CN104506012A - Rare-earth permanent magnet brushless DC motor used for gating - Google Patents
Rare-earth permanent magnet brushless DC motor used for gating Download PDFInfo
- Publication number
- CN104506012A CN104506012A CN201410543649.8A CN201410543649A CN104506012A CN 104506012 A CN104506012 A CN 104506012A CN 201410543649 A CN201410543649 A CN 201410543649A CN 104506012 A CN104506012 A CN 104506012A
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- CN
- China
- Prior art keywords
- rotor
- iron core
- earth permanent
- permanent magnet
- rare earth
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- 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
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
-
- 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
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- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
Abstract
The invention discloses a rare-earth permanent magnet brushless DC motor used for gating. The motor comprises a permanent magnet rotor in a plum shape, a front end cover, a housing, a outer stator concentrating winding, a winding wire, a permanent magnet rotor position detection adapter plate, and a rear end cover. The permanent magnet rotor is joined in the outer stator. A rotor position sensor in the permanent magnet rotor and the winding leading-out end of the outer stator are respectively connected with the winding wire and the permanent magnet rotor position detection adapter plate. The outer stator is installed in the housing. The front end cover and the rear end cover are fastened on two ends of the housing. The front end cover is used to connect with a gearbox. The rear end cover is used to connect with brake matched devices or a tachometer. The rare-earth permanent magnet brushless DC motor used for gating is simple and compact in integrated structure, simplified in processing, high in production efficiency, light in whole motor weight, small in volume, high in strength, long in service life, low in manufacturing cost, good in operation performance, convenient in maintenance and installation, and the motor has good application prospect.
Description
Technical field
The present invention relates to track communicating door Driving technique field, be specifically related to a kind of rare earth permanent magnetic brushless dc motor for gate.
Background technology
Along with the continuous expansion of city size, track traffic is as high ferro, subway is developed rapidly and applies, at present, high ferro, the driver part of the door system of subway is motor, the motor of China relies on import for a long time always, the motor of a large amount of use is for having brush permanent magnet direct current motor or traditional type rare earth brushless DC motor, but it is large to there is volume, efficiency is low, the problem that technical data is incomplete, and, we know, the technical parameter of motor differs too large with the actual operating data of motor, have a strong impact on the operation and maintenance of motor, rely on import, the product purchasing cycle is long, what quality problems occured frequently can not get timely process, have a strong impact on the development of track traffic door system, be with inconvenience.
Traditional brshless DC motor development is very fast, be widely applied, expense is very large, but traditional brushless DC motor structure is complicated, need manual operation, cause the complex manufacturing of manufacturer, production efficiency is low, the poor stability of product, low precision, meets the industry requirement of not track traffic door system.
Summary of the invention
Technical problem solved by the invention overcomes existing brshless DC motor, complex structure, needs manual operation, produces inefficiency, the poor stability of product, low precision, meets the problem of the industry requirement of not track traffic door system.Rare earth permanent magnetic brushless dc motor for gate of the present invention, overall structure is simply compact, and processing technology simplifies, and production efficiency is high, whole motor weight is light, and volume is little, and intensity is high, low cost of manufacture, long service life, runnability is good, safeguards easy for installation, has a good application prospect.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of rare earth permanent magnetic brushless dc motor for gate, it is characterized in that: the p-m rotor comprising plum blossom shape, front end housing, casing, the external stator of concentratred winding, winding conducting wire and p-m rotor position probing keyset and rear end cap, described p-m rotor is socketed in external stator inside, rotor-position sensor in described p-m rotor, the winding exit of external stator is connected with winding conducting wire and p-m rotor position probing keyset respectively, described external stator is arranged in casing, described front end housing and rear end cap are fastened on the both ends of casing, described front end housing is for connecting gearbox, described rear end cap is used for connecting brake and matches or tachometer,
Described p-m rotor comprises rotor core, the rare earth permanent magnet magnetic pole of surface-mount type crescent shape, rotating shaft and rotor-position sensor, described rare earth permanent magnet magnetic pole is the closely sealed outer surface being pasted onto rotor core uniformly, described rotor core adopts rotor punching to be overrided to form, described rotating shaft is positioned on the axis of rotor core, described rotor-position sensor is arranged in rotating shaft, for detection rotor position;
Described external stator comprises stator armature iron core, stator armature winding, tooth iron core and lead-out wire, and described stator armature iron core adopts armature stamping to be overrided to form, and at the tooth iron core winding armature coil of odd number, forms threephase armature winding; The tooth iron core of even number, as the component part of magnetic circuit, guarantees that magnetic field is symmetrical, and described tooth iron core is after stator armature winding completes coiling, and embedding pressure is inserted between the tooth iron-core coil of odd number, closely sealed with stator armature iron core, forms external stator.
