集中励磁的电动车轮毂电机

• Format: Patent
• Language: Chinese
• Published: 22.01.2019
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

本发明提出种集中励磁的电动车轮毂电机，包括定子铁心、外转子铁心、励磁绕组、电枢绕组和轴。外转子铁心的内侧有7个凸极式结构的转子极，转子极的极弧系数等于0.5；定子上有两个绕有励磁绕组的励磁极和4个绕有电枢绕组的电枢极，励磁极和电枢极都是凸极式结构的定子极。两个励磁极相隔180度机械角分布，励磁极的极弧机械角为33.6度；每个励磁极两侧有两个电枢极，电枢极的极弧机械角为25.6度；电枢极和励磁极之间有放置电枢绕组和励磁绕组的定子槽，定子槽槽口机械角为28.7度。本发明电机作为发电机运行时，调节励磁电流即可控制不同转速下的输出电压，可以回收制动能量并给电动车蓄电池充电；作为电动机运行时，调节励磁电流和电枢电流的大小，可以控制所述轮毂电机的输出转矩。 The invention provides an electrombile wheel hub motor with a centralized excitation function. The electrombile wheel hub motor comprises a stator iron core, an outer rotor iron core, excitation windings, armature windings and a shaft, wherein seven rotor poles which are of convex pole type structures are arranged at the inner side of the outer rotor iron core, and the pole-arc coefficient of each rotor pole is 0.5; two excitation poles wound by the excitation windings and four armature poles wound by the armature windings are arranged on the stator, and the excitation poles and the armature poles respectively adopt stator poles which are of convex pole type structures; the two excitation