{"id":62116,"date":"2023-04-21T12:58:17","date_gmt":"2023-04-21T17:58:17","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-in-cylinder-pressure-transducer\/"},"modified":"2025-01-27T06:03:23","modified_gmt":"2025-01-27T11:03:23","slug":"diy-in-cylinder-pressure-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/diy-in-cylinder-pressure-transducer\/","title":{"rendered":"DIY Tlakov\u00fd Senzor do V\u00e1lce: N\u00e1vod a Tipy"},"content":{"rendered":"<p>Senzor tlaku v v\u00e1lci si m\u016f\u017eete vyrobit sami, av\u0161ak je to n\u00e1ro\u010dn\u00fd projekt vy\u017eaduj\u00edc\u00ed zna\u010dn\u00e9 technick\u00e9 znalosti a preciznost.  \u00dasp\u011bch z\u00e1vis\u00ed na pe\u010dliv\u00e9m v\u00fdb\u011bru komponent a p\u0159esn\u00e9m proveden\u00ed.  N\u00e1sleduj\u00edc\u00ed text popisuje n\u011bkter\u00e9 kl\u00ed\u010dov\u00e9 aspekty takov\u00e9ho DIY projektu, ale zd\u016fraz\u0148ujeme, \u017ee se jedn\u00e1 o n\u00e1ro\u010dn\u00fd \u00fakol a v\u00fdsledn\u00fd senzor nemus\u00ed spl\u0148ovat po\u017eadavky na p\u0159esnost a spolehlivost komer\u010dn\u00edch produkt\u016f.<\/p>\n<p>V\u00fdb\u011br sn\u00edma\u010de tlaku<\/p>\n<p>Z\u00e1kladem DIY senzoru tlaku ve v\u00e1lci je vhodn\u00fd sn\u00edma\u010d.  M\u016f\u017eete vyu\u017e\u00edt piezoelektrick\u00e9 sn\u00edma\u010de, kter\u00e9 m\u011bn\u00ed mechanick\u00fd tlak na elektrick\u00fd sign\u00e1l.  Alternativou jsou kapacitn\u00ed sn\u00edma\u010de, kter\u00e9 m\u011b\u0159\u00ed zm\u011bnu kapacity v z\u00e1vislosti na tlaku.  Volba z\u00e1vis\u00ed na po\u017eadovan\u00e9 p\u0159esnosti, rozsahu m\u011b\u0159en\u00ed a dostupnosti komponent.  Je t\u0159eba pe\u010dliv\u011b zv\u00e1\u017eit rozsah m\u011b\u0159en\u00e9ho tlaku a pracovn\u00ed teploty, kter\u00e9 ve spalovac\u00edm motoru mohou b\u00fdt velmi vysok\u00e9.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Typ sn\u00edma\u010de<\/th>\n<th>V\u00fdhody<\/th>\n<th>Nev\u00fdhody<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Piezoelektrick\u00fd<\/td>\n<td>Vysok\u00e1 citlivost, rychl\u00e1 odezva<\/td>\n<td>Citlivost na teplotu, k\u0159ehkost<\/td>\n<\/tr>\n<tr>\n<td>Kapacitn\u00ed<\/td>\n<td>Dobr\u00e1 linearita, robustnost<\/td>\n<td>Ni\u017e\u0161\u00ed citlivost, slo\u017eit\u011bj\u0161\u00ed kalibrace<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Konstrukce a materi\u00e1ly<\/p>\n<p>Konstrukce senzoru mus\u00ed b\u00fdt odoln\u00e1 v\u016f\u010di vysok\u00fdm teplot\u00e1m a tlak\u016fm uvnit\u0159 v\u00e1lce.  Pou\u017eit\u00ed vhodn\u00fdch materi\u00e1l\u016f je proto kl\u00ed\u010dov\u00e9.  T\u011blo senzoru by m\u011blo b\u00fdt vyrobeno z materi\u00e1lu odoln\u00e9ho v\u016f\u010di korozi a vysok\u00fdm teplot\u00e1m, nap\u0159\u00edklad z nerezov\u00e9 oceli.  Pro t\u011bsn\u011bn\u00ed je nezbytn\u00e9 pou\u017e\u00edt vysoce teplotn\u011b odoln\u00e9 t\u011bsn\u011bn\u00ed, kter\u00e9 zamez\u00ed \u00faniku plyn\u016f.  P\u0159esn\u00e9 proveden\u00ed mechanick\u00e9ho propojen\u00ed sn\u00edma\u010de s v\u00e1lcem je kritick\u00e9 pro p\u0159esn\u00e9 m\u011b\u0159en\u00ed.<\/p>\n<p>Elektronika a kalibrace<\/p>\n<p>Z\u00edskan\u00fd sign\u00e1l ze sn\u00edma\u010de je nutn\u00e9 zpracovat pomoc\u00ed vhodn\u00e9 elektroniky.  