CN102315744A - Motor rotor system - Google Patents
Motor rotor system Download PDFInfo
- Publication number
- CN102315744A CN102315744A CN2010102216163A CN201010221616A CN102315744A CN 102315744 A CN102315744 A CN 102315744A CN 2010102216163 A CN2010102216163 A CN 2010102216163A CN 201010221616 A CN201010221616 A CN 201010221616A CN 102315744 A CN102315744 A CN 102315744A
- Authority
- CN
- China
- Prior art keywords
- magnet ring
- rotor
- ring support
- magnet
- iron core
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a motor rotor system, which comprises a revolving shaft (1), a rotor core (2), a permanent magnet (3), a magnet ring support (4) and a magnet ring (5), wherein the rotor core is the arranged on the revolving shaft (1); the permanent magnet (3), the magnet ring support (4) and the magnet ring (5) are arranged on the rotor core (2); the magnet ring (5) is sleeved on the magnet ring support (4); and the magnet ring support (4) is positioned on one side of the rotor core (2) and connected with an end face of the rotor core (2). The motor rotor system has the advantages that: the main field corresponds to the induced field of the rotor accurately; the motor rotor system is high in consistency, is suitable for batch production, has a simple structure, and is convenient to install; and sine wave driving control mode with a position sensor can be implemented.
Description
Technical field:
The present invention relates to a kind of rotor system.
Background technology:
At present, dc brushless motor adopts position transducer (Hall element) to measure the position of rotor, so that electric machine controller in time sends the commutation instruction; Occur now with the sinusoidal wave control mode of band position transducer, under this control model, the rotor main field is used strong magnetic; The controlling and driving signal is higher to the coherence request by the gross of winding back emf and Hall output signal, and under the bad situation of consistency, anomaly appears in the program that can cause being used for a motor when being used on the other platform; The lighter's motor noise vibration aggravation, efficient reduces, and loses the peculiar advantage of sinusoidal wave motor; The shake of severe patient motor rotation, step-out.Also there is following problem in rotor-support-foundation system at present: 1, after the motor main field, increase the one-level reaction magnetic ring, problem is that the relative position between main field and the induced field is not easy control, and precision is not high, influences certainty of measurement; 2. the mode that the reasonable enterprise of the technology that magnetizes uses main field and induced field to magnetize together, this mode is applicable to the lower magnetic materials of magnetic such as ferrite or bonded neodymium-iron-boron, not too is fit to ferromagnetic materials such as sintered NdFeB, because technology does not allow; 3. increase the adjustable Hall subassembly in a place at the back at electric motor end cap; Detect the relative position of hall signal and counter potential waveform through the mode of dragging back-emf; Regulate the fine setting Hall subassembly then and realize the main field of needs and the relative position relation of induced field, this mode manufacturability is bad, and overall precision is not high; Motor overall performance difference is big, and trouble is installed.
Summary of the invention:
The purpose of this invention is to provide a kind of rotor system, the main field of rotor and induced field position are accurately corresponding, and high conformity is suitable for and produces in enormous quantities, and is simple in structure easy for installation, satisfy the sine wave drive control mode of band position transducer.
The objective of the invention is to be achieved through following technical scheme.
A kind of rotor system; Comprise rotating shaft, be installed in rotor core in the rotating shaft, be installed in permanent magnet, magnet ring support and magnet ring on the rotor core; Magnet ring is sleeved on the magnet ring support, the magnet ring support be positioned at rotor core one end and with the connection of rotor core end face.
On the above-mentioned described magnet ring support annular outboard wall location notch is set, the positioning convex portion on the madial wall of magnet ring, positioning convex portion and location notch scarf mutually close, and make magnet ring be installed in the magnet ring support outside.
Above-mentioned described magnet ring support is provided with annular inner ring, stretches out some heat radiation fan blades from annular inner ring lateral wall, and the connection of annular outboard wall is supported on some heat radiation fan blades tops.
The annular outboard wall bottom of above-mentioned described magnet ring support is protruding with back-up ring, and back-up ring supports the bottom of magnet ring.
The outer wall of above-mentioned described rotor core protrudes some boss, between adjacent two boss, forms groove, and permanent magnet is embedded into the groove the inside.
Above-mentioned described rotor core comprises outer iron core, interior iron core and damping jockey.
Above-mentioned described damping jockey comprises rubber ring, rivet and end plate, and rubber ring is nested in the space between outer iron core and the interior iron core, and rivet passes riveted joint behind through hole and the mounting panel on the magnet ring support of end plate, rubber ring.
