{"id":660,"date":"2016-02-12T15:52:57","date_gmt":"2016-02-12T14:52:57","guid":{"rendered":"http:\/\/www.careforair.eu\/?p=660"},"modified":"2025-09-09T14:49:49","modified_gmt":"2025-09-09T12:49:49","slug":"na-jakych-principech-funguji-cidla-kvality-vzduchu","status":"publish","type":"post","link":"http:\/\/cidladev.mh370.cz\/cs\/nezarazene\/na-jakych-principech-funguji-cidla-kvality-vzduchu\/","title":{"rendered":"Na jak\u00fdch principech funguj\u00ed \u010didla kvality vzduchu?"},"content":{"rendered":"<h1>Principy fungov\u00e1n\u00ed \u010didel kvality vzduchu<\/h1>\n<p>&nbsp;<\/p>\n<div class=\"gdc_row\">\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<h3>M\u011b\u0159en\u00ed koncentrace oxidu uhli\u010dit\u00e9ho \u2013 princip NDIR<\/h3>\n<h4>NDIR\u00a0= Non-Dispersive Infrared, nerozpt\u00fdlen\u00e9 infra\u010derven\u00e9 sv\u011btlo<\/h4>\n<p>Tato \u010didla pracuj\u00ed na&nbsp;principu m\u011b\u0159en\u00ed \u00fatlumu infra\u010derven\u00e9ho z\u00e1\u0159en\u00ed (o&nbsp;specifick\u00e9 vlnov\u00e9 d\u00e9lce) ve\u00a0vzduchu. \u010cidla sest\u00e1vaj\u00ed ze\u00a0zdroje infra\u010derven\u00e9ho z\u00e1\u0159en\u00ed (\u017e\u00e1rovka), sv\u011btlo-vodn\u00e9 trubice a\u00a0infra\u010derven\u00e9ho detektoru s\u00a0p\u0159\u00edslu\u0161n\u00fdm filtrem. Sign\u00e1l z&nbsp;infra\u010derven\u00e9ho detektoru se\u00a0d\u00e1le zesiluje a\u00a0pak se\u00a0pomoc\u00ed dal\u0161\u00ed elektroniky vyhodnocuje \u00fatlum z\u00e1\u0159en\u00ed, kter\u00fd je zap\u0159\u00ed\u010din\u011bn koliz\u00ed s\u00a0oxidem uhli\u010dit\u00fdm.\u00a0Na\u00a0tomto z\u00e1klad\u011b se\u00a0vypo\u010d\u00edt\u00e1 aktu\u00e1ln\u00ed koncentrace CO<sub>2<\/sub>\u00a0ve\u00a0vzduchu. Pro zjednodu\u0161en\u00ed \u2013 \u010d\u00edm v\u00edc CO<sub>2<\/sub>, t\u00edm v\u00edce se\u00a0utlumuje infra\u010derven\u00e9 z\u00e1\u0159en\u00ed.<\/p>\n<p>\u010cidla NDIR jsou obecn\u011b velmi p\u0159esn\u00e1 a&nbsp;dlouhodob\u011b stabiln\u00ed. V\u00fdhodou je, \u017ee m\u011b\u0159\u00ed koncentraci ji\u017e od\u00a0nulov\u00e9 hodnoty, zvl\u00e1dnou m\u011b\u0159it i&nbsp;vysokou koncentraci CO<sub>2<\/sub>. V&nbsp;sou\u010dasn\u00e9 dob\u011b m\u00e1me princip NDIR aplikovan\u00fd ve v\u0161ech \u010didlech koncentrace oxidu uhli\u010dit\u00e9ho. Jejich stabilita a&nbsp;\u017eivotnosti je v\u00edce jak 10 let.<\/p>\n<\/div>\n<\/div>\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11196\" src=\"https:\/\/www.cidla.cz\/wp-content\/uploads\/2025\/07\/4-e1755001243597.png\" alt=\"Popis, jak funguje NDIR \u010didlo CO2\" width=\"717\" height=\"379\" srcset=\"http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2025\/07\/4-e1755001243597.png 717w, http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2025\/07\/4-e1755001243597-300x159.png 300w\" sizes=\"auto, (max-width: 717px) 100vw, 717px\" \/>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"gdc_row\">\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-662 aligncenter\" src=\"https:\/\/www.cidla.cz\/wp-content\/uploads\/2016\/02\/elektrochem.jpg\" alt=\"\" width=\"393\" height=\"180\" srcset=\"http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/elektrochem.jpg 389w, http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/elektrochem-300x137.jpg 300w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><\/div>\n<\/div>\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<h3>Elektrochemick\u00e1 \u010didla \u2013 m\u011b\u0159en\u00ed\u00a0t\u011bkav\u00fdch organick\u00fdch l\u00e1tek\u00a0a\u00a0vlhkosti<\/h3>\n<p>Tato \u010didla obvykle sest\u00e1vaj\u00ed z&nbsp;elektrochemick\u00e9ho \u010dl\u00e1nku s&nbsp;tuh\u00fdm elektrolytem (= roztoky nebo taveniny, kter\u00e9 vedou elektrick\u00fd proud). Tento \u010dl\u00e1nek je p\u0159\u00eddavn\u00fdm \u017ehaven\u00edm vyh\u0159\u00edv\u00e1n na&nbsp;pracovn\u00ed teplotu. Na&nbsp;elektrod\u00e1ch \u010dl\u00e1nku doch\u00e1z\u00ed k&nbsp;chemick\u00fdm reakc\u00edm podobn\u00fdm jako v&nbsp;palivov\u00e9m \u010dl\u00e1nku, kdy se spot\u0159ebov\u00e1v\u00e1 kysl\u00edk a&nbsp;na&nbsp;elektrod\u00e1ch \u010dl\u00e1nku vznik\u00e1 elektromotorick\u00e1 s\u00edla. M\u011b\u0159en\u00edm t\u00e9to elektromotorick\u00e9 s\u00edly pomoc\u00ed speci\u00e1ln\u00ed elektroniky se pak zji\u0161\u0165uje koncentrace CO2 ve vzduchu. Hlavn\u00ed p\u0159ednost\u00ed t\u011bchto \u010didel je vysok\u00e1 citlivost a&nbsp;vynikaj\u00edc\u00ed selektivita na&nbsp;oxid uhli\u010dit\u00fd. Jsou obvykle levn\u011bj\u0161\u00ed ne\u017e \u010didla NDIR, ov\u0161em s&nbsp;v\u00fdrazn\u011b ni\u017e\u0161\u00ed \u017eivotnost\u00ed (cca 2 roky) a&nbsp;p\u0159esnost\u00ed. Proto jsme od t\u011bchto \u010didel odstoupili. \u010cidla pracuj\u00edc\u00ed na&nbsp;elektrochemick\u00e9m principu pracuj\u00ed a\u017e od cca 400ppm, co\u017e vzhledem ke koncentraci ve venkovn\u00edm vzduchu, kter\u00e1 je okolo 360-400ppm, v\u016fbec nevad\u00ed.