M366826 五、新型說明： - 【新型所屬之技術領域】 本創作係一種大徑定子鐵芯之結構改良，特別指一 種大徑定子鐵芯之定子齒前端結構係呈矩形，使而可令 一預先製備之連續線圈組直接套入，進而提高生產效率 之定子鐵芯結構創設。 【先前技術】 B 請參考第1圖所示，係現有常見之定子組（1)結 構，由圖中示出，該定子組（1)係具有一由複數個石夕 鋼片所構成之鐵芯（10)，該鐵芯（10)具有一圓軛（101) 並於其上設有複數個等角排列之定子齒（102)，該定子 齒（102)則由一線軸（1021)及設於前端之齒靴部（1022 ) 所構成，復於該些線軸（1021)上繞製線圈組（11)。 目前線圈之繞製主要係利用繞線機並配合適當的模 > - 具，依設計在該些定子齒上依序形成線圈組，然而，在 ' 製作電動機車或電動自行車等輪轂馬達所用較大尺寸 之定子線圈組時，該現有線圈之繞製技術及設備，因規 模太小無法支援製作該較大尺寸之定子線圈組，因此只 能藉用人力以手工繞製的方式生產，故，大徑定子線圈 組的生產過程相當沒有效率，生產成本相對也偏高；此 外，兩相鄰定子齒（102)之齒靴部（ 1022 )間的間隙 3 M366826 略小，在某些情形下需要應用到截面積較大（較粗）的 • 導線，以形成匝數較少的線圈組時，該較粗的導線便難 以通過該些齒靴部（ 1022 )間的小間隙，因此，目前生 產大徑定子線圈的技術仍有值得加以改善的地方。 【新型内容】 有鑑於此，本創作所要解決的問題在於提供一種可 以供預先繞製之連續線圈組方便套設組裝之大徑定子 •鐵芯結構。 為達到上述目的，本創作所提出之技術手段在於提 供一種大徑定子鐵芯之結構改良，該鐵芯係包括一具有 中心圓孔之圓輛部，及設於該圓輛部上等角度平均設置 之複數個定子齒，其特徵在於該定子齒具有一線軸，為 供線圈組設置之部位，該線軸由前端至底部之斷面皆係 呈矩形之設計，使相鄰線轴間之線槽成為全開放狀態， ^ 據此，方便一事先製備之連續線圈組直接套組於該定子 ' 鐵芯之定子齒。 【實施方式】 首先請參考第2圖，係顯示本創作之大徑定子鐵芯 之結構較佳實施例，該鐵芯（2)係屬大尺寸之大徑定 子鐵芯，該鐵芯（2)包括一具有中心圓孔（22)之圓 軛部（21)，及設於該圓軛部（21)上等角度平均設置 4 M366826 之複數個定子齒（23)，其中該定子齒（23)之主要構 形係包含一線轴（231 )，為供線圈組繞設之部位，該線 軸（231)由前端至底部之斷面皆係呈矩形之設計，亦 即無習見定子齒之齒靴部結構，使相鄰線軸（231)間 之線槽（24)成為全開放狀態。 請再參考第3圖所示，藉由本創作定子鐵芯改良結 構之實施，可利用一預先製備完成之連續線圈組（3) 直接依序套入定子齒（23)中（僅以一組做說明），即 可簡單完成定子線圈組之組設；其中該一組連續線圈組 (3)所需之線圈數量及彼此之間的跨線距離，蓋依實 際該鐵芯（2)所設計之定子齒（23)之尺寸、大小間 隙距離而先行製備而成，因此在該些連續線圈組（3) 的跨線距離的限制下，使該些線圈組之套設位置可以取 得簡單之依循，進而輕易完成線圈組之製作。 又，如附件一及附件二所示，係針對習見定子齒具 有齒靴部結構之馬達及依本創作定子結構所製成之馬 達所做之有限元素分析（Finite Element Analysis) 結果，其中所考慮的變動參數即為定子齒端齒靴部構形 之有無，分析兩架構在同樣施予10安培電流的條件 下，其電磁線圈之磁通（B)表現為何，而該磁通量的 飽和程度可從自定子模型所放射出的箭頭顏色及大小 判斷；由附件一發現，有齒靴部結構之馬達，其大部分 5 M366826 電磁_之磁通4大抵已達姊«、（定子_圍為紅 &的部分），_姊的現㈣導致馬達之轉速無法再 提昇，且容^起過熱導致馬達損壞；反觀附件二所示 無齒軌部結構之馬達效能表現，依所顯示顏色對照左侧 磁通量顏色對絲，可知電磁_之磁通量大部分呈現 尚未飽和的狀態，因此該型馬達可以透過提高電㈣― 步得収快_轉效能，且在賴缺失的表現上， 作…、齒秘4的计，已大幅降低磁漏的現象，故本創 之定子鐵芯結構確實改善了習見定子齒具有 構之馬達效能。 ''Ό 综上所述，本創作之大徑定子鐵芯之結構改良，不 僅大幅降低生產大徑定子_之技_度，同時確 高馬達之運轉效能，實已達到預設之目的，實已符合產 .業之需求’爰依法提出專利申請，惟，本創作雖已以兮 述較佳之實施例揭^然其並非㈣限定本_，任二 •熟悉此技藝者’在不脫離本創作之精神和範圍内，當可 能加以潤飾或修改，因此本創作之保護範圍當視後:之 申請專利範圍所界定者為準。 【圖式簡單說明】 第1圖係、習知之定子石夕鋼片外觀示意圖。 第2圖係、本創作之定子鐵芯外觀示意圖。 6 M366826 第3圖 係利用連續線圈組直接組設於本創作之示意圖。 附件一係習見定子鐵芯具有齒靴結構之有限元素分析結果 附件二係本創作定子鐵芯結構之有限元素分析結果 【主要元件符號說明】 1.定子組 10.鐵芯 102.定子齒 101.圓軛 1021.線轴 11.線圈組 2.鐵芯 1022.齒靴部 21.圓軛部 22.中心圓孔 23. 定子齒 24. 線槽 3.連續線圈組 231.線軸M366826 V. New description: - [New technical field] This is a structural improvement of a large-diameter stator core, especially the stator front end structure of a large-diameter stator core is rectangular, so that a The prepared continuous coil group is directly inserted, thereby improving the production efficiency of the stator core structure. [Prior Art] B Please refer to Fig. 1 for the structure of a conventional stator group (1). As shown in the figure, the stator group (1) has an iron composed of a plurality of Shixia steel sheets. a core (10) having a yoke (101) and having a plurality of equiangularly arranged stator teeth (102) thereon, the stator teeth (102) being provided by a bobbin (1021) The toothed shoe portion (1022) at the front end is formed by winding the coil group (11) on the bobbins (1021). At present, the winding of the coil is mainly based on the winding machine and the appropriate molds, and the coil sets are sequentially formed on the