{"id":11243,"date":"2025-11-05T01:09:20","date_gmt":"2025-11-05T01:09:20","guid":{"rendered":"https:\/\/daivings.lv\/?p=11243"},"modified":"2025-11-05T01:09:21","modified_gmt":"2025-11-05T01:09:21","slug":"ar-jj-ccr-rebrizeru-sasniegts-robustums-un-augsta-efektivitate-tehniskaja-nirsana","status":"publish","type":"post","link":"https:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/","title":{"rendered":"JJ-CCR rebrizeris u\u017etikrina tvirtum\u0105 ir didel\u012f efektyvum\u0105 techniniame nardyme"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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\">Turinys<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Perjungti turin\u012f\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Perjungti<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/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:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/#Ievads_slegta_cikla_rebrideru_CCR_Tehnologija\" >\u012evadas \u012f u\u017edaro ciklo \u0161aldymo (CCR) technologij\u0105<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/#JJ-CCR_filozofija_un_mehaniska_uzbuve\" >JJ-CCR filosofija ir mechaninis projektavimas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/#Elektroniski_kontroleta_PO_2_vadiba_ECCR\" >Elektroniniu b\u016bdu valdomas PO_2 valdymas (ECCR)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/#Elektroniska_Redundanse_un_Drosiba\" >Elektroninis perteklius ir sauga<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/#Tehniskas_prieksrocibas_un_pielietojums\" >Techniniai prana\u0161umai ir pritaikymas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/#Par_skabekla_toksicitati_CNS_O2_CCR_konteksta\" >D\u0117l deguonies toksi\u0161kumo (CNS O2) KKR kontekste<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ievads_slegta_cikla_rebrideru_CCR_Tehnologija\"><\/span>\u012evadas \u012f u\u017edaro ciklo \u0161aldymo (CCR) technologij\u0105<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">U\u017edaros grandin\u0117s rebrizeriai (CCR) suk\u0117l\u0117 revoliucij\u0105 techniniame nardyme, suteikdami reik\u0161ming\u0173 prana\u0161um\u0173, palyginti su tradiciniais atviros grandin\u0117s nardymo aparatais. Pagrindinis CCR principas yra toks: <strong>i\u0161kv\u0117pt\u0173 duj\u0173 recirkuliacija<\/strong>Skirtingai nuo atviros grandin\u0117s sistem\u0173, kuriose i\u0161kvepiamos dujos yra i\u0161stumiamos \u012f vanden\u012f (sudarant burbuliukus), pakartotinio kv\u0117pavimo aparatas specialaus absorbento (natrio kalki\u0173) pagalba pa\u0161alina anglies dioksid\u0105 (CO2) ir tada papildo deguonies (O2) lyg\u012f, sukurdamas optimal\u0173 kv\u0117pavimo mi\u0161in\u012f. \u0160is procesas leid\u017eia ilgiau i\u0161b\u016bti po vandeniu, suma\u017einti duj\u0173 suvartojim\u0105 ir \u017eymiai sutrumpinti dekompresijos laik\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JJ-CCR_filozofija_un_mehaniska_uzbuve\"><\/span>JJ-CCR filosofija ir mechaninis projektavimas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>JJ-CCR<\/strong> sukurtas vadovaujantis filosofija <strong>paprastas, tvirtas ir minimalistinis dizainas<\/strong>, tod\u0117l tai patikimas \u012frankis sud\u0117tingoje ir \u0161altoje aplinkoje, pavyzd\u017eiui, Baltijos j\u016bros nuolau\u017eose, liudija <strong><a href=\"https:\/\/daivings.lv\/nirsanas-instruktors-padi-msdt-valters-preimanis\/\">instruktorius Valteris Preimanis<\/a><\/strong>\u012erenginys yra pagr\u012fstas <strong>patvarus aliuminio korpusas<\/strong> ir <strong>ner\u016bdijan\u010dio plieno stovas<\/strong>, kuris tarnauja kaip standus r\u0117mas visiems komponentams, \u012fskaitant cilindr\u0173 laikiklius (paprastai du ma\u017ei O2 ir <em>skiediklis<\/em> \u0160i konstrukcija u\u017etikrina ger\u0105 stabilum\u0105 tiek sausumoje, tiek po vandeniu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vienas i\u0161 labiausiai atpa\u017e\u012fstam\u0173 <strong><a href=\"https:\/\/daivings.lv\/tag\/jj-ccr\/\">JJ-CCR<\/a><\/strong> funkcijos yra <strong>u\u017ed\u0117tas ant peties (<em>montuojamas ant nugaros<\/em>) prie\u0161plau\u010diai<\/strong>\u0160i pad\u0117tis u\u017etikrina ma\u017e\u0105 kv\u0117pavimo pasiprie\u0161inim\u0105 (<em>Kv\u0117pavimo darbas, WOB<\/em>), nes kontraplau\u010diai seka naro pe\u010di\u0173 kont\u016brus, tod\u0117l kv\u0117pavimas yra sklandus ir patogus, nepriklausomai nuo nardymo pad\u0117ties.