{"id":5531,"date":"2023-07-04T19:01:52","date_gmt":"2023-07-04T11:01:52","guid":{"rendered":"https:\/\/www.dcl-controls.com\/?p=5531"},"modified":"2025-03-31T08:59:59","modified_gmt":"2025-03-31T08:59:59","slug":"humidity-reduce-usage-life","status":"publish","type":"post","link":"https:\/\/dclcontrols.com\/sv_se\/stod\/ta-acutator\/luftfuktighet-minskar-livslangden","title":{"rendered":"Hur minskar luftfuktighet livsl\u00e4ngden p\u00e5 st\u00e4lldon (elektriska ventiler)?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5531\" class=\"elementor elementor-5531\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c4425ee elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"c4425ee\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-592bf2f\" data-id=\"592bf2f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2d2988c elementor-widget elementor-widget-text-editor\" data-id=\"2d2988c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Fukt \u00e4r v\u00e4lk\u00e4nt f\u00f6r att orsaka skador p\u00e5 elektroniska komponenter. Ett av de fr\u00e4msta s\u00e4tten som fukt minskar livsl\u00e4ngden p\u00e5 elektriska st\u00e4lldon \u00e4r genom <strong>kortslutningar f\u00f6r jonmigration<\/strong>.<\/p><hr \/><h2><strong>1. Vad \u00e4r jonmigrationskortslutning?<\/strong><\/h2><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone\" src=\"\/wp-content\/uploads\/2023\/07\/ion-migration.webp\" width=\"500\" height=\"292\" \/><\/p><p>Jonmigration sker n\u00e4r <strong>fukt och f\u00f6roreningar<\/strong> p\u00e5 ett kretskort underl\u00e4ttar jonernas r\u00f6relse mellan ledarna, vilket leder till kortslutningar. Processen f\u00f6ljer dessa steg:<\/p><p>1\ufe0f\u20e3 <strong>N\u00e4rvaro av ett elektriskt f\u00e4lt<\/strong> mellan tv\u00e5 ledare p\u00e5 en isolator.<br \/>2\ufe0f\u20e3 <strong>Elektrolytisk reaktion<\/strong> sker vid anoden och frig\u00f6r metalljoner.<br \/>3\ufe0f\u20e3 <strong>Joner migrerar<\/strong> under p\u00e5verkan av det elektriska f\u00e4ltet mot katoden.<br \/>4\ufe0f\u20e3 N\u00e4r tillr\u00e4ckligt m\u00e5nga joner har ackumulerats vid katoden, en <strong>ledande bryggformer<\/strong>, vilket orsakar en kortslutning.<\/p><p>Detta leder till <strong>fel p\u00e5 st\u00e4lldonets PCBA (kretskortsaggregat)<\/strong>.<\/p><hr \/><h2><strong>2. Vanliga orsaker till jonmigration p\u00e5 PCBA<\/strong><\/h2><p>Kortslutningar f\u00f6r jonmigration uppst\u00e5r vanligtvis under f\u00f6ljande f\u00f6rh\u00e5llanden:<\/p><p>\u2714 <strong>F\u00f6roreningar och fukt p\u00e5 PCB-substrat<\/strong><br \/>\u2714 <strong>Resterande elektrolyter<\/strong> fr\u00e5n pl\u00e4teringsprocesser kvar i kretskortsh\u00e5l<br \/>\u2714 <strong>Flussmedel, lim eller andra elektrolytiska material<\/strong> anv\u00e4nds vid tillverkning av PCBA<br \/>\u2714 <strong>Damm, jonisk kontaminering och kondens<\/strong> ackumulerat p\u00e5 PCBA \u00f6ver tid<\/p><hr \/><h2><strong>3. F\u00f6rebyggande \u00e5tg\u00e4rder mot jonmigration<\/strong><\/h2><p>F\u00f6r att f\u00f6rl\u00e4nga livsl\u00e4ngden p\u00e5 elektriska st\u00e4lldon och <strong>f\u00f6rhindra fel p\u00e5 grund av fukt<\/strong>rekommenderas f\u00f6ljande \u00e5tg\u00e4rder:<\/p><h3><strong>\u2705 Applicera konform bel\u00e4ggning (tre-t\u00e4tningsf\u00e4rg)<\/strong><\/h3><p><img decoding=\"async\" class=\"alignnone size-medium\" src=\"\/wp-content\/uploads\/2023\/07\/pcba-conformal-coating.webp\" width=\"523\" height=\"334\" \/><\/p><ul><li><p>Att bel\u00e4gga PCBA:n med en konform bel\u00e4ggning skyddar den fr\u00e5n <strong>damm, fukt och f\u00f6roreningar<\/strong>.