Apple 獲汽車電機專利,與 Tesla 結構相 - 汽車
By Zenobia
at 2020-04-27T12:08
at 2020-04-27T12:08
Table of Contents
https://i.imgur.com/RkUGxIV.jpg
專利號
US 10630127 B1
名稱
Electric Motor with Bar Wound Stator and End Turn Cooling
摘要
An electric motor includes an end turn ring and a cooling structure that is
in a thermally conductive relationship with the end turn ring.
宣稱
總共有24項,以1、12為主項,其他為附屬項目
蘋果這項專利重點是馬達定子端部的散熱,以下面簡圖為例
https://i.imgur.com/f0R1YeQ.jpg
定子:定子鐵芯(藍)、繞線(橘色)
轉子:轉子鐵芯(綠)、永久磁鐵(剖面圖沒顯示)、軸(黃色)
外殼:前後蓋(淺灰)、定子殼/中圈(深灰)、軸承套(紫)
轉子產生的熱透過軸或是轉動產生氣流導到殼體
定子產生的熱主要以熱傳導方式將熱導到殼體,再經由外殼的流道設計(水冷)排熱
專利則是在定子端部(上圖紅圈)設計了散熱流道,讓熱能順利排出
https://i.imgur.com/6jIS2Ba.jpg
FIG. 8 is a perspective view that shows an annular cooling manifold 870. The
annular cooling manifold 870 is operable to cool an end turn ring 816 and
winding bars 805 that are disposed within slots 830 of a stator 806. The
annular cooling manifold 870 includes one or more ports 872 that function as
inlets and/or outlets for supplying liquid to or removing liquid from a
hollow interior of the annular cooling manifold 870. By circulating liquid
through the annular cooling manifold 870, heat may be removed from the end
turn ring 816.
※ 引述《Scape (缺鈣缺很大)》之銘言:
: 原文連結:
: https://qooah.com/2020/04/23/pple-automotive-motor-patent/
: 原文內容:
: Apple 獲汽車電機專利,與 Tesla 結構相似
: 近期,美國專利商標局公佈了來自 Apple 公司的一項專利。得知 Apple 正在研發一款可
: 適用於 Apple Car 上的三相交流感應電機,在整體結構上與 Tesla 有著相似的設計。
: 在專利介紹中詳細的介紹一種三段式交流感應電機,稱其可能只是幾種電機系統中的一種
: 。該電機與福特和日產在混合動力汽車上使用的永磁同步電機不同,能有效的解決永磁同
: 步電機成本高,維護多,磁鐵磨損的問題。
專利有比較永磁和感應馬達嗎? 沒有
更何況應用例是"永磁馬達"(轉子有內藏式永久磁鐵)
那介紹感應馬達要幹嘛? 還把三向交流感應電機亂翻成"三段式交流感應電機".....
哪裡像Tesla電機設計了啊?
The rotor 102 is connected to the shaft 114. The shaft 114 is in turn supported
with respect to the frame 110 by the bearings 112 to allow free rotation of the
rotor 102 with respect to the frame 110. In the example shown in FIG. 1,
the rotor 102 is an interior permanent magnet type rotor that includes
permanent magnets 120 that are disposed in internal slots 122 that are formed
in the rotor 102, radially inward from an outer periphery 124 of the rotor 102.
: 另外,該電機採用了松鼠籠式電機技術設計。當電壓/頻率進行控制時,還可以產生高啟
: 動扭矩,在崎嶇的地形上更加有利,且技術更便宜、有著更長的壽命,維護少。
1. 轉子有永久磁鐵,怎麼會是(感應)鼠籠式電機?????
2. 直接講鼠籠式電機,不用那麼拗口講"松鼠籠式電機"
: 不過三相交流感應電機對比永磁同步電機並不是沒有劣勢,在效率略低於永磁同步電機。
: 只有在控制得當的情況下才能夠實現效率達到 90%。對於如何控制,Apple 專利中沒有做
: 出解答。
專利通篇完全沒有提到比較永磁或感應馬達好壞
不知道文章加油添醋了一堆要幹嘛.....
: 專利最主要的是在電機散熱方法配套的技術上。專利中稱:「冷卻結構與上外環表面或下
: 外環表面中的至少一個形成導熱關係,用於接收來自端部轉動環的熱量。」
又是一個google直接翻的名詞"端部轉動環"XDD
首先定子本身不會轉動,到底是怎麼翻成轉動的.....
end turn是指繞線在端部的轉折,所謂的ring是指端部排列成環狀
: 目前 Apple 已經提交了文件和一些專利,但就目前而已,還很難斷定 Apple 是否在研究
: 完整的汽車。
: 心得/說明:(30字以上)
: https://i.imgur.com/3jEyh9U.jpg
: 去看了一下專利頁面,申請日期是January 5, 2018
: 這代表Apple 以前真的有認真在研究想要造電動車
: 不過現在應該是已經放棄了
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