{"id":19805,"date":"2022-09-01T08:13:27","date_gmt":"2022-09-01T08:13:27","guid":{"rendered":"http:\/\/dgbellvietnam.com\/battery-impact-tester\/"},"modified":"2024-10-24T20:26:21","modified_gmt":"2024-10-24T13:26:21","slug":"battery-impact-tester","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/battery-impact-tester\/","title":{"rendered":"M\u00e1y ki\u1ec3m tra va \u0111\u1eadp pin"},"content":{"rendered":"
\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed, t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed v\u00e0 s\u1ea3n ph\u1ea9m \u0111i\u1ec7n \u0111\u00e3 d\u1ea7n tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng, v\u00e0 pin li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn ch\u00fang \u0111\u00e3 d\u1ea7n thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a m\u1ecdi ng\u01b0\u1eddi. Trong s\u1ed1 \u0111\u00f3, s\u1ef1 an to\u00e0n c\u1ee7a ch\u00ednh pin l\u00e0 tr\u1ecdng t\u00e2m c\u1ee7a s\u1ef1 ch\u00fa \u00fd. M\u1ed9t lo\u1ea1i pin c\u00f3 nguy c\u01a1 an to\u00e0n ti\u1ec1m \u1ea9n s\u1ebd tr\u1edf th\u00e0nh qu\u1ea3 bom h\u1eb9n gi\u1edd xung quanh m\u1ecdi ng\u01b0\u1eddi b\u1ea5t c\u1ee9 l\u00fac n\u00e0o, g\u00e2y nguy hi\u1ec3m cho t\u00ednh m\u1ea1ng c\u1ee7a m\u1ecdi ng\u01b0\u1eddi. C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a pin v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao sinh ra trong pin c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 sinh nhi\u1ec7t. C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 sinh nhi\u1ec7t. M\u1ed9t th\u1eed nghi\u1ec7m va \u0111\u1eadp nh\u1ea5t \u0111\u1ecbnh s\u1ebd sinh ra nhi\u1ec7t b\u00ean trong pin v\u00e0 n\u00f3 c\u0169ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a pin v\u00e0 tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh sau \u0111\u00f3 c\u1ee7a pin. Do \u0111\u00f3, <\/span><\/span>th\u1eed nghi\u1ec7m va \u0111\u1eadp m\u1ea1nh<\/span><\/span><\/a> l\u00e0 m\u1ed9t m\u1ee5c th\u1eed nghi\u1ec7m quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t hi\u1ec7n an to\u00e0n c\u1ee7a pin.<\/span><\/span><\/p>\n

1. Ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m<\/span><\/span><\/strong><\/span><\/h1>\n

Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m an to\u00e0n pin, UL 1642, UN 38.3, IEC 62133-2012, SJ \/ T 11169-1998, YD 1268-2003, SJ \/ T 11170-1998 v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m kh\u00e1c c\u00f3 c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3 kh\u00e1c nhau \u0111\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a pin, nh\u01b0ng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n l\u00e0 gi\u1ed1ng nhau. Hai b\u00faa th\u1eed nghi\u1ec7m va \u0111\u1eadp n\u1eb7ng (l\u1ea7n l\u01b0\u1ee3t l\u00e0 10 kg v\u00e0 91 kg) ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m va \u0111\u1eadp r\u01a1i t\u1ef1 do v\u00e0o pin.<\/span><\/span><\/p>\n

Sau khi pin \u0111\u01b0\u1ee3c s\u1ea1c \u0111\u1ea7y theo ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n, pin \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a b\u1ec7, v\u00e0 thanh kim lo\u1ea1i c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 158 + 0,2 mm ho\u1eb7c 8 mm \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t tr\u00ean c\u1ee7a t\u00e2m h\u00ecnh h\u1ecdc c\u1ee7a pin. M\u1ed9t v\u1eadt n\u1eb7ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 9,1 + 0,1 kg ho\u1eb7c 10 kg \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng v\u00e0o b\u1ec1 m\u1eb7t c\u1ee7a pin b\u1eb1ng thanh kim lo\u1ea1i t\u1eeb \u0111\u1ed9 cao 610 mm \u00b1 25 mm v\u00e0 quan s\u00e1t xem n\u00f3 c\u00f3 ph\u00e1t n\u1ed5 kh\u00f4ng.<\/span><\/span><\/p>\n