Mounting panel on the above-mentioned described magnet ring support is arranged on the bottom of annular inner ring madial wall, and mounting panel is along some installing holes circumferentially are set.
Outer wall protrudes some boss on the above-mentioned described outer iron core; Between adjacent two boss, form groove, permanent magnet is embedded into the groove the inside, and several location holes are set on the end face of outer iron core; Protruding positioning pole on the annular inner ring of described magnet ring support, reference column are embedded into the location hole the inside.
The invention has the beneficial effects as follows: 1) the magnet ring support be positioned at rotor core one end and with the connection of rotor core end face; On the magnet ring support annular outboard wall location notch is set, the positioning convex portion on the madial wall of magnet ring, positioning convex portion and location notch scarf mutually close; Make magnet ring be installed in the magnet ring support outside; Can guarantee effectively that the position of induced field is corresponding with the position of main field accurately, fixed the main field of motor and induced field relative position relation, can realize consistency, good manufacturability by the gross, satisfied and be with hall signal offset of sinusoidal ripple to control of the requirement of this mode motor; Motor operates steadily, low-noise vibrating; 2) the magnet ring support is provided with annular inner ring; Stretch out some heat radiation fan blades from annular inner ring lateral wall, the connection of annular outboard wall is supported on some heat radiation fan blades tops, and ferromagnetic permanent magnet and reaction magnetic ring are kept at a certain distance away; Reduce the interference of main field to induced field; Improve to measure the precision of rotor-position, the heat radiation fan blade can be effectively to the heat radiation of motor windings and other electronic component, compact conformation; 3) rotor core comprises outer iron core, interior iron core and damping jockey; The damping jockey comprises rubber ring, rivet and end plate; Rubber ring is nested in the space between outer iron core and the interior iron core; Rivet passes riveted joint behind through hole and the mounting panel on the magnet ring support of end plate, rubber ring, motor is operated steadily, low-noise vibrating; 4) several location holes are set on the end face of outer iron core; Protruding positioning pole on the annular inner ring of described magnet ring support, reference column are embedded into the location hole the inside, permanent magnet position relative fixed on magnet ring on the assurance magnet ring support and the outer iron core; Therefore make main field and induced field position accurately corresponding; High conformity is suitable for and produces in enormous quantities, and is simple in structure easy for installation.
Description of drawings:
Fig. 1 is the stereogram of rotor-support-foundation system of the present invention.
Fig. 2 is the exploded view of rotor-support-foundation system of the present invention.
Fig. 3 is the front view of rotor-support-foundation system of the present invention.
Fig. 4 is the A-A cutaway view among Fig. 3.
Fig. 5 is the enlarged drawing of B-B among Fig. 4.
Fig. 6 is the C-C cutaway view among Fig. 3.
Fig. 7 is the stereogram of an angle of magnet ring support of the present invention.
Fig. 8 is the stereogram of another angle of magnet ring support of the present invention.
Fig. 9 is the structural representation of rotor core of the present invention.
Embodiment:
Below through specific embodiment and combine accompanying drawing that the present invention is described in further detail.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9; A kind of rotor system; Comprise rotating shaft 1, be installed in rotor core 2 in the rotating shaft 1, be installed in permanent magnet 3, magnet ring support 4 and magnet ring 5 on the rotor core 2, magnet ring 5 is sleeved on the magnet ring support 4, magnet ring support 4 be positioned at rotor core 2 one ends and with rotor core 2 end face connections; On the described magnet ring support 4 annular outboard walls 41 location notch 42 is set; Positioning convex portion 51 on the madial wall of magnet ring 5, positioning convex portion 51 and location notch 42 scarf are mutually closed, and make magnet ring 4 be installed in magnet ring support 3 outsides.Described magnet ring support 4 is provided with annular inner ring 45, stretches out some heat radiation fan blades 43 from annular inner ring 45 lateral walls, and 41 connections of annular outboard wall are supported on some heat radiation fan blade 43 tops.Annular outboard wall 41 bottoms of magnet ring support 4 are protruding with back-up ring 48, and back-up ring 48 supports the bottom of magnet ring 5, and the outer wall of rotor core 2 protrudes some boss 221, between adjacent two boss 221, form groove 222, and permanent magnet 3 is embedded into groove 222 the insides.Rotor core 2 comprises outer iron core 22, interior iron core 21 and damping jockey; The damping jockey comprises rubber ring 71, rivet 72 and end plate 73, and rubber ring 7 is nested in the space between outer iron core 22 and the interior iron core 21, and rivet 72 passes the installing hole 47 back riveted joints on the mounting panel 46 of through hole 711 and magnet ring support 4 of end plate 73, rubber ring 71; Mounting panel 46 on the magnet ring support 4 is arranged on the bottom of annular inner ring 45 madial walls; Mounting panel 46 is along circumferentially being provided with some installing holes 47, and outer wall protrudes some boss 221 on the outer iron core 22, between adjacent two boss 221, forms groove 222; Permanent magnet 3 is embedded into groove 222 the insides; Several location 23 are set on the end face of outer iron core 22, and protruding positioning pole 44 on the annular inner ring 45 of described magnet ring support 4, reference column 44 are embedded into location hole 23 the insides.
