{"id":19910,"date":"2021-12-23T06:54:41","date_gmt":"2021-12-23T06:54:41","guid":{"rendered":"http:\/\/dgbellvietnam.com\/safety-protection-measures-for-lithium-ion-ev-battery-test-part-2\/"},"modified":"2024-10-25T15:40:47","modified_gmt":"2024-10-25T08:40:47","slug":"safety-protection-measures-for-lithium-ion-ev-battery-test-part-2","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/safety-protection-measures-for-lithium-ion-ev-battery-test-part-2\/","title":{"rendered":"C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 an to\u00e0n khi th\u1eed nghi\u1ec7m pin Lithium ion EV-Ph\u1ea7n 2"},"content":{"rendered":"
\n

3. B\u1ea3o v\u1ec7 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t ph\u1ea7n c\u1ee9ng<\/span><\/span><\/strong><\/span><\/h1>\n

C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o v\u1ec7 nh\u00e2n s\u1ef1 \u0111\u00e3 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea \u1edf tr\u00ean. Kh\u00f4ng kh\u00f3 \u0111\u1ec3 chu\u1ea9n b\u1ecb c\u00e1c thi\u1ebft b\u1ecb n\u00e0y. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u00e0o nh\u1eefng d\u1ecbp th\u00edch h\u1ee3p. Qu\u1ea3n l\u00fd ph\u00f2ng th\u00ed nghi\u1ec7m n\u00ean chu\u1ea9n h\u00f3a t\u00e0i li\u1ec7u hi\u1ec7u qu\u1ea3 n\u00e0y, lo\u1ea1i b\u1ecf suy ngh\u0129 t\u00ea li\u1ec7t c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u1eed nghi\u1ec7m v\u00e0 duy tr\u00ec nh\u1eadn th\u1ee9c ph\u00f2ng ng\u1eeba. C\u00e1c cu\u1ed9c di\u1ec5n t\u1eadp th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 quan tr\u1ecdng nh\u01b0 vi\u1ec7c c\u1ea5u h\u00ecnh c\u00e1c thi\u1ebft b\u1ecb n\u00e0y.<\/span><\/span><\/p>\n

Qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m l\u0103n v\u00e0 th\u1eed nghi\u1ec7m va \u0111\u1eadp ( <\/span><\/span>va ch\u1ea1m<\/span><\/span><\/a> ) trong th\u1eed nghi\u1ec7m l\u00e0m vi\u1ec7c b\u1ea5t th\u01b0\u1eddng ( <\/span><\/span>l\u1ea1m d\u1ee5ng<\/span><\/span><\/a> ) c\u00f3 th\u1ec3 t\u1ea1o ra ph\u1ea3n \u1ee9ng d\u1eef d\u1ed9i. Tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c l\u0103n v\u1edbi l\u1ef1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 1000 l\u1ea7n tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n c\u1ee7a m\u1eabu: th\u1eed nghi\u1ec7m va \u0111\u1eadp l\u00e0 th\u1ea3 m\u1ed9t v\u1eadt n\u1eb7ng 9,1kg t\u1ef1 do t\u1eeb \u0111\u1ed9 cao 610mm v\u00e0 va \u0111\u1eadp v\u00e0o m\u1eabu.<\/span><\/span><\/p>\n

Bu\u1ed3ng th\u1eed<\/span><\/span><\/a> th\u00e9p t\u01b0\u01a1ng \u0111\u1ed1i kh\u00e9p k\u00edn <\/span>c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 t\u1ed1t, nh\u01b0ng s\u1ebd b\u1ea5t ti\u1ec7n v\u00ec \u0111\u01b0\u1eddng ng\u1eafm b\u1ecb ch\u1eb7n trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. C\u1eeda s\u1ed5 quan s\u00e1t c\u00f3 th\u1ec3 m\u1edf b\u1eb1ng k\u00ednh ch\u1ed1ng n\u1ed5 v\u00e0 l\u01b0\u1edbi b\u1ea3o v\u1ec7. L\u01b0\u1edbi b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u1eed nghi\u1ec7m l\u0103n v\u00e0 va \u0111\u1eadp, v\u00e0 c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng v\u00e0 th\u1eed nghi\u1ec7m trong bu\u1ed3ng th\u1eed nghi\u1ec7m. UL khuy\u1ebfn ngh\u1ecb 16 ~ 18 s\u1ee3i nh\u00f4m c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 0,25mm m\u1ed7i inch \u0111\u1ebfn 20 s\u1ee3i th\u00e9p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 0,43mm m\u1ed7i inch. C\u00f3 th\u1ec3 ch\u1ecdn c\u00e1c l\u01b0\u1edbi b\u1ea3o v\u1ec7 kh\u00e1c nhau \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c c\u01b0\u1eddng \u0111\u1ed9 \u01b0\u1edbc t\u00ednh kh\u00e1c nhau v\u00e0 c\u00e1c ch\u1ea5t ph\u00e2n t\u00e1n kh\u00e1c nhau.<\/span><\/span><\/p>\n

