CN202384969U - Hybrid excitation synchronous motor having high power density - Google Patents

Hybrid excitation synchronous motor having high power density Download PDF

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Publication number
CN202384969U
CN202384969U CN2011204225190U CN201120422519U CN202384969U CN 202384969 U CN202384969 U CN 202384969U CN 2011204225190 U CN2011204225190 U CN 2011204225190U CN 201120422519 U CN201120422519 U CN 201120422519U CN 202384969 U CN202384969 U CN 202384969U
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CN
China
Prior art keywords
permanent magnet
salient pole
rotor
synchronous motor
power density
Prior art date
Application number
CN2011204225190U
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Chinese (zh)
Inventor
项峰
赵朝会
曹书豪
陈垒
袁龙生
张迪
Original Assignee
上海电机学院
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Priority to CN2011204225190U priority Critical patent/CN202384969U/en
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Publication of CN202384969U publication Critical patent/CN202384969U/en

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Abstract

The utility model relates to the technical field of motor, and especially relates to a hybrid excitation synchronous motor. The hybrid excitation synchronous motor comprises a stator and a rotor; wherein the rotor is arranged in the stator, air gaps are provided between the stator and the rotor; the rotor comprises a rotor core and exciting windings, the rotor core comprises first salient poles and second salient poles, the first salient poles and the second salient poles are all arranged outside the rotor core and are arranged alternately; the each first salient pole comprises first type of permanent magnets and a second type of permanent magnet, the first type of permanent magnets and the second type of permanent magnet are embedded in the first salient pole; and the exciting windings are wound on the second salient poles. The hybrid excitation synchronous motor of the utility model has the beneficial effects that: by adopting an excitation way combining permanent magnet excitation with electrical excitation, the hybrid excitation synchronous motor integrates advantages of a permanent magnet motor and an electrically excited motor, therefore, magnitude of an air-gap magnetic field can be adjusted through adjustment of the electrical excitation; in addition, the hybrid excitation synchronous motor of the utility model mixes and matches radial-magnetizing permanent magnets and tangential-magnetizing permanent magnets, thereby further raising a power density of the motor.

