{"id":1581,"date":"2026-08-22T06:20:50","date_gmt":"2026-08-22T06:20:50","guid":{"rendered":"https:\/\/benlongkj.com\/?p=1581"},"modified":"2026-08-22T06:20:53","modified_gmt":"2026-08-22T06:20:53","slug":"solid-state-relay","status":"publish","type":"post","link":"https:\/\/benlongkj.com\/vi\/blog\/solid-state-relay\/","title":{"rendered":"C\u00e1ch ki\u1ec3m tra R\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn"},"content":{"rendered":"

Th\u00e0nh th\u1ea1o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u00fang cho thi\u1ebft b\u1ecb r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng qu\u00fd gi\u00e1 \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi tham gia v\u00e0o vi\u1ec7c t\u1ea1o ra, qu\u1ea3n l\u00fd v\u00e0 mua s\u1eafm h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n. B\u1edfi v\u00ec r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn<\/strong> kh\u00f4ng ch\u1ee9a c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 h\u1ecdc, ch\u00fang c\u00f3 th\u1ec3 h\u1ecfng theo c\u00e1ch kh\u00e1c v\u1edbi r\u01a1 le \u0111i\u1ec7n c\u01a1 truy\u1ec1n th\u1ed1ng v\u00e0 kh\u00f4ng th\u1ec3 ph\u00e2n t\u00edch b\u1eb1ng c\u00e1c quy tr\u00ecnh ki\u1ec3m tra ti\u00eau chu\u1ea9n. Th\u01b0\u1eddng th\u00ec, SSR h\u1ecfng m\u1ed9t c\u00e1ch \u00e2m th\u1ea7m, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c thi\u1ebft b\u1ecb b\u1ecb k\u00edch ho\u1ea1t sai ho\u1eb7c th\u1eadm ch\u00ed d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 trong khi h\u1ec7 th\u1ed1ng n\u00ean \u0111\u01b0\u1ee3c t\u1eaft ho\u00e0n to\u00e0n. C\u00e1c k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn trong b\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn cho c\u00e1c lo\u1ea1i ki\u1ec3m tra SSR kh\u00e1c nhau, b\u1eaft \u0111\u1ea7u t\u1eeb ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n b\u1eb1ng \u0111\u1ed3ng h\u1ed3 \u0111o v\u00e0 k\u1ebft th\u00fac b\u1eb1ng ki\u1ec3m tra x\u00e1c minh \u0111i\u1ec7n \u0111\u1ea7y \u0111\u1ee7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean s\u00e0n s\u1ea3n xu\u1ea5t.<\/p>\n

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T\u1ea1i sao vi\u1ec7c ki\u1ec3m tra SSR kh\u00e1c v\u1edbi r\u01a1 le c\u01a1 h\u1ecdc<\/h2>\n

M\u1ed9t r\u01a1 le c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 m\u1edf v\u00e0 \u0111\u00f3ng c\u00e1c ti\u1ebfp \u0111i\u1ec3m kim lo\u1ea1i n\u00ean khi s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u1eb7t \u1edf ch\u1ebf \u0111\u1ed9 li\u00ean t\u1ee5c, c\u00e1c k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c r\u1ea5t r\u00f5 r\u00e0ng: \u0111\u00f3ng ngh\u0129a l\u00e0 g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng ohm, m\u1edf ngh\u0129a l\u00e0 v\u00f4 c\u1ef1c. Trong khi \u0111\u00f3, SSR th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n m\u1ea1ch b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb tr\u1ea1ng th\u00e1i r\u1eafn nh\u01b0 TRIAC, SCR ho\u1eb7c FET v\u00e0 \u0111\u00f3 l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i ho\u00e0n to\u00e0n kh\u00e1c. Ngay c\u1ea3 khi kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, m\u1ed9t SSR t\u1ed1t c\u0169ng cho ph\u00e9p m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf d\u00f2ng r\u00f2 r\u1ec9 ch\u1ea3y khi n\u00f3 t\u1eaft, v\u00e0 \u1edf ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng n\u00f3 gi\u1ea3m m\u1ed9t \u0111i\u1ec7n \u00e1p nh\u1ea5t \u0111\u1ecbnh thay v\u00ec ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc \u0111\u00f3ng ho\u00e0n h\u1ea3o. V\u00ec l\u00fd do n\u00e0y, ph\u00e9p \u0111o \u0111i\u1ec7n tr\u1edf qua c\u00e1c \u0111\u1ea7u ra c\u1ee7a m\u1ed9t SSR b\u00ecnh th\u01b0\u1eddng c\u00f3 th\u1ec3 kh\u00e1 g\u00e2y nh\u1ea7m l\u1eabn v\u00e0 c\u00f3 th\u1ec3 ch\u1ec9 ra m\u1ed9t b\u1ed9 ph\u1eadn b\u1ecb l\u1ed7i. M\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh khi\u1ebfn ki\u1ec3m tra r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn<\/strong> tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p l\u00e0 v\u00ec m\u1ecdi ng\u01b0\u1eddi ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1c nguy\u00ean t\u1eafc gi\u1ed1ng nh\u01b0 h\u1ecd \u00e1p d\u1ee5ng cho r\u01a1 le c\u01a1 h\u1ecdc.<\/p>\n

Chu\u1ea9n b\u1ecb v\u00e0 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft<\/strong><\/h2>\n

Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c n\u00e0o, h\u00e3y thu th\u1eadp m\u1ed9t \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng k\u1ef9 thu\u1eadt s\u1ed1, c\u00f3 ch\u1ee9c n\u0103ng \u0111o diode v\u00e0 \u0111i\u1ec7n tr\u1edf, c\u0169ng nh\u01b0 ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u\/ xoay chi\u1ec1u \u0111i\u1ec7n \u00e1p th\u1ea5p ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a r\u01a1 le. C\u0169ng n\u00ean s\u1eed d\u1ee5ng m\u1ed9t t\u1ea3i th\u1eed nh\u1ecf, v\u00ed d\u1ee5 nh\u01b0 b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t ho\u1eb7c b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb s\u01b0\u1edfi \u1ed1ng n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi v\u1ecb tr\u00ed. M\u1ed9t thi\u1ebft b\u1ecb ki\u1ec3m tra \u0111i\u1ec7n \u00e1p cao l\u00e0 c\u1ea7n thi\u1ebft cho m\u1ee5c \u0111\u00edch an to\u00e0n v\u00e0 ki\u1ec3m tra c\u00e1ch ly n\u1ebfu nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb x\u00e1c minh s\u1ef1 t\u00e1ch bi\u1ec7t gi\u1eefa m\u1ea1ch \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p th\u00f4ng tin v\u1ec1 s\u1ed1 hi\u1ec7u b\u1ed9 ph\u1eadn, \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n, d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra v\u00e0 d\u00f2ng r\u00f2 r\u1ec9 \u1edf tr\u1ea1ng th\u00e1i t\u1eaft. Vi\u1ec7c bi\u1ebft \u0111\u00f3 l\u00e0 m\u1ea1ch DC hay AC l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n h\u00e0nh vi t\u01b0\u01a1ng lai c\u1ee7a thi\u1ebft b\u1ecb. SSR zero-crossing ch\u1ec9 c\u00f3 th\u1ec3 b\u1eadt khi \u0111i\u1ec7n \u00e1p b\u1eb1ng kh\u00f4ng; v\u00ec l\u00fd do n\u00e0y, n\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho t\u1ea3i tr\u1edf, trong khi m\u00f4 h\u00ecnh random-fire \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111i\u1ec1u khi\u1ec3n pha.<\/p>\n

C\u1ea3nh b\u00e1o c\u00e1c r\u1ee7i ro an to\u00e0n<\/strong><\/h2>\n

\u0110\u1ea7u ra c\u1ee7a r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi, v\u00e0 \u0111\u1ebf kim lo\u1ea1i c\u1ee7a n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng r\u1ea5t g\u1ea7n v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i b\u00e1n d\u1eabn \u0111ang ho\u1ea1t \u0111\u1ed9ng. Do \u0111\u00f3, m\u1ea1ch n\u00ean \u0111\u01b0\u1ee3c ng\u1eaft ngu\u1ed3n, t\u1ea5t c\u1ea3 c\u00e1c t\u1ee5 \u0111i\u1ec7n n\u00ean \u0111\u01b0\u1ee3c x\u1ea3 \u0111i\u1ec7n, v\u00e0 \u0111i\u1ec7n \u00e1p n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng k\u1ef9 thu\u1eadt s\u1ed1 tr\u01b0\u1edbc khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0o m\u1ea1ch. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m ho\u1ea1t \u0111\u1ed9ng c\u00f3 ngu\u1ed3n, ph\u1ea3i s\u1eed d\u1ee5ng m\u1ea1ch c\u00f3 c\u1ea7u ch\u00ec ph\u00f9 h\u1ee3p \u0111\u1ec3 k\u1ebft n\u1ed1i r\u01a1le v\u00e0 m\u1ed9t tay n\u00ean \u0111\u01b0\u1ee3c gi\u1eef ph\u00eda sau l\u01b0ng khi l\u00e0m vi\u1ec7c g\u1ea7n d\u00e2y \u0111i\u1ec7n \u0111ang c\u00f3 \u0111i\u1ec7n. Trong tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m tra c\u00e1ch ly, c\u1ea7n nh\u1edb r\u1eb1ng m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p cao s\u1eed d\u1ee5ng \u0111i\u1ec7n \u00e1p cao v\u00e0 ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1edfi nh\u00e2n vi\u00ean \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o khi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c t\u00e1ch ra kh\u1ecfi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a m\u00e1y.<\/p>\n

