{"id":20056,"date":"2024-09-25T10:23:06","date_gmt":"2024-09-25T03:23:06","guid":{"rendered":"https:\/\/\/?p=20056"},"modified":"2024-10-23T13:33:51","modified_gmt":"2024-10-23T06:33:51","slug":"dong-co-dohc-sohc-la-gi-su-khac-nhau-va-uu-diem-cua-tung-loai-dong-co","status":"publish","type":"post","link":"https:\/\/\/dong-co-dohc-sohc-la-gi-su-khac-nhau-va-uu-diem-cua-tung-loai-dong-co.html\/","title":{"rendered":"\u0110\u1ed9ng c\u01a1 DOHC – SOHC l\u00e0 g\u00ec? S\u1ef1 kh\u00e1c nhau v\u00e0 \u01b0u \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i \u0111\u1ed9ng c\u01a1"},"content":{"rendered":"

Khi ch\u1ecdn mua m\u1ed9t chi\u1ebfc xe m\u00e1y, hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c lo\u1ea1i \u0111\u1ed9ng c\u01a1 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c. B\u00e0i vi\u1ebft n\u00e0y Ph\u00e1t Ti\u1ebfn s\u1ebd gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t gi\u1eefa \u0111\u1ed9ng c\u01a1 DOHC v\u00e0 SOHC, c\u00f9ng v\u1edbi nh\u1eefng \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i.<\/span><\/p>\n

1. \u0110\u1ed9ng c\u01a1 DOHC V\u00e0 SOHC l\u00e0 g\u00ec?<\/span><\/h2>\n
–SOHC (Single Overhead Camshaft):<\/strong> \u0110\u00e2y l\u00e0 lo\u1ea1i \u0111\u1ed9ng c\u01a1 ch\u1ec9 c\u00f3 m\u1ed9t tr\u1ee5c cam duy nh\u1ea5t b\u1ed1 tr\u00ed \u1edf ph\u00eda tr\u00ean xi-lanh, \u0111i\u1ec1u khi\u1ec3n c\u1ea3 xupap n\u1ea1p v\u00e0 x\u1ea3 th\u00f4ng qua c\u00f2 m\u1ed5 ho\u1eb7c con \u0111\u1ed9i. Th\u00f4ng th\u01b0\u1eddng, \u0111\u1ed9ng c\u01a1 SOHC ch\u1ec9 c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed t\u1eeb 2 \u0111\u1ebfn 3 van cho m\u1ed7i xi-lanh. Khi mu\u1ed1n l\u1eafp 4 van, c\u1ea5u tr\u00fac s\u1ebd tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n.<\/span><\/p>\n $\"\"$ \n
–DOHC (Double Overhead Camshaft):<\/strong> \u0110\u1ed9ng c\u01a1 DOHC s\u1eed d\u1ee5ng hai tr\u1ee5c cam \u0111\u1eb7t tr\u00ean \u0111\u1ec9nh xi-lanh, \u0111i\u1ec1u khi\u1ec3n ri\u00eang bi\u1ec7t c\u00e1c xupap n\u1ea1p v\u00e0 x\u1ea3. \u0110i\u1ec1u n\u00e0y gi\u00fap d\u1ec5 d\u00e0ng b\u1ed1 tr\u00ed 4 van cho m\u1ed7i xi-lanh, t\u0103ng hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh v\u00e0 cho ph\u00e9p \u0111\u1ed9ng c\u01a1 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00f2ng quay l\u1edbn h\u01a1n.<\/span><\/p>\n $\"\"$ \n
2. S\u1ef1 kh\u00e1c nhau gi\u1eefa \u0111\u1ed9ng c\u01a1 DOHC V\u00e0 SOHC<\/span><\/h3>\n
–K\u1ebft c\u1ea5u v\u00e0 s\u1ed1 l\u01b0\u1ee3ng tr\u1ee5c cam:<\/strong> SOHC c\u00f3 c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n v\u1edbi m\u1ed9t tr\u1ee5c cam duy nh\u1ea5t, trong khi DOHC c\u00f3 hai tr\u1ee5c cam \u0111i\u1ec1u khi\u1ec3n ri\u00eang bi\u1ec7t c\u00e1c van.<\/span><\/p>\n
–S\u1ed1 l\u01b0\u1ee3ng Van:<\/strong> \u0110\u1ed9ng c\u01a1 SOHC th\u01b0\u1eddng c\u00f3 2 ho\u1eb7c 3 van cho m\u1ed7i xi-lanh, trong khi DOHC d\u1ec5 d\u00e0ng b\u1ed1 tr\u00ed 4 van, t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng n\u1ea1p v\u00e0 x\u1ea3 kh\u00ed, gi\u00fap xe ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 h\u01a1n.<\/span><\/p>\n