Description

A kind of hybrid exciting synchronous motor with high power density
Technical field
The utility model relates to technical field of motors, relates in particular to a kind of hybrid exciting synchronous motor with high power density.
Background technology
Common hybrid exciting synchronous motor comprises series connection magnetic potential formula hybrid exciting synchronous motor etc.Wherein, Immediate with the utility model is that the magnetic potential formula hybrid exciting synchronous motor (referring to Fig. 1) of connecting is placed with the permanent magnet 200 of radial magnetizing forever at rotor surface; Excitation winding 201 be placed in rotor permanent magnet 200 below; Through regulating the size and Orientation of exciting current, regulate the air-gap field size, realize composite excitation.The connect electric excitation magnetomotive force of magnetic potential formula hybrid exciting synchronous motor of Fig. 1 directly acts on permanent magnet, and irreversible demagnetization takes place easily, and the power density in magnetic field is less.
The utility model content
The purpose of the utility model is to overcome the deficiency that prior art exists, and a kind of hybrid exciting synchronous motor with high power density is provided.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of hybrid exciting synchronous motor with high power density; Comprise stator and rotor; Said rotor is arranged in the stator, has air gap between said stator and the rotor, and said rotor comprises rotor core and excitation winding; Said rotor core comprises first salient pole and second salient pole, and said first salient pole and second salient pole all place the outside of said rotor core and alternately arrange; Said first salient pole comprises the first kind permanent magnet and the second type permanent magnet, and the said first kind permanent magnet and the second type permanent magnet are embedded in first salient pole; Said excitation winding is looped around on second salient pole.
Comprise two first kind permanent magnets and one second type permanent magnet in said first salient pole; Said two first kind permanent magnets become the minute surface symmetric relation with respect to said one second type permanent magnet; At angle, the position of the said second type permanent magnet is perpendicular to the radius of said rotor between said two first kind permanent magnets and said one the second type permanent magnet.
Described first kind permanent magnet is the permanent magnet of cutting orientation magnetizing, and the said second type permanent magnet is the permanent magnet of radial magnetizing.
The quantity of first salient pole in the said rotor core and the quantity of second salient pole are two or four or six or eight or ten.
Said stator comprises stator core, armature tooth, armature teeth groove and armature winding; Said armature teeth groove is arranged at the inboard of stator core; Said armature tooth is arranged in the armature teeth groove; Said armature winding is looped around in the armature tooth.
Said armature teeth groove is a salient pole teeth groove structure.
A kind of good effect with hybrid exciting synchronous motor of high power density of the utility model is:
(1) excitation mode that has adopted permanent magnet excitation and electric excitation to combine has the advantage of magneto and electro-magnetic motor concurrently;
(2) big or small through the adjusting scalable air-gap field of electric excitation;
(3) magnetic field power density further is provided, can be widely used in fields such as power industry, transportation.
Description of drawings
Fig. 1 is the sectional view of series connection magnetic potential formula hybrid exciting synchronous motor in the prior art;
Fig. 2 is a kind of sectional view with hybrid exciting synchronous motor embodiment of high power density of the utility model.
Label among the figure is respectively:
200, permanent magnet; 201, excitation winding;
131, rotor core; 132, rotating shaft; 133, stator core; 134, armature winding; 135, first air gap; 136, excitation winding; 137, interstice; 138 first kind permanent magnet A; 139, the second type permanent magnet; 140, first kind permanent magnet B; 142, first salient pole; 141, second salient pole.
Embodiment
Below in conjunction with accompanying drawing a kind of embodiment with hybrid exciting synchronous motor of high power density of the utility model is elaborated.
Referring to Fig. 2.A kind of hybrid exciting synchronous motor with high power density comprises stator and rotor two parts.Said stator comprises stator core, armature tooth and is surrounded on the armature winding on this armature tooth that said stator core forms by silicon steel plate stacking; The armature teeth groove is arranged at the stator core inboard, is salient pole teeth groove structure; Armature tooth is arranged in the armature teeth groove.Said rotor comprises rotating shaft 132, rotor core and excitation winding.Rotor core comprises first salient pole 142 and second salient pole 141, and said first salient pole 142 and second salient pole 141 all place the outside of said rotor core and alternately arrange; Said first salient pole 142 comprises the first kind permanent magnet and the second type permanent magnet, and the said first kind permanent magnet and the second type permanent magnet are embedded in first salient pole 142; Said excitation winding is looped around on second salient pole 141.Wherein first kind permanent magnet is the permanent magnet of cutting orientation magnetizing, and the said second type permanent magnet is the permanent magnet of radial magnetizing; Excitation winding 136 is looped around on second salient pole 141.First salient pole, 142 corresponding air gaps are that first air gap, 135, the second salient poles, 141 corresponding air gaps are interstice 137.
The quantity of first salient pole 142 in the said rotor core and the quantity of second salient pole 141 are two or four or six or eight or ten.As preferred embodiment, the quantity of first salient pole 142 described in the present embodiment in the rotor core and the quantity of second salient pole 141 are all chosen four.
Comprise first kind permanent magnet A138, first kind permanent magnet B140 and one second type permanent magnet 139 in said first salient pole 142; Said first kind permanent magnet A 138, first kind permanent magnet B 140 are with respect to 139 one-tenth minute surface symmetric relations of the second type permanent magnet; First kind permanent magnet A138, first kind permanent magnet B140 form an angle with the second type permanent magnet 139 respectively, and the position of the second type permanent magnet 139 is perpendicular to the radius of said rotor.
The utility model a kind of has the hybrid exciting synchronous motor of high power density when unloaded, and the main flux in the air gap is made up of two parts:
(1) have only permanent magnet part magnetic flux: first kind permanent magnet A138 and first kind permanent magnet B 140 and the second type permanent magnet 139 magnetize and make near first salient pole 142 and to form first magnetic field; First magnetic field is via first air gap 135; To stator core; Second salient pole 141 that arrives in the rotor core 131 along interstice 137 again forms a flux circuit.
(2) all magnetic flux: first kind permanent magnet A 138 and first kind permanent magnet B 140 and the second type permanent magnet 139 magnetize and make near formation first magnetic field first salient pole 142 for permanent magnet part and electric excitation part; First magnetic field is via first air gap 135, to stator core; Excitation winding 136 passes to exciting current, then near second salient pole 141, produces second magnetic field; First magnetic field and second magnetic field is synthetic the 3rd magnetic field in interstice 137; The 3rd magnetic field arrives second salient pole 141 in the rotor core 131 again, forms a flux circuit.When the magnetic direction in the magnetic direction in second magnetic field and first magnetic field was identical, air-gap field increased in the motor; In certain exciting current scope, when the magnetic direction in the magnetic direction in second magnetic field and first magnetic field was opposite, the air-gap field in the motor reduced, and therefore the size and Orientation through regulating exciting current is with regard to scalable air-gap field, control output voltage easily.
In the technical scheme of the utility model, permanent magnet adopts radial magnetizing and cutting orientation magnetizing to want to combine.Owing to adopted permanent magnet and the common excitation of excitation winding, can regulate exciting current and regulate output voltage, had high efficiency that Adjustable Output Voltage saves property and magneto concurrently.Excitation winding and permanent magnet are in the time of acting in conjunction; The magnetic field major part is produced by permanent magnet, and excitation winding can be used as auxiliary adjusting device, and the exciting current during the motor operate as normal in the excitation winding can be zero; Excitation winding is consumed power not; When load variations, suitable adding exciting current is regulated air-gap field, so the utility model is a kind of energy-saving motor.The utlity model has that efficient height, motor low-speed performance are good, advantage such as the voltage-regulation performance of excitation winding and high power density.
Above-described only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.

