{"id":43203,"date":"2024-11-21T15:27:23","date_gmt":"2024-11-21T20:27:23","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/design-a-powerful-ultrasonic-welder-circuit-for-home-repairs\/"},"modified":"2025-01-21T07:07:18","modified_gmt":"2025-01-21T12:07:18","slug":"design-a-powerful-ultrasonic-welder-circuit-for-home-repairs","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/design-a-powerful-ultrasonic-welder-circuit-for-home-repairs\/","title":{"rendered":"Thi\u1ebft k\u1ebf m\u1ea1ch h\u00e0n si\u00eau \u00e2m m\u1ea1nh m\u1ebd cho s\u1eeda ch\u1eefa nh\u00e0 c\u1eeda"},"content":{"rendered":"<p>Vi\u1ec7c s\u1eeda ch\u1eefa \u0111\u1ed3 gia d\u1ee5ng b\u1eb1ng keo d\u00e1n th\u01b0\u1eddng kh\u00f4ng \u0111em l\u1ea1i \u0111\u1ed9 b\u1ec1n cao v\u00e0 t\u00ednh th\u1ea9m m\u1ef9. H\u00e0n si\u00eau \u00e2m l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf hi\u1ec7u qu\u1ea3, cho ph\u00e9p h\u00e0n d\u00ednh c\u00e1c v\u1eadt li\u1ec7u nh\u1ef1a c\u1ee9ng v\u00e0 d\u1ebbo m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u1eafc ch\u1eafn. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n thi\u1ebft k\u1ebf m\u1ed9t m\u1ea1ch h\u00e0n si\u00eau \u00e2m m\u1ea1nh m\u1ebd \u0111\u1ec3 s\u1eed d\u1ee5ng trong vi\u1ec7c s\u1eeda ch\u1eefa t\u1ea1i nh\u00e0.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y h\u00e0n si\u00eau \u00e2m<\/h3>\n<p>M\u00e1y h\u00e0n si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh dao \u0111\u1ed9ng c\u01a1 h\u1ecdc \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m (th\u01b0\u1eddng l\u00e0 20kHz &#8211; 40kHz). Dao \u0111\u1ed9ng n\u00e0y \u0111\u01b0\u1ee3c truy\u1ec1n qua \u0111\u1ea7u h\u00e0n, t\u1ea1o ra ma s\u00e1t v\u00e0 nhi\u1ec7t t\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a v\u1eadt li\u1ec7u c\u1ea7n h\u00e0n, l\u00e0m n\u00f3ng ch\u1ea3y v\u00e0 k\u1ebft d\u00ednh ch\u00fang l\u1ea1i v\u1edbi nhau.<\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u1ea1ch h\u00e0n si\u00eau \u00e2m<\/h3>\n<p>M\u1ea1ch h\u00e0n si\u00eau \u00e2m bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh sau:<\/p>\n<ul>\n<li><strong>B\u1ed9 dao \u0111\u1ed9ng (oscillator):<\/strong> T\u1ea1o ra t\u00edn hi\u1ec7u \u0111i\u1ec7n xoay chi\u1ec1u \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m.<\/li>\n<li><strong>B\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t:<\/strong> Khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u t\u1eeb b\u1ed9 dao \u0111\u1ed9ng l\u00ean m\u1ee9c c\u00f4ng su\u1ea5t \u0111\u1ee7 \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ea7u d\u00f2.<\/li>\n<li><strong>\u0110\u1ea7u d\u00f2 (transducer):<\/strong> Chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh dao \u0111\u1ed9ng c\u01a1 h\u1ecdc.<\/li>\n<li><strong>\u0110\u1ea7u h\u00e0n (horn\/sonotrode):<\/strong> T\u1eadp trung v\u00e0 truy\u1ec1n dao \u0111\u1ed9ng c\u01a1 h\u1ecdc \u0111\u1ebfn v\u1eadt li\u1ec7u c\u1ea7n h\u00e0n.<\/li>\n<\/ul>\n<h3>Thi\u1ebft k\u1ebf m\u1ea1ch dao \u0111\u1ed9ng<\/h3>\n<p>M\u1ea1ch dao \u0111\u1ed9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng IC 555 ho\u1eb7c c\u00e1c m\u1ea1ch dao \u0111\u1ed9ng chuy\u00ean d\u1ee5ng kh\u00e1c. T\u1ea7n s\u1ed1 dao \u0111\u1ed9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c linh ki\u1ec7n trong m\u1ea1ch, c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u d\u00f2.<\/p>\n<h3>Thi\u1ebft k\u1ebf m\u1ea1ch khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t<\/h3>\n<p>M\u1ea1ch khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t s\u1eed d\u1ee5ng transistor c\u00f4ng su\u1ea5t ho\u1eb7c MOSFET \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u t\u1eeb b\u1ed9 dao \u0111\u1ed9ng.  C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c t\u1ea3n nhi\u1ec7t cho c\u00e1c transistor c\u00f4ng su\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ea1ch.