CN102570657A - Permanent magnet direct current motor rotor and permanent magnet direct current motor - Google Patents
Permanent magnet direct current motor rotor and permanent magnet direct current motor Download PDFInfo
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- CN102570657A CN102570657A CN2011104357349A CN201110435734A CN102570657A CN 102570657 A CN102570657 A CN 102570657A CN 2011104357349 A CN2011104357349 A CN 2011104357349A CN 201110435734 A CN201110435734 A CN 201110435734A CN 102570657 A CN102570657 A CN 102570657A
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Abstract
The invention discloses a permanent magnet direct current motor rotor and a permanent magnet direct current motor. The permanent magnet direct current motor rotor comprises an armature core, an armature winding and a commutator. The armature bus slot number Z is 6, the armature winding has 6 winding components, and the winding components are a concentrated winding, and the first pitch y1 of the concentrated winding is 1. The permanent magnet direct current motor rotor adopts the concentrated winding to replace a distribution winding, thereby being capable of improving production efficiency of permanent magnet direct current motor manufacture and reducing manual cost and material cost.
Description
[technical field]
The present invention relates to DC motor, relate in particular to a kind of permanent magnet direct current motor rotor and permanent magnet direct current motor.
[background technology]
The permanent magnet direct current motor that existing electric food manufacture field uses all is conventional the two poles of the earth permanent magnet direct current motor usually; Armature winding all adopts the folded distributed winding of conventional list.When motor energising after-current flows into armature winding 5 through carbon brush 3, commutator 4; When armature winding had electric current to flow through, rotor 1 received stator permanent magnet 2 electromagnetic force and rotates.There is following shortcoming in existing the two poles of the earth permanent magnet direct current motor:
1. permanent magnet direct current motor its closed main magnetic circuit length in the two poles of the earth is longer, so its main magnetic circuit magnetic resistance is relatively large.
2. the two poles of the earth permanent magnet direct current motor armature winding pitch is bigger, causes that the armature winding termination section is longer; Cause the big and armature winding enamelled wire consumption increase of armature winding resistance; Cause and make the required enamelled wire material cost increase of motor.
3. the two poles of the earth permanent magnet direct current motor rotor core groove number is more, all need insert in every groove to add the slot liner material; Therefore the slot liner material usage is bigger, and slot insulating material required time is longer; Cause manufacturing required cost of labor of motor and material cost higher.
4. the more and armature winding of the two poles of the earth permanent magnet direct current motor rotor core groove number all adopts single folded distributed winding, whenever after rotor core behind one group of coil will be rotated an angle, can organize coil around next; So the rotor winding required time is longer, rotor winding station efficient is low, causes and produces the increase of motor cost of labor.
[summary of the invention]
The technical problem that the present invention will solve provide a kind of armature winding enamelled wire and the insulating material consumption less, the lower-cost permanent magnet direct current motor rotor of manufacture of intraocular.
Another technical problem that will solve of the present invention provide a kind of armature winding enamelled wire and the insulating material consumption less, the lower-cost permanent magnet direct current motor of manufacture of intraocular.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is a kind of permanent magnet direct current motor rotor; Comprise armature core, armature winding and commutator; The armature bus duct is counted Z=6, and armature winding has 6 elements of winding, and the element of winding is the concentrated winding of first segment apart from y1=1.
Above-described permanent magnet direct current motor rotor, commutator have 6 commutator segments, 1 commutator segment of first termination of each element of winding; All the element of winding is divided into two groups, and 3 contiguous elements of winding are 1 group, and second end of same group of 3 elements of winding links together.
Above-described permanent magnet direct current motor rotor, first end of the said element of winding is drawn from the front end of wire casing unshakable in one's determination, and second end of the element of winding is drawn from the rear end of wire casing unshakable in one's determination.
Above-described permanent magnet direct current motor rotor, being shaped as of wire casing unshakable in one's determination cross section is fan-shaped, and the central angle of said fan-shaped correspondence is 60 °; In the same wire casing, the adjacent element of winding leans against respectively on two sidewalls of wire casing.
Above-described permanent magnet direct current motor rotor, the counter element limit of the adjacent element of winding is in distance Y=1 of armature surface.