Th\u1eed nghi\u1ec7m va \u0111\u1eadp m\u1ea1nh c\u00f3 hai \u00fd ngh\u0129a. M\u1ed9t l\u00e0 n\u0103ng l\u01b0\u1ee3ng ti\u1ec1m t\u00e0ng c\u1ee7a b\u00faa 9,1 kg t\u1eeb \u0111\u1ed9 cao 610 mm \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh \u0111\u1ed9ng n\u0103ng sau khi r\u01a1i t\u1ef1 do v\u00e0 t\u00e1c d\u1ee5ng v\u00e0o pin, t\u1ee9c l\u00e0 thanh tr\u00f2n c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 158 mm s\u1ebd \u0111\u1eadp v\u00e0o pin ngay l\u1eadp t\u1ee9c sau khi \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9ng n\u0103ng, v\u00e0 c\u00e1c m\u1ea3nh \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u00e2m b\u00ean trong pin s\u1ebd b\u1ecb \u00e9p ngay l\u1eadp t\u1ee9c. N\u1ebfu b\u1ed9 t\u00e1ch kh\u00f4ng th\u1ec3 c\u00f4 l\u1eadp hi\u1ec7u qu\u1ea3 c\u00e1c \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u00e2m t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, n\u00f3 s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch \u1edf c\u00e1c \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng v\u00e0 \u00e2m, \u0111i\u1ec1u n\u00e0y s\u1ebd k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t b\u00ean trong pin, do \u0111\u00f3 g\u00e2y ra s\u1ef1 m\u1ea5t an to\u00e0n. M\u1ed9t \u00fd ngh\u0129a kh\u00e1c l\u00e0 \u0111\u1ec3 ki\u1ec3m tra xem pin c\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng kh\u00f4ng.<\/span><\/span><\/p>\n

Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a b\u00faa n\u1eb7ng trong m\u1ed7i ti\u00eau chu\u1ea9n ch\u1ee7 y\u1ebfu l\u00e0 9,1 kg, ch\u1ec9 c\u00f3 ti\u00eau chu\u1ea9n YD 1268 l\u00e0 10 kg. Chi\u1ec1u cao va ch\u1ea1m c\u0169ng l\u00e0 r\u01a1i t\u1ef1 do t\u1eeb \u0111\u1ed9 cao 610 mm, \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a thanh kim lo\u1ea1i kho\u1ea3ng 158 ho\u1eb7c 79 mm. Th\u1eddi gian quan s\u00e1t th\u01b0\u1eddng l\u00e0 6 gi\u1edd.<\/span><\/span><\/p>\n

2. Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf<\/span><\/span><\/strong><\/span><\/h1>\n

C\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf c\u1ee7a m\u00e1y th\u1eed nghi\u1ec7m va \u0111\u1eadp m\u1ea1nh bao g\u1ed3m c\u00e1c \u0111i\u1ec3m sau:<\/span><\/span><\/p>\n

\u0110\u1ea7u ti\u00ean, qu\u00e1 tr\u00ecnh va ch\u1ea1m s\u1ebd lo\u1ea1i b\u1ecf l\u1ef1c c\u1ea3n c\u1ee7a d\u00e2y th\u1eebng, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a chi\u1ec1u cao n\u00e2ng s\u1ebd lo\u1ea1i b\u1ecf l\u1ef1c c\u1ea3n c\u1ee7a d\u00e2y th\u1eebng;<\/span><\/span><\/p>\n