Bu\u1ed3ng th\u1eed kh\u00ed h\u1eadu<\/span><\/span><\/a> l\u00e0 m\u1ed9t kh\u00f4ng gian kh\u00ed h\u1eadu \u0111\u1ed9c l\u1eadp. Kh\u00f4ng kh\u00ed l\u01b0u th\u00f4ng. Trong tr\u01b0\u1eddng h\u1ee3p r\u00f2 r\u1ec9 kh\u00ed m\u1eabu ho\u1eb7c ti\u00eam ch\u1ea5t nh\u1edbt, s\u1ef1 khu\u1ea5y \u0111\u1ed9ng v\u00e0 ph\u00e2n t\u00e1n s\u1ebd t\u0103ng l\u00ean. Sau khi h\u00fat v\u00e0o h\u1ec7 th\u1ed1ng l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed, c\u00e1c v\u1eadt l\u1ea1 r\u01a1i v\u00e0o \u1ed1ng d\u1eabn kh\u00ed, c\u00e1nh qu\u1ea1t, l\u00f2 s\u01b0\u1edfi, m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m v\u00e0 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m r\u1ea5t kh\u00f3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch. Sau khi pin kh\u00f4, n\u1ebfu n\u00f3 b\u1ecb treo d\u01b0\u1edbi d\u1ea1ng b\u1ee5i, n\u00f3 c\u0169ng s\u1ebd g\u00e2y ra th\u1ea3m h\u1ecda th\u1ee9 c\u1ea5p l\u1edbn h\u01a1n. Ngay c\u1ea3 khi phun \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi th\u00e0nh h\u1ed9p, th\u00ec \u0111\u00f3 c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t r\u1eafc r\u1ed1i nh\u1ecf. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, h\u1ed9p th\u1eed nghi\u1ec7m c\u00f3 kh\u00f4ng gian l\u00e0m vi\u1ec7c l\u1edbn n\u00ean \u0111\u01b0\u1ee3c ch\u1ecdn tr\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 v\u00e0 ho\u1ea1t \u0111\u1ed9ng kh\u1ea9n c\u1ea5p; Bu\u1ed3ng th\u1eed nghi\u1ec7m ph\u1ea3i c\u00f3 thi\u1ebft k\u1ebf ch\u1ed1ng ch\u00e1y n\u1ed5 nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u00e1nh ma s\u00e1t kim lo\u1ea1i c\u1ee7a tia l\u1eeda \u0111i\u1ec7n, ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng; T\u1ed1t h\u01a1n l\u00e0 c\u00f3 k\u00eanh ph\u00e1t th\u1ea3i kh\u00ed th\u1ea3i. Ngo\u00e0i ra, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u01b0\u1edbi b\u1ea3o v\u1ec7 th\u00edch h\u1ee3p. Vi\u1ec7c thi\u1ebft l\u1eadp l\u01b0\u1edbi b\u1ea3o v\u1ec7 c\u0169ng ph\u1ea3i t\u00ednh \u0111\u1ebfn kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh c\u1ee7a vi\u1ec7c s\u01a1 t\u00e1n kh\u1ea9n c\u1ea5p c\u00e1c m\u1eabu.<\/span><\/span><\/p>\n

B\u1ec7 th\u1eed rung<\/span><\/span><\/a> v\u00e0 b\u1ec7 th\u1eed va \u0111\u1eadp ph\u1ea3i ng\u0103n kh\u00f4ng cho v\u1eadt l\u1ea1 l\u1ecdt v\u00e0o khe h\u1edf c\u1ee7a b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb th\u1eed. C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n c\u0169ng l\u00e0 l\u01b0\u1edbi b\u1ea3o v\u1ec7, nh\u01b0ng l\u01b0\u1edbi b\u1ea3o v\u1ec7 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp cho thi\u1ebft b\u1ecb. Vi\u1ec7c thi\u1ebft l\u1eadp l\u01b0\u1edbi b\u1ea3o v\u1ec7 tr\u00ean m\u1eabu s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u1ea3n \u1ee9ng \u0111\u1ed9ng c\u1ee7a th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