A kind of technical scheme of permanent magnet direct current motor is, comprises permanent magnetism magnetic pole, rotor and carbon brush, and described rotor is above-mentioned permanent magnet direct current motor rotor; Described permanent magnetism magnetic pole is two pairs; Comprise two S utmost points and two N utmost points, described carbon brush is 4, comprises two positive carbon brush and two negative carbon brush.
Above-described permanent magnet direct current motor, permanent magnetism magnetic pole outer surface and inner surface are arc surface, and the center of circle of permanent magnetism magnetic pole inner surface is along the center of circle of radially outward departing from outer surface of arc surface, and the distance that staggers is less than 5 millimeters; The central angle that permanent magnetism magnetic pole is corresponding is 45 ° to 80 °.
The rotor of permanent magnet direct current motor of the present invention adopts concentrates winding to replace distributed winding, can improve production efficiency, reduction cost of labor and material cost that permanent magnet direct current motor is made.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the structural representation of prior art 12 grooves 2 utmost point permanent magnet direct current motors.
Fig. 2 is the expanded view of prior art 12 grooves 2 utmost point permanent magnet direct current motor simplex lap winding.
Fig. 3 is the structural representation of the embodiment of the invention 4 utmost point permanent magnet direct current motors.
Fig. 4 is the structure chart of the embodiment of the invention 4 utmost point permanent magnet direct current motor permanent magnetism magnetic poles.
Fig. 5 is the expanded view of the embodiment of the invention 4 utmost point permanent magnet direct current motor windings.
[embodiment]
To the embodiment of the invention 1 shown in Figure 5, permanent magnet direct current motor comprises two pairs of permanent magnetism magnetic poles 2, rotor and 4 carbon brush 4 at Fig. 3.
Permanent magnetism magnetic pole 2 comprises two S utmost point S1 and S2, two N utmost point N1 and N2.4 permanent magnetism magnetic poles 2 circumferentially being uniformly distributed with along permanent magnet direct current motor casing 10.Permanent magnetism magnetic pole 2 outer surfaces 201 are arc surface with inner surface 202, and the center of circle O2 of permanent magnetism magnetic pole 2 inner surfaces 202 is along the center of circle O1 that radially outward departs from outer surface 201 of arc surface, O2 and O1 stagger apart from γ less than 5 millimeters; Permanent magnetism magnetic pole 2 corresponding central angle alpha are 45 ° to 80 °.
The permanent magnet direct current motor rotor comprises armature core 1, armature winding 5 and commutator 6, and the armature bus duct of rotor is counted Z=6, commutator 6 total commutator segment 1-6, and armature winding 5 has 6 elements of winding, 1 commutator segment of the preceding termination of each element of winding; The first segment of the element of winding is apart from y1=1, and the counter element limit of the adjacent element of winding is in distance Y=1 of armature surface (groove number).All the element of winding is divided into two groups, and 3 contiguous elements of winding are 1 group, and the rear end of same group of 3 elements of winding links together, and connects into Y shape.
The front end of the element of winding is drawn from the front end of wire casing 101 unshakable in one's determination, and draw from the rear end of wire casing 101 unshakable in one's determination the rear end of the element of winding.
Being shaped as of wire casing unshakable in one's determination 101 cross sections is fan-shaped, and the central angle that sector crosssection is corresponding is 60 °; In the same wire casing 101, the adjacent element of winding leans against respectively on two sidewalls of wire casing 101.
The main flux that permanent magnetism magnetic pole 2-1,2-4 produce gets into rotor core tooth portion 102 through air gap; Divide two-way to pass through rotor yoke 103, rotor tooth portion 102, air gap inflow permanent magnetism magnetic pole 2-2,2-3 then, flow back into permanent magnetism magnetic pole 2-1,2-4 through casing (stator yoke) 10 again.Electric current flows into armature winding 5 through carbon brush 4, commutator 6, when armature winding 5 has electric current to flow through, and the action of a magnetic field power drive rotor rotation that armature winding produces because of receiving permanent magnetism magnetic pole.
The embodiment of the invention has following beneficial effect:
1. can effectively shorten the main magnetic circuit length of permanent magnet direct current motor, the main magnetic circuit magnetic resistance is effectively diminished.