C\u00e1ch ki\u1ec3m tra r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng<\/h2>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p m\u00e0 m\u1ecdi ng\u01b0\u1eddi h\u1ecfi trong c\u00e1c x\u01b0\u1edfng l\u00e0 c\u00e1ch ki\u1ec3m tra r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn<\/strong>, v\u00e0 s\u1ef1 th\u1eadt l\u00e0, trong khi \u0111\u1ed3ng h\u1ed3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i l\u1edbn, n\u00f3 kh\u00f4ng th\u1ec3 cho bi\u1ebft tr\u1ea1ng th\u00e1i thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch ho\u00e0n ch\u1ec9nh. Nh\u01b0ng ch\u1ec9 b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n ki\u1ec3m tra b\u1eb1ng \u0111\u1ed3ng h\u1ed3, b\u1ea1n c\u00f3 th\u1ec3 s\u00e0ng l\u1ecdc h\u1ea7u h\u1ebft c\u00e1c r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn b\u1ecb l\u1ed7i v\u00e0 b\u1ecb ch\u1eadp ch\u1ec9 trong v\u00e0i ph\u00fat. Tr\u01b0\u1edbc h\u1ebft, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u1eaft kh\u1ecfi ngu\u1ed3n cung c\u1ea5p. Sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed3ng h\u1ed3 sang ch\u1ebf \u0111\u1ed9 diode v\u00e0 ki\u1ec3m tra c\u00e1c c\u1ef1c \u0111\u1ea7u v\u00e0o ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n c\u1ee7a r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn. N\u1ebfu r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn n\u00e0y ho\u1ea1t \u0111\u1ed9ng v\u1edbi \u0111\u1ea7u v\u00e0o DC v\u00e0 s\u1eed d\u1ee5ng opto coupler v\u00e0 LED, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p thu\u1eadn theo m\u1ed9t chi\u1ec1u v\u00e0 \u0111\u1ecdc m\u1edf m\u1ea1ch theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i, gi\u1ed1ng nh\u01b0 m\u1ed9t diode. N\u1ebfu \u0111\u1ecdc m\u1edf m\u1ea1ch \u1edf c\u1ea3 hai chi\u1ec1u, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y \u0111\u1ea7u v\u00e0o b\u1ecb h\u1edf. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ecdc g\u1ea7n b\u1eb1ng kh\u00f4ng \u1edf c\u1ea3 hai chi\u1ec1u, \u0111i\u1ec1u \u0111\u00f3 ch\u1ec9 ra \u0111\u1ea7u v\u00e0o b\u1ecb ch\u1eadp.<\/p>\n

B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 ki\u1ec3m tra c\u00e1c c\u1ef1c \u0111\u1ea7u ra. \u0110\u1eb7t \u0111\u1ed3ng h\u1ed3 \u1edf ch\u1ebf \u0111\u1ed9 \u0111o \u0111i\u1ec7n tr\u1edf v\u00e0 ki\u1ec3m tra \u0111\u1ea7u ra. Trong r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn ho\u1ea1t \u0111\u1ed9ng, b\u1ea1n n\u00ean th\u1ea5y \u0111i\u1ec7n tr\u1edf cao \u1edf c\u1ea3 hai chi\u1ec1u, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u00e1n d\u1eabn kh\u00f4ng d\u1eabn \u0111i\u1ec7n. N\u1ebfu c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ecdc g\u1ea7n b\u1eb1ng kh\u00f4ng theo m\u1ed9t chi\u1ec1u, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y \u0111\u1ea7u ra b\u1ecb ch\u1eadp, \u0111\u00e2y l\u00e0 l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 nguy hi\u1ec3m nh\u1ea5t c\u1ee7a r\u01a1le tr\u1ea1ng th\u00e1i r\u1eafn.<\/p>\n

Th\u00ed nghi\u1ec7m ch\u1ee9c n\u0103ng c\u00f3 ngu\u1ed3n<\/h2>\n

Th\u1eed nghi\u1ec7m tr\u00ean b\u00e0n t\u1ed1i \u01b0u ho\u00e0n ch\u1ec9nh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u00ed nghi\u1ec7m ch\u1ee9c n\u0103ng c\u00f3 ngu\u1ed3n, trong \u0111\u00f3 x\u00e1c nh\u1eadn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb. K\u1ebft n\u1ed1i c\u00e1c c\u1ef1c \u0111\u1ea7u ra n\u1ed1i ti\u1ebfp v\u1edbi \u0111\u00e8n th\u1eed v\u00e0 ngu\u1ed3n cung c\u1ea5p li\u00ean quan trong khi gi\u1eef k\u1ebft n\u1ed1i \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng k\u1ebft n\u1ed1i. Khi kh\u00f4ng c\u00f3 \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n, \u0111\u00e8n ph\u1ea3i t\u1eaft. N\u1ebfu \u0111\u00e8n s\u00e1ng nh\u1eb9, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y \u0111\u1ea7u ra b\u1ecb ch\u1eadp. B\u00e2y gi\u1edd c\u1ea5p \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n v\u00e0o \u0111\u1ea7u v\u00e0o v\u00e0 r\u01a1le kh\u1ecfe m\u1ea1nh s\u1ebd b\u1eadt \u0111\u00e8n v\u1edbi \u0111\u1ed9 s\u00e1ng \u0111\u1ea7y \u0111\u1ee7. Sau khi ng\u1eaft \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n, \u0111\u00e8n ph\u1ea3i ho\u00e0n to\u00e0n t\u1eaft. N\u1ebfu \u0111\u1ea7u ra kh\u00f4ng b\u1eadt khi c\u00f3 \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n \u1edf \u0111\u1ea7u v\u00e0o, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y thi\u1ebft b\u1ecb b\u1ecb h\u1edf ho\u1eb7c n\u1ebfu n\u00f3 kh\u00f4ng t\u1eaft khi \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n t\u1eaft, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u00e1n d\u1eabn \u0111\u1ea7u ra \u0111\u00e3 h\u1ecfng.<\/p>\n