stator teeth according to the design, however, in the manufacture of the hub motor such as the electric motor car or the electric bicycle. In the case of a large-sized stator coil group, the winding technology and equipment of the existing coil cannot support the production of the stator coil group of the larger size because the scale is too small, so that it can only be produced by manual winding by means of manpower. The production process of large-diameter stator coil sets is relatively inefficient and the production cost is relatively high; in addition, the gap 3 M366826 between the toothed shoe portions (1022) of two adjacent stator teeth (102) is slightly smaller, and in some cases requires When applied to a larger (thicker) cross-section of a wire to form a coil group with a smaller number of turns, the thicker wire is difficult to pass through a small gap between the toothed portions (1022), thus, currently produced The technology of large-diameter stator coils still has something to be improved. [New content] In view of this, the problem to be solved by the present invention is to provide a large-diameter stator/iron core structure which can be easily assembled and assembled for a pre-wound continuous coil group. In order to achieve the above object, the technical means proposed by the present invention is to provide a structural improvement of a large-diameter stator core, which comprises a round portion having a central circular hole, and an equi-angle average on the round portion. The plurality of stator teeth are disposed, wherein the stator teeth have a bobbin, which is a portion for the coil group, and the cross section of the bobbin from the front end to the bottom is a rectangular design, so that the trough between the adjacent bobbins In this state, it is convenient to prepare a continuous coil set prepared in advance to be directly assembled to the stator teeth of the stator core. [Embodiment] Referring first to FIG. 2, a preferred embodiment of the structure of the large-diameter stator core of the present invention is shown. The iron core (2) is a large-diameter large-diameter stator core, and the core (2) a yoke portion (21) having a central circular hole (22), and a plurality of stator teeth (23) disposed on the yoke portion (21) at an equal average angle of 4 M366826, wherein the stator teeth (23) The main configuration includes a bobbin (231), which is a portion for winding the coil group. The cross section of the bobbin (231) from the front end to the bottom is rectangular, that is, the tooth shoe without the stator teeth. The structure is such that the wire groove (24) between adjacent bobbins (231) is fully open. Referring to FIG. 3 again, by implementing the improved structure of the stator core, a pre-prepared continuous coil set (3) can be directly inserted into the stator teeth (23) in sequence (only in one set) Description), the assembly of the stator coil set can be simply completed; the number of coils required for the set of continuous coil sets (3) and the span distance between them are designed according to the actual core (2) The stator teeth (23) are prepared by