing for when big load starts clamping stagnation
As in the service life with superior robustness and overlength, having saved production cost.
3. present invention reduces the temperature rises of complete machine, to improve the service life of electric drum.
4. the present invention enormously simplifies transmission chain, keep complete machine structure simple, it is easy to maintenance, to make failure rate significantly
It reduces.
Detailed description of the invention
Fig. 1 is main structure cross-sectional view of the present invention；
Fig. 2 is schematic enlarged-scale view at A in Fig. 1 of main body of the present invention.
In figure: 1, electric drum；2, rotor body；3, rotor with salient pole；4, stator salient poles；5, hard winding；6, permanent magnets；7,
Stator body；8, electric drum arbor.
Specific embodiment
The embodiment of the present application directly drives outer rotor motor synchronizing electric drum by providing a kind of high-strength mining large torque, solves
The problem of in the prior art proposition；It is clearly and completely retouched below in conjunction with the technical solution in the embodiment of the present invention
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
A kind of high-strength mining large torque is present embodiments provided referring to FIG. 1-2, directly drives the rolling of outer rotor motor synchronizing electricity
Cylinder, including electric drum arbor 8 and rotor body 2, the outer wall of electric drum arbor 8 are axially plugged with stator body 7, stator body 7
Radial outer wall be equipped with several stator salient poles 4 for being evenly spaced on, each 4 outer wall of stator salient poles is wound with hard winding
5, the outer wall of rotor body 2 is axially socketed with electric drum 1, and the inner wall of rotor body 2 is radially provided with several and is evenly spaced on
Rotor with salient pole 3, stator body 7 is located at the inner cavity of rotor body 2, and each rotor with salient pole 3 respectively with each stator salient poles 4
Between formed salient pole faying face.
Wherein, for the gap between each rotor with salient pole 3 and each stator salient poles 4 between 1-2.7mm, each rotor is convex
The custom design of Unequal distance is processed on surface between pole 3 and each stator salient poles 4, is on the one hand improved starting performance and is changed
To performance, electric efficiency is on the other hand improved, reduces torque pulsation and noise.
The outer wall of stator body 7 is embedded with several pieces of permanent magnets being uniformly evenly spaced on 6, and permanent magnets 6 are positioned at fixed
The inside of sub- salient pole 4 is installed in addition with permanent magnets 6 on the inside of stator salient poles 4, generates the intrinsic excitation field of auxiliary stator ontology 7, from
And bigger magnetic conductivity is synthesized, auxiliary stator magnet exciting coil is generated bigger torque by it, so that the power of the motorized roller is close
Degree further improves.
In the present embodiment, direct-driving electric roller 1 is the rotor body 2 that the roller used is exactly motor, and no setting is required subtracts
Fast device can realize the rotation of electric drum 1 using a fixed support shaft support electric drum arbor 8, can be improved in this way
Rotational efficienty, enhances reliability, extends service life, has saved production cost, and rotor body 2 is exactly the outer of roller
Circle, stator body 7 is exactly the bracket axis body of roller, and present invention preferably employs 48 poles and 24 poles with the principle of motor synchronizing magnetic conductance
The multiple tooth pole structure of combination, and it is processed on the shape and structure of tooth pole the custom design of Unequal distance, so that motor is contributed
Greatly, soft function is carried, the service life with superior robustness and overlength, the rotary body and rotor of electric drum 1 is fastened on one
It rises, constitutes rotor body 2, when rotor body 2 is rotated along axis, mutually generated between each rotor with salient pole 3 with stator salient poles 4
Large change magnetic conductance produce the magnetic pull of strength, rotor body 2 and stator body 7 can be made under the control of control switch
Corner be in motor synchronizing state, to continuously run, i.e. common work of the rotor body 2 in stator excitation winding and permanent magnets 6
Produce the magnetic conductance of mutation under, and then produce the magnetic pull to rotor, that is, on adjacent stators salient pole 4 it is hard around
Group 5 is two phase windings, and the hard winding 5 of forming is embedded in stator salient poles 4, to strengthen the whole strong mechanical of stator body 7
Intensity reduces the temperature rise of complete machine, and after hard winding 5 is powered, two stator salient poles 4 attract hithermost two rotor with salient pole 3,
Rotor with salient pole 3 drives rotor body 2 and stator body 7 to do opposite motor synchronizing campaign, in addition, the present invention is more using stator and rotor
The structure of tooth can be used neuronal fuzzy control strategy and make overall efficiency to reduce the torque pulsation rate of rotor low speed
Maximum, the robustness, adaptive ability and control precision that can effectively improve system also simplify to realize efficiently control
Transmission chain, keeps complete machine structure simple, easy to maintenance, so that failure rate be made to be greatly lowered.
Embodiment two
It is further improved on the basis of embodiment 1 referring to FIG. 1-2:
If rotor body 2 uses dry plate silicon steel sheet successively to laminate one entirety of synthesis, and silicon steel sheet is using the super of high magnetic conduction
It is slim with a thickness of 0.21 silicon steel material, so that main screw lift is greatly lowered.
The wall thickness of rotor body 2 is that 2mm closes 2 surface of rotor body to make rotor generate lesser wind frictional resistance
The outer ring for synthesizing shape 2mm thickness, but also 2 intensity of rotor body is higher.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Either positional relationship is orientation based on the figure or positional relationship, is merely for convenience of the description present invention and simplification is retouched
State, rather than indicate or imply that signified device or element must have a particular orientation, with specific orientation construction and
Operation, therefore be not considered as limiting the invention.In addition, " first ", " second ", " third ", " the 4th " are only used for retouching
Purpose is stated, and should not be understood as indicating or implying relative importance.