Principle of the present invention is: magnet ring support 4 be positioned at rotor core 2 one ends and with rotor core 2 end face connections; On the magnet ring support 4 annular outboard walls 41 location notch 42 is set, the positioning convex portion 51 on the madial wall of magnet ring 5, positioning convex portion 51 and location notch 42 scarf mutually close; Make magnet ring 5 be installed in magnet ring support 4 outsides; Can guarantee effectively that the position of induced field is corresponding with the position of main field accurately, fixed the main field of motor and induced field relative position relation, can realize consistency, good manufacturability by the gross, satisfied and be with hall signal offset of sinusoidal ripple to control of the requirement of this mode motor; Motor operates steadily, low-noise vibrating; Magnet ring support 4 is provided with annular inner ring 45; Stretch out some heat radiation fan blades 43 from annular inner ring 45 lateral walls, annular outboard wall 41 connects and is supported on some heat radiation fan blade 43 tops, makes ferromagnetic permanent magnet and reaction magnetic ring interval by annular inner ring 45 minutes at a certain distance; Reduce the interference of main field to induced field; Improve to measure the precision of rotor-position, heat radiation fan blade 43 can be effectively to the heat radiation of motor windings and other electronic component, compact conformation; Rotor core 2 comprises outer iron core 22, interior iron core 21 and damping jockey; The damping jockey comprises rubber ring 71, rivet 72 and end plate 73; Rubber ring 71 is nested in the space between outer iron core 22 and the interior iron core 21; Rivet 72 passes the through hole 711 and the 46 back riveted joints of the mounting panel on the magnet ring support 4 of end plate 73, rubber ring 71, motor is operated steadily, low-noise vibrating; Several location holes 23 are set on the end face of outer iron core 22; Protruding positioning pole 44 on the annular inner ring 45 of described magnet ring support 4, reference column 33 are embedded into location hole 23 the insides, permanent magnet 3 position relative fixed on magnet ring 5 on the assurance magnet ring support 4 and the outer iron core 22; Therefore make main field and induced field position accurately corresponding; High conformity is suitable for and produces in enormous quantities, and is simple in structure easy for installation.
Claims (9)
1. rotor system; Comprise rotating shaft (1), be installed in rotor core (2) in the rotating shaft (1), be installed in permanent magnet (3), magnet ring support (4) and magnet ring (5) on the rotor core (2); It is characterized in that: magnet ring (5) is sleeved on the magnet ring support (4), magnet ring support (4) be positioned at rotor core (2) one ends and with rotor core (2) end face connection.
2. a kind of rotor according to claim 1 system; It is characterized in that: location notch (42) is set on described magnet ring support (4) the annular outboard wall (41); Positioning convex portion on the madial wall of magnet ring (5) (51); Positioning convex portion (51) and location notch (42) scarf mutually close, and make magnet ring (4) be installed in magnet ring support (3) outside.
3. a kind of rotor according to claim 2 system; It is characterized in that: described magnet ring support (4) is provided with annular inner ring (45); Stretch out some heat radiation fan blades (43) from annular inner ring (45) lateral wall, annular outboard wall (41) connection is supported on some heat radiation fan blades (43) top.
4. a kind of rotor according to claim 3 system, it is characterized in that: annular outboard wall (41) bottom of magnet ring support (4) is protruding with back-up ring (48), and back-up ring (48) supports the bottom of magnet ring (5).
5. according to claim 1,2,3 or 4 described a kind of rotor systems, it is characterized in that: the outer wall of rotor core (2) protrudes some boss (221), between adjacent two boss (221), forms groove (222), and permanent magnet (3) is embedded into groove (222) the inside.
6. according to claim 1,2,3,4 or 5 described a kind of rotor systems, it is characterized in that: rotor core (2) comprises outer iron core (22), interior iron core (21) and damping jockey.