Th\u1ee9 hai, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eeb h\u00fat, n\u00e2ng b\u00faa n\u1eb7ng, chi\u1ec1u cao n\u00e2ng c\u1ee7a b\u00faa n\u1eb7ng c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa, v.v.<\/span><\/span><\/p>\n

Th\u1ee9 ba, thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 an to\u00e0n, ch\u1ee9c n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5, thi\u1ebft b\u1ecb x\u1ea3 kh\u00f3i t\u1ef1 \u0111\u1ed9ng, v.v. V\u00ec t\u00e1c \u0111\u1ed9ng c\u1ee7a v\u1eadt n\u1eb7ng ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ec3 quan s\u00e1t xem pin lithium c\u00f3 ph\u00e1t n\u1ed5 hay kh\u00f4ng, n\u00ean d\u1ec5 g\u00e2y ra th\u01b0\u01a1ng t\u00edch do n\u1ed5 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. Do \u0111\u00f3, c\u1ea7n thi\u1ebft k\u1ebf ch\u1ee9c n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 quan s\u00e1t; Th\u1ee9 t\u01b0, h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u th\u00e0nh ph\u1ea7n \u0111\u01a1n gi\u1ea3n, chi ph\u00ed th\u1ea5p v\u00e0 ph\u1ed5 bi\u1ebfn t\u1ed1t.<\/span><\/span><\/p>\n

3. Thi\u1ebft k\u1ebf v\u00e0 s\u01a1 \u0111\u1ed3 k\u1ef9 thu\u1eadt<\/span><\/span><\/strong><\/span><\/h1>\n

Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m va \u0111\u1eadp m\u1ea1nh v\u00e0o pin, c\u1ea7n ph\u1ea3i n\u00e2ng m\u1ed9t v\u1eadt n\u1eb7ng nh\u1ea5t \u0111\u1ecbnh l\u00ean m\u1ed9t \u0111\u1ed9 cao nh\u1ea5t \u0111\u1ecbnh. Sau khi th\u1ef1c hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 t\u00e1ch nhanh, r\u01a1i t\u1ef1 do v\u00e0 va ch\u1ea1m th\u1eb3ng, hi\u1ec7n t\u01b0\u1ee3ng thay \u0111\u1ed5i c\u1ee7a pin sau khi va ch\u1ea1m \u0111\u01b0\u1ee3c quan s\u00e1t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t an to\u00e0n c\u1ee7a pin.<\/span><\/span><\/p>\n

Thi\u1ebft b\u1ecb ki\u1ec3m tra va ch\u1ea1m v\u1eadt n\u1eb7ng truy\u1ec1n th\u1ed1ng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh b\u1eb1ng l\u1ef1c k\u00e9o c\u1ee7a d\u00e2y th\u1eebng. V\u1eadt n\u1eb7ng \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean m\u1ed9t \u0111\u1ed9 cao nh\u1ea5t \u0111\u1ecbnh b\u1eb1ng l\u1ef1c k\u00e9o c\u1ee7a \u0111\u1ed9ng c\u01a1, sau \u0111\u00f3 d\u00e2y k\u00e9o \u0111\u01b0\u1ee3c ng\u1eaft k\u1ebft n\u1ed1i nhanh ch\u00f3ng. V\u1eadt n\u1eb7ng r\u01a1i t\u01b0\u01a1ng \u0111\u1ed1i t\u1ef1 do v\u1edbi d\u00e2y k\u00e9o \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng v\u00e0o pin. M\u00e1y ki\u1ec3m tra va ch\u1ea1m v\u1eadt n\u1eb7ng m\u1edbi s\u1eed d\u1ee5ng nam ch\u00e2m \u0111i\u1ec7n \u0111\u1ec3 h\u1ea5p th\u1ee5 v\u1eadt n\u1eb7ng, n\u00e2ng v\u1eadt n\u1eb7ng th\u00f4ng qua thanh v\u00edt, sau \u0111\u00f3 c\u1eaft ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 kh\u1eed t\u1eeb, \u0111\u1ec3 v\u1eadt n\u1eb7ng c\u00f3 th\u1ec3 nhanh ch\u00f3ng t\u00e1ch ra v\u00e0 r\u01a1i ho\u00e0n to\u00e0n xu\u1ed1ng \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng v\u00e0o m\u1eabu pin.<\/span><\/span><\/p>\n