To obvykle zahrnuje zesilova\u010d sign\u00e1lu, analogov\u011b-digit\u00e1ln\u00ed p\u0159evodn\u00edk (ADC) a mikro\u0159adi\u010d pro zpracov\u00e1n\u00ed dat a komunikaci s extern\u00edm za\u0159\u00edzen\u00edm.  Kalibrace senzoru je nezbytn\u00e1 pro dosa\u017een\u00ed p\u0159esn\u00fdch m\u011b\u0159en\u00ed.  To se prov\u00e1d\u00ed porovn\u00e1n\u00edm v\u00fdstupu senzoru s kalibra\u010dn\u00edmi tlaky.  Pro p\u0159esnou kalibraci je pot\u0159eba speci\u00e1ln\u00ed kalibra\u010dn\u00ed za\u0159\u00edzen\u00ed.<\/p>\n<p>Bezpe\u010dnostn\u00ed opat\u0159en\u00ed<\/p>\n<p>Pr\u00e1ce s vysok\u00fdmi tlaky a teplotami je nebezpe\u010dn\u00e1.  P\u0159i konstrukci a testov\u00e1n\u00ed senzoru je nezbytn\u00e9 dodr\u017eovat p\u0159\u00edsn\u00e1 bezpe\u010dnostn\u00ed opat\u0159en\u00ed.  Je nutn\u00e9 pou\u017e\u00edvat ochrann\u00e9 pom\u016fcky, jako jsou ochrann\u00e9 br\u00fdle a rukavice.  Testov\u00e1n\u00ed by se m\u011blo prov\u00e1d\u011bt v kontrolovan\u00e9m prost\u0159ed\u00ed s dodr\u017eov\u00e1n\u00edm v\u0161ech bezpe\u010dnostn\u00edch p\u0159edpis\u016f.<\/p>\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee v\u00fdroba DIY senzoru tlaku ve v\u00e1lci je velmi n\u00e1ro\u010dn\u00fd projekt, kter\u00fd vy\u017eaduje pokro\u010dil\u00e9 technick\u00e9 znalosti, precizn\u00ed pr\u00e1ci a dostupnost speci\u00e1ln\u00edch komponent.  Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee v\u00fdsledn\u00fd senzor nemus\u00ed dosahovat p\u0159esnosti a spolehlivosti komer\u010dn\u00edch produkt\u016f a je nutn\u00e9 dodr\u017eovat p\u0159\u00edsn\u00e1 bezpe\u010dnostn\u00ed opat\u0159en\u00ed.  Pro v\u011bt\u0161inu u\u017eivatel\u016f je n\u00e1kup komer\u010dn\u011b dostupn\u00e9ho senzoru tlaku mnohem prakti\u010dt\u011bj\u0161\u00ed a bezpe\u010dn\u011bj\u0161\u00ed \u0159e\u0161en\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Senzor tlaku v v\u00e1lci si m\u016f\u017eete vyrobit sami, av\u0161ak je to n\u00e1ro\u010dn\u00fd projekt vy\u017eaduj\u00edc\u00ed zna\u010dn\u00e9 technick\u00e9 znalosti a preciznost. \u00dasp\u011bch z\u00e1vis\u00ed na pe\u010dliv\u00e9m v\u00fdb\u011bru komponent a p\u0159esn\u00e9m proveden\u00ed. N\u00e1sleduj\u00edc\u00ed text popisuje n\u011bkter\u00e9 kl\u00ed\u010dov\u00e9 aspekty takov\u00e9ho DIY projektu, ale zd\u016fraz\u0148ujeme, \u017ee se jedn\u00e1 o n\u00e1ro\u010dn\u00fd \u00fakol a v\u00fdsledn\u00fd senzor nemus\u00ed spl\u0148ovat po\u017eadavky na p\u0159esnost a spolehlivost<\/p>\n","protected":false},"author":1,"featured_media":26940,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-62116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/62116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/comments?post=62116"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/62116\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/26940"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=62116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=62116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=62116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}