7. a kind of rotor according to claim 6 system; It is characterized in that: the damping jockey comprises rubber ring (71), rivet (72) and end plate (73); Rubber ring (71) is nested in the space between outer iron core (22) and the interior iron core (21), and rivet (72) passes the through hole (711) and the riveted joint of the back of the mounting panel (46) on the magnet ring support (4) of end plate (73), rubber ring (71).
8. a kind of rotor according to claim 7 system, it is characterized in that: the mounting panel (46) on the magnet ring support (4) is arranged on the bottom of annular inner ring (45) madial wall, and mounting panel (46) is along some installing holes (47) circumferentially are set.
9. a kind of rotor according to claim 7 system; It is characterized in that: outer iron core (22) is gone up outer wall and is protruded some boss (221); Between adjacent two boss (221), form groove (222), permanent magnet (3) is embedded into groove (222) the inside, and several location holes (23) are set on the end face of outer iron core (22); The annular inner ring (45) of described magnet ring support (4) is gone up protruding positioning pole (44), and reference column (44) is embedded into location hole (23) the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010221616.3A CN102315744B (en) | 2010-07-01 | 2010-07-01 | Motor rotor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010221616.3A CN102315744B (en) | 2010-07-01 | 2010-07-01 | Motor rotor system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102315744A true CN102315744A (en) | 2012-01-11 |
| CN102315744B CN102315744B (en) | 2015-04-29 |
Family
ID=45428630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010221616.3A Active CN102315744B (en) | 2010-07-01 | 2010-07-01 | Motor rotor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102315744B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001359A (en) * | 2012-11-14 | 2013-03-27 | 黄迪 | Special rotor with improved Hall output waveform for motor of electric tricycle |
| WO2014000348A1 (en) * | 2012-06-29 | 2014-01-03 | 中山大洋电机股份有限公司 | Rotor assembly |
| CN103855824A (en) * | 2012-11-30 | 2014-06-11 | 中山大洋电机股份有限公司 | Motor rotor assembly |
| CN104038012A (en) * | 2014-07-06 | 2014-09-10 | 任金瑞 | Magnetic loop of high-speed motor of electric vehicle |
| CN104037986A (en) * | 2014-07-06 | 2014-09-10 | 任金瑞 | Position sensing device of high-speed motor of electric vehicle |
| CN104426263A (en) * | 2013-08-26 | 2015-03-18 | 苏州奥宝杰电机科技有限公司 | Rotor and brushless motor adopting same |
| CN107257171A (en) * | 2017-08-22 | 2017-10-17 | 成都银河磁体股份有限公司 | A kind of integral type rotor assembly with sensor magnet and driving magnet |
| CN108616179A (en) * | 2018-07-18 | 2018-10-02 | 珠海格力电器股份有限公司 | A kind of damping rotor and its motor |
| CN111817616A (en) * | 2020-07-10 | 2020-10-23 | 上海钧正网络科技有限公司 | Motor control method and device |
| DE102021214732A1 (en) | 2021-12-20 | 2023-06-22 | Rolls-Royce Deutschland Ltd & Co Kg | Electrical machine with a multi-part coupling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377762Y (en) * | 1998-11-02 | 2000-05-10 | 万德鸿 | Mechanoelectric integrated permanent-magnet brushless electric machine |
| CN2498780Y (en) * | 2001-07-31 | 2002-07-03 | 建准电机工业股份有限公司 | A.C. motor with rotation balancing structure |
| JP2003134737A (en) * | 2001-10-22 | 2003-05-09 | Aichi Electric Co Ltd | Rotor |
| CN200990537Y (en) * | 2006-12-18 | 2007-12-12 | 中山大洋电机股份有限公司 | Vibration reducing connecting device for external rotor electric machine axle and stator |
| CN201708673U (en) * | 2010-07-01 | 2011-01-12 | 中山大洋电机制造有限公司 | Motor rotor system |
-
2010
- 2010-07-01 CN CN201010221616.3A patent/CN102315744B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377762Y (en) * | 1998-11-02 | 2000-05-10 | 万德鸿 | Mechanoelectric integrated permanent-magnet brushless electric machine |
| CN2498780Y (en) * | 2001-07-31 | 2002-07-03 | 建准电机工业股份有限公司 | A.C. motor with rotation balancing structure |
| JP2003134737A (en) * | 2001-10-22 | 2003-05-09 | Aichi Electric Co Ltd | Rotor |
