上海製Model 3 撞擊測試影片 - 汽車
By Gary
at 2020-06-04T16:32
at 2020-06-04T16:32
Table of Contents
什麼叫"看起來差不多",車室結構安全不是用看的
Euro NCAP:ASSESSMENT PROTOCOL – ADULT OCCUPANT PROTECTION
https://cdn.euroncap.com/media/1568/euro-ncap-assessment-protocol-aop-v-60.pdf
舉前撞例子來看
1. Head(with steering wheel airbags and passengers)
https://i.imgur.com/rqYXF0O.jpg
(1) HIC(Head injury criterion):頭部受傷標準
https://i.imgur.com/BXKBXZe.jpg
(2) Resultant Acc. 3 msec exceedence:持續3ms以上的G值
2. Neck
https://i.imgur.com/Bl7agyv.jpg
(1) Shear
(2) Tension
(3) Extension
https://i.imgur.com/DpM9HOk.jpg
其他身體部位的critera
3. Chest:
compression, viscous vriterion
4. Knee, Femur and Pelvis:
Femur compression, Knee slider compressive displacement
5. Lower Leg:
Tibia Index
Tibia Compression
6. Foot/Ankle:
Pedal rearward displacement
根據這些假人身上的數據(力)推算多少機率受到多大的傷害(AIS3、AIS4等)
例如5% risk of injury >= AIS3
常用簡易外傷分數(Abbreviated Injury Scale, AIS)來做為評估標準
https://i.imgur.com/tXxjBnh.jpg
車輛碰撞之人偶傷害指數簡介
https://www.artc.org.tw/chinese/03_service/03_02detail.aspx?pid=3109
由測試假人量測的數據,經過推算先得到一個初始的分數
這個分數還會做進一步調整(扣分)
1. Head
https://i.imgur.com/virRsNG.jpg
頭部與氣囊接觸不穩定、危險氣囊作動、不正確氣囊作動
2. Chest
https://i.imgur.com/ObCdU7F.jpg
https://i.imgur.com/Oihlrxg.jpg
A柱變形量、乘客空間(車室完整性)、方向盤接觸
其他身體部位也會由於位移、接觸或結構變形等判定導致扣分
3. Knee, Femur and Pelvis:
Variable Contact
Concentrated Loading
4. Lower Leg:
Upward Displacement of the Worst Performing Pedal
5. Foot/Ankle:
Footwell Rupture
Pedal Blocking
結論:
根據車子撞擊的影片,根本看不出假人承受的撞擊力(負載)
也需要藉助高速攝影機畫面來捕捉位移,靠顏料來確認假人與車內接觸
絕非"看起來差不多"就簡單帶過
而CNCAP過去也不乏撞測車輛車子結構"看起來"雖然大致完整
內部假人卻承受過大G值而被判定低星的例子
與其看影片瞎猜,還是等CNCAP報告出爐比較實際
※ 引述《Scape (缺鈣缺很大)》之銘言:
: 中國撞測單位中保研正面25% 與側撞微博影片:
: https://www.weibo.com/1594988364/J53zmz5v3?type=comment
: 找美國IIHS 做的來比對一下:
: 正面25%:
: https://youtu.be/be5MLDXUvHE
: 側撞:
: https://youtu.be/zif6Od2vlyA
: 看起來差不多,美國製的跟上海製的其內在跟設計應該沒什麼太大的不同
--
Tags:
汽車
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