Claims (6)

1. hybrid exciting synchronous motor with high power density; Comprise stator and rotor, said rotor is arranged in the stator, has air gap between said stator and the rotor; It is characterized in that; Said rotor comprises rotor core and excitation winding, and said rotor core comprises first salient pole and second salient pole, and said first salient pole and second salient pole all place the outside of said rotor core and alternately arrange; Said first salient pole comprises the first kind permanent magnet and the second type permanent magnet, and the said first kind permanent magnet and the second type permanent magnet are embedded in first salient pole; Said excitation winding is looped around on second salient pole.
2. a kind of hybrid exciting synchronous motor with high power density according to claim 1 is characterized in that, comprises two first kind permanent magnets and one second type permanent magnet in said first salient pole; Said two first kind permanent magnets become the minute surface symmetric relation with respect to said one second type permanent magnet; At angle, the position of the said second type permanent magnet is perpendicular to the radius of said rotor between said two first kind permanent magnets and said one the second type permanent magnet.
3. a kind of hybrid exciting synchronous motor with high power density according to claim 1 is characterized in that described first kind permanent magnet is the permanent magnet of cutting orientation magnetizing, and the said second type permanent magnet is the permanent magnet of radial magnetizing.
4. a kind of hybrid exciting synchronous motor with high power density according to claim 1 is characterized in that, the quantity of first salient pole in the said rotor core and the quantity of second salient pole are two or four or six or eight or ten.
5. a kind of hybrid exciting synchronous motor with high power density according to claim 1 is characterized in that said stator comprises stator core, armature tooth, armature teeth groove and armature winding; Said armature teeth groove is arranged at the inboard of stator core; Said armature tooth is arranged in the armature teeth groove; Said armature winding is looped around in the armature tooth.
6. a kind of hybrid exciting synchronous motor with high power density according to claim 5 is characterized in that, said armature teeth groove is a salient pole teeth groove structure.
CN2011204225190U 2011-10-31 2011-10-31 Hybrid excitation synchronous motor having high power density CN202384969U (en)

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Application Number Priority Date Filing Date Title
CN2011204225190U CN202384969U (en) 2011-10-31 2011-10-31 Hybrid excitation synchronous motor having high power density

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Application Number Priority Date Filing Date Title
CN2011204225190U CN202384969U (en) 2011-10-31 2011-10-31 Hybrid excitation synchronous motor having high power density

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CN202384969U true CN202384969U (en) 2012-08-15

