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九、發明說明： 【發明所屬之技術領域】 本發明侧於-種馬達定子，尤指_翻於散熱風扇之馬達定子 結構。 【先前技術】 中^利用磁場N、S極之作用力來推動扇葉轉動之風扇設計中，大多 雨依靠設在控繼路板上之積體電路晶片來感應磁場之變化，並進一 ^處理纏繞在絕絲上之通躲圈之電流場，以達到通電線圈 生生之磁場力來推動扇葉轉動之目的。出於增加風扇空氣流動體積， ^風扇性能餅低成本之考慮，現在馳㈣路板.積要求越來 栽小。 如第-圖所示，爲-習知馬達定刊，，該定子i，包括複數石夕鋼片疊 成之矽鋼片組10,、用以産生馬達所需磁場之繞線(未圖示）、由歸材 料製成之Ji絕緣架I2’、下絕緣架I4’、定位元件10，及電路板18，。該上、 下絕緣架12,、14,套設树鋼4論，上，驗將魏#崩，及繞線分 隔開以達到絕緣目的。其中該下絕緣架14，設有肖電路板18，凸出之引腳 I42 ’該引腳I42’中央設有定位孔(未圖示），該雜孔可供定位元件16, 穿過，用以將裝配好之上、下絕緣架12,、14，及矽鋼片組1〇，固定在電 路板18’上。然而，由於該矽鋼片組1〇，及上、下絕緣架12,、14，與電路 板18之疋位方式使得電路板μ’之面積要大於石夕鋼片組1〇，及上、下絕 緣架12’、14’之面積，從而使空氣流動體積減小，電路板18，之 對較大，製造成本提高。 【發明内容】 本發明之目的是提供一種具有較小面積電路板之馬達定子。 本發明關於一種馬達定子，包括矽鋼片組，固定在矽鋼片組上、 下側之上、下絕緣架及提供馬達驅動電路之電路板，該矽鋼片組設有 一圓環部及自該圓環部外緣延伸之極爪，該下絕緣架設有與圓環部相 對應之固定部及與極爪相對應之護板，該下絕緣架之固定部與護板相 鄰接之位置處朝向電路板設有用於固定電路板之支撐部。 本發明於下絕緣架之固定部與護板相鄰接之位置處設置固定電路 板用之支撐部，可以使電路板之使用面積減小，空氣流動體積增大。 6 1287344 ®*β5*5ϊϊ|ηΓ ΙΤΤί'Ιι -----------------------「 .......... 【實施方式】 、參閱第二圖及第三圖所示，本發明之馬達定子i包括複數石夕鋼片疊 成之矽鋼片組10、固定在矽鋼片組10上側之上絕緣架12、固定在矽鋼 片組ίο下侧之下絕緣架14、霍爾元件15、定位元件16及電路板18。 矽鋼片組10設有一圓環部1〇2，依極數之需要，自該圓環部1〇2外 ，延伸形成有適當數目之極爪104，極爪104末端設有環壁1〇6。其中， 該石夕鋼片級10之極爪1〇4與圓環部102相鄰接之位置處設有貫穿孔麵。IX. INSTRUCTIONS OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention is directed to a motor stator, and more particularly to a motor stator structure that is turned over to a heat dissipation fan. [Prior Art] In the design of a fan that uses the force of the magnetic field N and S to push the blade to rotate, most of the rain relies on the integrated circuit chip set on the control circuit board to induce the change of the magnetic field, and further processing The current field of the entangled circle on the wire is used to drive the magnetic field force generated by the coil to promote the rotation of the blade. In order to increase the air flow volume of the fan, the fan performance of the fan is considered to be low cost, and now the demand for the (four) road board is increasing. As shown in the first figure, for the conventional motor, the stator i includes a plurality of steel sheets 10 stacked in a steel sheet, and a winding for generating a magnetic field required by the motor (not shown). The Ji insulation frame I2', the lower insulation frame I4', the positioning element 10, and the circuit board 18 made of the return material. The upper and lower insulation frames 12, 14 are sleeved with the tree steel 4, and the upper and lower sides of the insulation are separated, and the windings are separated to achieve the purpose of insulation. The lower insulating frame 14 is provided with a circuit board 18, and a protruding pin I42' is provided with a positioning hole (not shown) at the center of the pin I42'. The hole is provided for positioning the component 16, passing through The assembled upper and lower insulating frames 12, 14, and the silicon steel sheet set are fixed to the circuit board 18'. However, since the silicon steel sheet set 1〇, and the upper and lower insulating frames 12, 14 and the clamping manner of the circuit board 18, the area of the circuit board μ' is larger than that of the Shixi steel sheet group, and the upper and lower sides. The area of the insulating frame 12', 14' is such that the air flow volume is reduced, the circuit board 18 is larger, and the manufacturing cost is increased. SUMMARY OF THE INVENTION It is an object of the present invention to provide a motor stator having a smaller area circuit board. The invention relates to a motor stator, comprising a silicon steel sheet set, fixed on a top and bottom side of a silicon steel sheet set, a lower insulation frame and a circuit board providing a motor drive circuit, wherein the silicon steel sheet set is provided with a circular portion and the ring a lower claw extending