Ph\u1ea3i \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p ch\u1eefa ch\u00e1y ph\u00f9 h\u1ee3p. Theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ea5t ch\u1eefa ch\u00e1y d\u1ea1ng phun v\u00e0 d\u1ea1ng che. Vi\u1ec7c b\u1ea3o qu\u1ea3n thi\u1ebft b\u1ecb ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc \u0111\u1ea7y \u0111\u1ee7 tr\u01b0\u1edbc khi t\u00ecnh tr\u1ea1ng x\u1ea3y ra. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 t\u00ecnh tr\u1ea1ng, vi\u1ec7c ch\u1ea5t ch\u1eefa ch\u00e1y c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c b\u1ea3o qu\u1ea3n thi\u1ebft b\u1ecb hay kh\u00f4ng s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c xem x\u00e9t.<\/span><\/span><\/p>\n

C\u00e0i \u0111\u1eb7t \u0111\u1ea7u d\u00f2 video \u0111\u1ec3 theo d\u00f5i v\u00e0 ghi l\u1ea1i th\u1eed nghi\u1ec7m l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3. N\u00f3 kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 theo d\u00f5i. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 b\u1ea3o qu\u1ea3n h\u00ecnh \u1ea3nh g\u1ed1c. Trong m\u1ecdi t\u00ecnh hu\u1ed1ng, n\u00f3 c\u0169ng l\u01b0u l\u1ea1i qu\u00e1 tr\u00ecnh thu th\u1eadp v\u00e0 ghi l\u1ea1i t\u00e0i li\u1ec7u b\u1eb1ng ch\u1ee9ng. V\u1ecb tr\u00ed c\u00e0i \u0111\u1eb7t \u0111\u1ea7u d\u00f2 video ph\u1ea3i h\u1ee3p l\u00fd v\u00e0 ph\u00f9 h\u1ee3p.<\/span><\/span><\/p>\n

Cho d\u00f9 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 ph\u1ea7n m\u1ec1m hay c\u01a1 s\u1edf ph\u1ea7n c\u1ee9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 an to\u00e0n ph\u00f2ng th\u00ed nghi\u1ec7m, th\u00ec s\u1ef1 ph\u1ed1i h\u1ee3p, t\u00edch h\u1ee3p, b\u1ed5 sung v\u00e0 tri\u1ec3n khai hi\u1ec7u qu\u1ea3 v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o c\u01a1 ch\u1ebf qu\u1ea3n l\u00fd. S\u1eafp x\u1ebfp ho\u1eb7c \u0111\u1ec3 tr\u1ed1ng \u0111\u1ee7 kh\u00f4ng gian cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn an to\u00e0n; C\u00e1c c\u01a1 s\u1edf x\u1ea3 v\u00e0 th\u00f4ng gi\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ho\u1eb7c s\u1eafp x\u1ebfp; Chu\u1ea9n h\u00f3a nguy\u00ean t\u1eafc th\u1ee9 t\u1ef1 v\u00e0 c\u00e2n b\u1eb1ng c\u1ee7a tr\u1ea1ng th\u00e1i x\u1eed l\u00fd b\u1eb1ng v\u0103n b\u1ea3n; Ch\u1ec9 \u0111\u1ecbnh c\u00e1c y\u1ebfu t\u1ed1 v\u00e0 b\u01b0\u1edbc v\u1eadn h\u00e0nh v\u1edbi c\u00e1c quy t\u1eafc th\u1ef1c hi\u1ec7n: t\u1ed5 ch\u1ee9c \u0111\u00e0o t\u1ea1o v\u00e0 di\u1ec5n t\u1eadp nh\u00e2n s\u1ef1; C\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 \u0111\u1ec3 ghi l\u1ea1i, m\u00f4 t\u1ea3 v\u00e0 b\u00e1o c\u00e1o qu\u00e1 tr\u00ecnh tr\u1ea1ng th\u00e1i; V\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 b\u1ea3o qu\u1ea3n c\u00e1c y\u00eau c\u1ea7u b\u1ea3o hi\u1ec3m, v.v.<\/span><\/span><\/p>\n