<\/p><\/li><li><p>Detta \u00e4r en av de mest <strong>effektiv<\/strong> \u00e5tg\u00e4rder f\u00f6r att f\u00f6rhindra jonmigration.<\/p><\/li><\/ul><h3><strong>\u2705 Kapsla in PCBA:n helt<\/strong><\/h3><p><img decoding=\"async\" class=\"alignnone size-medium\" src=\"\/wp-content\/uploads\/2023\/05\/dcl-servo-pack.webp\" width=\"1080\" height=\"444\" \/><\/p><ul><li><p>Vid h\u00f6g luftfuktighet eller <strong>applikationer med stora temperaturfluktuationer<\/strong>, <strong>helt inkapslande<\/strong> Kretskortet ger h\u00f6gsta m\u00f6jliga skyddsniv\u00e5.<\/p><\/li><\/ul><h3><strong>\u2705 Anv\u00e4nd en avfuktande v\u00e4rmare (PTC-v\u00e4rmare)<\/strong><\/h3><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"\/wp-content\/uploads\/2023\/07\/ptc-dehumidifier.webp\" width=\"750\" height=\"750\" \/><\/p><ul><li><p>Installera en <strong>PTC-avfuktningsv\u00e4rmare<\/strong> hj\u00e4lper till att minska luftfuktigheten inuti det f\u00f6rseglade h\u00f6ljet.<\/p><\/li><li><p>Emellertid, i <strong>IP67+ helt\u00e4ckande kapslingar<\/strong>, avfuktande v\u00e4rmare <strong>kanske inte omedelbart minskar luftfuktigheten<\/strong> i det inledande uppv\u00e4rmningsstadiet.<\/p><\/li><li><p>D\u00e4rf\u00f6r kan det i vissa situationer <strong>inte helt f\u00f6rhindra jonmigration kortslutningar<\/strong>.<\/p><\/li><\/ul><p>Genom att implementera dessa <strong>skydds\u00e5tg\u00e4rder<\/strong>, kan tillf\u00f6rlitligheten och livsl\u00e4ngden hos elektriska st\u00e4lldon vara <strong>kraftigt f\u00f6rb\u00e4ttrad<\/strong>, vilket s\u00e4kerst\u00e4ller stabil prestanda i <strong>fuktiga milj\u00f6er<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Fukt \u00e4r v\u00e4lk\u00e4nt f\u00f6r att orsaka skador p\u00e5 elektroniska komponenter. Ett av de fr\u00e4msta s\u00e4tten som fukt minskar livsl\u00e4ngden p\u00e5 elektriska st\u00e4lldon \u00e4r genom jonmigrationskortslutningar. 1. Vad \u00e4r jonmigrationskortslutning? Jonmigration sker n\u00e4r fukt och f\u00f6roreningar p\u00e5 ett kretskort underl\u00e4ttar jonernas r\u00f6relse mellan ledare, vilket leder till [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[53,66,39,57,52,65],"class_list":["post-5531","post","type-post","status-publish","format-standard","hentry","category-ta-acutator","tag-actuator","tag-explosion-proof-actuator","tag-faq","tag-general-actuator","tag-fast-move-actuator","tag-very-small-actuator-tag"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/posts\/5531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/comments?post=5531"}],"version-history":[{"count":0,"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/posts\/5531\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/media?parent=5531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/categories?post=5531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclcontrols.com\/sv_se\/wp-json\/wp\/v2\/tags?post=5531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}