{"id":19819,"date":"2022-07-14T06:57:32","date_gmt":"2022-07-14T06:57:32","guid":{"rendered":"http:\/\/dgbellvietnam.com\/cooling-control-temperature-humidity-test-chamber\/"},"modified":"2024-10-24T20:46:16","modified_gmt":"2024-10-24T13:46:16","slug":"cooling-control-temperature-humidity-test-chamber","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/cooling-control-temperature-humidity-test-chamber\/","title":{"rendered":"Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9 \u1ea9m bu\u1ed3ng th\u1eed nghi\u1ec7m l\u00e0m m\u00e1t"},"content":{"rendered":"
\n

Bu\u1ed3ng th\u1eed nhi\u1ec7t \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p l\u00e0 s\u1ea3n ph\u1ea9m b\u00e1n ch\u1ea1y nh\u1ea5t trong c\u00e1c thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m hi\u1ec7n nay. Tr\u00ean th\u1ecb tr\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a lo\u1ea1i bu\u1ed3ng th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 kh\u00f4ng \u0111\u1ed5i. H\u1ea7u h\u1ebft ch\u00fang \u0111\u1ec1u \u00e1p d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t, t\u1ee9c l\u00e0 nhi\u1ec7t c\u1ee7a l\u00f2 s\u01b0\u1edfi b\u00f9 tr\u1eeb th\u1ec3 t\u00edch l\u1ea1nh c\u1ee7a b\u1ed9 bay h\u01a1i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m. \u0110i\u1ec1u khi\u1ec3n l\u1ea1nh l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PID t\u00ednh to\u00e1n th\u1eddi gian b\u1eadt-t\u1eaft c\u1ee7a van \u0111i\u1ec7n t\u1eeb trong m\u1ed9t chu k\u1ef3 \u0111\u01a1n v\u1ecb theo t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 \u0111i\u1ec1u khi\u1ec3n l\u01b0\u1ee3ng ch\u1ea5t l\u00e0m l\u1ea1nh \u0111i v\u00e0o h\u1ec7 th\u1ed1ng th\u00f4ng qua vi\u1ec7c b\u1eadt-t\u1eaft c\u1ee7a van \u0111i\u1ec7n t\u1eeb. So v\u1edbi ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t, ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u1ea1nh c\u00f3 l\u1ee3i th\u1ebf r\u00f5 r\u00e0ng v\u1ec1 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/span><\/span><\/p>\n

1. Gi\u1edbi thi\u1ec7u thi\u1ebft b\u1ecb<\/span><\/span><\/span><\/h1>\n

Ti\u1ebfp theo, h\u00e3y l\u1ea5y <\/span><\/span>bu\u1ed3ng th\u1eed \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p<\/span><\/span><\/a> ki\u1ec3m so\u00e1t l\u1ea1nh do DGBELL ph\u00e1t tri\u1ec3n l\u00e0m v\u00ed d\u1ee5 \u0111\u1ec3 gi\u1edbi thi\u1ec7u c\u00e1c ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb.<\/span><\/span><\/p>\n

1) Th\u1ec3 t\u00edch b\u00ean trong: R\u1ed9ng 600 mm x Cao 850 mm x S\u00e2u 800 mm;<\/span><\/span><\/p>\n

2) Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9: -70~+150 \u2103;<\/span><\/span><\/p>\n

3) Ph\u1ea1m vi \u0111\u1ed9 \u1ea9m: 20% \u2013 98%;<\/span><\/span><\/p>\n

4) \u0110\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u nhi\u1ec7t \u0111\u1ed9: \u00b1 2\u2103;<\/span><\/span><\/p>\n

5) \u0110\u1ed9 l\u1ec7ch nhi\u1ec7t \u0111\u1ed9: \u2264\u00b1 2.0 \u2103;<\/span><\/span><\/p>\n

6) \u0110\u1ed9 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9: \u00b1 0,5\u2103;<\/span><\/span><\/p>\n

7) Bi\u1ebfn \u0111\u1ed9ng \u0111\u1ed9 \u1ea9m: khi \u0111\u1ed9 \u1ea9m >75%RH, \u2264\u00b1 3,0%RH, khi \u0111\u1ed9 \u1ea9m \u2264 75%RH, \u2264\u00b1 5,0%RH;<\/span><\/span><\/p>\n

8) T\u1ed1c \u0111\u1ed9 gia nhi\u1ec7t: 25~+85\u2103, t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh kho\u1ea3ng 3\u2103\/ph\u00fat (trung b\u00ecnh trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh, kh\u00f4ng t\u1ea3i);<\/span><\/span><\/p>\n

9) T\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t: 25~-70\u2103, t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh kho\u1ea3ng 1\u2103\/ph\u00fat (trung b\u00ecnh trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh, kh\u00f4ng t\u1ea3i).<\/span><\/span><\/p>\n