4.T\u00f3m t\u1eaft<\/span><\/span><\/strong><\/span><\/h1>\n

1) Khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u1ee5m pin v\u00e0 b\u1ed9 pin\/h\u1ec7 th\u1ed1ng pin \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd tr\u01b0\u1edbc\/ph\u1ee5c h\u1ed3i trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9, th\u1eed nghi\u1ec7m v\u00f2ng \u0111\u1eddi v\u00e0 th\u1eed nghi\u1ec7m tho\u00e1t, v\u00e0 sau th\u1eed nghi\u1ec7m ng\u1eafn m\u1ea1ch, th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed th\u1ea5p v\u00e0 th\u1eed nghi\u1ec7m va \u0111\u1eadp rung, c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u1ea3n \u1ee9ng b\u00ean trong c\u1ee7a m\u1eabu th\u1ef1c t\u1ebf ch\u01b0a d\u1eebng l\u1ea1i ho\u1eb7c l\u1eafng xu\u1ed1ng, v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb tr\u1ec5 v\u00e0 tr\u1ea1ng th\u00e1i kh\u00f4ng an to\u00e0n. Vi\u1ec7c \u0111o nhi\u1ec7t \u0111\u1ed9 v\u00e0 quan s\u00e1t ngo\u1ea1i h\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfp t\u1ee5c, v\u00e0 vi\u1ec7c gi\u00e1m s\u00e1t ph\u1ea3i \u0111\u01b0\u1ee3c r\u00fat l\u1ea1i theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng tr\u1ec5 theo y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n. C\u00e1c \u0111i\u1ec1u ki\u1ec7n tho\u00e1t n\u00e0y c\u00f3 th\u1ec3 l\u00e0 quan s\u00e1t li\u00ean t\u1ee5c trong 1 gi\u1edd, 2 gi\u1edd ho\u1eb7c 4 gi\u1edd \u0111\u1ec3 cung c\u1ea5p m\u1ed9t h\u00e0m (\u0111\u01b0\u1eddng cong) nhi\u1ec7t \u0111\u1ed9 theo th\u1eddi gian. Nhi\u1ec7t \u0111\u1ed9 \u1edf \u0111\u00e2y ph\u1ea3i d\u1ea7n d\u1ea7n c\u00f3 xu h\u01b0\u1edbng RT; N\u1ebfu nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i nh\u1ecf h\u01a1n IK trong v\u00f2ng 1 gi\u1edd, th\u00ec \u0111\u01b0\u1ee3c coi l\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u00f3 xu h\u01b0\u1edbng \u1ed5n \u0111\u1ecbnh.<\/span><\/span><\/p>\n

2) Theo c\u00e1c ti\u00eau chu\u1ea9n c\u01a1 s\u1edf th\u1eed nghi\u1ec7m kh\u00e1c nhau. C\u00e1c thi\u1ebft l\u1eadp tham s\u1ed1 v\u00e0 ti\u00eau ch\u00ed cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ebft th\u00fac th\u1eed nghi\u1ec7m l\u00e0 kh\u00e1c nhau. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, nhi\u1ec7t \u0111\u1ed9 k\u1ebft th\u00fac th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111\u01b0a ra theo \u201cnhi\u1ec7t \u0111\u1ed9 \u00f4 k\u00edn\u201d, \u201cnhi\u1ec7t \u0111\u1ed9 ph\u00e1 v\u1ee1 m\u00e0ng\u201d c\u1ee7a m\u1eabu th\u1eed nghi\u1ec7m ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p kho\u1ea3ng 5K; M\u1ed9t s\u1ed1 th\u1eed nghi\u1ec7m y\u00eau c\u1ea7u m\u00f4 t\u1ea3 \u0111i\u1ec3n h\u00ecnh v\u1ec1 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u1eed nghi\u1ec7m ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng (l\u1ea1m d\u1ee5ng).<\/span><\/span><\/p>\n

3) Trong ph\u00e9p \u0111o nhi\u1ec7t \u0111\u1ed9, ch\u00fang ta s\u1ebd g\u1eb7p monome pin c\u00f3 bao b\u00ec kh\u00e1c nhau. C\u00e1c ki\u1ec3u bao b\u00ec, v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y kh\u00e1c nhau s\u1ebd t\u1ea1o ra hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t kh\u00e1c nhau, t\u1ee9c l\u00e0 gradient. C\u00e1c y\u1ebfu t\u1ed1 n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh trong c\u00e1c thi\u1ebft l\u1eadp hi\u1ec7u ch\u1ec9nh trong h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng, ph\u00e2n t\u00edch v\u00e0 c\u1ea3nh b\u00e1o s\u1edbm. Do \u0111\u00f3, c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ebft th\u00fac v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 ti\u00eau ch\u00ed c\u1ee7a th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh r\u00f5 r\u00e0ng trong thi\u1ebft k\u1ebf th\u1eed nghi\u1ec7m ho\u1eb7c \u1ee7y th\u00e1c. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn b\u1ea3n ch\u1ea5t c\u1ee7a th\u00ed nghi\u1ec7m v\u00e0 m\u1ee5c ti\u00eau nhi\u1ec7m v\u1ee5.<\/span><\/span><\/p>\n