Trong khi thi\u1ebft b\u1ecb v\u1eabn \u0111ang \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n, c\u00f3 th\u1ec3 \u0111o \u0111i\u1ec7n \u00e1p r\u01a1i t\u1ea1i th\u1eddi \u0111i\u1ec3m l\u00e0m vi\u1ec7c b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng. \u0110i\u1ec7n \u00e1p r\u01a1i kho\u1ea3ng 1-1,5 volt tr\u00ean SSR TRIAC AC \u0111\u01b0\u1ee3c coi l\u00e0 b\u00ecnh th\u01b0\u1eddng v\u00e0 n\u1ebfu qu\u00e1 cao, \u0111i\u1ec1u \u0111\u00f3 ng\u1ee5 \u00fd r\u1eb1ng b\u00e1n d\u1eabn \u0111ang gi\u00e0 \u0111i v\u00e0 n\u00f3ng l\u00ean. \u0110o d\u00f2ng r\u00f2 \u1edf tr\u1ea1ng th\u00e1i t\u1eaft qua \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng s\u1ebd cho th\u1ea5y m\u1ee9c \u0111\u1ed9 chuy\u1ec3n m\u1ea1ch t\u1ed1t nh\u01b0 th\u1ebf n\u00e0o. V\u00ec v\u1eady, hai ph\u00e9p \u0111o n\u00e0y ph\u00e2n bi\u1ec7t thi\u1ebft b\u1ecb k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi thi\u1ebft b\u1ecb t\u1ed1t.<\/p>\n

Ki\u1ec3m tra SSR cho \u0111\u1ea7u v\u00e0o AC<\/h2>\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ec1u nh\u1eadn t\u00edn hi\u1ec7u v\u1edbi \u0111i\u1ec1u khi\u1ec3n DC. Trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o AC, \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n d\u1ef1 ki\u1ebfn n\u1eb1m trong kho\u1ea3ng 90-280 AC, v\u00ec v\u1eady c\u00f4ng th\u1ee9c ki\u1ec3m tra diode \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3 kh\u00f4ng \u00e1p d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. \u0110\u1ed1i v\u1edbi lo\u1ea1i thi\u1ebft b\u1ecb n\u00e0y, c\u00e1ch an to\u00e0n v\u00e0 d\u1ec5 d\u00e0ng l\u00e0 ch\u1ec9 th\u1ef1c hi\u1ec7n ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u00f3 ngu\u1ed3n: b\u1eadt \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n AC \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh v\u00e0 ki\u1ec3m tra xem thi\u1ebft b\u1ecb c\u00f3 \u0111\u01b0\u1ee3c b\u1eadt theo \u0111\u00f3 hay kh\u00f4ng. Do \u0111\u00f3, kh\u00f4ng th\u1ec3 \u0111o \u0111i\u1ec7n tr\u1edf trong thi\u1ebft b\u1ecb AC do \u0111i\u1ec7n \u00e1p th\u1ea5p v\u00e0 do \u0111\u00f3 kh\u00f3 di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c qua vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 \u0111o.<\/p>\n

Ki\u1ec3m tra c\u00e1ch ly v\u00e0 Hi-Pot<\/h2>\n

\u0110\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng kh\u00f4ng th\u1ec3 ki\u1ec3m tra m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh nh\u01b0 t\u00ecnh tr\u1ea1ng c\u00e1ch \u0111i\u1ec7n gi\u1eefa m\u1ea1ch \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra. Trong khi r\u00e0o c\u1ea3n n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111i\u1ec7n \u00e1p cao kh\u00f4ng \u0111\u1ebfn \u0111\u01b0\u1ee3c ph\u00eda \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p th\u1ea5p c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u00e2y l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 an to\u00e0n quan tr\u1ecdng c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u00f4ng qua th\u1eed nghi\u1ec7m ch\u1ecbu \u0111i\u1ec7n m\u00f4i ho\u1eb7c hi-pot, bao g\u1ed3m vi\u1ec7c \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p cao cho m\u1ea1ch \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra trong m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u1ed3ng th\u1eddi theo d\u00f5i kh\u1ea3 n\u0103ng b\u1ecb ph\u00e1 v\u1ee1 ho\u1eb7c d\u00f2ng r\u00f2 qu\u00e1 m\u1ee9c. M\u1ed9t thi\u1ebft b\u1ecb v\u01b0\u1ee3t qua ki\u1ec3m tra ch\u1ee9c n\u0103ng nh\u01b0ng kh\u00f4ng \u0111\u1ea1t ki\u1ec3m tra c\u00e1ch ly quy tr\u00ecnh r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn<\/strong> l\u00e0 kh\u00f4ng an to\u00e0n v\u00e0 ph\u1ea3i b\u1ecb lo\u1ea1i b\u1ecf, v\u00ec l\u1ed7i c\u00e1ch \u0111i\u1ec7n kh\u00f4ng nh\u00ecn th\u1ea5y s\u1ebd kh\u00f4ng xu\u1ea5t hi\u1ec7n trong b\u1ea5t k\u1ef3 ki\u1ec3m tra chuy\u1ec3n m\u1ea1ch n\u00e0o. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t coi vi\u1ec7c x\u00e1c minh hi-pot l\u00e0 b\u1eaft bu\u1ed9c thay v\u00ec t\u00f9y ch\u1ecdn.<\/p>\n