<\/h1>\n

2. C\u1ea5u tr\u00fac thi\u1ebft b\u1ecb v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/span><\/span><\/span><\/h1>\n

Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn sau: h\u1ed9p ch\u00ednh, l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed, l\u00e0m l\u1ea1nh v\u00e0 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n. C\u1ea5u tr\u00fac chung v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 nh\u01b0 sau:<\/span><\/span><\/p>\n

a) Ph\u1ea7n h\u1ed9p ch\u00ednh<\/span><\/span><\/p>\n

Th\u00e2n th\u01b0 vi\u1ec7n. H\u1ed9p ch\u00ednh \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb t\u1ea5m polyurethane + b\u00f4ng th\u1ee7y tinh (\u0111\u1ed9 d\u00e0y: 100 mm), th\u00e0nh h\u1ed9p b\u00ean trong l\u00e0 t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 SUS 304 (\u0111\u1ed9 d\u00e0y: 10 mm), th\u00e0nh h\u1ed9p b\u00ean ngo\u00e0i l\u00e0 t\u1ea5m th\u00e9p phun nh\u1ef1a (m\u00e0u b\u1ec1 m\u1eb7t: m\u00e0u l\u1ea1c \u0111\u00e0).<\/span><\/span><\/p>\n

C\u1ed5ng. C\u1eeda \u0111\u01a1n c\u00f3 k\u00edch th\u01b0\u1edbc m\u1edf c\u1eeda l\u00e0 W 600 mm x H 850 mm. T\u1ea5m b\u00ean trong c\u1ee7a c\u1eeda l\u00e0 t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9, v\u00e0 b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i l\u00e0 t\u1ea5m th\u00e9p phun nh\u1ef1a c\u00f3 c\u00f9ng m\u00e0u s\u1eafc v\u00e0 v\u1eadt li\u1ec7u v\u1edbi b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i c\u1ee7a h\u1ed9p. D\u00e2y s\u01b0\u1edfi \u0111\u01b0\u1ee3c nh\u00fang xung quanh c\u1eeda v\u00e0 khung c\u1eeda. Vi\u1ec7c m\u1edf d\u00e2y s\u01b0\u1edfi \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng m\u1edf theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u00e1c nhau, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1eeda c\u1ee7a thi\u1ebft b\u1ecb s\u1ebd kh\u00f4ng ng\u01b0ng t\u1ee5 v\u00e0 \u0111\u00f3ng b\u0103ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/span><\/span><\/p>\n

b) Ph\u1ea7n l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed<\/span><\/span><\/p>\n

B\u1ed9 ph\u1eadn n\u00e0y l\u00e0 b\u1ed9 ph\u1eadn \u0111\u1ea3m b\u1ea3o quan tr\u1ecdng cho t\u00ednh \u0111\u1ed3ng nh\u1ea5t, \u0111\u1ed9 l\u1ec7ch v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c c\u1ee7a thi\u1ebft b\u1ecb, ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n sau: qu\u1ea1t ly t\u00e2m. Qu\u1ea1t l\u00e0 ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 tr\u1ed9n kh\u00f4ng kh\u00ed trong h\u1ed9p. Qu\u1ea1t tr\u1ed9n kh\u00f4ng kh\u00ed \u0111\u00e3 tr\u1ed9n trong h\u1ed9p th\u00f4ng qua b\u1ed9 bay h\u01a1i v\u00e0 b\u1ed9 gia nhi\u1ec7t, sau \u0111\u00f3 \u0111\u01b0a kh\u00f4ng kh\u00ed ra kh\u1ecfi k\u00eanh \u0111\u1ec3 l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed trong h\u1ed9p. B\u1ed9 bay h\u01a1i c\u00f3 c\u00e1nh. Ngu\u1ed3n l\u00e0m m\u00e1t ch\u00ednh trong h\u1ed9p l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u1ec3 trao \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng gi\u1eefa c\u00f4ng su\u1ea5t l\u00e0m m\u00e1t c\u1ee7a thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh v\u00e0 kh\u00f4ng kh\u00ed n\u00f3ng trong h\u1ed9p. B\u1ed9 gia nhi\u1ec7t b\u1eb1ng d\u00e2y \u0111i\u1ec7n. \u0110\u00e2y l\u00e0 ngu\u1ed3n nhi\u1ec7t ch\u00ednh c\u1ee7a thi\u1ebft b\u1ecb, cung c\u1ea5p nhi\u1ec7t c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 thi\u1ebft b\u1ecb v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m l\u1ea1nh v\u00e0 nhi\u1ec7t. M\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m. B\u1ed9 gia nhi\u1ec7t \u00e1o kho\u00e1c b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m n\u00f3ng n\u01b0\u1edbc trong ch\u1ea3o n\u01b0\u1edbc \u0111\u1ec3 cung c\u1ea5p \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft cho thi\u1ebft b\u1ecb.<\/span><\/span><\/p>\n