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Elektroniski_kontroleta_PO_2_vadiba_ECCR\"><\/span>Elektroniniu b\u016bdu valdomas PO_2 valdymas (ECCR)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JJ-CCR yra <strong>elektroniniu b\u016bdu valdomas u\u017edaros kilpos rekv\u0117peris (ECCR)<\/strong>, kuris u\u017etikrina tiksl\u0173 deguonies dalinio sl\u0117gio ($PO_2$) palaikym\u0105 kv\u0117pavimo kilpoje. Sistemos elektronika naudoja <strong>trys nepriklausomi deguonies jutikliai<\/strong> (paprastai galvaninis-cheminis) $PO_2$ lygio matavimui.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Deguonies tiekimas:<\/strong> Pagrindinis $PO_2$ prie\u017ei\u016bros mechanizmas yra <strong>solenoidinis vo\u017etuvas<\/strong>, kur\u012f valdo kompiuteris. Jis periodi\u0161kai \u012fpur\u0161kia gryn\u0105 deguon\u012f, kai $PO_2$ lygis nukrenta \u017eemiau nustatytos vert\u0117s (<em>Nustatytas ta\u0161kas<\/em>).<\/li>\n\n\n\n<li><strong>Optimizuotas duj\u0173 sunaudojimas:<\/strong> Skirtingai nuo atvirojo ciklo nardymo, kai $PO_2$ su fiksuotu nitrokso mi\u0161iniu nuolat did\u0117ja did\u0117jant gyliui (dekompresini\u0173 sustojim\u0173 metu sukuriama didel\u0117 N2\/He apkrova), pakartotinio kv\u0117pavimo aparatas vis\u0105 laik\u0105 palaiko optimal\u0173 $PO_2$ lyg\u012f (pvz., <strong>1,2\u20131,4 baro \/ ATA<\/strong> giliai ir <strong>0,7\u20130,9 baro \/ ATA<\/strong> Tai leid\u017eia maksimaliai panaudoti deguon\u012f ir suma\u017eina inertini\u0173 duj\u0173 (azoto ir helio) patekim\u0105, o tai \u017eymiai suma\u017eina <strong>sutrumpina dekompresijos laik\u0105<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Elektroniska_Redundanse_un_Drosiba\"><\/span>Elektroninis perteklius ir sauga<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Saugumas yra pagrindinis CCR nardymo aspektas, tod\u0117l JJ-CCR turi kelet\u0105 \u012fmontuot\u0173 saugos sistem\u0173:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Rezervinis maitinimo \u0161altinis:<\/strong> \u012erenginys naudoja nepriklausomas baterijas pagrindiniam valdikliui, <em>Projekcinis ekranas<\/em> (HUD) ir solenoidinis vo\u017etuvas.<\/li>\n\n\n\n<li><strong>HUD (prie\u0161inis ekranas):<\/strong> Be pagrindinio valdiklio, HUD pateikia vaizdin\u0119, spalvot\u0105 $PO_2$ b\u016bsenos indikacij\u0105 naro matymo lauke (\u017ealia = gerai, geltona\/raudona = problema), o tai labai svarbu norint greitai reaguoti.<\/li>\n\n\n\n<li><strong>ADV (automatinis skiediklio vo\u017etuvas):<\/strong> Automatinis skiediklio vo\u017etuvas kompensuoja duj\u0173 nuostolius kilpoje (pvz., kylant arba rankiniu b\u016bdu i\u0161kv\u0117pus per kandikl\u012f), u\u017etikrindamas, kad potvynio t\u016bris i\u0161likt\u0173 pakankamas.<\/li>\n\n\n\n<li><strong>Rankinis valdymas:<\/strong> Reik\u0117t\u0173 pabr\u0117\u017eti, kad JJ-CCR, kaip ir bet kuris ECCR, reikalauja, kad naras b\u016bt\u0173 apmokytas. <strong>rankiniu b\u016bdu valdyti sistem\u0105<\/strong>Nardytojas visada tur\u0117t\u0173 b\u016bti pasiruo\u0161\u0119s rankiniu b\u016bdu tiekti deguon\u012f arba skiedikl\u012f, jei sugest\u0173 elektronika.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tehniskas_prieksrocibas_un_pielietojums\"><\/span>Techniniai prana\u0161umai ir pritaikymas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JJ-CCR ypa\u010d populiarus techninio nardymo srityje \u2013 nardant laivus, urvus ir gilias ekspedicijas.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gylis ir laikas:<\/strong> Geb\u0117jimas palaikyti optimal\u0173 $PO_2$ leid\u017eia nardyti daug giliau ir ilgiau nei su atviru ciklu, nevir\u0161ijant toksi\u0161kumo (CNS O2) rib\u0173.