{"id":2640,"date":"2022-12-03T15:09:05","date_gmt":"2022-12-03T15:09:05","guid":{"rendered":"https:\/\/csiag.eu\/?p=2640"},"modified":"2025-01-08T09:19:34","modified_gmt":"2025-01-08T09:19:34","slug":"hm_lfls-fuktbasert-ventilasjonskontroll","status":"publish","type":"post","link":"https:\/\/csiag.eu\/nb\/blog\/2022\/12\/03\/hm_lfls-luftfeuchteabaengige-lueftungssteuerung\/","title":{"rendered":"SmartHome - fuktighetsavhengig ventilasjonskontroll"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Innholdsfortegnelse<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/csiag.eu\/nb\/blog\/2022\/12\/03\/hm_lfls-luftfeuchteabaengige-lueftungssteuerung\/#Verkabelung\" >Kabling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/csiag.eu\/nb\/blog\/2022\/12\/03\/hm_lfls-luftfeuchteabaengige-lueftungssteuerung\/#Benotigte_Hardware\" >N\u00f8dvendig maskinvare<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/csiag.eu\/nb\/blog\/2022\/12\/03\/hm_lfls-luftfeuchteabaengige-lueftungssteuerung\/#Programmierung\" >Programmering<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Lesetid<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutter<\/span><\/span>\n<p class=\"wp-block-paragraph\">Fuktighetsavhengig ventilasjonskontroll forhindrer dannelse av kondens. Niessmann-Bischof Flair-modellene har vanligvis en rullesjalusi i frontvinduet. Dette holder kulden ute og sikrer en temperaturforskjell p\u00e5 rundt 14 \u00b0C (f.eks. 4 \u00b0C mellom rullegardinen og frontvinduet, 18 \u00b0C i oppholdsrommet bak rullegardinen).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fordelen med det gode isolasjonsskillet mellom bodelen og frontruten er at varmen i bodelen effektivt konsentreres p\u00e5 innsiden. Ulempen er imidlertid at det dannes kondens p\u00e5 frontruten som f\u00f8lge av den store temperaturforskjellen og den tilh\u00f8rende betydelig h\u00f8yere luftfuktigheten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Form\u00e5let med den automatiske ventilasjonsfunksjonen som presenteres her, er \u00e5 minimere eller til og med forhindre dette ved hjelp av den innebygde kj\u00f8ret\u00f8yviften (variant Fiat Ducato 244).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Men denne smarte l\u00f8sningen kan ogs\u00e5 brukes hjemme for \u00e5 forebygge mugg, f.eks. i kjellere, enten ved \u00e5 aktivere en vifte og\/eller en varmeovn for \u00e5 hindre at duggpunktet n\u00e5s.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Verkabelung\"><\/span>Kabling<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En kabel trekkes parallelt med den hvite\/svarte kabelen til viftetilkoblingen p\u00e5 valgbryteren i bilens dashbord til en av de fire potensialfrie rel\u00e9kontaktene i Homematic 4-fold rel\u00e9modul. Den tilsvarende andre rel\u00e9kontakten er koblet til batteri pluss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hvis rel\u00e9et aktiveres under programstyring n\u00e5r en kritisk fuktighetsverdi overskrides, sl\u00e5r det f\u00f8rste trinnet av kj\u00f8ret\u00f8yets vifte seg p\u00e5 og sl\u00e5r seg av igjen n\u00e5r en ikke-kritisk verdi er n\u00e5dd.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benotigte_Hardware\"><\/span>N\u00f8dvendig maskinvare<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Maskinvaren som skal installeres, er begrenset til to Homematic-komponenter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Homematic 4-fold rel\u00e9modul&nbsp;<a href=\"https:\/\/www.amazon.de\/HomeMatic-HM-LC-SW4-PCB-4-Kanal-Schaltaktor-Komplettbausatz\/dp\/B002BZGBA0\/ref=sr_1_1?