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"gdc_row\">\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<h3>Elektroakustick\u00e1 \u010didla<\/h3>\n<p>Elektroakustick\u00e1 \u010didla pracuj\u00ed na&nbsp;principu vyhodnocov\u00e1n\u00ed zm\u011bn kmito\u010dtu ultrazvuku v&nbsp;mechanick\u00e9m rezon\u00e1toru. Pomoc\u00ed elektroniky se vyhodnocuje zm\u011bna kmito\u010dtu ultrazvukov\u00fdch vln \u00a0a na&nbsp;z\u00e1klad\u011b z\u00e1vislosti zm\u011bny kmito\u010dtu na&nbsp;koncentraci CO<sub>2<\/sub>\u00a0ve vzduchu se ur\u010duje aktu\u00e1ln\u00ed koncentrace CO<sub>2<\/sub>.<\/p>\n<p>Hlavn\u00ed p\u0159ednost\u00ed t\u011bchto \u010didel je dlouhodob\u00e1 stabilita bez nutnosti rekalibrace.<\/p>\n<\/div>\n<\/div>\n<div class=\"gdc_column gdc_chalf\">\n<div class=\"gdc_inner\">\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-663 aligncenter\" src=\"https:\/\/www.cidla.cz\/wp-content\/uploads\/2016\/02\/elektroakust.jpg\" alt=\"\" width=\"393\" height=\"233\" srcset=\"http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/elektroakust.jpg 693w, http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/elektroakust-300x177.jpg 300w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h3>V\u00fdstupy \u010didel<\/h3>\n<p>\u010cidla v\u0161ech typ\u016f maj\u00ed obvykle spojit\u00fd nap\u011b\u0165ov\u00fd v\u00fdstup (0-10 V) nebo proudov\u00fd v\u00fdstup (0-20 \/ 4-20 mA), pomoc\u00ed kter\u00e9ho p\u0159ed\u00e1vaj\u00ed informaci o\u00a0hodnot\u011b koncentrace CO<sub>2<\/sub>\u00a0ve\u00a0vzduchu nad\u0159\u00edzen\u00e9mu ventila\u010dn\u00edmu syst\u00e9mu.<\/p>\n<p>&nbsp;<\/p>\n<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n<div id='gallery-1' class='gallery galleryid-660 gallery-columns-3 gallery-size-large'>\n<dl class='gallery-item'>\n<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/napet.jpg' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" width=\"538\" height=\"429\" src=\"http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/napet.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/napet.jpg 538w, http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/napet-300x239.jpg 300w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/a>\n\t\t\t<\/dt>\n<\/dl>\n<dl class='gallery-item'>\n<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/proudovy.jpg' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" width=\"538\" height=\"440\" src=\"http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/proudovy.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/proudovy.jpg 538w, http:\/\/cidladev.mh370.cz\/wp-content\/uploads\/2016\/02\/proudovy-300x245.jpg 300w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/a>\n\t\t\t<\/dt>\n<\/dl>\n<p>\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ztr\u00e1c\u00edte se v&nbsp;technick\u00fdch term\u00ednech souvisej\u00edc\u00edch s&nbsp;m\u011b\u0159en\u00edm koncentrace r\u016fzn\u00fdch l\u00e1tek ve vzduchu? \u010cidla pro m\u011b\u0159en\u00ed CO<sub>2<\/sub>, CO, t\u011bkav\u00fdch organick\u00fdch l\u00e1tek atd. funguj\u00ed na&nbsp;t\u0159ech z\u00e1kladn\u00edch principech, z&nbsp;nich\u017e posledn\u00ed dobou nej\u010dast\u011bji pou\u017e\u00edvan\u00fdm je princip NDIR. Co to znamen\u00e1 NDIR a&nbsp;jak funguj\u00ed \u010didla na&nbsp;tomto, i&nbsp;na&nbsp;ostatn\u00edch principech? <\/p>\n","protected":false},"author":4,"featured_media":9610,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-660","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-nezarazene","post_format-post-format-image"],"acf":[],"_links":{"self":[{"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/posts\/660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/comments?post=660"}],"version-history":[{"count":0,"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/posts\/660\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/media\/9610"}],"wp:attachment":[{"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/media?parent=660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/categories?post=660"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cidladev.mh370.cz\/cs\/wp-json\/wp\/v2\/tags?post=660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}