2. the armature winding because of above embodiment is concentrated winding, can effectively dwindle permanent magnet direct current motor armature winding pitch and shorten armature winding termination section length, thereby reduce armature winding resistance and permanent magnet direct current motor armature winding enamelled wire consumption; Reduce and make the required enamelled wire material cost of permanent magnet direct current motor.
3. the rotor core groove number because of above embodiment is few, can effectively reduce slot liner material usage and required time of slot insulating material, therefore can effectively reduce and make required material cost and the cost of labor of permanent magnet direct current motor.
4. therefore few the and concentrated winding of armature winding employing because of above embodiment rotor core groove number can effectively reduce the rotor winding required time, reduces and makes the required cost of labor of permanent magnet direct current motor, enhances productivity.
Claims (7)
1. a permanent magnet direct current motor rotor comprises armature core, armature winding and commutator, it is characterized in that, the armature bus duct is counted Z=6, and armature winding has 6 elements of winding, and the element of winding is the concentrated winding of first segment apart from y1=1.
2. permanent magnet direct current motor rotor according to claim 1 is characterized in that, commutator has 6 commutator segments, 1 commutator segment of first termination of each element of winding; All the element of winding is divided into two groups, and 3 contiguous elements of winding are 1 group, and second end of same group of 3 elements of winding links together.
3. permanent magnet direct current motor rotor according to claim 2 is characterized in that, first end of the said element of winding is drawn from the front end of wire casing unshakable in one's determination, and second end of the element of winding is drawn from the rear end of wire casing unshakable in one's determination.
4. permanent magnet direct current motor rotor according to claim 2 is characterized in that, being shaped as of wire casing unshakable in one's determination cross section is fan-shaped, and the central angle of said fan-shaped correspondence is 60 °; In the same wire casing, the adjacent element of winding leans against respectively on two sidewalls of wire casing.
5. permanent magnet direct current motor rotor according to claim 2 is characterized in that, the counter element limit of the adjacent element of winding is in distance Y=1 of armature surface.
6. permanent magnet direct current motor; Comprise permanent magnetism magnetic pole, rotor and carbon brush, it is characterized in that described rotor is the described permanent magnet direct current motor rotor of arbitrary claim in the claim 1 to 5; Described permanent magnetism magnetic pole is two pairs; Comprise two S utmost points and two N utmost points, described carbon brush is 4, comprises two positive carbon brush and two negative carbon brush.
7. permanent magnet direct current motor according to claim 6; It is characterized in that; Permanent magnetism magnetic pole outer surface and inner surface are arc surface; The center of circle of permanent magnetism magnetic pole inner surface is along the center of circle of radially outward departing from outer surface of arc surface, and the distance that staggers is less than 5 millimeters, and the central angle that permanent magnetism magnetic pole is corresponding is 45 ° to 80 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104357349A CN102570657A (en) | 2011-12-22 | 2011-12-22 | Permanent magnet direct current motor rotor and permanent magnet direct current motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104357349A CN102570657A (en) | 2011-12-22 | 2011-12-22 | Permanent magnet direct current motor rotor and permanent magnet direct current motor |