4) M\u1eb7c d\u00f9 vi\u1ec7c \u0111o v\u00e0 ghi l\u1ea1i c\u00e1c th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9 trong c\u00e1c th\u1eed nghi\u1ec7m v\u1eadn h\u00e0nh b\u1ea5t th\u01b0\u1eddng (l\u1ea1m d\u1ee5ng) c\u00f3 v\u1ebb kh\u00f4ng quan tr\u1ecdng, nh\u01b0ng vi\u1ec7c ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c b\u00ean trong c\u1ee7a c\u00e1c m\u1eabu trong c\u00e1c h\u1ea1ng m\u1ee5c th\u1eed nghi\u1ec7m nh\u01b0 \u0111o\u1ea3n m\u1ea1ch b\u00ean ngo\u00e0i, va \u0111\u1eadp, rung \u0111\u1ed9ng, nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ea9m cao, qu\u00e1 t\u1ea3i v\u00e0 x\u1ea3 l\u1ea1i c\u1ef1c k\u1ef3 c\u00f3 gi\u00e1 tr\u1ecb.<\/span><\/span><\/p>\n

5) B\u1ed1 tr\u00ed c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u1ea3i c\u00f3 danh s\u00e1ch ph\u00e2n ph\u1ed1i v\u1ecb tr\u00ed m\u1eabu t\u01b0\u01a1ng \u1ee9ng. \u0110\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m m\u1eabu c\u1ee7a cell pin \u0111\u01a1n. \u0110\u1eb7c bi\u1ec7t c\u1ea7n ph\u1ea3i \u0111\u1ecbnh v\u1ecb cell pin \u0111\u01a1n trong c\u1ee5m pin\/h\u1ec7 th\u1ed1ng. C\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 n\u00e0y c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb kh\u00e2u chu\u1ea9n b\u1ecb th\u1eed nghi\u1ec7m. Th\u1ef1c hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c li\u00ean k\u1ebft th\u1eed nghi\u1ec7m cho \u0111\u1ebfn khi m\u1eabu tho\u00e1t kh\u1ecfi th\u1eed nghi\u1ec7m, lu\u00f4n \u0111i k\u00e8m v\u1edbi m\u1eabu cell pin.<\/span><\/span><\/p>\n

6) Nguy\u00ean l\u00fd v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u1ea3o v\u1ec7 ch\u1ed1ng n\u1ed5 v\u00e0 ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh \u0111\u00fang. Kh\u00f4ng n\u00ean chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng h\u00f3a h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u s\u1ea1c trong cell pin th\u00e0nh n\u0103ng l\u01b0\u1ee3ng n\u1ed5 ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng TNT. V\u1ee5 n\u1ed5 v\u00e0 ch\u00e1y do th\u1eed nghi\u1ec7m ch\u1ee7 y\u1ebfu l\u00e0 do nhi\u1ec7t \u0111\u1ed9 cao do h\u01b0 h\u1ecfng b\u00ean trong cell pin (ng\u1eafn m\u1ea1ch ho\u1eb7c t\u0103ng \u0111i\u1ec7n tr\u1edf b\u00ean trong) ho\u1eb7c gi\u1ea3i ph\u00f3ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao t\u1ee9c th\u1eddi do ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng trong cell pin do l\u1ef1c b\u00ean ngo\u00e0i v\u00e0 nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i g\u00e2y ra. V\u1ee5 n\u1ed5 c\u00e0ng d\u1eef d\u1ed9i. \u0110i\u1ec1u n\u00e0y kh\u00e1c v\u1edbi ki\u1ec3u v\u00e0 hi\u1ec7u \u1ee9ng c\u1ee7a v\u1ee5 n\u1ed5 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc TNT. Khi b\u1ed9t kim lo\u1ea1i nh\u1eb9 ho\u1eb7c ch\u1ea5t d\u1ec5 ch\u00e1y trong cell pin tr\u00e0n ra trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao, n\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n ch\u00e1y. G\u00e2y ra ch\u00e1y. C\u00e1c \u0111i\u1ec1u ki\u1ec7n ch\u00e1y b\u1ec1n v\u1eefng kh\u00f4ng \u0111\u1ee7, c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn \u0111\u1eb7c t\u00ednh ch\u00e1y c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n g\u1ea7n \u0111i\u1ec3m \u0111\u00e1nh l\u1eeda. Hi\u1ec7u su\u1ea5t ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u b\u1ecdc m\u1eabu th\u1eed ph\u1ea3i \u0111\u01b0\u1ee3c bi\u1ebft tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m. Hi\u1ec7u su\u1ea5t ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o tr\u01b0\u1edbc, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ee5m pin \/ h\u1ec7 th\u1ed1ng c\u00f3 c\u00e1c th\u00e0nh ph\u1ea7n t\u00edch h\u1ee3p ph\u1ee9c t\u1ea1p. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1eabu \u0111\u00fac kim lo\u1ea1i nh\u1eb9 ho\u1eb7c v\u1ecf nh\u1ef1a gi\u00f2n, quy m\u00f4 va ch\u1ea1m ho\u1eb7c ph\u00e2n t\u00e1n m\u1ea3nh v\u1ee1 c\u00f3 th\u1ec3 x\u1ea3y ra trong v\u1ee5 n\u1ed5 c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn.<\/span><\/span><\/p>\n