Aforesaid a kind of rare earth permanent magnetic brushless dc motor for gate, is characterized in that: described rare earth permanent magnet magnetic pole is NbFeB sintered magnet steel, and described rotor-position sensor is plastic-bonded magneto.
Aforesaid a kind of rare earth permanent magnetic brushless dc motor for gate, is characterized in that: the gap being provided with plum blossom shape between the rare earth permanent magnet magnetic pole of described p-m rotor and external stator.
Aforesaid a kind of rare earth permanent magnetic brushless dc motor for gate, is characterized in that: the center of described rare earth permanent magnet magnetic pole is provided with through hole.
Aforesaid a kind of rare earth permanent magnetic brushless dc motor for gate, it is characterized in that: described stator armature iron core comprises yoke portion and teeth portion, the outer rim that yoke portion is placed in stator armature iron core is annulus, teeth portion is placed in the inner edge circumference of stator armature iron core, and be provided with 12 teeth groove along stator armature iron core inwall circle be uniformly distributed, and the teeth groove of odd number is connected with yoke portion, one punching, laminates and constitutes stator armature iron core.
Aforesaid a kind of rare earth permanent magnetic brushless dc motor for gate, is characterized in that: the top of described front end housing is provided with outlet box, and in described outlet box, the shielding that is provided with of parallel distribution makes holding wire and power line.
The invention has the beneficial effects as follows: the rare earth permanent magnetic brushless dc motor for gate of the present invention, overall structure is simply compact, and processing technology simplifies, and production efficiency is high, whole motor weight is light, volume is little, and intensity is high, long service life, low cost of manufacture, runnability is good, safeguards easy for installation, has a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rare earth permanent magnetic brushless dc motor for gate of the present invention.
Fig. 2 is the side diagram of the rare earth permanent magnetic brushless dc motor for gate of the present invention.
Fig. 3 is the structural representation of external stator of the present invention.
Fig. 4 is the structural representation of rare earth permanent magnet magnetic pole of the present invention.
The implication marked in accompanying drawing is as follows:
1: rotating shaft; 2: front end housing; 3: casing; 4: external stator; 5: rare earth permanent magnet magnetic pole; 6: outlet box; 7: rotor core; 8: winding conducting wire and p-m rotor position probing keyset; 9: rear end cap; 10: stator armature iron core; 11: stator armature winding; 12: tooth iron core; 13: lead-out wire; 14: shielding makes holding wire; 15: power line.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of rare earth permanent magnetic brushless dc motor for gate, comprise the p-m rotor of plum blossom shape, front end housing 2, casing 3, the external stator 4 of concentratred winding, winding conducting wire and p-m rotor position probing keyset 8 and rear end cap 9, it is inner that p-m rotor is socketed in external stator 4, rotor-position sensor in p-m rotor, the winding exit of external stator is connected with winding conducting wire and p-m rotor position probing keyset 8 respectively, external stator 4 is arranged in casing 3, front end housing 2 and rear end cap 9 are fastened on the both ends of casing 3, front end housing 2 is for connecting gearbox, rear end cap 9 matches or tachometer for connecting brake, as shown in Figure 2, front end housing 2 and rear end cap 9 all adopt aluminium alloy water chestnut shape octagon, intensity is high, good looking appearance, p-m rotor comprises rotor core 7, the rare earth permanent magnet magnetic pole 5 of surface-mount type crescent shape, rotating shaft 1 and rotor-position sensor, rare earth permanent magnet magnetic pole 5 is the closely sealed outer surface being pasted onto rotor core 7 uniformly, rotor core 7 adopts rotor punching to be overrided to form, rotating shaft 1 is positioned on the axis of rotor core, rotor-position sensor is arranged in rotating shaft, for detection rotor position, the top of front end housing 2 is provided with outlet box 6, in outlet box 6, the shielding that is provided with of parallel distribution makes holding wire 14 and power line 15, described shielding makes holding wire 14 and power line 15 be connected with winding conducting wire and p-m rotor position probing keyset 8 respectively.