<\/li>\n\n\n\n<li><strong>Logistika:<\/strong> Rekv\u0117peris naudoja tik metabolizmui reikaling\u0105 deguon\u012f ir minimal\u0173 skiediklio duj\u0173 kiek\u012f. Tai \u017eymiai suma\u017eina reikaling\u0173 duj\u0173 kiek\u012f, palyginti su atvirojo ciklo \u012franga, tod\u0117l ekspedicij\u0173 logistika tampa lengvesn\u0117.<\/li>\n\n\n\n<li><strong>Akustin\u0117 tyla:<\/strong> D\u0117l burbuliuk\u0173 nebuvimo nardymas yra tylus, o tai yra didelis privalumas fotografuojant, filmuojant povandenin\u0119 fotografij\u0105 ir artim\u0105 kontakt\u0105 su j\u016bros gyv\u016bnais.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Par_skabekla_toksicitati_CNS_O2_CCR_konteksta\"><\/span>D\u0117l deguonies toksi\u0161kumo (CNS O2) KKR kontekste<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eJJ-CCR radikaliai pakei\u010dia deguonies toksi\u0161kum\u0105 (<em>CNS O2<\/em>) kontrol\u0119. Nardant atvirojo ciklo nardymo metu su fiksuotu nitrokso mi\u0161iniu, naras negali kontroliuoti $PO_2$ \u2013 jis nuolat ir pasyviai did\u0117ja gylyje, tod\u0117l su kiekvienu gylio metru did\u0117ja toksi\u0161kumo rizika. Prie\u0161ingai, nardydamas su JJ-CCR, naras \u012fkvepia dujas su <strong>pastovus, nustatytas $PO_2$ lygis<\/strong> (<em>Konstanta $PO_2$<\/em>), kur\u012f elektronika palaiko nepriklausomai nuo gylio. Prakti\u0161kai tai rei\u0161kia, kad nustatant <em>Nustatytas ta\u0161kas<\/em> pavyzd\u017eiui, <strong>1,3 baras \/ ATA<\/strong>, gauname <strong>nuolatinis CNS toksi\u0161kumo \u201elaikrod\u017eio\u201c padid\u0117jimas<\/strong> viso nardymo metu, o tai labai palengvina rizikos skai\u010diavimus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> Ta\u010diau b\u016btent \u0161i pastovi $PO_2$ vert\u0117 viso nardymo profilio metu, ypa\u010d ilg\u0173 dekompresijos etap\u0173 metu, kai sl\u0117gis yra auk\u0161tas (pvz., 1,4 baro\/ATA), reikalauja, kad naras j\u0105 labai atid\u017eiai steb\u0117t\u0173. <strong>u\u017e bendr\u0105 CNS laiko limit\u0105<\/strong> ir da\u017enai kei\u010diasi $PO_2$ <em>Nustatytas ta\u0161kas<\/em> iki ma\u017eesn\u0117s vert\u0117s dekompresijos metu (pvz., iki 0,9 baro\/ATA), kad b\u016bt\u0173 galima efektyviai valdyti bendr\u0105 poveikio laik\u0105 ir nevir\u0161yti saugos standart\u0173. Tai yra pagrindinis CCR privalumas ir tuo pa\u010diu metu atsakomyb\u0117.\u201c<\/p>","protected":false},"excerpt":{"rendered":"<p>U\u017edaros grandin\u0117s rekv\u0117perio (CCR) technologijos \u012fvadas U\u017edaros grandin\u0117s rekv\u0117periai (CCR) suk\u0117l\u0117 revoliucij\u0105 techniniame nardyme, suteikdami dideli\u0173 prana\u0161um\u0173, palyginti su tradiciniu atviros grandin\u0117s nardymu. Pagrindinis CCR principas yra i\u0161kv\u0117pt\u0173 duj\u0173 recirkuliacija. Skirtingai nuo atviros grandin\u0117s sistem\u0173, kuriose i\u0161kv\u0117ptos dujos [\u2026]<\/p>","protected":false},"author":1,"featured_media":11234,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1600],"tags":[1614,1615,1616],"class_list":["post-11243","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tehniska-nirsana","tag-ccr","tag-jj-ccr-2","tag-jjccr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ar JJ-CCR rebr\u012bzeru sasniegts robustums un augsta efektivit\u0101te tehniskaj\u0101 nir\u0161an\u0101 - Daivings.lv<\/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:\/\/daivings.lv\/lt\/jj-ccr-rebrizeris-techniniam-nardymui-pasizymi-tvirtumu-ir-dideliu-efektyvumu\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ar JJ-CCR rebr\u012bzeru sasniegts robustums un augsta efektivit\u0101te tehniskaj\u0101 nir\u0161an\u0101 - Daivings.lv\" \/>\n<meta property=\"og:description\" content=\"Ievads sl\u0113gt\u0101 cikla rebr\u012bderu (CCR) Tehnolo\u0123ij\u0101 Sl\u0113gt\u0101 cikla rebr\u012bderi (CCR) ir main\u012bju\u0161i tehnisko nir\u0161anu, pied\u0101v\u0101jot iev\u0113rojamas priek\u0161roc\u012bbas sal\u012bdzin\u0101jum\u0101 ar tradicion\u0101lo atv\u0113rto ciklu akvalangu (Open Circuit Scuba). CCR galvenais princips ir izelpot\u0101s g\u0101zes recirkul\u0101cija. 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