7) S\u1eed d\u1ee5ng l\u01b0\u1edbi b\u1ea3o v\u1ec7 trong bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 s\u1ebd l\u00e0m thay \u0111\u1ed5i s\u1ef1 ph\u00e2n b\u1ed1 nhi\u1ec7t \u0111\u1ed9 trong bu\u1ed3ng th\u1eed. Ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 h\u01a1n l\u00e0 hi\u1ec7u chu\u1ea9n m\u00f4i tr\u01b0\u1eddng nh\u1ecf trong l\u01b0\u1edbi b\u1ea3o v\u1ec7. Hi\u1ec7u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/span><\/span><\/p>\n

8) Ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng v\u00e0 ki\u1ec3m tra hi\u1ec7u su\u1ea5t c\u1ee7a pin lithium-ion \u00f4 t\u00f4 r\u1ea5t t\u1ed1n k\u00e9m t\u1eeb gi\u00e1 tr\u1ecb c\u1ee7a m\u1eabu th\u1eed nghi\u1ec7m \u0111\u1ebfn chi ph\u00ed th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m. To\u00e0n b\u1ed9 th\u1eddi gian th\u1eed nghi\u1ec7m c\u0169ng r\u1ea5t d\u00e0i. \u0110\u1ed3ng th\u1eddi, ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 an to\u00e0n thi\u1ebft y\u1ebfu, \u0111i\u1ec1u n\u00e0y ch\u1eafc ch\u1eafn s\u1ebd d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 t\u1ed5n th\u1ea5t b\u1ed5 sung, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ea5t c\u1ea3m bi\u1ebfn v\u00e0 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb. Do \u0111\u00f3, tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m, th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eadp k\u1ebf ho\u1ea1ch v\u00e0 thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn, v\u00e0 ho\u1ea1t \u0111\u1ed9ng ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn trong th\u1eed nghi\u1ec7m \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 tr\u01b0\u1edbc khi n\u00f3 x\u1ea3y ra, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ho\u00e0n ch\u1ec9nh.<\/span><\/span><\/p>\n

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

3. B\u1ea3o v\u1ec7 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t ph\u1ea7n c\u1ee9ng C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o v\u1ec7 nh\u00e2n s\u1ef1 \u0111\u00e3 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea \u1edf tr\u00ean. Kh\u00f4ng kh\u00f3 \u0111\u1ec3 chu\u1ea9n b\u1ecb c\u00e1c thi\u1ebft b\u1ecb n\u00e0y. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u00e0o nh\u1eefng d\u1ecbp th\u00edch h\u1ee3p. Qu\u1ea3n l\u00fd ph\u00f2ng th\u00ed nghi\u1ec7m n\u00ean chu\u1ea9n h\u00f3a t\u00e0i<\/p>\n","protected":false},"author":1,"featured_media":19911,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19910","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\/19910","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=19910"}],"version-history":[{"count":1,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19910\/revisions"}],"predecessor-version":[{"id":22108,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19910\/revisions\/22108"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19911"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}