–Hi\u1ec7u su\u1ea5t v\u1eadn h\u00e0nh:<\/strong> SOHC ph\u00f9 h\u1ee3p h\u01a1n cho v\u00f2ng tua th\u1ea5p, mang l\u1ea1i m\u00f4-men xo\u1eafn cao h\u01a1n \u1edf d\u1ea3i t\u1ed1c \u0111\u1ed9 th\u1ea5p. DOHC \u01b0u th\u1ebf \u1edf v\u00f2ng tua cao, gi\u00fap \u0111\u1ed9ng c\u01a1 \u0111\u1ea1t c\u00f4ng su\u1ea5t t\u1ed1i \u0111a l\u1edbn h\u01a1n, th\u00edch h\u1ee3p cho nh\u1eefng xe c\u1ea7n t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c t\u1ed1t.<\/span><\/p>\n
–Kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7:<\/strong> \u0110\u1ed9ng c\u01a1 DOHC c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 van bi\u1ebfn thi\u00ean, gi\u00fap t\u1ed1i \u01b0u h\u00f3a ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh theo \u0111i\u1ec1u ki\u1ec7n l\u00e1i. Trong khi \u0111\u00f3, vi\u1ec7c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y tr\u00ean SOHC g\u1eb7p nhi\u1ec1u kh\u00f3 kh\u0103n do c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n c\u1ee7a n\u00f3.<\/span><\/p>\n $\"\"$ \n
Xem th\u00eam <\/span>B\u1ea3ng gi\u00e1 xe Honda Future m\u1edbi nh\u1ea5t 2024<\/a><\/strong><\/em><\/span><\/p>\n
3. \u01afu v\u00e0 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u0111\u1ed9ng c\u01a1 DOHC V\u00e0 SOHC<\/span><\/h3>\n
\u01afu \u0111i\u1ec3m c\u1ee7a SOHC:<\/strong><\/p>\n
\n
C\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n, d\u1ec5 s\u1eeda ch\u1eefa v\u00e0 b\u1ea3o d\u01b0\u1ee1ng.<\/span><\/li>\n
Gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n, gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t.<\/span><\/li>\n
Ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh trong \u0111\u00f4 th\u1ecb, n\u01a1i kh\u00f4ng c\u1ea7n v\u00f2ng tua qu\u00e1 cao.<\/span><\/li>\n<\/ul>\n
Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a SOHC:<\/strong><\/p>\n
\n
C\u00f4ng su\u1ea5t t\u1ed1i \u0111a th\u1ea5p h\u01a1n so v\u1edbi DOHC c\u00f3 c\u00f9ng dung t\u00edch xi-lanh.<\/span><\/li>\n
Kh\u1ea3 n\u0103ng b\u1ed1 tr\u00ed \u00edt van h\u01a1n, hi\u1ec7u qu\u1ea3 \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u kh\u00f4ng t\u1ed1i \u01b0u.<\/span><\/li>\n<\/ul>\n
Xem th\u00eam <\/span>\u0110\u00e1nh gi\u00e1 chi ti\u1ebft v\u1ec1 c\u00e1c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a Honda Winner X 2024<\/a><\/strong><\/em><\/span><\/p>\n
\u01afu \u0111i\u1ec3m c\u1ee7a DOHC:<\/strong><\/p>\n
\n
C\u00f4ng su\u1ea5t l\u1edbn h\u01a1n, t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh n\u1ea1p x\u1ea3 kh\u00ed, gi\u00fap xe \u0111\u1ea1t hi\u1ec7u su\u1ea5t v\u1eadn h\u00e0nh cao h\u01a1n.<\/span><\/li>\n
Kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn nh\u01b0 van bi\u1ebfn thi\u00ean, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 nhi\u00ean li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh.<\/span><\/li>\n<\/ul>\n
Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a DOHC:<\/strong><\/p>\n
\n
C\u1ea5u t\u1ea1o ph\u1ee9c t\u1ea1p, chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 s\u1eeda ch\u1eefa cao h\u01a1n.<\/span><\/li>\n
Tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn h\u01a1n, \u0111\u00f4i khi l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u.<\/span><\/li>\n<\/ul>\n
