{"id":42766,"date":"2024-11-21T15:31:49","date_gmt":"2024-11-21T20:31:49","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/from-bumpers-to-brakes-piezoceramic-sensors-in-automotive-applications\/"},"modified":"2025-01-21T07:10:49","modified_gmt":"2025-01-21T12:10:49","slug":"from-bumpers-to-brakes-piezoceramic-sensors-in-automotive-applications","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/from-bumpers-to-brakes-piezoceramic-sensors-in-automotive-applications\/","title":{"rendered":"C\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n g\u1ed1m: T\u1eeb c\u1ea3n xe \u0111\u1ebfn phanh"},"content":{"rendered":"

V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n (piezoceramic) \u0111\u00e3 v\u00e0 \u0111ang \u0111\u00f3ng g\u00f3p m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 \u00f4 t\u00f4 hi\u1ec7n \u0111\u1ea1i. Kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb h\u1ec7 th\u1ed1ng an to\u00e0n th\u1ee5 \u0111\u1ed9ng nh\u01b0 c\u1ea3m bi\u1ebfn va ch\u1ea1m \u0111\u1ebfn h\u1ec7 th\u1ed1ng phanh ch\u1ee7 \u0111\u1ed9ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o vi\u1ec7c \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n trong l\u0129nh v\u1ef1c \u00f4 t\u00f4, t\u1eadp trung v\u00e0o vai tr\u00f2 c\u1ee7a ch\u00fang trong c\u00e1c h\u1ec7 th\u1ed1ng t\u1eeb c\u1ea3m bi\u1ebfn c\u1ea3n va \u0111\u1ebfn h\u1ec7 th\u1ed1ng phanh.<\/p>\n

C\u1ea3m bi\u1ebfn va ch\u1ea1m (Bumpers)<\/h3>\n

C\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong c\u1ea3n xe c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n va ch\u1ea1m, ngay c\u1ea3 \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p. Khi x\u1ea3y ra va ch\u1ea1m, v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n b\u1ecb bi\u1ebfn d\u1ea1ng, t\u1ea1o ra m\u1ed9t t\u00edn hi\u1ec7u \u0111i\u1ec7n. T\u00edn hi\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, k\u00edch ho\u1ea1t c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n nh\u01b0 t\u00fai kh\u00ed ho\u1eb7c d\u00e2y \u0111ai an to\u00e0n. \u0110\u1ed9 nh\u1ea1y c\u1ee7a c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i va ch\u1ea1m kh\u00e1c nhau, gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t an to\u00e0n.<\/p>\n

C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t l\u1ed1p<\/h3>\n

Vi\u1ec7c duy tr\u00ec \u00e1p su\u1ea5t l\u1ed1p \u0111\u00fang ti\u00eau chu\u1ea9n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t nhi\u00ean li\u1ec7u, \u0111\u1ed9 b\u00e1m \u0111\u01b0\u1eddng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a l\u1ed1p. C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t l\u1ed1p s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t b\u00ean trong l\u1ed1p v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng d\u00e2y \u0111\u1ebfn ng\u01b0\u1eddi l\u00e1i. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi l\u00e1i ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u00e1p su\u1ea5t l\u1ed1p, tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 nguy hi\u1ec3m v\u00e0 ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u.<\/p>\n

H\u1ec7 th\u1ed1ng phanh (Brakes)<\/h3>\n

V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n c\u0169ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong h\u1ec7 th\u1ed1ng phanh, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ec7 th\u1ed1ng phanh ch\u1ed1ng b\u00f3 c\u1ee9ng (ABS) v\u00e0 h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng \u0111i\u1ec7n t\u1eed (ESP). Ch\u00fang \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ea3m bi\u1ebfn \u0111o l\u1ef1c phanh v\u00e0 t\u1ed1c \u0111\u1ed9 quay c\u1ee7a b\u00e1nh xe, cung c\u1ea5p d\u1eef li\u1ec7u cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u1ef1c phanh tr\u00ean t\u1eebng b\u00e1nh xe, gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng b\u00f3 c\u1ee9ng phanh v\u00e0 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a xe.<\/p>\n