3.1 C\u1ea5u tr\u00fac v\u00e0 nguy\u00ean t\u1eafc th\u1eed nghi\u1ec7m<\/span><\/span><\/span><\/h1>\n

Th\u00e2n m\u00e1y ch\u1ee7 bao g\u1ed3m khung, h\u1ed9p, h\u1ed9p \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn n\u00e2ng. H\u1ed9p \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 c\u1eeda s\u1ed5 quan s\u00e1t \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1ea1i tr\u00ean c\u1eeda ch\u1ed1ng ch\u00e1y n\u1ed5 ph\u00eda tr\u01b0\u1edbc. Gi\u00e1 \u0111\u1ee1 bao g\u1ed3m t\u1ea5m \u0111\u00e1y, t\u1ea5m \u0111\u1ec9nh v\u00e0 thanh d\u1eabn h\u01b0\u1edbng n\u00e2ng, v\u00e0 t\u1ea5m \u0111\u1ec9nh \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ph\u00eda tr\u00ean t\u1ea5m \u0111\u00e1y th\u00f4ng qua thanh d\u1eabn h\u01b0\u1edbng n\u00e2ng: t\u1ea5m \u0111\u00e1y \u0111\u01b0\u1ee3c cung c\u1ea5p m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u1eb7t \u0111\u1ec3 \u0111\u1eb7t pin c\u1ea7n th\u1eed nghi\u1ec7m; h\u1ed9p \u0111\u01b0\u1ee3c cung c\u1ea5p m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng \u0111\u1ec3 th\u1eed nghi\u1ec7m t\u00e1c \u0111\u1ed9ng c\u1ee7a pin v\u00e0 c\u1ee5m th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean gi\u00e1 \u0111\u1ee1 \u0111\u1ec3 h\u00fat v\u00e0 nh\u1ea3 tr\u1ecdng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c cung c\u1ea5p m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng, M\u1ed9t c\u1ee5m n\u00e2ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ph\u00eda tr\u00ean c\u1ee5m th\u1eed nghi\u1ec7m v\u00e0 m\u1ed9t c\u1ee5m n\u1eafn th\u1eb3ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ph\u00eda tr\u00ean \u1ed1ng \u0111\u1eb7t \u1edf ph\u00eda d\u01b0\u1edbi gi\u00e1 \u0111\u1ee1: c\u1ee5m n\u00e2ng \u0111\u01b0\u1ee3c l\u1eafp \u1edf ph\u00eda tr\u00ean gi\u00e1 \u0111\u1ee1; c\u1ee5m th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed gi\u1eefa c\u1ee5m n\u00e2ng v\u00e0 c\u1ee5m n\u1eafn th\u1eb3ng, v\u00e0 chuy\u1ec3n \u0111\u1ed9ng l\u00ean xu\u1ed1ng c\u1ee7a c\u1ee5m n\u00e0y \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi c\u1ee5m n\u00e2ng; C\u1ee5m th\u1eed nghi\u1ec7m, c\u1ee5m n\u00e2ng v\u00e0 c\u1ee5m d\u01b0\u01a1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi h\u1ed9p \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi h\u1ed9p \u0111i\u1ec1u khi\u1ec3n.<\/span><\/span><\/p>\n