from an outer edge, the lower insulating frame is provided with a fixing portion corresponding to the annular portion and a guard plate corresponding to the pole claw, and the fixing portion of the lower insulating frame is adjacent to the shield plate toward the circuit The board is provided with a support for fixing the circuit board. According to the present invention, the support portion for fixing the circuit board is provided at a position where the fixing portion of the lower insulating frame is adjacent to the shield, so that the use area of the circuit board is reduced, and the air flow volume is increased. 6 1287344 ® *β5*5ϊϊ|ηΓ ΙΤΤί'Ιι ----------------------- ".......... [Embodiment] Referring to the second and third figures, the motor stator i of the present invention comprises a plurality of steel sheets 10 stacked in a steel sheet, an insulating frame 12 fixed on the upper side of the silicon steel sheet group 10, and fixed to the silicon steel sheet group. Ίο lower side of the insulating frame 14, the Hall element 15, the positioning element 16 and the circuit board 18. The silicon steel sheet set 10 is provided with a ring portion 1〇2, which is required from the ring portion 1〇2 according to the number of poles An appropriate number of pole claws 104 are formed to extend, and a ring wall 1〇6 is disposed at the end of the pole claw 104. The pole claw 1〇4 of the Shishi steel sheet grade 10 is adjacent to the annular portion 102. There are through holes.
%年 ¥月(更)正本I 刀上、下絕緣架12、14均由塑膠材料製成，其結構及形狀大致相似， 上，緣架12與下絕緣架Μ共同夾設包覆矽鋼片組1〇。其中該上、下絕 緣架12、14與矽鋼片組1〇圓環部1〇2相對之位置處設有相應之固定部 121、141，與石夕鋼片組10極爪1〇4相對之位置處設有相應之護板⑶、 140 ’護板12〇、14〇與極爪1〇4用於繞設線圈(未圖示）。該上、下絕緣架 12、14與矽鋼片組10相對之一面設有與矽鋼片組10輪廓相似之護牆 126、146。該上、下絕緣架12、14與石夕鋼片組1〇相對之一面分別設有 與矽鋼片組10貫穿孔1〇8相應之定位柱124、144，定位柱124、144用於 同矽鋼片組10之貫穿孔108相配合，以定位上、下絕緣架12、14與矽鋼 片組10。 下絕緣架14背離定位柱144之表面上設有支撐部145，該支撐部145 设置於固定部141與護板140相鄰接之位置處。該支撐部145設有端部 147，端部147中央設有一凹陷，該凹陷中央設有定位孔148。 電路板18設有與上、下絕緣架12、14之固定部121、141相對應之 半圓形缺口 180及與部分下絕緣架14之定位孔148相對應之插孔182，在 本發明之實施例中插孔182之數量爲3。 組裝時，將上、下絕緣架12、14之定位柱124、144插入石夕鋼片組 10中’並使護牆126、146包覆矽鋼片組10 ;然後將電路板18之插孔182 對準下緣架14之定位孔148 ;最後將定位元件16穿過電路板is之插孔 182進一步插入下絕緣架14之定位孔148中。 參閱第四圖，爲本發明之上、下絕緣架、14、矽鋼片組1〇及霍 爾元件15安裝於電路板18上之情形。此時，矽鋼片組1〇通過上、下絕 緣条12、14之濩牆126、146之包覆及其貫穿孔1〇8與上、下絕緣架12、 14之定位柱124、144之配合，使其得以與上、下絕緣架12、14很好地 定位及緊密結合，電路板18通過定位元件16與下絕緣架14之支撐部145 7 1287344% years ¥ month (more) original I knife upper and lower insulation frames 12, 14 are made of plastic materials, the structure and shape are similar, the upper, the edge frame 12 and the lower insulation frame 夹 together with the wrapped steel sheet group 1〇. The upper and lower insulating frames 12 and 14 are respectively provided with corresponding fixing portions 121 and 141 at positions opposite to the annular portion 1〇2 of the silicon steel sheet group, and are opposite to the 10 pole claws 1〇4 of the Shixi steel sheet group. At the position, there are corresponding guard plates (3), 140' guard plates 12〇, 14〇 and pole claws 1〇4 for winding coils (not shown). The upper and lower insulating frames 12, 14 are provided with a retaining wall 126, 146 similar to the profile of the silicon steel sheet set 10 on the opposite side of the silicon steel sheet set 10. The upper and lower insulating frames 12 and 14 are respectively provided with positioning posts 124 and 144 corresponding to the through holes 1〇8 of the silicon steel sheet set 10, and the positioning posts 124 and 144 are used for the same steel. The through holes 108 of the wafer set 10 cooperate to position the upper and lower insulating frames 12, 14 and the silicon steel sheet set 10. A support portion 145 is disposed on a surface of the lower insulating frame 14 facing away from the positioning post 144. The support