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103887910A (en) * 2014-04-10 2014-06-25 山东理工大学 Electromagnet and permanent magnet composite excitation electric vehicle driving motor
CN105743253A (en) * 2016-05-12 2016-07-06 张学义 Claw-pole permanent magnet and salient pole electric excitation hybrid generator used for automobile
CN105743246A (en) * 2016-05-12 2016-07-06 张学义 Electric automobile range extender embedded biradial permanent magnet and electromagnetic series-parallel generator
CN105790472A (en) * 2016-05-11 2016-07-20 山东理工大学 Electromagnetic and embedded combined-type permanent magnet series-parallel generator
CN105811713A (en) * 2016-05-12 2016-07-27 张学义 Electromagnetic generator with invisible magnetic poles and salient poles for electric automobile extender
CN105811688A (en) * 2016-05-12 2016-07-27 张学义 Production method for rotor of electromagnetic generator with invisible magnetic poles and salient poles
CN105811715A (en) * 2016-05-12 2016-07-27 张学义 Brushless electromagnetic generator equipped with built-in combined type radial permanent magnet rotor and dual claw poles
CN105846617A (en) * 2016-05-13 2016-08-10 山东理工大学 Production method of electromagnetic and dual-radial permanent magnetic invisible magnetic pole driving motor rotor
CN105846576A (en) * 2016-05-13 2016-08-10 山东理工大学 Permanent magnet invisible magnetic pole and salient pole electromagnetic composite excitation generator
CN105896849A (en) * 2016-05-12 2016-08-24 张学义 Parallel magnetic circuit hybrid excitation driving motor rotor generating method
CN105914991A (en) * 2016-05-11 2016-08-31 山东理工大学 Electromagnetic and invisible combined permanent magnetic pole mixed excitation generator
CN105914996A (en) * 2016-05-13 2016-08-31 山东理工大学 Biradial permanent magnet generator and vacuum pump integrated device
CN105914994A (en) * 2016-05-12 2016-08-31 张学义 Electric automobile electromagnetic and built-in permanent magnetism invisible magnetic pole driving motor
CN105915001A (en) * 2016-05-13 2016-08-31 山东理工大学 Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor
CN105914999A (en) * 2016-05-13 2016-08-31 山东理工大学 Electromagnet and built-in permanent magnet mixed excitation generating set with vacuum pump
CN105914997A (en) * 2016-05-13 2016-08-31 山东理工大学 Electric automobile electromagnetic and built-in combined radial permanent magnet driving motor
CN105958755A (en) * 2016-05-12 2016-09-21 张学义 Production method of invisible magnetic pole and electromagnetism driving motor rotor
CN105958781A (en) * 2016-05-12 2016-09-21 张学义 Salient-pole electromagnetism and invisible magnetic pole hybrid excitation power generation device
CN105958752A (en) * 2016-05-11 2016-09-21 山东理工大学 Method of producing built-in combined permanent magnetic pole and electromagnetic composite excitation generator rotor
CN105958778A (en) * 2016-05-11 2016-09-21 山东理工大学 Permanent-magnetic invisible magnetic pole and brushless electromagnetic series-parallel generator
CN105978283A (en) * 2016-05-13 2016-09-28 山东理工大学 Embedded biradial permanent-magnet invisible magnetic pole and claw pole electromagnetic hybrid generator
CN105978280A (en) * 2016-05-13 2016-09-28 山东理工大学 Salient electromagnetic pole and permanent-magnet invisible magnetic pole mixed excitation power generation device with vacuum pump
CN106026591A (en) * 2016-05-16 2016-10-12 南昌大学 Hybrid excitation permanent magnet motor with double excitation windings
CN106026590A (en) * 2016-05-13 2016-10-12 山东理工大学 Claw pole electromagnet and built-in permanent magnet series-parallel generator
CN106026458A (en) * 2016-05-13 2016-10-12 山东理工大学 Combined radial permanent magnet and electromagnet series-parallel generation device for automobiles
CN110855198A (en) * 2019-11-05 2020-02-28 哈尔滨工程大学 Power generation device simultaneously using solar energy and wind energy
DE102019132651A1 (en) * 2019-12-02 2021-06-02 Bayerische Motoren Werke Aktiengesellschaft Electric hybrid synchronous machine with alternating electric and permanent magnetic rotor pole excitation and motor vehicle