| CN200990537Y (en) * | 2006-12-18 | 2007-12-12 | 中山大洋电机股份有限公司 | Vibration reducing connecting device for external rotor electric machine axle and stator |
| CN201708673U (en) * | 2010-07-01 | 2011-01-12 | 中山大洋电机制造有限公司 | Motor rotor system |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014000348A1 (en) * | 2012-06-29 | 2014-01-03 | 中山大洋电机股份有限公司 | Rotor assembly |
| CN103001359B (en) * | 2012-11-14 | 2014-08-20 | 黄迪 | Special rotor with improved Hall output waveform for motor of electric tricycle |
| CN103001359A (en) * | 2012-11-14 | 2013-03-27 | 黄迪 | Special rotor with improved Hall output waveform for motor of electric tricycle |
| CN103855824B (en) * | 2012-11-30 | 2016-06-22 | 中山大洋电机股份有限公司 | A kind of motor rotor component |
| CN103855824A (en) * | 2012-11-30 | 2014-06-11 | 中山大洋电机股份有限公司 | Motor rotor assembly |
| CN104426263B (en) * | 2013-08-26 | 2017-12-19 | 苏州奥宝杰电机科技有限公司 | Rotor and the brushless electric machine using the rotor |
| CN104426263A (en) * | 2013-08-26 | 2015-03-18 | 苏州奥宝杰电机科技有限公司 | Rotor and brushless motor adopting same |
| CN104037986B (en) * | 2014-07-06 | 2017-09-22 | 南安市智德机械设备有限公司 | The position sensing device of high-speed motor of electric vehicle |
| CN104037986A (en) * | 2014-07-06 | 2014-09-10 | 任金瑞 | Position sensing device of high-speed motor of electric vehicle |
| CN104038012B (en) * | 2014-07-06 | 2017-10-20 | 光泽县和新设备技术有限公司 | The magnet ring of high-speed motor of electric vehicle |
| CN104038012A (en) * | 2014-07-06 | 2014-09-10 | 任金瑞 | Magnetic loop of high-speed motor of electric vehicle |
| CN107257171A (en) * | 2017-08-22 | 2017-10-17 | 成都银河磁体股份有限公司 | A kind of integral type rotor assembly with sensor magnet and driving magnet |
| CN108616179A (en) * | 2018-07-18 | 2018-10-02 | 珠海格力电器股份有限公司 | A kind of damping rotor and its motor |
| CN108616179B (en) * | 2018-07-18 | 2020-05-12 | 珠海格力电器股份有限公司 | Shock attenuation rotor and motor thereof |
| CN111817616A (en) * | 2020-07-10 | 2020-10-23 | 上海钧正网络科技有限公司 | Motor control method and device |
| DE102021214732A1 (en) | 2021-12-20 | 2023-06-22 | Rolls-Royce Deutschland Ltd & Co Kg | Electrical machine with a multi-part coupling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102315744B (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102315744A (en) | Motor rotor system | |
| CN201708673U (en) | Motor rotor system | |
| US9735658B2 (en) | Motor with multiple-pole sensing plate | |
| US9013074B2 (en) | Resilient rotor assembly for interior permanent magnet motor | |
| US8853901B2 (en) | Motor rotor system having a magnetic ring bracket | |
| EP2701300A1 (en) | Motor control system, motor control device and brushless motor | |
| JP2008167648A5 (en) | ||
| EP2533019A2 (en) | System and method for providing control of an electric motor using inductive rotary sensor | |
| US9785156B2 (en) | Motor control system, method, and device for changing control software for a vehicle cooling blower | |
| US9793844B2 (en) | Permanent magnet motor controller | |
| KR20130067218A (en) | Motor | |
| US8587172B2 (en) | Sensor fastening method and sensor fastening frame for use therewith | |
| CN202395571U (en) | Outer-rotor direct-current brushless motor | |
| JP6258990B2 (en) | Motor drive device | |
| JP2008199746A (en) | Electric drive unit | |
| CN106887937B (en) | A kind of low commutation torque ripple brshless DC motor | |
| CN202178695U (en) | Permanent magnet brushless DC motor | |
| JP2008163904A (en) | Cooling system and noise reducing method of cooling system | |
| CN205666746U (en) | Outer rotor brushless DC motor | |
| US8754598B2 (en) | Motor drive apparatus for brushless motor | |
| JP2009055776A5 (en) | ||
| JP2007516685A (en) | Fan for alternator and starter | |
| CN2912094Y (en) | Brushless d.c. dynamo with external Hall element | |
| CN202535244U (en) | Permanent-magnet brushless motor with rotor positioning device | |
| RU2704965C1 (en) | Detection device and a detection method for detecting the number of revolutions of a sensor-free epb-electric motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |