1359550 九、發明說明： 【發明所屬之技術領域】 本發明係有關一種永磁式電 少磁束量改變而降低起電力 ：料供-種可減 以充分提高效率之永磁式電力^·?有之高錢波成分， 【先前技術】 現今產業界中，常需要提 或其他形式之運動，此時常===做旋轉、 工業、電器、運輸系統等裝 設備。 已成為一種不可或缺的 =大致可分為直流、交流、有刷、或無 H ’馬達之結構係由—轉子以及4 ^ 由轉:及定子問的磁通分佈，促使轉子運 二轉運動傳導出來之後，便可提供所需之機械能。： 用磁鐵本身具有磁性之特色，加以運用提供磁通 成=水磁式馬達，由於永磁式馬達可在有限的體積内 开/成較大之轉矩、效能及精確度亦較高，故在市場上 請參閱第—圖所示為習知永磁式馬達1G之結構示意 圖、:其包含一轉子11以及-定子12,該轉子U上設； 有複數個磁鐵11卜而定子12則呈一環狀結構，且於内 緣上環設有複數個定子磁極121，定子磁極121上則可繞 設有線圈，待轉子11與定子12相互套設之後，轉子^ 13595501359550 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a permanent magnet type electric quantity that reduces the amount of power generated by the change of the permanent magnet type and the amount of magnetic flux: the material supply type can be reduced to sufficiently improve the efficiency of the permanent magnet type electric power. The high-money wave component, [previous technology] In today's industry, it is often necessary to mention or other forms of exercise. At this time, often === do rotating equipment, industrial, electrical, transportation systems and other equipment. Has become an indispensable = roughly can be divided into DC, AC, brushed, or H-free motor structure - rotor and 4 ^ by the rotation: and the magnetic flux distribution of the stator, causing the rotor to move twice Once conducted, the required mechanical energy can be provided. : The magnet itself has the magnetic characteristics, and it is used to provide the magnetic flux=hydraulic motor. Since the permanent magnet motor can open/generate a large torque in a limited volume, the efficiency and accuracy are also high. In the market, please refer to the first figure for a schematic diagram of a conventional permanent magnet motor 1G, which comprises a rotor 11 and a stator 12, which is provided on the rotor U; a plurality of magnets 11 and a stator 12 a ring structure, and a plurality of stator poles 121 are arranged on the inner edge of the inner ring, and coils are arranged around the stator poles 121. After the rotor 11 and the stator 12 are sleeved with each other, the rotor ^ 1359550
與定子12之間恰形成-氣隙，當線圈通有電流時 磁性材質所製成之定子磁極121藉由轉 VAn air gap is formed between the stator and the stator 12, and the stator magnetic pole 121 made of a magnetic material is rotated by V when the coil is energized.
彼此作用’即產生一旋轉運動；該轉‘ u可：：1:—111 軸13，以便在轉子u進行旋轉 :H 來，供作進一步之使用。 *機械以專導出 極一圖所示之轉子11中，其具有複數轉子磁 =:=係以四極馬達為例，故具有四個轉子磁 殛112，且各轉子磁極112係具弧線 面113上至轉子U _心〇1之 。亥弧線表 鈿.息, 足距離，由中心點113a自兩 側邊113b、113c漸減，故於各弧線表面113間則具有一 凹槽114’使得該⑽表面113與定子师ΐ2ι之間隙變 而凹槽114與定子磁極121之間隙增大。因此，在相 泉表©113中心點113a附近之定子磁⑴仏磁束會 ζ磁束A)，磁性很容易飽合，而通過定子磁極⑵匕、 c之磁束（磁束B)會減少，定子繞線處感應起之起電力 曰：低。在此情形之下，為了增大在定子繞線處感應起之 已-电2，必須增加定子繞線之圈數，但是增加定子繞線之 一數時，以定子繞線所致之銅損會增加，因此無法充分提 向電動機之效率。 【發明内容】 ^ 本發明係之主要目的即在提供一種可減少磁束量改 :而k低起電力波形含有之高次諧波成分，以充分提高效 率之永磁式電動機。. 1359550 本發明之永磁式電動機係設有：定子、轉子 卓=轉子並形成有複數轉子磁極，而各轉子磁極係設有 ΪΓ 傾斜段間則以—切線段連接而構成凹= 工間’複數磁鐵係、設於各轉子磁極中，且各磁鐵之兩端部 第二傾斜段處’而各磁鐵中央部份係朝轉子 數旦絲面所形成之夾角為Θ，使轉子磁極之 度件 數）時，其滿足（120/ρ)度9以2_) 【實施方式】 而雜π之特』可參閱本案圖式及實施例之詳細說明 而獲付清楚地瞭解。Acting on each other produces a rotational motion; the turn 'u can: 1: 1: 111 axis 13 for rotation in the rotor u: H for further use. * The machine is specifically derived from the rotor 11 shown in the figure, which has a plurality of rotor magnets =: = is a four-pole motor, so that there are four rotor magnets 112, and each rotor pole 112 is on the arc surface 113 To the rotor U _ heart 〇 1 . The arc curve, the foot distance, is gradually decreased from the side edges 113b, 113c by the center point 113a, so that there is a groove 114' between the arc surfaces 113 so that the gap between the (10) surface 113 and the stator is changed. The gap between the groove 114 and the stator pole 121 increases. Therefore, the stator magnetic (1) 仏 magnetic beam near the center point 113a of the phase table © 113 will ζ the magnetic flux A), the magnetic force is easily saturated, and the magnetic flux (magnetic flux B) passing through the stator magnetic poles (2) 匕, c is reduced, and the stator is wound. The power from the induction is low: low. Under this circumstance, in order to increase the induced-electricity 2 induced at the stator winding, it is necessary to increase the number of turns of the stator winding, but when the number of stator windings is increased, the copper loss caused by the stator winding is increased. It will increase, so the efficiency of the motor cannot be fully raised. SUMMARY OF THE INVENTION The main object of the present invention is to provide a permanent magnet type motor which can reduce the amount of magnetic flux change and k low the harmonic component contained in the power waveform to sufficiently improve the efficiency. 1359550 The permanent magnet motor of the present invention is provided with: a stator, a rotor, a rotor, and a plurality of rotor poles, and each of the rotor poles is provided with a slanted section and is connected by a tangential section to form a recess = a work space. a plurality of magnets are disposed in the magnetic poles of the rotors, and the second inclined sections of the two ends of the magnets are formed, and the central portion of each magnet is formed at an angle of Θ to the number of filaments of the rotor, so that the magnetic poles of the rotor are When it is a number, it satisfies (120/ρ) degree 9 by 2_) [Embodiment] The details of the π π can be clearly understood by referring to the detailed description of the drawings and the embodiments.
本5明主要針對—般永磁式電動機中之轉子加以改 ^第二圖至第四圖所示，該永磁式電動機2G係包含 .定子21、轉子22以及轉軸23 ;其中： 代9=疋子21係具有一環狀主體部211以及複數定子磁 。—12 ’各定子磁極212係凸設於該主體部21丨内部，而 各疋子磁極212内並形成有一容置空間213。 5玄轉子22係設置於該容置空間213中，並與各定子 = 212間具有氣隙’該轉子以並形成有複數轉子磁極 ，而各轉子磁極221中並設有磁鐵222。 歿數轉子磁極221之數量係為偶數設置，而本實施 1359550 係以四極馬達為例’故具有四個轉子磁極221，各轉子磁 極221係設有一弧表面223以及弧表面223兩側依序向外 延伸之第一、二傾斜段224、225 ’而相鄰第二傾斜段225 間則以一切線段226連接而構成凹陷空間227。 複數磁鐵222 ’係設於各轉子磁極221中，且各磁鐵 222之兩端部222a、222b則設於靠近二第二傾斜段225 處’而各磁鐵222中央部份係朝轉子22中心處〇2内凹而 略呈v字型；當然，各磁鐵亦可為不同形式，如第五圖（A) 所示’各磁鐵222中央部份係朝轉子22中心處02内凹而 王狐型，亦可於各轉子磁極2 21中設有一個以上之磁鐵 222’如第五圖（B)所示；而如第五圖（C)所示，各磁鐵222 中央部份係朝轉子22中心處02内凹，且該磁鐵222中央 部份係為平直部222c，而兩側之兩端部222a、222b則向 外擴張之形式；亦可如第五圖（D)所示，各磁鐵222中央 部份係朝轉子22中心處〇2内凹’且該磁鐵222中央部份 係為彎弧部222d，且該彎弧部222d係朝轉子22中心處 〇2外凸’而兩侧之兩端部222a、222b則向外擴張之形式； 再者，各磁鐵222亦可直接形成平直狀’如第五圖（E)所 示〇 · —轉軸23，係設於轉子22之中心處〇2 ’與轉子22 連接為一體。 其中，該第一傾斜段224之斜率係小於第二傾斜段 225之斜率，而第二傾斜段225係與磁鐵兩端部222a、222b 相互平行，使得弧表面223至轉子22之中心處〇2之距離 1359550 (+D1)相同’而第一傾斜段224至轉子22之中心處02之距 _ ，（D2)，由弧表面223朝第二傾斜段225漸增，而二傾斜 段至轉子22之令心處〇2之距離（D3)，由第一傾斜段 224朝切線段226漸增，故轉子磁極221至轉子22之中 心處02之距離，係由弧表面223(D1)朝切線段226(D4) 逐漸增加，而每一弧表面223所形成之夾角為0，使轉子 磁極之數量為P時，其滿足（12〇/p)度（2〇^ρ) 度之條件，而如本圖實施例中，該轉子磁極之數量為4, 看故30度度。 、，=者子22上係進一步設有複數通氣孔228， 並可穿設有鉚釘孔229，可加強轉子22之結構強度，或 不穿設鉚釘孔而保持各通氣孔228之空洞狀態時，可減少 轉子之轉動慣量，並可作為散熱之用。 值得一提的是，本發明相較於習有電動機結構係呈有 下列優點： 名 _ 本务月轉子之弧表面係與轉子中心之距離皆相 •同，使得磁束不會集中。 2、各轉子間所形成之凹陷空間，其盥 離係由弧表面朝切線段逐漸增加，可減少磁束量;^改^距 ，而降低起電力波形含有之高找波成分，以充分提高電 慣量， '轉子上所設置之複數通氣孔，可減少轉子之轉動 並可作為散熱之用。 於各通氣孔穿設有鉚釘孔，可加強轉子之結構強 1359550 度。 本發明之技術内容及技術特點巳揭示如上，铁而熟朵 本項技術之人士仍可能基於本發明之揭示而作各種^ 離本案發_神之替換幻㈣。因此，本發明⑼護範圍 應不限於實施例所揭示者’而應包括各種不背離本發明之 替換及修飾，並為以下之申請專利範圍所涵蓋。 【圖式簡單說明】 ^-圖係為-般永磁式馬達中轉子與定子之結構示意圖。 第二㈣為本發明巾永料電_之轉子蚊子之結構 示意圖。 第三圖係為本發明中轉子之結構示意圖。 第四圖係為本發明中轉子與定子之部分放大結構示意圖。 弟五圖⑴〜⑻係為本發明中各磁鐵不同形式之結構示意 #【主要元件代表符號說明】 永磁式馬達1 〇 轉子11 磁鐵111 轉子磁極112 弧線表面113 中心點113a 側邊 113b、113c 1359550 ： 凹槽114 - 定子12 定子磁極 121、121a、121b、121c 心轴13 永磁式電動機20 定子21 環狀主體部211 定子磁極212 φ 容置空間213 轉子22 轉子磁極221 磁鐵222 端部 222a、222b 平直部222c 彎弧部222d 弧表面2 2 3 Φ 第一傾斜段224 第二傾斜段225 切線段226 凹陷空間227 通氣孔228 鉚釘孔229 轉軸2 3The present invention is mainly directed to a rotor in a permanent magnet type motor, which is shown in the second to fourth figures. The permanent magnet motor 2G includes a stator 21, a rotor 22, and a rotating shaft 23; wherein: generation 9 = The dice 21 has an annular main body portion 211 and a plurality of stator magnets. The twelve-pole magnetic poles 212 are protruded from the main body portion 21, and an accommodation space 213 is formed in each of the dice magnetic poles 212. The sinusoidal rotor 22 is disposed in the accommodating space 213 and has an air gap with each stator = 212. The rotor is formed with a plurality of rotor poles, and a magnet 222 is disposed in each of the rotor poles 221. The number of turns of the rotor poles 221 is an even number, and the embodiment of the 1359550 is a four-pole motor as an example, so that there are four rotor poles 221, each of the rotor poles 221 is provided with an arc surface 223 and both sides of the arc surface 223 are sequentially oriented. The first and second inclined sections 224, 225' extending outwardly and the adjacent second inclined sections 225 are connected by a line segment 226 to form a recessed space 227. The plurality of magnets 222' are disposed in the respective rotor poles 221, and both end portions 222a, 222b of the respective magnets 222 are disposed near the second second inclined sections 225' and the central portions of the respective magnets 222 are toward the center of the rotor 22. 2 concave and slightly v-shaped; of course, the magnets can also be in different forms, as shown in the fifth figure (A) 'the central part of each magnet 222 is concave toward the center of the rotor 22 02 and the king fox type. Further, one or more magnets 222' may be provided in each of the rotor poles 2 21 as shown in the fifth diagram (B); and as shown in the fifth diagram (C), the central portion of each of the magnets 222 is directed toward the center of the rotor 22. 02 is concave, and the central portion of the magnet 222 is a flat portion 222c, and the two end portions 222a, 222b are outwardly expanded; as shown in the fifth figure (D), each magnet 222 The central portion is concave toward the center of the rotor 22, and the central portion of the magnet 222 is a curved portion 222d, and the curved portion 222d is convex toward the center of the rotor 22, and two sides are The ends 222a, 222b are outwardly expanded; further, the magnets 222 can also be formed directly into a straight shape as shown in the fifth figure (E). Provided in the center of the rotor 22 〇2 'is connected integrally with the rotor 22. The slope of the first inclined section 224 is smaller than the slope of the second inclined section 225, and the second inclined section 225 is parallel to the ends 222a, 222b of the magnet so that the arc surface 223 is at the center of the rotor 22 The distance 1359550 (+D1) is the same 'and the distance between the first inclined section 224 and the center of the rotor 22 is _, (D2), increasing from the arc surface 223 toward the second inclined section 225, and the two inclined sections to the rotor 22 The distance (D3) of the center of the heart is gradually increased from the first inclined section 224 toward the tangent section 226, so the distance from the rotor pole 221 to the center 02 of the rotor 22 is from the arc surface 223 (D1) toward the tangent section. 226 (D4) is gradually increased, and each arc surface 223 forms an angle of 0, so that when the number of rotor poles is P, it satisfies the condition of (12 〇 / p) degrees (2 〇 ^ ρ) degrees, and In the embodiment of the figure, the number of magnetic poles of the rotor is 4, which is 30 degrees. The squirrel 22 is further provided with a plurality of vent holes 228, and can be provided with rivet holes 229, which can strengthen the structural strength of the rotor 22, or maintain the vacant holes of the vent holes 228 without rivet holes. It can reduce the moment of inertia of the rotor and can be used for heat dissipation. It is worth mentioning that the present invention has the following advantages over the conventional motor structure: Name _ The monthly surface of the rotor of the rotor is the same as the distance from the center of the rotor, so that the magnetic beams are not concentrated. 2. The recessed space formed between the rotors is gradually increased from the arc surface toward the tangential section, which can reduce the amount of magnetic flux; the distance is changed, and the high wave-forming component contained in the power waveform is reduced to fully increase the electric power. Inertia, 'the number of vents provided on the rotor reduces the rotation of the rotor and can be used for heat dissipation. Rivet holes are formed in each vent hole to strengthen the structure of the rotor by 1359550 degrees. The technical content and technical features of the present invention are disclosed above, and those skilled in the art may still make various illusions (4) based on the disclosure of the present invention. Therefore, the scope of the invention (9) is not limited to the embodiment disclosed, and various alternatives and modifications may be made without departing from the invention, and are covered by the following claims. [Simple diagram of the figure] ^-The diagram is a schematic diagram of the structure of the rotor and the stator in a general-purpose permanent magnet motor. The second (four) is a schematic diagram of the structure of the rotor mosquito of the invention. The third figure is a schematic view of the structure of the rotor in the present invention. The fourth figure is a partial enlarged structure diagram of the rotor and the stator in the present invention. Five figures (1) to (8) are schematic diagrams showing the different forms of the magnets in the present invention. # [Main component representative symbol description] Permanent magnet motor 1 〇 rotor 11 Magnet 111 Rotor magnetic pole 112 Arc surface 113 Center point 113a Side 113b, 113c 1359550 : Groove 114 - stator 12 stator pole 121, 121a, 121b, 121c spindle 13 permanent magnet motor 20 stator 21 annular body portion 211 stator pole 212 φ accommodation space 213 rotor 22 rotor pole 221 magnet 222 end 222a 222b straight portion 222c curved portion 222d arc surface 2 2 3 Φ first inclined portion 224 second inclined portion 225 tangent portion 226 recessed space 227 vent hole 228 rivet hole 229 shaft 2 3