{"id":17333,"date":"2025-07-10T14:00:00","date_gmt":"2025-07-10T12:00:00","guid":{"rendered":"https:\/\/rdcomponents.com\/site\/?p=17333"},"modified":"2025-07-28T12:18:15","modified_gmt":"2025-07-28T10:18:15","slug":"180-controlli-diversi-dai-bimetallici","status":"publish","type":"post","link":"https:\/\/rdcomponents.com\/site\/2025\/07\/10\/180-controlli-diversi-dai-bimetallici\/","title":{"rendered":"#180 Controlli diversi dai bimetallici"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:16px\">I principali modelli di controllo meccanico della temperatura <a href=\"https:\/\/rdcomponents.com\/site\/2025\/07\/03\/179-controlli-di-temperatura-bimetallici\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>sono rappresentati dai dispositivi bimetallici<\/strong><\/a>. Questi vengono azionati sulla base del vecchio <a href=\"https:\/\/rdcomponents.com\/site\/2021\/09\/13\/2-che-cosa-provoca-lapertura-e-la-chiusura-dei-contatti\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>principio della dilatazione dei metalli in funzione dell\u2019aumento della temperatura<\/strong><\/a>. Ma\u00a0col tempo sono state inventate nuove soluzioni per adattarsi alla crescente necessit\u00e0 di mettere in sicurezza le nuove apparecchiature che lo sviluppo tecnologico alimentato dal progressivo diffondersi del benessere pubblico, stavano chiedendo<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:16px\">Muovendosi per macro-famiglie possiamo identificare tre tipi di dispositivi di sicurezza meccanici che non possono essere ricondotti all\u2019uso del bimetallo, e questi sono:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:16px\"><a href=\"https:\/\/rdcomponents.com\/site\/termofusibili\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Termofusibili<\/strong><\/a> (<a href=\"https:\/\/rdcomponents.com\/site\/2021\/11\/04\/10-come-funzionano-i-termofusibili\/\" target=\"_blank\" rel=\"noreferrer noopener\">per approfondire<\/a>). Sono i dispositivi di sicurezza pi\u00f9 compatti e pi\u00f9 economici che esistano. Sono monouso e si basano su un materiale chimico di natura organica detto <em>Thermal pellet<\/em>. Questo raggiunge una temperatura di fusione e passa cos\u00ec dallo stato solido a quello liquido provocando l\u2019apertura dei contatti. Sono una sicurezza estrema, ma estremamente sicuri e trovano la loro applicazione in un vastissimo numero di settori, soprattutto nel mondo dell\u2019elettrodomestico, dalle macchine per caff\u00e8 al mondo della refrigerazione.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:16px\"><a href=\"https:\/\/rdcomponents.com\/site\/termostati-ad-asta\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Termostati ad asta<\/strong><\/a>, o\u00a0<em><strong>invar<\/strong><\/em> (<a href=\"https:\/\/rdcomponents.com\/site\/2024\/02\/15\/115-termostati-ad-asta\/\" target=\"_blank\" rel=\"noreferrer noopener\">per approfondire<\/a>). Si tratta di un termostato composto da un\u2019asta in\u00a0<em>invar<\/em>. Questo \u00e8 un materiale il cui nome deriva dal francese\u00a0<em>invariable<\/em>, invariabile, poich\u00e9 ha un coefficiente di dilatazione termica bassissimo. Per questo motivo l\u2019<em>invar<\/em>\u00a0trova larga applicazione nei dispositivi meccanici di precisione e tra questi anche i\u00a0termostati\u00a0ad\u00a0asta. L\u2019asta in invar \u00e8 inserita in un tubetto in ottone che con l\u2019aumentare della temperatura si restringe provocando il movimento dell\u2019asta in invar. Viene chiamato anche termostato per scaldabagno perch\u00e9 questa \u00e8 la sua principale applicazione.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:16px\"><a href=\"https:\/\/rdcomponents.com\/site\/termostati-a-bulbo\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Termostati a bulbo<\/strong><\/a> (<a href=\"https:\/\/rdcomponents.com\/site\/2022\/05\/19\/36-termostati-a-bulbo\/\" target=\"_blank\" rel=\"noreferrer noopener\">per approfondire<\/a>). Detti anche ad espansione di liquidi, proprio perch\u00e9 un liquido contenuto all\u2019interno del sensore, detto anche bulbo, si espande in seguito all\u2019aumento della temperatura e va a far pressione su una membrana finch\u00e9 questa, piegandosi, provoca l\u2019apertura dei contatti. Un alberino rotante consente di selezionare la posizione che andr\u00e0 a determinare la temperatura d\u2019intervento. Questo tipo di termostato \u00e8 usato come controllo, ma anche sicurezza (nella versione a riarmo manuale) su moltissimi tipi di elettrodomestici moltissimi professionali, ovunque venga richiesto di regolare la temperatura a piacimento, rotando una manopola di controllo.