c) B\u1ed9 ph\u1eadn l\u00e0m l\u1ea1nh<\/span><\/span><\/p>\n

B\u1ed9 ph\u1eadn l\u00e0m l\u1ea1nh l\u00e0 b\u1ed9 ph\u1eadn ch\u00ednh t\u1ea1o ra ngu\u1ed3n l\u1ea1nh do thi\u1ebft b\u1ecb t\u1ea1o ra, cung c\u1ea5p c\u00f4ng su\u1ea5t l\u00e0m l\u1ea1nh c\u1ea7n thi\u1ebft cho nhu c\u1ea7u l\u00e0m m\u00e1t, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i v\u00e0 nhi\u1ec7t \u1ea9m c\u1ee7a thi\u1ebft b\u1ecb.<\/span><\/span><\/p>\n

V\u00ec gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m l\u00e0 -70\u2103 n\u00ean h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p l\u00e0m l\u1ea1nh theo t\u1ea7ng.<\/span><\/span><\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh b\u1ed1n t\u1ea7ng g\u1ed3m hai h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh m\u1ed9t t\u1ea7ng s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng, ch\u1ea5t l\u00e0m l\u1ea1nh m\u00f4i tr\u01b0\u1eddng R404A c\u00f3 \u0111i\u1ec3m s\u00f4i cao h\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ea5t l\u00e0m l\u1ea1nh m\u00f4i tr\u01b0\u1eddng R23 c\u00f3 \u0111i\u1ec3m s\u00f4i th\u1ea5p h\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. M\u1ed7i h\u1ec7 th\u1ed1ng tr\u1edf th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh s\u1eed d\u1ee5ng m\u1ed9t ch\u1ea5t l\u00e0m l\u1ea1nh duy nh\u1ea5t. Qu\u00e1 tr\u00ecnh bay h\u01a1i ch\u1ea5t l\u00e0m l\u1ea1nh trong h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ng\u01b0ng t\u1ee5 ch\u1ea5t l\u00e0m l\u1ea1nh trong h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. Ch\u1ea5t l\u00e0m l\u1ea1nh trong h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u1ea5p th\u1ee5 nhi\u1ec7t c\u1ee7a kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t trong qu\u00e1 tr\u00ecnh bay h\u01a1i, do \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 trong h\u1ed9p c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi -70 \u2103. H\u1ec7 th\u1ed1ng t\u1ea7ng k\u1ebft n\u1ed1i c\u00e1c m\u1ee9c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p th\u00f4ng qua b\u1ed9 bay h\u01a1i ng\u01b0ng t\u1ee5. Trong b\u1ed9 bay h\u01a1i ng\u01b0ng t\u1ee5, qu\u00e1 tr\u00ecnh bay h\u01a1i ch\u1ea5t l\u00e0m l\u1ea1nh c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ee9c nhi\u1ec7t \u0111\u1ed9 cao ng\u01b0ng t\u1ee5 ch\u1ea5t l\u00e0m l\u1ea1nh c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ee9c nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u00e0nh ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea5t l\u00e0m l\u1ea1nh trong h\u1ec7 th\u1ed1ng m\u1ee9c nhi\u1ec7t \u0111\u1ed9 cao truy\u1ec1n nhi\u1ec7t sang m\u00f4i tr\u01b0\u1eddng xung quanh (kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc).<\/span><\/span><\/p>\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n PID c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ki\u1ec3m so\u00e1t l\u1ea1nh t\u00ednh to\u00e1n th\u1eddi gian van \u0111i\u1ec7n t\u1eeb c\u1ea7n m\u1edf trong chu k\u1ef3 b\u1eadt-t\u1eaft theo t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng ch\u1ea5t l\u00e0m l\u1ea1nh \u0111i v\u00e0o b\u1ed9 bay h\u01a1i th\u00f4ng qua c\u00f4ng t\u1eafc c\u1ee7a van \u0111i\u1ec7n t\u1eeb, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i. Trong qu\u00e1 tr\u00ecnh n\u00e0y, b\u1ed9 gia nhi\u1ec7t kh\u00f4ng c\u1ea7n ph\u1ea3i b\u1eadt v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i \u0111\u01b0\u1ee3c duy tr\u00ec ho\u00e0n to\u00e0n b\u1edfi ch\u00ednh h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh.<\/span><\/span><\/p>\n

d) Ph\u1ea7n \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n<\/span><\/span><\/p>\n