H\u00e0nh vi nhi\u1ec7t v\u00e0 l\u1ed7i nhi\u1ec7t<\/h2>\n

Khi m\u1ed9t SSR \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, n\u00f3 c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m \u0111i\u1ec7n \u00e1p v\u00e0 g\u00e2y ra nhi\u1ec7t, \u0111i\u1ec1u n\u00e0y chi\u1ebfm ph\u1ea7n l\u1edbn c\u00e1c l\u1ed7i tr\u00ean th\u1ef1c t\u1ebf. M\u1ed9t SSR ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng sau khi d\u1eabn d\u00f2ng \u0111i\u1ec7n trong v\u00e0i ph\u00fat tr\u00ean m\u1ed9t b\u1ed9 t\u1ea3n nhi\u1ec7t ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p. Trong tr\u01b0\u1eddng h\u1ee3p nghi ng\u1edd c\u00f3 l\u1ed7i nhi\u1ec7t, n\u00ean th\u1ef1c hi\u1ec7n ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u00f3 ngu\u1ed3n v\u1edbi t\u1ea3i \u0111\u1ecbnh m\u1ee9c trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i v\u00e0 theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 b\u1ea3n m\u1ea1ch. N\u1ebfu m\u1ed9t thi\u1ebft b\u1ecb cho th\u1ea5y s\u1ef1 t\u0103ng \u0111i\u1ec7n \u00e1p r\u01a1i khi b\u1eadt v\u00e0 h\u00e0nh vi chuy\u1ec3n m\u1ea1ch kh\u00f4ng \u1ed5n \u0111\u1ecbnh, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u00e1n d\u1eabn c\u1ee7a n\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n. Vi\u1ec7c t\u1ea3n nhi\u1ec7t \u0111\u00fang c\u00e1ch v\u00e0 v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a gi\u1ea3i ph\u00e1p, m\u1eb7c d\u00f9 chu k\u1ef3 nhi\u1ec7t trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m l\u00e0m l\u1ed9 ra v\u1ea5n \u0111\u1ec1. Do \u0111\u00f3, c\u00e1c SSR \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u01b0 th\u1eeba v\u1edbi bi\u00ean \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n \u0111\u1ee7 v\u00e0 \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean b\u1ed9 t\u1ea3n nhi\u1ec7t c\u00f3 c\u00f4ng su\u1ea5t ph\u00f9 h\u1ee3p s\u1ebd v\u01b0\u1ee3t qua c\u00e1c b\u00e0i ki\u1ec3m tra t\u1ed1t, trong khi m\u1ed9t thi\u1ebft b\u1ecb b\u1ecb qu\u00e1 nhi\u1ec7t s\u1ebd th\u1ea5t b\u1ea1i trong v\u00e0i ph\u00fat. Ghi l\u1ea1i nhi\u1ec7t \u0111\u1ed9 b\u1ea3n m\u1ea1ch v\u00e0o cu\u1ed1i th\u00ed nghi\u1ec7m cung c\u1ea5p m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u1ec3 so s\u00e1nh trong t\u01b0\u01a1ng lai.<\/p>\n

\"\"<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra m\u1ed9t r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn<\/h2>\n

K\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 ki\u1ec3m tra kh\u00e1c nhau gi\u00fap d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh m\u1ed9t thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i. M\u1ed9t trong nh\u1eefng d\u1ea5u hi\u1ec7u ch\u00ednh c\u1ee7a s\u1ef1 c\u1ed1 l\u00e0 t\u1ea3i v\u1eabn \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n b\u1ea5t k\u1ec3 t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n. V\u1ea5n \u0111\u1ec1 ng\u01b0\u1ee3c l\u1ea1i li\u00ean quan \u0111\u1ebfn \u0111\u1ea7u ra m\u1edf c\u0169ng nh\u01b0 giai \u0111o\u1ea1n \u0111\u1ea7u v\u00e0o ch\u1ebft. Khi t\u1ea3i nh\u1ea5p nh\u00e1y v\u00e0 chuy\u1ec3n m\u1ea1ch k\u00e9m v\u00e0 ch\u1ec9 b\u1eadt khi n\u00f3 n\u00f3ng l\u00ean, \u0111i\u1ec1u \u0111\u00f3 ch\u1ee9ng t\u1ecf s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a b\u00e1n d\u1eabn ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m ho\u1eb7c v\u1ea5n \u0111\u1ec1 v\u1edbi \u0111i\u1ec1u khi\u1ec3n. N\u00f3i chung, \u0111\u1ec3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u m\u1ed9t r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn c\u00f3 b\u1ecb h\u1ecfng hay kh\u00f4ng, c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o v\u00e0 ki\u1ec3m tra chuy\u1ec3n m\u1ea1ch ch\u1ee9c n\u0103ng c\u00f9ng v\u1edbi ki\u1ec3m tra c\u00e1ch ly n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau.<\/p>\n