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103887910A (en) * 2014-04-10 2014-06-25 山东理工大学 Electromagnet and permanent magnet composite excitation electric vehicle driving motor
CN105914991A (en) * 2016-05-11 2016-08-31 山东理工大学 Electromagnetic and invisible combined permanent magnetic pole mixed excitation generator
CN105958752A (en) * 2016-05-11 2016-09-21 山东理工大学 Method of producing built-in combined permanent magnetic pole and electromagnetic composite excitation generator rotor
CN105790472A (en) * 2016-05-11 2016-07-20 山东理工大学 Electromagnetic and embedded combined-type permanent magnet series-parallel generator
CN105958778A (en) * 2016-05-11 2016-09-21 山东理工大学 Permanent-magnetic invisible magnetic pole and brushless electromagnetic series-parallel generator
CN105811688A (en) * 2016-05-12 2016-07-27 张学义 Production method for rotor of electromagnetic generator with invisible magnetic poles and salient poles
CN105811715A (en) * 2016-05-12 2016-07-27 张学义 Brushless electromagnetic generator equipped with built-in combined type radial permanent magnet rotor and dual claw poles
CN105811713A (en) * 2016-05-12 2016-07-27 张学义 Electromagnetic generator with invisible magnetic poles and salient poles for electric automobile extender
CN105743246A (en) * 2016-05-12 2016-07-06 张学义 Electric automobile range extender embedded biradial permanent magnet and electromagnetic series-parallel generator
CN105896849A (en) * 2016-05-12 2016-08-24 张学义 Parallel magnetic circuit hybrid excitation driving motor rotor generating method
CN105743253A (en) * 2016-05-12 2016-07-06 张学义 Claw-pole permanent magnet and salient pole electric excitation hybrid generator used for automobile
CN105958781A (en) * 2016-05-12 2016-09-21 张学义 Salient-pole electromagnetism and invisible magnetic pole hybrid excitation power generation device
CN105914994A (en) * 2016-05-12 2016-08-31 张学义 Electric automobile electromagnetic and built-in permanent magnetism invisible magnetic pole driving motor
CN105958755A (en) * 2016-05-12 2016-09-21 张学义 Production method of invisible magnetic pole and electromagnetism driving motor rotor
CN105914999A (en) * 2016-05-13 2016-08-31 山东理工大学 Electromagnet and built-in permanent magnet mixed excitation generating set with vacuum pump
CN105914997A (en) * 2016-05-13 2016-08-31 山东理工大学 Electric automobile electromagnetic and built-in combined radial permanent magnet driving motor
CN105915001A (en) * 2016-05-13 2016-08-31 山东理工大学 Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor
CN105914996A (en) * 2016-05-13 2016-08-31 山东理工大学 Biradial permanent magnet generator and vacuum pump integrated device
CN105846576A (en) * 2016-05-13 2016-08-10 山东理工大学 Permanent magnet invisible magnetic pole and salient pole electromagnetic composite excitation generator
CN105846617A (en) * 2016-05-13 2016-08-10 山东理工大学 Production method of electromagnetic and dual-radial permanent magnetic invisible magnetic pole driving motor rotor
CN105978283A (en) * 2016-05-13 2016-09-28 山东理工大学 Embedded biradial permanent-magnet invisible magnetic pole and claw pole electromagnetic hybrid generator
CN105978280A (en) * 2016-05-13 2016-09-28 山东理工大学 Salient electromagnetic pole and permanent-magnet invisible magnetic pole mixed excitation power generation device with vacuum pump
CN106026458A (en) * 2016-05-13 2016-10-12 山东理工大学 Combined radial permanent magnet and electromagnet series-parallel generation device for automobiles
CN106026590A (en) * 2016-05-13 2016-10-12 山东理工大学 Claw pole electromagnet and built-in permanent magnet series-parallel generator
CN106026591A (en) * 2016-05-16 2016-10-12 南昌大学 Hybrid excitation permanent magnet motor with double excitation windings
CN106026591B (en) * 2016-05-16 2018-07-17 南昌大学 Hybrid excitation permanent magnet motor with double Exciting Windings for Transverse Differential Protection
CN110855198A (en) * 2019-11-05 2020-02-28 哈尔滨工程大学 Power generation device simultaneously using solar energy and wind energy
DE102019132651A1 (en) * 2019-12-02 2021-06-02 Bayerische Motoren Werke Aktiengesellschaft Electric hybrid synchronous machine with alternating electric and permanent magnetic rotor pole excitation and motor vehicle

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120815

Termination date: 20121031