the size and the gap distance of the stator teeth. Therefore, under the limitation of the span distance of the continuous coil groups (3), the sleeve positions of the coil groups can be simply followed. The coil set is easily completed. Moreover, as shown in Annexes 1 and 2, the results of the Finite Element Analysis performed on the motor having the toothed shoe structure of the stator tooth and the motor made by the stator structure of the present invention are considered. The variation parameter is the presence or absence of the configuration of the toothed end of the stator tooth. Analyze the magnetic flux (B) of the electromagnetic coil under the condition that the same structure is applied with 10 amps of current, and the saturation of the magnetic flux can be from Judging from the color and size of the arrow emitted by the stator model; as found in Annex I, the motor with the toothed boot structure, most of the 5 M366826 electromagnetic _ magnetic flux 4 has reached 姊«, (stator_circle is red & part), _ 姊 现 (4) caused the motor speed can not be increased, and the overheating caused the motor damage; in contrast, the motor performance of the non-toothed rail structure shown in Annex II, according to the color displayed The color of the magnetic flux is on the wire. It can be seen that most of the magnetic flux of the electromagnetic _ is in an unsaturated state, so the motor can improve the electric (four)-step fast-transfer performance, and the missing table On ... as teeth secret meter 4, the phenomenon has been significantly reduced flux leakage, so the record structure of the stator core does improve the conventional motor having a stator teeth see configuration of efficacy. ''In summary, the structural improvement of the large-diameter stator core of this creation not only greatly reduces the production of large-diameter stators, but also ensures the high-efficiency operation of the motor, which has achieved the preset purpose. Has met the needs of the industry. 'The patent application has been filed according to law. However, this creation has been disclosed as a better example. It is not (4) limited this _, Ren 2 • Those who are familiar with this artist' are not out of this creation. In the spirit and scope, the scope of protection of this creation shall be subject to the definition of patent application scope. [Simple description of the drawing] Fig. 1 is a schematic view showing the appearance of a conventional stator Shishi steel sheet. Fig. 2 is a schematic view showing the appearance of the stator core of the present invention. 6 M366826 Fig. 3 is a schematic diagram of the creation of a continuous coil set directly in this creation. Attachment 1 shows the finite element analysis results of the stator core with the toothed shoe structure. Attachment 2 is the finite element analysis result of the stator core structure of the present invention. [Main component symbol description] 1. Stator group 10. Iron core 102. Stator tooth 101. Round yoke 1021. Spool 11. Coil set 2. Core 1022. Toothed shoe 21. Round yoke 22. Central circular hole 23. Stator tooth 24. Trunk 3. Continuous coil set 231.