In description of the invention, it is also necessary to explanation unless otherwise specific regulation and limits, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
It connects to body, can be mechanical connection, be also possible to be electrically connected, can be and be directly connected to, be also possible to through intermediary phase
Even, it can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of high-strength mining large torque directly drives outer rotor motor synchronizing electric drum, including electric drum arbor (8) and rotor body
(2), it is characterised in that: the outer wall of the electric drum arbor (8) is axially plugged with stator body (7), the stator body (7)
Radial outer wall is equipped with several stator salient poles (4) being evenly spaced on, and each stator salient poles (4) outer wall is wound with firmly
The outer wall of winding (5), the rotor body (2) is axially socketed with electric drum (1), and the inner wall of the rotor body (2) is radially set
The rotor with salient pole (3) for having several to be evenly spaced on, the stator body (7) are located at the inner cavity of rotor body (2), and each
The rotor with salient pole (3) forms salient pole faying face between each stator salient poles (4) respectively.
2. a kind of high-strength mining large torque according to claim 1 directly drives outer rotor motor synchronizing electric drum, feature exists
In: the outer wall of the stator body (7) is embedded with several pieces of permanent magnets being uniformly evenly spaced on (6), and permanent magnets (6) position
In the inside of stator salient poles (4).
3. a kind of high-strength mining large torque according to claim 1 directly drives outer rotor motor synchronizing electric drum, feature exists
In: the rotor body (2) is if use dry plate silicon steel sheet successively to laminate one entirety of synthesis, and silicon steel sheet is using the super of high magnetic conduction
It is slim with a thickness of 0.21 silicon steel material.
4. a kind of high-strength mining large torque according to claim 1 directly drives outer rotor motor synchronizing electric drum, feature exists
In: the wall thickness of the rotor body (2) is 2mm.
5. a kind of high-strength mining large torque according to claim 1 directly drives outer rotor motor synchronizing electric drum, feature exists
In: the gap between each rotor with salient pole (3) and each stator salient poles (4) is between 1-2.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671925.1A CN110535312B (en) | 2019-07-24 | 2019-07-24 | High-strength mining large-torque direct-drive outer rotor self-synchronizing electric roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671925.1A CN110535312B (en) | 2019-07-24 | 2019-07-24 | High-strength mining large-torque direct-drive outer rotor self-synchronizing electric roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110535312A true CN110535312A (en) | 2019-12-03 |
| CN110535312B CN110535312B (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910671925.1A Active CN110535312B (en) | 2019-07-24 | 2019-07-24 | High-strength mining large-torque direct-drive outer rotor self-synchronizing electric roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110535312B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375228A1 (en) * | 1988-12-22 | 1990-06-27 | General Electric Company | Electronically commutated motor and stationary assembly therefor with teeth faces having notches and having a skew between the slots and the permanent magnet field to reduce cogging |
| JP2003047181A (en) * | 2001-07-26 | 2003-02-14 | Mitsumi Electric Co Ltd | Brushless motor |
| CN101071962A (en) * | 1999-06-29 | 2007-11-14 | 三洋电机株式会社 | Brushless DC motor and refrigerant compressor employing the motor |
| CN203504377U (en) * | 2013-08-28 | 2014-03-26 | 日立电梯电机（广州）有限公司 | Outer rotor permanent magnetic synchronous magnetic resistance type traction driving device |
| CN104065182A (en) * | 2014-03-28 | 2014-09-24 | 湖北立锐机电有限公司 | Split type iron core of motor stator, motor stator and rotating motor using same |
| CN204057003U (en) * | 2014-09-05 | 2014-12-31 | 河北天择重型机械有限公司 | Flame-proof mine direct drive permanent magnetic synchronous electric cylinder |
| CN105576856A (en) * | 2014-10-10 | 2016-05-11 | 河南汇德电气有限公司 | Outer rotor doubly-salient permanent-magnetic wheel hub motor for electric cars |
| CN207460047U (en) * | 2017-11-19 | 2018-06-05 | 三峡大学 | A kind of switched reluctance machines |
-
2019
- 2019-07-24 CN CN201910671925.1A patent/CN110535312B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375228A1 (en) * | 1988-12-22 | 1990-06-27 | General Electric Company | Electronically commutated motor and stationary assembly therefor with teeth faces having notches and having a skew between the slots and the permanent magnet field to reduce cogging |
| CN101071962A (en) * | 1999-06-29 | 2007-11-14 | 三洋电机株式会社 | Brushless DC motor and refrigerant compressor employing the motor |
| JP2003047181A (en) * | 2001-07-26 | 2003-02-14 | Mitsumi Electric Co Ltd | Brushless motor |
| CN203504377U (en) * | 2013-08-28 | 2014-03-26 | 日立电梯电机（广州）有限公司 | Outer rotor permanent magnetic synchronous magnetic resistance type traction driving device |
| CN104065182A (en) * | 2014-03-28 | 2014-09-24 | 湖北立锐机电有限公司 | Split type iron core of motor stator, motor stator and rotating motor using same |
| CN204057003U (en) * | 2014-09-05 | 2014-12-31 | 河北天择重型机械有限公司 | Flame-proof mine direct drive permanent magnetic synchronous electric cylinder |
| CN105576856A (en) * | 2014-10-10 | 2016-05-11 | 河南汇德电气有限公司 | Outer rotor doubly-salient permanent-magnetic wheel hub motor for electric cars |
| CN207460047U (en) * | 2017-11-19 | 2018-06-05 | 三峡大学 | A kind of switched reluctance machines |
Non-Patent Citations (1)
| Title |
|---|
| 白晖宇等: "电机不平衡磁拉力研究现状与展望", 《噪声与振动控制》 * |
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| Publication number | Publication date |
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| CN110535312B (en) | 2022-02-18 |
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