{"id":52948,"date":"2023-04-21T12:21:31","date_gmt":"2023-04-21T17:21:31","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/can-ultrasonic-sensor-detect-water\/"},"modified":"2025-01-21T07:06:35","modified_gmt":"2025-01-21T12:06:35","slug":"can-ultrasonic-sensor-detect-water","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/can-ultrasonic-sensor-detect-water\/","title":{"rendered":"C\u1ea3m bi\u1ebfn si\u00eau \u00e2m c\u00f3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c n\u01b0\u1edbc?"},"content":{"rendered":"<p>C\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb \u0111o kho\u1ea3ng c\u00e1ch trong xe h\u01a1i \u0111\u1ebfn ki\u1ec3m so\u00e1t m\u1ef1c n\u01b0\u1edbc trong c\u00e1c b\u1ec3 ch\u1ee9a.  M\u1ed9t c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p l\u00e0 li\u1ec7u c\u1ea3m bi\u1ebfn si\u00eau \u00e2m c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n n\u01b0\u1edbc hay kh\u00f4ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o kh\u1ea3 n\u0103ng n\u00e0y, ph\u00e2n t\u00edch nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn si\u00eau \u00e2m v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ph\u00e1t hi\u1ec7n n\u01b0\u1edbc.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn si\u00eau \u00e2m<\/h3>\n<p>C\u1ea3m bi\u1ebfn si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd s\u00f3ng \u00e2m. N\u00f3 ph\u00e1t ra m\u1ed9t xung si\u00eau \u00e2m v\u00e0 \u0111o th\u1eddi gian s\u00f3ng \u00e2m ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i.  Kho\u1ea3ng c\u00e1ch \u0111\u1ebfn v\u1eadt th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean th\u1eddi gian n\u00e0y v\u00e0 t\u1ed1c \u0111\u1ed9 \u00e2m thanh trong m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h3>Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n n\u01b0\u1edbc c\u1ee7a c\u1ea3m bi\u1ebfn si\u00eau \u00e2m<\/h3>\n<p>C\u1ea3m bi\u1ebfn si\u00eau \u00e2m c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n b\u1ec1 m\u1eb7t n\u01b0\u1edbc. S\u00f3ng si\u00eau \u00e2m truy\u1ec1n qua kh\u00f4ng kh\u00ed v\u00e0 ph\u1ea3n x\u1ea1 l\u1ea1i khi g\u1eb7p b\u1ec1 m\u1eb7t n\u01b0\u1edbc, cho ph\u00e9p c\u1ea3m bi\u1ebfn \u0111o kho\u1ea3ng c\u00e1ch \u0111\u1ebfn b\u1ec1 m\u1eb7t n\u00e0y. Tuy nhi\u00ean, vi\u1ec7c ph\u00e1t hi\u1ec7n ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1.<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ph\u00e1t hi\u1ec7n<\/h3>\n<ul>\n<li><strong>G\u00f3c t\u1edbi:<\/strong> G\u00f3c t\u1edbi c\u1ee7a s\u00f3ng si\u00eau \u00e2m so v\u1edbi b\u1ec1 m\u1eb7t n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn kh\u1ea3 n\u0103ng ph\u1ea3n x\u1ea1. G\u00f3c t\u1edbi l\u00fd t\u01b0\u1edfng l\u00e0 vu\u00f4ng g\u00f3c v\u1edbi b\u1ec1 m\u1eb7t.  G\u00f3c t\u1edbi qu\u00e1 nghi\u00eang c\u00f3 th\u1ec3 khi\u1ebfn s\u00f3ng \u00e2m b\u1ecb kh\u00fac x\u1ea1 ho\u1eb7c t\u00e1n x\u1ea1, l\u00e0m gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n<li><strong>\u0110\u1ed9 trong c\u1ee7a n\u01b0\u1edbc:<\/strong>  N\u1ebfu n\u01b0\u1edbc \u0111\u1ee5c ho\u1eb7c ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t, s\u00f3ng si\u00eau \u00e2m c\u00f3 th\u1ec3 b\u1ecb h\u1ea5p th\u1ee5 ho\u1eb7c t\u00e1n x\u1ea1, g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c ph\u00e1t hi\u1ec7n. N\u01b0\u1edbc trong su\u1ed1t s\u1ebd cho k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m:<\/strong> Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 \u00e2m thanh trong kh\u00f4ng kh\u00ed, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o.  