Ki\u1ec3m tra trong m\u1ea1ch so v\u1edbi ngo\u00e0i m\u1ea1ch<\/h2>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c th\u1ef1c hi\u1ec7n ki\u1ec3m tra b\u1eb1ng v\u1edbi t\u1ea7m quan tr\u1ecdng c\u1ee7a v\u1ecb tr\u00ed ki\u1ec3m tra. Ki\u1ec3m tra s\u1ea1ch nh\u1ea5t l\u00e0 khi ch\u00fang ta ki\u1ec3m tra r\u01a1 le \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00e1o ra kh\u1ecfi m\u00e1y. \u0110\u00e2y l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t, v\u00ec kh\u00f4ng c\u00f3 g\u00ec c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ch\u1ec9 s\u1ed1 \u0111o c\u1ee7a b\u1ea1n. T\u1ea5t nhi\u00ean, \u0111\u1ed3ng h\u1ed3 ch\u1ec9 \u0111o r\u01a1 le, ki\u1ec3m tra ch\u1ee9c n\u0103ng ch\u1ec9 y\u00eau c\u1ea7u t\u1ea3i m\u00e0 b\u1ea1n bi\u1ebft, v\u00e0 kh\u00f4ng c\u00f3 m\u1ea1ch song song l\u00e0m ph\u1ee9c t\u1ea1p c\u00e1c ph\u00e9p \u0111o trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. Tuy nhi\u00ean, n\u1ebfu c\u00e2u h\u1ecfi l\u00e0 quan tr\u1ecdng t\u1ed1i \u0111a, t\u1ed1t h\u01a1n l\u00e0 th\u00e1o SSR ra v\u00e0 ki\u1ec3m tra n\u00f3. Ki\u1ec3m tra trong m\u1ea1ch l\u00e0 c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 nhanh h\u01a1n v\u00ec thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea5u d\u00e2y, nh\u01b0ng nhi\u1ec1u y\u1ebfu t\u1ed1, m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u1ea3i c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3; do \u0111\u00f3, d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb ki\u1ec3m tra trong m\u1ea1ch ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 th\u00f4ng tin s\u01a1 b\u1ed9. N\u1ebfu nghi ng\u1edd; h\u00e3y ki\u1ec3m tra ngo\u00e0i m\u1ea1ch: n\u1ebfu kh\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn sai v\u1ec1 ph\u1ea7n t\u1eed b\u1ecb l\u1ed7i v\u00e0 thay th\u1ebf thi\u1ebft b\u1ecb \u0111ang ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ec3 v\u1ea5n \u0111\u1ec1 th\u1ef1c s\u1ef1 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/p>\n

Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n

C\u00f3 m\u1ed9t s\u1ed1 sai l\u1ea7m ph\u1ed5 bi\u1ebfn m\u00e0 c\u00e1c chuy\u00ean gia c\u0169ng m\u1eafc ph\u1ea3i. Sai l\u1ea7m \u0111\u1ea7u ti\u00ean l\u00e0 k\u1ef3 v\u1ecdng r\u1eb1ng \u0111\u1ea7u cu\u1ed1i c\u1ee7a SSR s\u1ebd hi\u1ec3n th\u1ecb m\u1ea1ch h\u1edf ho\u1eb7c ch\u1eadp khi \u0111o b\u1eb1ng \u0111\u1ed3ng h\u1ed3 ohm; c\u00e1c b\u00e1n d\u1eabn ho\u1ea1t \u0111\u1ed9ng kh\u00e1c bi\u1ec7t v\u00e0 c\u00e1c gi\u00e1 tr\u1ecb r\u00f2 r\u1ec9 th\u00f4ng th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi c\u00e1c k\u1ebft qu\u1ea3 h\u1ecfng h\u00f3c. Sai l\u1ea7m th\u1ee9 hai l\u00e0 \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra, ho\u1eb7c l\u00e0 cung c\u1ea5p \u0111i\u1ec7n \u00e1p kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c lo\u1ea1i \u0111i\u1ec7n \u00e1p sai (v\u00ed d\u1ee5: cung c\u1ea5p DC thay v\u00ec AC). Sai l\u1ea7m th\u1ee9 ba l\u00e0 ti\u1ebfn h\u00e0nh ki\u1ec3m tra m\u00e0 kh\u00f4ng c\u00f3 t\u1ea3i, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 che gi\u1ea5u \u0111\u1ea7u ra b\u1ecb l\u1ed7i v\u00ec kh\u00f4ng c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua h\u1ec7 th\u1ed1ng. Sai l\u1ea7m th\u1ee9 t\u01b0 l\u00e0 kh\u00f4ng th\u1ef1c hi\u1ec7n ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n, v\u00e0 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng m\u1ed9t thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch \u0111\u00fang c\u00e1ch th\u00ec ph\u1ea3i an to\u00e0n. C\u00f3 th\u1ec3 c\u00f3 s\u1ef1 chuy\u1ec3n m\u1ea1ch ho\u00e0n h\u1ea3o c\u1ee7a m\u1ed9t r\u01a1 le nh\u01b0ng \u0111\u1ed3ng th\u1eddi n\u00f3 c\u00f3 th\u1ec3 m\u1ea5t \u0111i r\u00e0o c\u1ea3n c\u00e1ch \u0111i\u1ec7n.<\/p>\n

T\u1eeb ki\u1ec3m tra tr\u00ean b\u00e0n \u0111\u1ebfn ki\u1ec3m tra quy m\u00f4 s\u1ea3n xu\u1ea5t<\/h2>\n