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| CN102570657A true CN102570657A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104357349A Pending CN102570657A (en) | 2011-12-22 | 2011-12-22 | Permanent magnet direct current motor rotor and permanent magnet direct current motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545962A (en) * | 2013-10-31 | 2014-01-29 | 捷和电机制品(深圳)有限公司 | Rotor of permanent magnet direct current motor |
| CN105281443A (en) * | 2015-10-17 | 2016-01-27 | 李德生 | Clamp-shaped electric energy magnetic brush |
| CN105305654A (en) * | 2015-10-17 | 2016-02-03 | 李德生 | Side surface electric energy magnetic brush |
| CN105391187A (en) * | 2015-10-17 | 2016-03-09 | 李德生 | Three-phase side surface electric energy magnetic brush |
| CN112260429A (en) * | 2020-10-27 | 2021-01-22 | 捷和电机制品(深圳)有限公司 | Permanent magnet direct current motor and motor system |
| CN115664064A (en) * | 2022-12-26 | 2023-01-31 | 常州市凯迪电器股份有限公司 | Lifting upright post using permanent magnet direct current motor |
| CN117318403A (en) * | 2023-10-09 | 2023-12-29 | 揭阳市汇宝昌电器有限公司 | Flat permanent magnet direct current brush motor in inverse wire hanging mode and design method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062245A (en) * | 1990-12-07 | 1992-06-24 | 张德洪 | Dc power saving motor |
| CN201038839Y (en) * | 2007-05-22 | 2008-03-19 | 东南大学 | Twisted mutually-supplementary magnetic pass switching dual protrusion pole permanent magnetic motor |
| CN101340133A (en) * | 2008-07-29 | 2009-01-07 | 刘大椿 | Asymmetric 6 phase permanent-magnet brushless DC motor |
| CN101771299A (en) * | 2009-12-26 | 2010-07-07 | 中国矿业大学 | Rotor structure of nonuniform rotor conductor distribution for permanent magnetic synchronous motor |
| GB2468695A (en) * | 2009-03-18 | 2010-09-22 | Imra Europ S A S Uk Res Ct | A stator assembly incorporating permanent magnets and wound field poles for an inductor machine. |
| CN102185450A (en) * | 2011-03-17 | 2011-09-14 | 太仓市康辉科技发展有限公司 | Permanent magnet direct current (DC) speed-reducing motor |
| CN202488316U (en) * | 2012-02-28 | 2012-10-10 | 深圳联和电机有限公司 | Rotor for permanent magnet direct-current motors and permanent magnet direct-current motor |
-
2011
- 2011-12-22 CN CN2011104357349A patent/CN102570657A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062245A (en) * | 1990-12-07 | 1992-06-24 | 张德洪 | Dc power saving motor |
| CN201038839Y (en) * | 2007-05-22 | 2008-03-19 | 东南大学 | Twisted mutually-supplementary magnetic pass switching dual protrusion pole permanent magnetic motor |
| CN101340133A (en) * | 2008-07-29 | 2009-01-07 | 刘大椿 | Asymmetric 6 phase permanent-magnet brushless DC motor |
| GB2468695A (en) * | 2009-03-18 | 2010-09-22 | Imra Europ S A S Uk Res Ct | A stator assembly incorporating permanent magnets and wound field poles for an inductor machine. |
| CN101771299A (en) * | 2009-12-26 | 2010-07-07 | 中国矿业大学 | Rotor structure of nonuniform rotor conductor distribution for permanent magnetic synchronous motor |
| CN102185450A (en) * | 2011-03-17 | 2011-09-14 | 太仓市康辉科技发展有限公司 | Permanent magnet direct current (DC) speed-reducing motor |
| CN202488316U (en) * | 2012-02-28 | 2012-10-10 | 深圳联和电机有限公司 | Rotor for permanent magnet direct-current motors and permanent magnet direct-current motor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545962A (en) * | 2013-10-31 | 2014-01-29 | 捷和电机制品(深圳)有限公司 | Rotor of permanent magnet direct current motor |
| CN103545962B (en) * | 2013-10-31 | 2016-08-24 | 捷和电机制品(深圳)有限公司 | A kind of rotor of permanent magnet DC motor |
| CN105281443A (en) * | 2015-10-17 | 2016-01-27 | 李德生 | Clamp-shaped electric energy magnetic brush |
| CN105305654A (en) * | 2015-10-17 | 2016-02-03 | 李德生 | Side surface electric energy magnetic brush |
| CN105391187A (en) * | 2015-10-17 | 2016-03-09 | 李德生 | Three-phase side surface electric energy magnetic brush |
| CN112260429A (en) * | 2020-10-27 | 2021-01-22 | 捷和电机制品(深圳)有限公司 | Permanent magnet direct current motor and motor system |
| CN115664064A (en) * | 2022-12-26 | 2023-01-31 | 常州市凯迪电器股份有限公司 | Lifting upright post using permanent magnet direct current motor |
| CN117318403A (en) * | 2023-10-09 | 2023-12-29 | 揭阳市汇宝昌电器有限公司 | Flat permanent magnet direct current brush motor in inverse wire hanging mode and design method thereof |
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Application publication date: 20120711 |