CN103560617B - 电动自行车磁性橡胶车轮电机 - Google Patents

电动自行车磁性橡胶车轮电机 Download PDF

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CN103560617B
CN103560617B CN201310492013.0A CN201310492013A CN103560617B CN 103560617 B CN103560617 B CN 103560617B CN 201310492013 A CN201310492013 A CN 201310492013A CN 103560617 B CN103560617 B CN 103560617B
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iron core
magnetic
electric bicycle
permanent magnetism
hall element
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CN103560617A (zh
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车晋绥
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Zhejiang Xitang Industry Co ltd
Yangzhou Junrui Enterprise Management Co Ltd
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Abstract

本发明是一种用于电动自行车电机，尤其有重量轻、造价低的电动自行车磁性橡胶车轮电机，它包括半圆定子、车轮转子、撑杆、霍尔传感器，半圆定子包括铁芯、线包，车轮转子包括永磁胶胎、泡沫内胎、钢圈、轴，半圆定子装在车轮转子上面，用撑杆与车轮转子轴连接固定，铁芯用导磁橡胶制成半圆环形状，在铁芯上设有多个凸磁极，线包装在磁极上，钢圈中心设有轴，钢圈外圆连接泡沫内胎和永磁胶胎，永磁胶胎外圆面上设有多对N.S磁极，霍尔传感器装在铁芯上。这种电动自行车磁性橡胶车轮电机，具有重量轻，省电，行驶距离就远。造价还低等优点。

Description

电动自行车磁性橡胶车轮电机
技术领域
本发明涉及一种用于电动自行车的电机，尤其有重量轻、成本低的电动自行车磁性橡胶车轮电机。
背景技术
目前尚无相关技术。已有电动自行车电机，都是采用单独直流永磁电机与车轮连在一起，这种电机它由永磁体定子、电枢转子、碳刷、外壳等组成。存在加工复杂，硅钢片，永磁材料重量大，成本高的不足。
发明内容
为了克服已有电动自行车电机存在重量大造价高的不足，本发明的目的提供一种有重量轻，造价低的电动自行车磁性橡胶车轮电机。
本发明解决问题所采用的技术方案是：它包括半圆定子、车轮转子、撑杆、霍尔传感器，半圆定子包括铁芯、线包，车轮转子包括永磁胶胎、泡沫内胎、钢圈、轴，半圆定子装在车轮转子上方，用撑杆与车轮转子轴连接固定。铁芯用导磁橡胶制成半圆环形状，在铁芯上设有多个凸磁极，线包装在磁极上，钢圈中心设有轴，钢圈外圆连接泡沫内胎和永磁胶胎，永磁胶胎外圆面上设有多对N.S磁极，霍尔传感器装在铁芯上。本电机半圆定子相当传统电动车的后轮挡水板，使用时半圆定子和车轮转子与车架连接，多只线包与电子换向器输出电连接，霍尔传感器输出与电子换向器输入电连接。当多只线包通电后在多个对称磁极上产生N.S磁场，与永磁胶胎上相对称N.S磁极相同时，产生斥力将车轮转子转动，当转到永磁胶胎上磁极为S.N极性时，霍尔传感器输出高电平，去驱动电子换向器，改变多只线包电源极性与永磁胶胎S.N相同，继续产生斥力，重复上述换向使车轮转子连续旋转。因本磁性材料都采用磁性橡胶具有比重轻、价廉，一次成形不要金加工，本半圆定子采用半圆磁极和多只线包能节省另外半圆线包，从而达到本发明有重量轻造价低的目的。
本发明的有益效果是，有重量轻、造价低，还因重量轻行驶时能省电。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1图2是本发明实施例A-A、B-B相互横剖面图。
图中1、半圆定子1-1、铁芯1-2、线包2、撑杆3、车轮转子3-1、永磁胶胎3-2、泡沫内胎3-3、钢圈3-4、轴4、霍尔传感器
具体实施方式
在图1、2所示的实施例中，半圆定子1它由半圆环形导磁橡胶制成的铁芯1-1和线包1-2组成。半圆环形铁芯1-1上设有多个凸磁极，多只线包1-2分别装在多个磁极上，多只线包1-2串联电连接。车轮转子3它由永磁胶胎3-1、泡沫内胎3-2、钢圈3-3、轴3-4组成，永磁胶胎3-1用磁性橡胶制成，外圆面上充磁有多对N.S磁极。半圆定子1装在车轮转子3上面，用多根撑杆2与轴3-2连接固定。霍尔传感器4采用双极性霍尔传感器，霍尔传感器4装在半圆定子1的铁芯1-1上。本磁性橡胶材料用钕铁硼磁粉和橡胶混合浇铸成铁芯1-1和永磁胶胎3-1.因车轮转子3直径大，作用在永磁胶胎3-1的力臂就大，磁场作用面积大，斥力大，扭矩就大。所以本设计只采用半圆多个磁极的斥力，就能满足车轮扭矩。线包1-2和铁芯磁极少重量轻，不要金加工，制造很方便。具有重量轻造价低等优点。
双极性霍尔传感器4有二个输出，当车轮转子3N磁极与霍尔传感器4对牢时，第一个输出为高电平，驱动电子换向器正向电源接通，在半圆定子1多个磁极极性与车轮转子3相对应极性相同时，在多个磁极上产生同性相斥斥力，使车轮转子3旋转；当车轮转子3转到S磁极与霍尔传感器4对牢时，第二个输出为高电平，去驱动电子换向器反向电源接通，同理又产生另一个斥力，这样重复上述过程车轮转子3就连续旋转。电机电源和调速与传统电动自行车一样。

Claims (2)

1.一种电动自行车磁性橡胶车轮电机，它包括半圆定子、车轮转子、撑杆、霍尔传感器，半圆定子包括铁芯、线包，车轮转子包括永磁胶胎、泡沫内胎、钢圈、轴，其特征是：半圆定子装在车轮转子上方，用撑杆与车轮转子轴连接固定，铁芯用导磁橡胶制成半圆环形状，在铁芯上设有多个凸磁极，线包装在磁极上，钢圈中心设有轴，钢圈外圆连接泡沫内胎和永磁胶胎，永磁胶胎外圆面上设有多对N.S磁极，霍尔传感器装在铁芯上。
2.根据权利要求1所述的电动自行车磁性橡胶车轮电机，其特征是：所述霍尔传感器采用双极性霍尔传感器。
CN201310492013.0A 2013-10-10 2013-10-10 电动自行车磁性橡胶车轮电机 Active CN103560617B (zh)

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CN105059462A (zh) * 2015-07-23 2015-11-18 陈伟群 自发电电动辅助动力自行车
CN112953048A (zh) * 2021-02-18 2021-06-11 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） 一种削弱电机电磁激振力的定子结构

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CN101224701A (zh) * 2008-02-15 2008-07-23 任海 一种轮毂电机动力车轮
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