Ki\u1ec3m so\u00e1t \u0111i\u1ec7n bao g\u1ed3m h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7.<\/span><\/span><\/p>\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u00e0 m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng LCD m\u00e0u, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u1ed1i tho\u1ea1i gi\u1eefa ng\u01b0\u1eddi v\u00e0 m\u00e1y, v\u1edbi giao di\u1ec7n th\u00e2n thi\u1ec7n v\u00e0 thao t\u00e1c thu\u1eadn ti\u1ec7n. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n so s\u00e1nh gi\u00e1 tr\u1ecb nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m trong h\u1ed9p \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u1edbi gi\u00e1 tr\u1ecb nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m do ng\u01b0\u1eddi d\u00f9ng c\u00e0i \u0111\u1eb7t v\u00e0 th\u1ef1c hi\u1ec7n thao t\u00e1c PID theo m\u1ed9t quy lu\u1eadt nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc c\u1ee7a l\u01b0\u1ee3ng \u0111i\u1ec1u khi\u1ec3n c\u1ea7n \u0111\u01b0a ra v\u00e0 x\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i l\u00e0m vi\u1ec7c c\u1ee7a t\u1eebng \u0111i\u1ec3m \u0111\u1ea7u ra. Kh\u1ed1i l\u01b0\u1ee3ng b\u1eadt-t\u1eaft v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a van \u0111i\u1ec7n t\u1eeb \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n th\u00f4ng qua c\u1ed5ng \u0111\u1ea7u ra \u0111\u1ea7u v\u00e0o i\/o \u0111\u1ec3 l\u00e0m cho nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m trong h\u1ed9p thay \u0111\u1ed5i theo y\u00eau c\u1ea7u.<\/span><\/span><\/p>\n

H\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 bao g\u1ed3m c\u1ea7u dao r\u00f2 r\u1ec9 \u0111i\u1ec7n, b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t, b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t qu\u1ea1t, b\u1ea3o v\u1ec7 qu\u00e1 \u00e1p m\u00e1y n\u00e9n v\u00e0 b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t m\u00e1y n\u00e9n. Khi x\u1ea3y ra l\u1ed7i, s\u1ebd ph\u00e1t ra \u00e2m thanh v\u00e0 \u0111\u00e8n b\u00e1o \u0111\u1ed9ng, v\u00e0 ngu\u1ed3n \u0111i\u1ec7n t\u01b0\u01a1ng \u1ee9ng s\u1ebd b\u1ecb c\u1eaft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho nh\u00e2n vi\u00ean, thi\u1ebft b\u1ecb, m\u1eabu v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/span><\/span><\/p>\n

D\u1eef li\u1ec7u nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m \u0111\u01b0\u1ee3c ghi l\u1ea1i trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn \u0111\u0129a U th\u00f4ng qua ch\u1ee9c n\u0103ng USB v\u00e0 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecdc v\u00e0 ch\u1ec9nh s\u1eeda tr\u00ean PC th\u00f4ng qua ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng. Giao di\u1ec7n RS485 ti\u00eau chu\u1ea9n c\u0169ng \u0111\u01b0\u1ee3c cung c\u1ea5p v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 theo d\u00f5i thi\u1ebft b\u1ecb t\u1eeb xa th\u00f4ng qua PC.<\/span><\/span><\/p>\n

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

C\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t l\u1ea1nh c\u00f3 th\u1ec3 xu\u1ea5t ra ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 th\u00f4ng qua vi\u1ec7c \u0111\u00f3ng m\u1edf van \u0111i\u1ec7n t\u1eeb. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t v\u00e0 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng kh\u00f4ng c\u1ea7n s\u1ef1 tham gia c\u1ee7a m\u00e1y s\u01b0\u1edfi, ho\u00e0n to\u00e0n kh\u00e1c v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i hi\u1ec7n nay. H\u01a1n n\u1eefa, hi\u1ec7u qu\u1ea3 ti\u1ebft ki\u1ec7m c\u1ee7a n\u00f3 l\u00e0 r\u00f5 r\u00e0ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n 30%.<\/span><\/span><\/p>\n

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

Bu\u1ed3ng th\u1eed nhi\u1ec7t \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p l\u00e0 s\u1ea3n ph\u1ea9m b\u00e1n ch\u1ea1y nh\u1ea5t trong c\u00e1c thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m hi\u1ec7n nay. Tr\u00ean th\u1ecb tr\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a lo\u1ea1i bu\u1ed3ng th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 kh\u00f4ng \u0111\u1ed5i. H\u1ea7u h\u1ebft ch\u00fang \u0111\u1ec1u \u00e1p d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t, t\u1ee9c l\u00e0 nhi\u1ec7t c\u1ee7a l\u00f2 s\u01b0\u1edfi<\/p>\n","protected":false},"author":1,"featured_media":19820,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19819","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\/19819","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=19819"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19819\/revisions"}],"predecessor-version":[{"id":22060,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19819\/revisions\/22060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19820"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}