As shown in Figure 3, described external stator 4 comprises stator armature iron core 10, stator armature winding 11, tooth iron core 12 and lead-out wire 13, stator armature iron core 10 adopts armature stamping to be overrided to form, and at the tooth iron core 12 coiling armature coil of odd number, forms threephase armature winding, the tooth iron core 12 of even number is as the component part of magnetic circuit, guarantee that magnetic field is symmetrical, tooth iron core 12 is after stator armature winding 11 completes coiling, embedding pressure is inserted between tooth iron core 12 coil of odd number, closely sealed with stator armature iron core 10, form external stator 4, thus very big in coiling stator armature winding 11 space, be convenient to realize mechanical coiling armature winding, production efficiency is high, consistency is good, copper factor is high, armature power density is high, stator armature iron core 10 comprises yoke portion and teeth portion, the outer rim that yoke portion is placed in stator armature iron core 10 is annulus, teeth portion is placed in the inner edge circumference of stator armature iron core 10, and be provided with 12 teeth groove along stator armature iron core 10 inwall circle be uniformly distributed, and the teeth groove of odd number is connected with yoke portion, one punching, laminate and constitute stator armature iron core 10.
Described rare earth permanent magnet magnetic pole 5 is NbFeB sintered magnet steel, rotor-position sensor is plastic-bonded magneto, as shown in Figure 4, the rare earth permanent magnet magnetic pole 5 of surface-mount type crescent shape, and between external stator 4, be provided with the gap of plum blossom shape, make rotor magnetic pole in air gap, produce the air gap flux density of Sine distribution, the center of rare earth permanent magnet magnetic pole 5 is provided with through hole, for reducing weight, reduce the impact of moment of inertia and reduction armature reaction, favourable to the dynamic response and operation stability improving motor.
To sum up, the rare earth permanent magnetic brushless dc motor for gate of the present invention, overall structure is simply compact, processing technology simplifies, production efficiency is high, and whole motor weight is light, and volume is little, intensity is high, long service life, low cost of manufacture, runnability is good, safeguard easy for installation, have a good application prospect.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (6)
1. the rare earth permanent magnetic brushless dc motor for gate, it is characterized in that: the p-m rotor comprising plum blossom shape, front end housing (2), casing (3), the external stator (4) of concentratred winding, winding conducting wire and p-m rotor position probing keyset (8) and rear end cap (9), it is inner that described p-m rotor is socketed in external stator (4), rotor-position sensor in described p-m rotor, the winding exit of external stator is connected with winding conducting wire and p-m rotor position probing keyset (8) respectively, described external stator (4) is arranged in casing (3), described front end housing (2) and rear end cap (9) are fastened on the both ends of casing (3), described front end housing (2) is for connecting gearbox, described rear end cap (9) matches or tachometer for connecting brake,
Described p-m rotor comprises rotor core (7), the rare earth permanent magnet magnetic pole (5) of surface-mount type crescent shape, rotating shaft (1) and rotor-position sensor, described rare earth permanent magnet magnetic pole (5) the closely sealed outer surface being pasted onto rotor core (7) uniformly, described rotor core (7) adopts rotor punching to be overrided to form, described rotating shaft (1) is positioned on the axis of rotor core, described rotor-position sensor is arranged in rotating shaft, for detection rotor position;
Described external stator (4) comprises stator armature iron core (10), stator armature winding (11), tooth iron core (12) and lead-out wire (13), described stator armature iron core (10) adopts armature stamping to be overrided to form, at tooth iron core (12) the coiling armature coil of odd number, form threephase armature winding; The tooth iron core (12) of even number is as the component part of magnetic circuit, guarantee that magnetic field is symmetrical, described tooth iron core (12) is after stator armature winding (11) completes coiling, embedding pressure is inserted between tooth iron core (12) coil of odd number, closely sealed with stator armature iron core (10), form external stator (4).
2. a kind of rare earth permanent magnetic brushless dc motor for gate according to claim 1, it is characterized in that: described rare earth permanent magnet magnetic pole is NbFeB sintered magnet steel, described rotor-position sensor is plastic-bonded magneto.
3. a kind of rare earth permanent magnetic brushless dc motor for gate according to claim 1, is characterized in that: the gap being provided with plum blossom shape between the rare earth permanent magnet magnetic pole (5) of described p-m rotor and external stator (4).