C\u1ea3m bi\u1ebfn gia t\u1ed1c v\u00e0 rung \u0111\u1ed9ng<\/h3>\n

Trong c\u00e1c h\u1ec7 th\u1ed1ng treo v\u00e0 ki\u1ec3m so\u00e1t \u1ed5n \u0111\u1ecbnh, c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o gia t\u1ed1c v\u00e0 rung \u0111\u1ed9ng c\u1ee7a xe. D\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh h\u1ec7 th\u1ed1ng treo, gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 \u00eam \u00e1i v\u00e0 \u1ed5n \u0111\u1ecbnh khi v\u1eadn h\u00e0nh.<\/p>\n

H\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 \u0111\u1ed7 xe<\/h3>\n

M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 \u0111\u1ed7 xe s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch \u0111\u1ebfn c\u00e1c v\u1eadt c\u1ea3n. M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 \u1ee9ng d\u1ee5ng tr\u1ef1c ti\u1ebfp c\u1ee7a v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, nh\u01b0ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, n\u1ebfu s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn si\u00eau \u00e2m, c\u00e1c h\u00e3ng s\u1ea3n xu\u1ea5t nh\u01b0 Beijing Ultrasonic c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00f4ng ngh\u1ec7 \u00e1p \u0111i\u1ec7n \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 nh\u1ea1y c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n\n\n\n\n\n
\u1ee8ng d\u1ee5ng<\/th>\nCh\u1ee9c n\u0103ng<\/th>\nL\u1ee3i \u00edch<\/th>\n<\/tr>\n<\/thead>\n
C\u1ea3m bi\u1ebfn va ch\u1ea1m<\/td>\nPh\u00e1t hi\u1ec7n va ch\u1ea1m<\/td>\nK\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng an to\u00e0n<\/td>\n<\/tr>\n
C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t l\u1ed1p<\/td>\n\u0110o \u00e1p su\u1ea5t l\u1ed1p<\/td>\nAn to\u00e0n, ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u<\/td>\n<\/tr>\n
H\u1ec7 th\u1ed1ng phanh<\/td>\n\u0110o l\u1ef1c phanh v\u00e0 t\u1ed1c \u0111\u1ed9 b\u00e1nh xe<\/td>\nCh\u1ed1ng b\u00f3 c\u1ee9ng phanh, c\u00e2n b\u1eb1ng \u0111i\u1ec7n t\u1eed<\/td>\n<\/tr>\n
C\u1ea3m bi\u1ebfn gia t\u1ed1c<\/td>\n\u0110o gia t\u1ed1c v\u00e0 rung \u0111\u1ed9ng<\/td>\nC\u1ea3i thi\u1ec7n s\u1ef1 \u00eam \u00e1i v\u00e0 \u1ed5n \u0111\u1ecbnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1eeb c\u1ea3m bi\u1ebfn va ch\u1ea1m \u0111\u1ebfn h\u1ec7 th\u1ed1ng phanh, v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n \u0111\u00e3 ch\u1ee9ng minh t\u00ednh linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4. S\u1ef1 ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng ngh\u1ec7 \u00e1p \u0111i\u1ec7n h\u1ee9a h\u1eb9n s\u1ebd mang l\u1ea1i nhi\u1ec1u c\u1ea3i ti\u1ebfn h\u01a1n n\u1eefa cho ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 trong t\u01b0\u01a1ng lai, g\u00f3p ph\u1ea7n n\u00e2ng cao t\u00ednh an to\u00e0n, hi\u1ec7u su\u1ea5t v\u00e0 tr\u1ea3i nghi\u1ec7m l\u00e1i xe.<\/p>\n","protected":false},"excerpt":{"rendered":"

V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n (piezoceramic) \u0111\u00e3 v\u00e0 \u0111ang \u0111\u00f3ng g\u00f3p m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 \u00f4 t\u00f4 hi\u1ec7n \u0111\u1ea1i. Kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb h\u1ec7<\/p>\n","protected":false},"author":1,"featured_media":1505,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-42766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/42766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=42766"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/42766\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/1505"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=42766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=42766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=42766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}