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&amp;crid=Z241YRYEPSUX&amp;keywords=homematic+HM-LC-Sw4-WM&amp;qid=1667671691&amp;sprefix=homematic+hm-lc-sw4-wm%2Caps%2C137&amp;sr=8-1\" target=\"_blank\" rel=\"noreferrer noopener\">HM-LC-Sw4-W<\/a><\/li>\n\n\n\n<li>Homematic innend\u00f8rs temperatur- og luftfuktighetssensor <a href=\"https:\/\/de.elv.com\/homematic-funk-innensensor-ith-hm-wds40-th-i-2-fuer-smart-home-hausautomation-132095\" target=\"_blank\" rel=\"noreferrer noopener\">HM-WDS40-TH-I-2<\/a><\/li>\n\n\n\n<li>Homematic veggtermostat <a href=\"https:\/\/de.elv.com\/homematic-funk-wandthermostat-hm-tc-it-wm-w-eu-fuer-smart-home-hausautomation-132030\" target=\"_blank\" rel=\"noreferrer noopener\">HM-TC-IT-WM-W-EU<\/a><br><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Programmierung\"><\/span>Programmering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Programmet som vises, lagrer den aktuelle m\u00e5lte luftfuktigheten og temperaturen til temperatur- og luftfuktighetssensoren i f\u00f8rerhuset i variablene <code>F_FH <\/code>og<code> T_FH<\/code>og temperatur og luftfuktighet p\u00e5 veggtermostaten i variablene <code>T_WT <\/code>og<code> F_WT<\/code>. Verdiene som beregnes ut fra dette, resulterer til slutt i anbefalingen \"<code>lufte<\/code>\" eller \"<code>ikke ventiler<\/code>\". som er lagret i variabelen Lueften.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avhengig av resultatet, f.eks. <code>Kanal 1<\/code> av den 4-foldige rel\u00e9modulen, eller viftemotoren p\u00e5 niv\u00e5 1, er sl\u00e5tt p\u00e5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Programmet:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"243\" src=\"https:\/\/csiag.eu\/wp-content\/uploads\/2023\/01\/image-1024x243.png\" alt=\"\" class=\"wp-image-2952\" srcset=\"https:\/\/csiag.eu\/wp-content\/uploads\/2023\/01\/image-1024x243.png 1024w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/01\/image-300x71.png 300w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/01\/image-768x183.png 768w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/01\/image-1536x365.png 1536w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/01\/image-2048x487.png 2048w, https:\/\/csiag.eu\/wp-content\/uploads\/2023\/01\/image-1560x371.png 1560w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Program for ventilasjonsanbefalinger\/forebygging av kondens<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Koden:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>real T_WT = dom.GetObject(\"T_actual_WT\").Value();<br>WriteLine(\"T_actual_WT \/ T_WT\");WriteLine(T_WT);<br>real F_WT = dom.GetObject(\"F_actual_WT\").Value();<br>WriteLine(\"F_aktuell_WT \/ F_WT\");WriteLine(F_WT);<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>real T_FH = dom.GetObject(\"T_actual_FH\").Value();<br>WriteLine(\"T_aktuell_FH \/ T_FH\");WriteLine(T_FH);<br>real F_FH = dom.GetObject(\"F_actual_FH\").Value();<br>WriteLine(\"F_aktuell_FH \/ F_FH\");WriteLine(F_FH);<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>var Lueften = dom.GetObject(\"Lueften\").Value();<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>heltall rF_WT = F_WT; ! relativ luftfuktighet i % inne<br>heltall rF_FH = F_FH; ! relativ luftfuktighet i % utenfor<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>real r = (17,62 * T_WT) \/ (243,12 + T_WT);WriteLine(\"r (WT)\");WriteLine(r);<br>real e = r.Exp()*611.2;WriteLine(\"e (WT)\");WriteLine(e);<br>real eSat = e * rF_WT;WriteLine(\"eSat (WT)\");WriteLine(eSat);<br>real F_WT = ((eSat \/ 461,51 * (T_WT+273,15))<em>10).ToString(2);WriteLine(\"F_WT\");WriteLine(F_WT); WriteLine(\"abs. Luftfuktighet inne i e<\/em> (WT): \" + F_WT);<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>real r = (17,62 * T_FH) \/ (243,12 + T_FH);WriteLine(\"r (FH)\");WriteLine(r);<br>real e = r.Exp()*611.2;WriteLine(\"e (FH)\");WriteLine(e);<br>real eSat = e * rF_FH;WriteLine(\"eSat (FH)\");WriteLine(eSat);<br>real F_FH = ((eSat \/ 461,51 * (T_FH+273,15))<em>10).ToString(2);WriteLine(\"F_FH\");WriteLine(F_FH); WriteLine(\"abs. Luftfuktighet utenfor e<\/em>: \" + F_FH);<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>! Absolutt luftfuktighet - inne<br>if (T_WT &lt; 0,0) {T_WT = 0,0;}<br>hvis (T_WT &lt; 10,0)<br>{ F_WT = (3,78 + (0,29 * T_WT) + (0,0046 * T_WT * T_WT) + (0,00051 * T_WT * T_WT * T_WT * T_WT)) * 0,01 * rF_WT;<br>WriteLine(\"F_WT abs.F hvis T_WT &lt; 10.0&quot;);WriteLine(F_WT);<br>}<br>ellers<br>{ F_WT = (7,62 + (0,51 * (T_WT-10,0)) + (0,0143 * (T_WT-10,0) * (T_WT-10,0)) + (0,00045 * (T_WT-10,0) * (T_WT-10,0) * (T_WT-10,0))) * 0,01 * rF_WT;<br>WriteLine(\"F_WT abs.F