C\u1ea7n hi\u1ec7u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n<li><strong>\u0110\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t n\u01b0\u1edbc:<\/strong> B\u1ec1 m\u1eb7t n\u01b0\u1edbc ph\u1eb3ng l\u1eb7ng s\u1ebd cho k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c h\u01a1n so v\u1edbi b\u1ec1 m\u1eb7t n\u01b0\u1edbc \u0111\u1ed9ng ho\u1eb7c c\u00f3 s\u00f3ng.<\/li>\n<\/ul>\n<h3>So s\u00e1nh hi\u1ec7u qu\u1ea3 ph\u00e1t hi\u1ec7n tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t kh\u00e1c nhau<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>B\u1ec1 m\u1eb7t<\/th>\n<th>Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n<\/th>\n<th>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ec1 m\u1eb7t r\u1eafn, ph\u1eb3ng<\/td>\n<td>Cao<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>B\u1ec1 m\u1eb7t n\u01b0\u1edbc ph\u1eb3ng l\u1eb7ng<\/td>\n<td>Cao<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>B\u1ec1 m\u1eb7t n\u01b0\u1edbc \u0111\u1ed9ng<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>B\u1ec1 m\u1eb7t m\u1ec1m, x\u1ed1p<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a c\u1ea3m bi\u1ebfn si\u00eau \u00e2m trong vi\u1ec7c \u0111o m\u1ef1c n\u01b0\u1edbc<\/h3>\n<p>C\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111o m\u1ef1c n\u01b0\u1edbc, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li>Ki\u1ec3m so\u00e1t m\u1ef1c n\u01b0\u1edbc trong b\u1ec3 ch\u1ee9a<\/li>\n<li>Gi\u00e1m s\u00e1t m\u1ef1c n\u01b0\u1edbc s\u00f4ng, h\u1ed3<\/li>\n<li>H\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau t\u1ef1 \u0111\u1ed9ng<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ph\u00e1t hi\u1ec7n \u0111\u1ec3 l\u1ef1a ch\u1ecdn lo\u1ea1i c\u1ea3m bi\u1ebfn ph\u00f9 h\u1ee3p v\u00e0 thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng \u0111o ch\u00ednh x\u00e1c.<\/p>\n<p>T\u00f3m l\u1ea1i, c\u1ea3m bi\u1ebfn si\u00eau \u00e2m c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n n\u01b0\u1edbc b\u1eb1ng c\u00e1ch \u0111o kho\u1ea3ng c\u00e1ch \u0111\u1ebfn b\u1ec1 m\u1eb7t n\u01b0\u1edbc.  Hi\u1ec7u qu\u1ea3 ph\u00e1t hi\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 g\u00f3c t\u1edbi, \u0111\u1ed9 trong c\u1ee7a n\u01b0\u1edbc, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t n\u01b0\u1edbc.  Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y s\u1ebd gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn si\u00eau \u00e2m trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111o m\u1ef1c n\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb \u0111o kho\u1ea3ng c\u00e1ch trong xe h\u01a1i \u0111\u1ebfn ki\u1ec3m so\u00e1t m\u1ef1c n\u01b0\u1edbc trong c\u00e1c b\u1ec3 ch\u1ee9a. M\u1ed9t c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p l\u00e0 li\u1ec7u c\u1ea3m bi\u1ebfn si\u00eau \u00e2m c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n n\u01b0\u1edbc hay kh\u00f4ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i<\/p>\n","protected":false},"author":1,"featured_media":26466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-52948","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\/52948","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=52948"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/52948\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26466"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=52948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=52948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=52948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}