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Linh ki\u1ec7n<\/th>\n<th>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th>\n<th>Ch\u00fa th\u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Transistor c\u00f4ng su\u1ea5t<\/td>\n<td>IRFP460<\/td>\n<td>Ch\u1ecbu d\u00f2ng cao<\/td>\n<\/tr>\n<tr>\n<td>MOSFET<\/td>\n<td>IRF540N<\/td>\n<td>T\u1ed1c \u0111\u1ed9 chuy\u1ec3n m\u1ea1ch nhanh<\/td>\n<\/tr>\n<tr>\n<td>Diode<\/td>\n<td>1N4007<\/td>\n<td>Diode ch\u1ec9nh l\u01b0u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>L\u1ef1a ch\u1ecdn \u0111\u1ea7u d\u00f2 v\u00e0 \u0111\u1ea7u h\u00e0n<\/h3>\n<p>\u0110\u1ea7u d\u00f2 v\u00e0 \u0111\u1ea7u h\u00e0n c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u c\u1ea7n h\u00e0n v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a m\u00e1y.  N\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u c\u1ee5 th\u1ec3 v\u1ec1 si\u00eau \u00e2m, Beijing Ultrasonic c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u1ec3 tham kh\u1ea3o. Tuy nhi\u00ean, vi\u1ec7c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u00e0 quan tr\u1ecdng h\u01a1n th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00f4ng s\u1ed1<\/th>\n<th>\u0110\u1ea7u d\u00f2<\/th>\n<th>\u0110\u1ea7u h\u00e0n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1ea7n s\u1ed1<\/td>\n<td>20kHz, 40kHz<\/td>\n<td>T\u01b0\u01a1ng th\u00edch v\u1edbi \u0111\u1ea7u d\u00f2<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng su\u1ea5t<\/td>\n<td>Ph\u00f9 h\u1ee3p v\u1edbi m\u1ea1ch khu\u1ebfch \u0111\u1ea1i<\/td>\n<td>Ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u d\u00f2<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ea5t li\u1ec7u<\/td>\n<td>G\u1ed1m \u00e1p \u0111i\u1ec7n<\/td>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9, titan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>L\u01b0u \u00fd khi l\u1eafp r\u00e1p v\u00e0 s\u1eed d\u1ee5ng<\/h3>\n<ul>\n<li>C\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c c\u00e1ch \u0111i\u1ec7n v\u00e0 t\u1ea3n nhi\u1ec7t cho c\u00e1c linh ki\u1ec7n.<\/li>\n<li>S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i d\u00e2y d\u1eabn v\u00e0 \u0111\u1ea7u n\u1ed1i.<\/li>\n<li>\u0110i\u1ec1u ch\u1ec9nh th\u1eddi gian h\u00e0n v\u00e0 \u00e1p l\u1ef1c h\u00e0n ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u.<\/li>\n<li>\u0110eo k\u00ednh b\u1ea3o h\u1ed9 khi s\u1eed d\u1ee5ng m\u00e1y h\u00e0n si\u00eau \u00e2m.<\/li>\n<\/ul>\n<p>Vi\u1ec7c t\u1ef1 thi\u1ebft k\u1ebf v\u00e0 l\u1eafp r\u00e1p m\u00e1y h\u00e0n si\u00eau \u00e2m \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng v\u1ec1 \u0111i\u1ec7n t\u1eed.  Tuy nhi\u00ean, v\u1edbi s\u1ef1 t\u00ecm hi\u1ec3u k\u1ef9 l\u01b0\u1ee1ng v\u00e0 c\u1ea9n th\u1eadn, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc m\u00e1y h\u00e0n si\u00eau \u00e2m m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c nhu c\u1ea7u s\u1eeda ch\u1eefa t\u1ea1i nh\u00e0.  Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c s\u1eeda ch\u1eefa \u0111\u1ed3 gia d\u1ee5ng b\u1eb1ng keo d\u00e1n th\u01b0\u1eddng kh\u00f4ng \u0111em l\u1ea1i \u0111\u1ed9 b\u1ec1n cao v\u00e0 t\u00ednh th\u1ea9m m\u1ef9. H\u00e0n si\u00eau \u00e2m l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf hi\u1ec7u qu\u1ea3, cho ph\u00e9p h\u00e0n d\u00ednh c\u00e1c v\u1eadt li\u1ec7u nh\u1ef1a c\u1ee9ng v\u00e0 d\u1ebbo m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u1eafc ch\u1eafn. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn<\/p>\n","protected":false},"author":1,"featured_media":18839,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-43203","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\/43203","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=43203"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/43203\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/18839"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=43203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=43203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=43203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}