M\u00e1y ki\u1ec3m tra s\u1eed d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed l\u00e0m ngu\u1ed3n \u0111i\u1ec7n, ph\u00f2ng th\u00ed nghi\u1ec7m th\u01b0\u1eddng c\u00f3 ngu\u1ed3n \u0111i\u1ec7n v\u00e0 kh\u00f4ng kh\u00ed. S\u1eed d\u1ee5ng \u0111i\u1ec7n v\u00e0 kh\u00f4ng kh\u00ed l\u00e0m ngu\u1ed3n \u0111i\u1ec7n c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/span><\/span><\/p>\n

Quy tr\u00ecnh v\u1eadn h\u00e0nh c\u1ee5 th\u1ec3 nh\u01b0 sau: nh\u1ea5n n\u00fat h\u00fat, tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c nam ch\u00e2m \u0111i\u1ec7n h\u00fat, nh\u1ea5n n\u00fat n\u00e2ng, tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean \u0111\u1ed9 cao quy \u0111\u1ecbnh, nh\u1ea5n n\u00fat \u201cth\u1ea3\u201d tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, nam ch\u00e2m \u0111i\u1ec7n s\u1ebd t\u1eaft ngu\u1ed3n v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c th\u1ea3: tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd r\u01a1i t\u1ef1 do v\u00e0o khu v\u1ef1c th\u1eed nghi\u1ec7m, l\u00fac n\u00e0y, tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd nghi\u00eang v\u00e0 kh\u00f4ng th\u1ec3 h\u00fat l\u1ea1i \u0111\u01b0\u1ee3c, v\u00e0 c\u1ea7n ph\u1ea3i nh\u1ea5n n\u00fat \u201cxe th\u1eb3ng \u0111\u1ee9ng\u201d, Nh\u1ea5n n\u00fat \u201cxu\u1ed1ng\u201d tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 h\u1ea1 c\u1ea5u tr\u00fac n\u00e2ng xu\u1ed1ng \u0111\u1ed9 cao c\u00f3 th\u1ec3 h\u00fat tr\u1ecdng l\u01b0\u1ee3ng. Sau \u0111\u00f3 nh\u1ea5n n\u00fat \u201ch\u00fat\u201d m\u1ed9t l\u1ea7n n\u1eefa, b\u00e0n l\u00e0 \u0111i\u1ec7n t\u1eeb s\u1ebd \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd \u0111\u01b0\u1ee3c h\u00fat l\u1ea1i \u0111\u1ec3 th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

3.2 Thi\u1ebft k\u1ebf an to\u00e0n<\/span><\/span><\/span><\/h1>\n

(1)Thi\u1ebft b\u1ecb an to\u00e0n ch\u1ed1ng r\u01a1i ra ngo\u00e0i b\u00faa t\u1ea1. Khi x\u00e1c nh\u1eadn b\u00faa n\u1eb7ng \u0111\u00e3 \u0111\u01b0\u1ee3c h\u00fat, k\u1eb9p an to\u00e0n s\u1ebd \u0111\u01b0\u1ee3c k\u1eb9p \u0111\u1ec3 ng\u0103n b\u00faa n\u1eb7ng r\u01a1i ra ngo\u00e0i m\u1ed9t c\u00e1ch t\u00ecnh c\u1edd trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t ho\u1eb7c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng chu\u1ea9n b\u1ecb kh\u00e1c.<\/span><\/span><\/p>\n

(2) Thi\u1ebft k\u1ebf b\u1ea3o v\u1ec7 gi\u1edbi h\u1ea1n c\u1ee7a c\u00f4ng t\u1eafc ti\u1ec7m c\u1eadn v\u00e0 c\u00f4ng t\u1eafc h\u00e0nh tr\u00ecnh. Khi chi\u1ec1u cao c\u1ee7a b\u00faa t\u0103ng l\u00ean \u0111\u1ebfn chi\u1ec1u cao quy \u0111\u1ecbnh, n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng d\u1eebng l\u1ea1i khi ch\u1ea1m v\u00e0o c\u00f4ng t\u1eafc ti\u1ec7m c\u1eadn. Chi\u1ec1u cao va ch\u1ea1m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed c\u1ee7a c\u00f4ng t\u1eafc ti\u1ec7m c\u1eadn. N\u1ebfu chi\u1ec1u cao n\u00e2ng qu\u00e1 cao, thi\u1ebft b\u1ecb n\u00e2ng s\u1ebd nh\u1ea5n c\u00f4ng t\u1eafc h\u00e0nh tr\u00ecnh tr\u00ean thi\u1ebft b\u1ecb, sau \u0111\u00f3 thi\u1ebft b\u1ecb n\u00e2ng s\u1ebd d\u1eebng l\u1ea1i \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1.<\/span><\/span><\/p>\n