else\");WriteLine(F_WT);<br>}<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>! Absolutt luftfuktighet - utvendig<br>if (T_FH &lt; 0,0) {T_FH = 0,0;}<br>hvis (T_FH &lt; 10,0)<br>{ F_FH = (3,78 + (0,29 * T_FH) + (0,0046 * T_FH * T_FH) + (0,00051 * T_FH * T_FH * T_FH * T_FH)) * 0,01 * rF_FH;<br>WriteLine(\"F_FH abs.F if T_FH &lt; 10.0&quot;);WriteLine(F_FH);<br>}<br>ellers<br>{ F_FH = (7,62 + (0,51 * (T_FH-10,0)) + (0,0143 * (T_FH-10,0) * (T_FH-10,0)) + (0,00045 * (T_FH-10,0) * (T_FH-10,0) * (T_FH-10,0)))) * 0,01 * rF_FH;<br>WriteLine(\"F_FH abs.F else\");WriteLine(F_FH);<br>}<br>WriteLine(\" \");<br>WriteLine(\"Temperatur inne: (T_WT)\" + T_WT);<br>WriteLine(\"rel. Luftfuktighet inne i (rF_WT)%: \" + rF_WT);<br>WriteLine(\"abs. fuktighet inne i: F_WT)\" + F_WT);<br>WriteLine(\"Temperatur ute: (T_FH)\" + T_FH);<br>WriteLine(\"rel. Luftfuktighet utenfor (rF_FH)%: \" + rF_FH);<br>WriteLine(\"abs. Luftfuktighet ute: (F_FH)\" + F_FH);<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>! Metning (0,5 g\/kg ved 0,7 K hysterese)<br>if ((F_FH &lt;= (F_WT - 0,8)) &amp;&amp; (T_FH  20,7))<br>{Lueften.State(true);}<br>ellers<br>{ hvis ((F_FH &gt;= (F_WT - 0,3)) || (T_FH &gt;= (T_WT - 0,3)) || (T_WT &lt;= 20,0))<br>{Lueften.State(false);}<br>}<\/code><br>WriteLine(\"Lueften\");WriteLine(Lueften);<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Variablene leses ut fra de respektive temperatur-\/luftfuktighetssensorene i et eksternt program og legges dermed til i alle andre programmer uten at det er n\u00f8dvendig \u00e5 sp\u00f8rre sensoren p\u00e5 nytt (for \u00e5 minimere <em><a href=\"https:\/\/csiag.eu\/nb\/dag\/jobbsykkel\/\">DutyCycles<\/a><\/em>og brukes i dette programmet til \u00e5 beregne anbefalingen \"Ventil\u00e9r\" eller \"Ikke ventil\u00e9r\".<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Som alltid: alle <code>WriteLine<\/code> Instruksjoner kan utstedes etter funksjonstesting med en ledende \"<code>! <\/code>\" kan kommenteres ut eller slettes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hvis du \u00f8nsker en mer detaljert forklaring av beregningsgrunnlaget, finner du <a href=\"https:\/\/ib-rauch.de\/bautens\/formel\/abs_luftfeucht.html\" target=\"_blank\" rel=\"noreferrer noopener\">her<\/a> funnet.<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Lesetid<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutter<\/span><\/span>Fuktighetsavhengig ventilasjonskontroll forhindrer dannelse av kondens. Niessmann-Bischof Flair-modellene har vanligvis en rullesjalusi i frontvinduet. Dette holder kulden ute p\u00e5 en god m\u00e5te og s\u00f8rger for en temperaturforskjell p\u00e5 rundt 14 \u00b0C (f.eks. 4 \u00b0C mellom rullegardinen og frontvinduet, 18 \u00b0C i bodelen bak rullegardinen). Fordelen med dette gode isolasjonsskillet mellom bodelen og vindusomr\u00e5det er at det...&nbsp;<a href=\"https:\/\/csiag.eu\/nb\/blog\/2022\/12\/03\/hm_lfls-luftfeuchteabaengige-lueftungssteuerung\/\" rel=\"bookmark\">Les mer \"<span class=\"screen-reader-text\">SmartHome - fuktighetsavhengig ventilasjonskontroll<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[435,347],"tags":[437,438,377,436,387,381,443,370,441,442,388,440,439],"class_list":["post-2640","post","type-post","status-publish","format-standard","hentry","category-lueftungssteuerung","category-smarthome-im-wohnmobil","tag-fahrzeugluefter","tag-frontscheibe","tag-homematic","tag-kondenswasser","tag-lueftungssteuerung","tag-relais-modul","tag-schaltkanal","tag-smarthome","tag-taupunkt","tag-taupunkt-temperatur","tag-temperatur-feuchte-sensor","tag-wohnbereich","tag-wohnraum"],"modified_by":"Achim Goerner","_links":{"self":[{"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/posts\/2640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/comments?post=2640"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/posts\/2640\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/media?parent=2640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/categories?post=2640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/nb\/wp-json\/wp\/v2\/tags?post=2640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}