Cu\u1ed9c th\u1ea3o lu\u1eadn tr\u01b0\u1edbc \u0111\u00e2y xoay quanh \u00fd t\u01b0\u1edfng ki\u1ec3m tra t\u1eebng r\u01a1 le ri\u00eang bi\u1ec7t, \u0111i\u1ec1u n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa, nh\u01b0ng nhi\u1ec7m v\u1ee5 s\u1ea3n xu\u1ea5t l\u1ea1i l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n ho\u00e0n to\u00e0n kh\u00e1c. Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh m\u1ed9t c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t h\u00e0ng tr\u0103m ngh\u00ecn SSR m\u1ed7i ca, vi\u1ec7c ki\u1ec3m tra th\u1ee7 c\u00f4ng t\u1eebng SSR s\u1ea3n xu\u1ea5t l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ef1c t\u1ebf, ch\u1eadm v\u00e0 kh\u00f4ng th\u1ec3 ghi ch\u00e9p \u0111\u1ea7y \u0111\u1ee7 cho nhu c\u1ea7u ch\u1ee9ng nh\u1eadn. C\u00e1c quy tr\u00ecnh ri\u00eang l\u1ebb kh\u00f4ng kh\u00e1c nhi\u1ec1u so v\u1edbi nh\u1eefng quy tr\u00ecnh \u0111\u00e3 m\u00f4 t\u1ea3 trong c\u00e1c ph\u1ea7n tr\u01b0\u1edbc; tuy nhi\u00ean, ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng h\u00f3a, s\u1eafp x\u1ebfp theo tr\u00ecnh t\u1ef1 v\u00e0 ghi ch\u00e9p l\u1ea1i. C\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u01b0\u1ee3c ki\u1ec3m tra bao g\u1ed3m c\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c, \u0111i\u1ec7n \u00e1p s\u1ee5t gi\u1ea3m \u0111\u1ea7u ra, d\u00f2ng \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n \u0111\u1ea7u v\u00e0o, \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n, v\u00e0 n\u1ebfu c\u1ea7n, ki\u1ec3m tra chu k\u1ef3 nhi\u1ec7t. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m m\u00e0 c\u00e1ch ki\u1ec3m tra r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn<\/strong> ki\u1ebfn th\u1ee9c chuy\u1ec3n t\u1eeb k\u1ef9 n\u0103ng x\u01b0\u1edfng th\u00e0nh m\u1ed9t k\u1ef7 lu\u1eadt s\u1ea3n xu\u1ea5t.<\/p>\n

Benlong Automation x\u00e2y d\u1ef1ng ch\u00ednh x\u00e1c lo\u1ea1i d\u00e2y chuy\u1ec1n t\u00edch h\u1ee3p n\u00e0y. D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng s\u1eed d\u1ee5ng r\u01a1le b\u00e1n d\u1eabn<\/a> k\u1ebft h\u1ee3p \u0111\u1eb7t SMT, h\u00e0n, phun keo v\u00e0 m\u1ed9t b\u1ed9 ki\u1ec3m tra ch\u1ee9c n\u0103ng \u0111\u1ea7y \u0111\u1ee7 \u0111o c\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c, \u0111i\u1ec7n \u00e1p s\u1ee5t gi\u1ea3m \u0111\u1ea7u ra, \u0111\u1ed9 b\u1ec1n c\u00e1ch \u0111i\u1ec7n b\u1eb1ng hi-pot l\u00ean \u0111\u1ebfn hai ngh\u00ecn n\u0103m tr\u0103m volt AC, v\u00e0 \u0111\u1eb7c t\u00ednh nhi\u1ec7t, sau \u0111\u00f3 t\u1ea3i m\u1ecdi k\u1ebft qu\u1ea3 l\u00ean h\u1ec7 th\u1ed1ng MES \u0111\u1ec3 theo d\u00f5i ho\u00e0n ch\u1ec9nh t\u1eebng \u0111\u01a1n v\u1ecb. B\u1edfi v\u00ec c\u00e1c ki\u1ec3m tra \u0111i\u1ec7n gi\u1ed1ng nh\u01b0 b\u1ea1n th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c thi\u1ebft b\u1ecb ki\u1ec3m tra l\u1eadp tr\u00ecnh v\u1edbi t\u1ed1c \u0111\u1ed9 h\u01a1n m\u1ed9t ngh\u00ecn \u0111\u01a1n v\u1ecb m\u1ed7i ca v\u00e0 \u0111\u01b0\u1ee3c ghi l\u1ea1i t\u1ef1 \u0111\u1ed9ng, nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3 s\u1ef1 nh\u1ea5t qu\u00e1n v\u00e0 d\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n c\u1ea7n thi\u1ebft cho s\u1ef1 tu\u00e2n th\u1ee7 IEC 62314. \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai chuy\u1ec3n t\u1eeb ki\u1ec3m tra tr\u00ean b\u00e0n th\u1ec9nh tho\u1ea3ng sang \u0111\u1ea7u ra ti\u00eau chu\u1ea9n h\u00f3a, c\u00f3 th\u1ec3 ch\u1ee9ng nh\u1eadn, m\u1ed9t d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng bi\u1ebfn quy tr\u00ecnh th\u1ee7 c\u00f4ng th\u00e0nh m\u1ed9t quy tr\u00ecnh c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c ghi ch\u00e9p.<\/p>\n

X\u00e2y d\u1ef1ng m\u1ed9t quy tr\u00ecnh ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n<\/h2>\n