3.3 \u0110i\u1ec3m c\u1ea3i ti\u1ebfn c\u1ee7a thi\u1ebft b\u1ecb<\/span><\/span><\/span><\/h1>\n

C\u00e1c \u0111i\u1ec3m c\u1ea3i ti\u1ebfn bao g\u1ed3m hai kh\u00eda c\u1ea1nh sau: m\u1ed9t m\u1eb7t, m\u00e1y ki\u1ec3m tra va ch\u1ea1m v\u1eadt n\u1eb7ng m\u1edbi c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a \u201c\u0111i\u1ec7n t\u1eeb\u201d, \u201ck\u00e9o kh\u00f4ng d\u00e2y\u201d v\u00e0 \u201ct\u1ef1 \u0111\u1ed9ng thi\u1ebft l\u1eadp l\u1ea1i\u201d;<\/span><\/span><\/p>\n

M\u1eb7t kh\u00e1c, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1eb9p b\u1eb1ng k\u1eb9p an to\u00e0n kh\u00ed n\u00e9n \u0111\u1ec3 ng\u0103n b\u00faa r\u01a1i ra trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t.<\/span><\/span><\/p>\n

4.K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n

Sau khi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o, t\u00ednh ti\u1ec7n l\u1ee3i v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a th\u1eed nghi\u1ec7m va ch\u1ea1m tr\u1ecdng l\u01b0\u1ee3ng pin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa. Khi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf, m\u1ed1i nguy hi\u1ec3m trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m pin \u0111\u01b0\u1ee3c xem x\u00e9t \u0111\u1ea7y \u0111\u1ee7. Do \u0111\u00f3, s\u1ef1 an to\u00e0n c\u1ee7a thi\u1ebft b\u1ecb l\u00e0 tr\u1ecdng t\u00e2m c\u1ee7a thi\u1ebft k\u1ebf n\u00e0y. Thi\u1ebft b\u1ecb \u00e1p d\u1ee5ng b\u1ea3o v\u1ec7 an to\u00e0n theo nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p, v\u1edbi c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd \u0111\u01a1n gi\u1ea3n v\u00e0 v\u1eadn h\u00e0nh d\u1ec5 d\u00e0ng. Thi\u1ebft b\u1ecb n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0 th\u1eed nghi\u1ec7m va ch\u1ea1m trong qu\u00e1 tr\u00ecnh ph\u00e1t hi\u1ec7n th\u1ef1c t\u1ebf \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng n\u00f3 c\u00f3 t\u00ednh th\u1ef1c ti\u1ec5n m\u1ea1nh m\u1ebd v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb tham chi\u1ebfu t\u1ed1t trong ki\u1ec3m tra v\u00e0 \u1ee9ng d\u1ee5ng c\u01a1 h\u1ecdc.<\/span><\/span><\/p>\n

\n
<\/div>\n
<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed, t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed v\u00e0 s\u1ea3n ph\u1ea9m \u0111i\u1ec7n \u0111\u00e3 d\u1ea7n tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng, v\u00e0 pin li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn ch\u00fang \u0111\u00e3 d\u1ea7n thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a m\u1ecdi<\/p>\n","protected":false},"author":1,"featured_media":19806,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19805"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19805\/revisions"}],"predecessor-version":[{"id":22049,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19805\/revisions\/22049"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19806"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}