4. Ch\u1ecdn \u0111\u1ed9ng c\u01a1 n\u00e0o cho ph\u00f9 h\u1ee3p?<\/span><\/h3>\n
\n
N\u1ebfu b\u1ea1n \u01b0u ti\u00ean ti\u1ebft ki\u1ec7m chi ph\u00ed, d\u1ec5 s\u1eeda ch\u1eefa v\u00e0 v\u1eadn h\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n \u0111\u00f4 th\u1ecb: SOHC l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. C\u00e1c d\u00f2ng xe ph\u1ed5 th\u00f4ng v\u00e0 ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u th\u01b0\u1eddng s\u1eed d\u1ee5ng lo\u1ea1i \u0111\u1ed9ng c\u01a1 n\u00e0y, mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i trong b\u1ea3o d\u01b0\u1ee1ng v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa th\u1ea5p h\u01a1n.<\/span><\/li>\n
N\u1ebfu b\u1ea1n t\u00ecm ki\u1ebfm hi\u1ec7u su\u1ea5t cao, kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c m\u1ea1nh m\u1ebd: DOHC s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng. \u0110\u00e2y l\u00e0 lo\u1ea1i \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c d\u00f2ng xe th\u1ec3 thao, xe ph\u00e2n kh\u1ed1i l\u1edbn, mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m l\u00e1i m\u1ea1nh m\u1ebd v\u00e0 t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i.<\/span><\/li>\n<\/ul>\n
Xem th\u00eam <\/span>Gi\u00e1 xe Wave Alpha 110 bao gi\u1ea5y t\u1edd l\u00e0 bao nhi\u00eau?<\/a><\/strong><\/em><\/span><\/p>\n
<\/p>\n
D\u00f9 ch\u1ecdn lo\u1ea1i \u0111\u1ed9ng c\u01a1 n\u00e0o, b\u1ea1n c\u0169ng c\u1ea7n c\u00e2n nh\u1eafc \u0111\u1ebfn nhu c\u1ea7u s\u1eed d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh \u0111\u1ec3 l\u1ef1a ch\u1ecdn chi\u1ebfc xe ph\u00f9 h\u1ee3p nh\u1ea5t. V\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i \u0111\u1ed9ng c\u01a1, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u00e0 h\u1ee3p l\u00fd cho m\u00ecnh.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
Khi ch\u1ecdn mua m\u1ed9t chi\u1ebfc xe m\u00e1y, hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c lo\u1ea1i \u0111\u1ed9ng c\u01a1 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c. B\u00e0i vi\u1ebft n\u00e0y Ph\u00e1t Ti\u1ebfn s\u1ebd gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t gi\u1eefa \u0111\u1ed9ng c\u01a1 DOHC v\u00e0 SOHC, c\u00f9ng v\u1edbi nh\u1eefng \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i. 1. \u0110\u1ed9ng c\u01a1 DOHC […]<\/p>\n","protected":false},"author":26,"featured_media":20057,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[85],"tags":[],"_links":{"self":[{"href":"https:\/\/\/wp-json\/wp\/v2\/posts\/20056"}],"collection":[{"href":"https:\/\/\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/comments?post=20056"}],"version-history":[{"count":1,"href":"https:\/\/\/wp-json\/wp\/v2\/posts\/20056\/revisions"}],"predecessor-version":[{"id":20060,"href":"https:\/\/\/wp-json\/wp\/v2\/posts\/20056\/revisions\/20060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/media\/20057"}],"wp:attachment":[{"href":"https:\/\/\/wp-json\/wp\/v2\/media?parent=20056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/categories?post=20056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/\/wp-json\/wp\/v2\/tags?post=20056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}