4. a kind of rare earth permanent magnetic brushless dc motor for gate according to claim 1, is characterized in that: the center of described rare earth permanent magnet magnetic pole (5) is provided with through hole.
5. a kind of rare earth permanent magnetic brushless dc motor for gate according to claim 1, it is characterized in that: described stator armature iron core (10) comprises yoke portion and teeth portion, the outer rim that yoke portion is placed in stator armature iron core (10) is annulus, teeth portion is placed in the inner edge circumference of stator armature iron core (10), and be provided with 12 teeth groove along stator armature iron core (10) inwall circle be uniformly distributed, and the teeth groove of odd number is connected with yoke portion, one punching, laminates and constitutes stator armature iron core (10).
6. a kind of rare earth permanent magnetic brushless dc motor for gate according to claim 1, it is characterized in that: the top of described front end housing (2) is provided with outlet box (6), in described outlet box (6), the shielding that is provided with of parallel distribution makes holding wire (14) and power line (15), and described shielding makes holding wire (14) be connected with winding conducting wire and p-m rotor position probing keyset (8) respectively with power line (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543649.8A CN104506012A (en) | 2014-10-15 | 2014-10-15 | Rare-earth permanent magnet brushless DC motor used for gating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543649.8A CN104506012A (en) | 2014-10-15 | 2014-10-15 | Rare-earth permanent magnet brushless DC motor used for gating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104506012A true CN104506012A (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410543649.8A Pending CN104506012A (en) | 2014-10-15 | 2014-10-15 | Rare-earth permanent magnet brushless DC motor used for gating |
Country Status (1)
| Country | Link |
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| CN (1) | CN104506012A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021104549A1 (en) * | 2019-11-28 | 2021-06-03 | Hans Hermann Rottmerhusen | Electronically commutated electric motor |
| CN112928852A (en) * | 2019-12-05 | 2021-06-08 | 中核四0四有限公司 | Permanent magnet brushless DC motor for mixing of mixer-settler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5418416A (en) * | 1983-09-05 | 1995-05-23 | Papst Licensing Gmbh | Brushless three-phase DC motor |
| CN201113744Y (en) * | 2007-07-09 | 2008-09-10 | 范安成 | Permanent-magnet brushless DC motor |
| CN101951109A (en) * | 2010-10-12 | 2011-01-19 | 彭希南 | Direct drive type permanent magnet direct current brushless motor |
| CN102364846A (en) * | 2011-09-20 | 2012-02-29 | 应忠良 | Permanent magnet brushless DC (direct current) motor |
| CN202309285U (en) * | 2011-11-15 | 2012-07-04 | 浙江省三门县飞达电器有限公司 | Rotor topological structure for permanent magnet servo motor |
| CN204089550U (en) * | 2014-10-15 | 2015-01-07 | 南京康尼机电股份有限公司 | A kind of rare earth permanent magnetic brushless dc motor for gate |
-
2014
- 2014-10-15 CN CN201410543649.8A patent/CN104506012A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5418416A (en) * | 1983-09-05 | 1995-05-23 | Papst Licensing Gmbh | Brushless three-phase DC motor |
| CN201113744Y (en) * | 2007-07-09 | 2008-09-10 | 范安成 | Permanent-magnet brushless DC motor |
| CN101951109A (en) * | 2010-10-12 | 2011-01-19 | 彭希南 | Direct drive type permanent magnet direct current brushless motor |
| CN102364846A (en) * | 2011-09-20 | 2012-02-29 | 应忠良 | Permanent magnet brushless DC (direct current) motor |
| CN202309285U (en) * | 2011-11-15 | 2012-07-04 | 浙江省三门县飞达电器有限公司 | Rotor topological structure for permanent magnet servo motor |
| CN204089550U (en) * | 2014-10-15 | 2015-01-07 | 南京康尼机电股份有限公司 | A kind of rare earth permanent magnetic brushless dc motor for gate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021104549A1 (en) * | 2019-11-28 | 2021-06-03 | Hans Hermann Rottmerhusen | Electronically commutated electric motor |
| CN112928852A (en) * | 2019-12-05 | 2021-06-08 | 中核四0四有限公司 | Permanent magnet brushless DC motor for mixing of mixer-settler |
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| PB01 | Publication | ||
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Application publication date: 20150408 |