M\u1ed9t quy tr\u00ecnh t\u1ed1t k\u1ebft n\u1ed1i c\u00e1c k\u1ef9 thu\u1eadt th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed7i l\u1ea7n. B\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c ki\u1ec3m tra b\u1eb1ng m\u1eaft \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 v\u1ebft n\u1ee9t, \u0111\u1ed5i m\u00e0u v\u00e0 m\u00f9i ch\u00e1y n\u00e0o, v\u00ec b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb b\u1ecb h\u01b0 h\u1ecfng v\u1eadt l\u00fd n\u00e0o c\u0169ng s\u1ebd h\u1ecfng tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 ki\u1ec3m tra. Ti\u1ebfp theo, chuy\u1ec3n sang m\u00e0n h\u00ecnh \u0111\u1ecdc c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o \u1edf \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb ch\u1ebft ho\u1eb7c ch\u1eadp m\u1ea1ch n\u00e0o. Ti\u1ebfn h\u00e0nh ki\u1ec3m tra tr\u1ef1c ti\u1ebfp \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng b\u1eadt-t\u1eaft \u0111\u00fang c\u1ee7a thi\u1ebft b\u1ecb d\u01b0\u1edbi t\u1ea3i b\u00ecnh th\u01b0\u1eddng v\u00e0 \u0111o \u0111i\u1ec7n \u00e1p gi\u1ea3m trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng. K\u1ebft th\u00fac b\u1eb1ng ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n trong b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p an to\u00e0n ho\u1eb7c ch\u1ee9ng nh\u1eadn n\u00e0o. L\u00e0m vi\u1ec7c theo th\u1ee9 t\u1ef1 n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ed7i b\u01b0\u1edbc ho\u1eb7c l\u00e0 x\u00e1c nh\u1eadn thi\u1ebft b\u1ecb kh\u00f4ng c\u00f3 l\u1ed7i ho\u1eb7c d\u1eebng b\u1ea1n l\u1ea1i tr\u01b0\u1edbc khi b\u1ea1n l\u00e3ng ph\u00ed c\u00f4ng s\u1ee9c v\u00e0o m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u00e3 cho th\u1ea5y l\u1ed7i, \u0111\u00f3 l\u00e0 b\u1ea3n ch\u1ea5t th\u1ef1c ti\u1ec5n c\u1ee7a quy tr\u00ecnh t\u1ed1t Ki\u1ec3m tra SSR<\/strong>.<\/p>\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n

Hi\u1ec3u bi\u1ebft c\u00e1ch ki\u1ec3m tra r\u01a1 le tr\u1ea1ng th\u00e1i r\u1eafn<\/strong> c\u00e1c thi\u1ebft b\u1ecb l\u00e0 t\u00f4n tr\u1ecdng nh\u1eefng g\u00ec l\u00e0m cho ch\u00fang kh\u00e1c bi\u1ec7t so v\u1edbi r\u01a1-le c\u01a1 h\u1ecdc v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p cho t\u1eebng l\u1edbp ki\u1ec3m tra. M\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111a n\u0103ng ki\u1ec3m tra c\u00e1c v\u1ea5n \u0111\u1ec1 ch\u00ednh v\u1ec1 \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra, m\u1ed9t b\u00e0i ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u00f3 ngu\u1ed3n x\u00e1c nh\u1eadn vi\u1ec7c chuy\u1ec3n m\u1ea1ch m\u01b0\u1ee3t m\u00e0 d\u01b0\u1edbi t\u1ea3i trong khi \u0111o \u0111i\u1ec7n \u00e1p gi\u1ea3m khi b\u1eadt v\u00e0 r\u00f2 r\u1ec9, v\u00e0 m\u1ed9t b\u00e0i ki\u1ec3m tra hi-pot \u0111\u1ea3m b\u1ea3o r\u00e0o c\u1ea3n c\u00e1ch \u0111i\u1ec7n m\u00e0 kh\u00f4ng \u0111\u1ed3ng h\u1ed3 \u0111a n\u0103ng n\u00e0o c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c. Nh\u1eefng b\u00e0i ki\u1ec3m tra n\u00e0y \u0111\u1ee7 cho vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. Trong tr\u01b0\u1eddng h\u1ee3p s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn, c\u00e1c nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1ef1 \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 truy xu\u1ea5t tr\u00ean m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t duy nh\u1ea5t, \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 s\u1ea3n ph\u1ea9m giao s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng v\u00e0 ghi ch\u00e9p \u0111\u1ea7y \u0111\u1ee7. H\u1ecdc c\u00e1ch hi\u1ec3u c\u00e1c ki\u1ec3m tra ri\u00eang bi\u1ec7t v\u00e0 sau \u0111\u00f3 b\u1ea1n s\u1ebd bi\u1ebft c\u00e1ch l\u00e0m vi\u1ec7c v\u1edbi b\u1ea5t k\u1ef3 SSR n\u00e0o.<\/p>","protected":false},"excerpt":{"rendered":"

Mastering proper testing methods for solid state relay devices is a valuable skill for people engaged in the creation, management, and procurement of electrical control systems. Because solid state relays do not contain mechanical parts, they can fail differently from traditional electromechanical relays and cannot be analyzed using standard testing procedures. Quite often, SSRs fail […]<\/p>\n","protected":false},"author":3,"featured_media":1582,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1581","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1581","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/comments?post=1581"}],"version-history":[{"count":1,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1581\/revisions"}],"predecessor-version":[{"id":1585,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/posts\/1581\/revisions\/1585"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media\/1582"}],"wp:attachment":[{"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/media?parent=1581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/categories?post=1581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/benlongkj.com\/vi\/wp-json\/wp\/v2\/tags?post=1581"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}