portion 145 is disposed at a position where the fixing portion 141 is adjacent to the shield 140. The support portion 145 is provided with an end portion 147, and a recess is formed in the center of the end portion 147, and a positioning hole 148 is formed in the center of the recess. The circuit board 18 is provided with a semi-circular notch 180 corresponding to the fixing portions 121, 141 of the upper and lower insulating frames 12, 14 and a receiving hole 182 corresponding to the positioning hole 148 of the portion of the lower insulating frame 14, in the present invention The number of jacks 182 in the embodiment is three. During assembly, the positioning posts 124, 144 of the upper and lower insulating frames 12, 14 are inserted into the Shihua steel sheet set 10 and the retaining walls 126, 146 are wrapped around the silicon steel sheet set 10; then the sockets 182 of the circuit board 18 are The positioning hole 148 of the lower edge frame 14 is aligned; finally, the positioning member 16 is inserted into the positioning hole 148 of the lower insulating frame 14 through the insertion hole 182 of the circuit board is. Referring to the fourth figure, the upper and lower insulating frames, 14, the silicon steel sheet group 1 and the Hall element 15 are mounted on the circuit board 18 of the present invention. At this time, the silicon steel sheet set 1〇 is covered by the cladding walls 126 and 146 of the upper and lower insulating strips 12 and 14 and the through holes 1〇8 are matched with the positioning posts 124 and 144 of the upper and lower insulating frames 12 and 14. So that it can be well positioned and tightly coupled with the upper and lower insulating frames 12, 14, the circuit board 18 passes through the positioning member 16 and the support portion of the lower insulating frame 14 145 7 1287344
彥(更)正本j 配合，使得上、下絕緣架12、14與矽鋼片組10固定於其上，同時，由 ，連接I絕緣架14與電路板18之支撐部145設置於下絕緣架14之固定 Ή41與護板14〇相鄰接之位置處，從而使電路板敗使用面積大大 小，節約成本。 、 、紅上所述’本發明符合發明專利要件，爰依法提出專利申請。惟， 者料本發明之較佳實施例，舉凡熟悉本案技藝之人士，在 ^精神所作之等效修飾或變化，皆應涵蓋於以下之申請專利 [圖式簡單說明】 苐圖係習知馬達定子之立體組合圖。 ，二圖係本發明馬達定子之立體分解圖。 +第三圖係本發縣達定子另—航之立體分解圖 弟四圖係本發明馬達定子之組合圖。 【主要元件符號說明】 馬達定子 1 圓環部 102 環壁 106 上絕緣架 12 固定部 121 、 141 護牆 126、146 支撐部 145 定位孔 148 定位元件 16 缺口 180 矽鋼片組 極爪 貫穿孔 護板 定位柱 下絕緣架 端部 霍爾元件 電路板 插孔 10 104 108 120 、 140 124 、 144 14 147 15 18 182Yan (more) is matched with the upper and lower insulating frames 12, 14 and the silicon steel sheet set 10, and at the same time, the supporting portion 145 connecting the I insulating frame 14 and the circuit board 18 is disposed on the lower insulating frame 14 The fixing Ή 41 is adjacent to the shield 14 ,, so that the circuit board is used in a large area and cost is saved. The invention is in accordance with the requirements of the invention patent, and the patent application is filed according to law. However, the preferred embodiment of the present invention, the equivalent modifications or variations made by those skilled in the art, should be covered in the following patent application [Simple Description of the Drawings] A three-dimensional combination of the stator. The second drawing is an exploded perspective view of the motor stator of the present invention. +The third figure is the three-dimensional exploded view of the present-sales-station-stairs----the four-figure diagram of the motor stator of the present invention. [Main component symbol description] Motor stator 1 annular portion 102 ring wall 106 upper insulating frame 12 fixing portion 121, 141 retaining wall 126, 146 support portion 145 positioning hole 148 positioning member 16 notch 180 矽 steel plate group pole claw through hole shield Positioning post under insulator rack end Hall element board jack 10 104 108 120 , 140 124 , 144 14 147 15 18 182