CN112769272A - 正弦无刷永磁电机 - Google Patents
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- -1 neodymium-iron-boron rare earth Chemical class 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000013585 weight reducing agent Substances 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005457 optimization Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- 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
-
- 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
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/04—Balancing means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
本发明涉及一种正弦无刷永磁电机,包括定子模组和转子模组,定子模组套设在转子模组的外围,定子模组包括非引线侧骨架、定子铁芯、定子绕组和引线侧骨架,非引线侧骨架和引线侧骨架分别安装在定子铁芯的两端,定子铁芯的内侧均匀分布若干齿,且齿的内侧为弧形结构,两个相邻的齿之间为齿槽,齿槽内卡入定子绕组;转子模组包括平衡块、转子端板、转子铁芯和电磁块,电磁块插入转子铁芯内,转子铁芯两端顺序设置转子端板和平衡块,转子端板、平衡块和转子铁芯通过铆钉固定连接。本发明正弦无刷永磁电机,对电机转子磁钢宽度和转子轭部分进行结构设计和优化,提高了电机的性能及其抗干扰能力。
Description
技术领域
本发明涉及磁电机领域,具体涉及一种正弦无刷永磁电机。
背景技术
在石油能源严重紧缺、节能呼声日益高涨的背景下,新能源汽车研究项目日益高涨,从2009年起,中国新能源汽车市场将进入产品导入期,节能与新能源汽车大规模推广应用工程全面启动。新能源汽车将在我国一批中心城市全面开花,并有望形成一定规模。各家汽车企业都希望能够占据先机,从日益膨胀的新能源汽车市场中分到更大的一块蛋糕。作为新能源汽车部件,高性能永磁电机的研发具有重要意义。
发明内容
本发明的目的在于提供一种正弦无刷永磁电机,用以提供高性能的永磁电机。
本发明提供了一种正弦无刷永磁电机,包括定子模组和转子模组,所述定子模组套设在转子模组的外围,所述定子模组包括非引线侧骨架、定子铁芯、定子绕组和引线侧骨架,所述非引线侧骨架和引线侧骨架分别安装在定子铁芯的两端,所述定子铁芯的内侧均匀分布若干齿,所述齿为T型结构,且所述齿的内侧为弧形结构,所有的齿的内侧弧形结构组成定子铁芯的内径,两个相邻的齿之间为齿槽,所述齿槽内卡入定子绕组;所述转子模组包括平衡块、转子端板、转子铁芯和电磁块,所述电磁块插入转子铁芯内,所述转子铁芯两端顺序设置转子端板和平衡块,所述转子端板、平衡块和转子铁芯通过铆钉固定连接。
进一步的,所述非引线侧骨架和引线侧骨架均为PBT/PBS树脂材料注塑一体成型结构,所述定子铁芯的两端设置安装孔位,所述非引线侧骨架和引线侧骨架分别通过卡点卡扣在定子铁芯的安装孔位上。
进一步的,所述定子铁芯和转子铁芯均通过若干硅钢片卡扣叠成。
进一步的,所述电磁块的材质为钕铁錋稀土磁钢。
进一步的,所述转子铁芯及转子端板、平衡块的的对应位置均设置开孔,用于减重和通风冷却。
采用上述本发明技术方案的有益效果是:
本发明正弦无刷永磁电机,对电机转子磁钢宽度和转子轭部分进行结构设计和优化,提高了电机的性能及其抗干扰能力。
附图说明
图1为本发明正弦无刷永磁电机定子模组结构示意图;
图2为本发明正弦无刷永磁电机定子模组爆炸图;
图3为本发明正弦无刷永磁电机转子模组结构示意图;
图4为本发明正弦无刷永磁电机转子模组爆炸图;
图5为本发明正弦无刷永磁电机结构布局图;
图6为本发明正弦无刷永磁电机磁路分析图;