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2025\/07\/FusibiliAstaBulbi-Per-ARTICOLO.jpg\" alt=\"bimetallici\" class=\"wp-image-17334\" style=\"width:800px\"\/><\/figure>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:16px\">Ogni problema ha la sua soluzione, ogni criticit\u00e0 una sua peculiarit\u00e0 e un modo diverso per tenere la temperatura sotto controllo ed\u00a0<strong>R&amp;D Components<\/strong>\u00a0\u00e8 sicuramente uno dei partner pi\u00f9 qualificati sul mercato per trovare il prodotto pi\u00f9 adatto alle esigenze dei suoi clienti.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I principali modelli di controllo meccanico della temperatura sono rappresentati dai dispositivi bimetallici. Questi vengono azionati sulla base del vecchio principio della dilatazione dei metalli in funzione dell\u2019aumento della temperatura. Ma\u00a0col tempo sono state inventate nuove soluzioni per adattarsi alla crescente necessit\u00e0 di mettere in&#8230;<\/p>\n","protected":false},"author":2,"featured_media":17338,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[239,236],"tags":[1307,139,204,377],"class_list":["post-17333","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-funzionamento-tecnico","category-prodotti","tag-bimetallici","tag-termofusibili","tag-termostati-a-bulbo","tag-termostati-ad-asta"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>#180 Controlli diversi dai bimetallici -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rdcomponents.com\/site\/2025\/07\/10\/180-controlli-diversi-dai-bimetallici\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"#180 Controlli diversi dai bimetallici -\" \/>\n<meta property=\"og:description\" content=\"I principali modelli di controllo meccanico della temperatura sono rappresentati dai dispositivi bimetallici. Questi vengono azionati sulla base del vecchio principio della dilatazione dei metalli in funzione dell\u2019aumento della temperatura. Ma\u00a0col tempo sono state inventate nuove soluzioni per adattarsi alla crescente necessit\u00e0 di mettere in...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rdcomponents.com\/site\/2025\/07\/10\/180-controlli-diversi-dai-bimetallici\/\" \/>\n<meta property=\"og:site_name\" content=\"R&amp;d Components Srl\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-10T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-28T10:18:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2025\/07\/FusibiliAstaBulbi-Copertina-e1752741586714.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"563\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Roberto Ferranti\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto 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Ferranti","author_link":"https:\/\/rdcomponents.com\/site\/author\/roberto\/"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/rdcomponents.com\/site\/category\/funzionamento-tecnico\/\" rel=\"category tag\">Funzionamento tecnico<\/a> <a href=\"https:\/\/rdcomponents.com\/site\/category\/prodotti\/\" rel=\"category tag\">Prodotti<\/a>","rttpg_excerpt":"I principali modelli di controllo meccanico della temperatura sono rappresentati dai dispositivi bimetallici. Questi vengono azionati sulla base del vecchio principio della dilatazione dei metalli in funzione dell\u2019aumento della temperatura. Ma\u00a0col tempo sono state inventate nuove soluzioni per adattarsi alla crescente necessit\u00e0 di mettere in...","_links":{"self":[{"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/posts\/17333","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/comments?post=17333"}],"version-history":[{"count":0,"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/posts\/17333\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/media\/17338"}],"wp:attachment":[{"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/media?parent=17333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/categories?post=17333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rdcomponents.com\/site\/wp-json\/wp\/v2\/tags?post=17333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}