图7为本发明正弦无刷永磁电机反电势波形图;
图8为本发明正弦无刷永磁电机齿槽力矩分析图;
图9为本发明正弦无刷永磁电机效率MAP图;
附图中,各标号所代表的部件列表如下:
1-定子模组,2-转子模组,11-非引线侧骨架,12-定子铁芯,13-定子绕组,14-引线侧骨架,15-齿,16-安装孔位,21-平衡块,22-转子端板,23-转子铁芯,24-电磁块,25-铆钉,26-开孔。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。
如图1-5所示,本发明提供了一种正弦无刷永磁电机,包括定子模组1和转子模组2,所述定子模组1套设在转子模组2的外围,所述定子模组1包括非引线侧骨架11、定子铁芯12、定子绕组13和引线侧骨架14,所述非引线侧骨架11和引线侧骨架14分别安装在定子铁芯12的两端,所述定子铁芯12的内侧均匀分布若干齿15,所述齿15为T型结构,且所述齿15的内侧为弧形结构,所有的齿15的内侧弧形结构组成定子铁芯12的内径,两个相邻的齿15之间为齿槽,所述齿槽内卡入定子绕组13;所述转子模组2包括平衡块21、转子端板22、转子铁芯23和电磁块24,所述电磁块24插入转子铁芯23内,所有的电磁块组成多边形结构,所述转子铁芯23两端顺序设置转子端板22和平衡块21,所述转子端板22、平衡块21和转子铁芯23通过铆钉25固定连接。
该实施例中,对电机的气隙磁场进行结构优化设计,包含定子齿轭部结构及转子布局结构,定子内径采用非均匀不等圆形设计,转子采用非均匀不等气隙设计;根据实验对比数据分析析电机直轴交轴同步电抗,分析电机的电磁转矩和磁阻转矩,为提高电机在波动负载下的抗干扰能力,对电机转子磁钢宽度和转子轭部分进行结构设计和优化,提高电机的性能及其抗干扰能力;电机的磁密分析图如图6所示,齿部磁密1.73T左右,厄部磁密1.12T左右;电机反电势波形图如图7所示,反电势波形平缓;电机齿槽力矩分析图如图8所示,齿槽转矩较小;电机效率MAP图如图9所示。
具体的,所述非引线侧骨架11和引线侧骨架均为PBT/PBS树脂材料注塑一体成型结构,所述定子铁芯12的两端设置安装孔位16,所述非引线侧骨架11和引线侧骨架14分别通过卡点卡扣在定子铁芯12的安装孔位16上。
具体的,所述定子铁芯12和转子铁芯23均通过若干硅钢片卡扣叠成,减少由交变磁势引起的涡流和磁滞损耗。
具体的,所述电磁块24的材质为钕铁錋稀土磁钢。
具体的,所述转子铁芯23及转子端板22、平衡块21的的对应位置均设置开孔26,用于减重和通风冷却。
综上,本发明正弦无刷永磁电机,对电机转子磁钢宽度和转子轭部分进行结构设计和优化,提高了电机的性能及其抗干扰能力。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。
Claims (5)
1.一种正弦无刷永磁电机,其特征在于,包括定子模组和转子模组,所述定子模组套设在转子模组的外围,所述定子模组包括非引线侧骨架、定子铁芯、定子绕组和引线侧骨架,所述非引线侧骨架和引线侧骨架分别安装在定子铁芯的两端,所述定子铁芯的内侧均匀分布若干齿,所述齿为T型结构,且所述齿的内侧为弧形结构,所有的齿的内侧弧形结构组成定子铁芯的内径,两个相邻的齿之间为齿槽,所述齿槽内卡入定子绕组;所述转子模组包括平衡块、转子端板、转子铁芯和电磁块,所述电磁块插入转子铁芯内,所述转子铁芯两端顺序设置转子端板和平衡块,所述转子端板、平衡块和转子铁芯通过铆钉固定连接。
2.根据权利要求1所述的正弦无刷永磁电机,其特征在于,所述非引线侧骨架和引线侧骨架均为PBT/PBS树脂材料注塑一体成型结构,所述定子铁芯的两端设置安装孔位,所述非引线侧骨架和引线侧骨架分别通过卡点卡扣在定子铁芯的安装孔位上。
3.根据权利要求1所述的正弦无刷永磁电机,其特征在于,所述定子铁芯和转子铁芯均通过若干硅钢片卡扣叠成。
4.根据权利要求1所述的正弦无刷永磁电机,其特征在于,所述电磁块的材质为钕铁錋稀土磁钢。
5.根据权利要求1所述的正弦无刷永磁电机,其特征在于,所述转子铁芯及转子端板、平衡块的的对应位置均设置开孔,用于减重和通风冷却。
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