{"id":11198,"date":"2022-05-19T09:32:25","date_gmt":"2022-05-19T07:32:25","guid":{"rendered":"https:\/\/eoc.cat\/?p=11198"},"modified":"2022-05-19T09:48:26","modified_gmt":"2022-05-19T07:48:26","slug":"illuminacio-led","status":"publish","type":"post","link":"https:\/\/eoc.cat\/ca\/illuminacio-led\/","title":{"rendered":"La il\u00b7luminaci\u00f3 led, caracter\u00edstiques i \u00e0mbits d&#8217;\u00fas"},"content":{"rendered":"<p>La <strong>il\u00b7luminaci\u00f3 led<\/strong> s&#8217;ha convertit en imprescindible en diversos \u00e0mbits. A continuaci\u00f3, t&#8217;expliquem els m\u00e9s usuals. A m\u00e9s, afegim informaci\u00f3 detallada sobre les seves caracter\u00edstiques m\u00e9s importants.<\/p>\n<h2>Caracter\u00edstiques de la il\u00b7luminaci\u00f3 led<\/h2>\n<p>Les sigles led al\u00b7ludeixen a<strong><em> lighting emitting diode<\/em><\/strong> (d\u00edode emissor de llum). Al principi es feia servir en els botons de diversos dispositius. Va ser <a href=\"https:\/\/www.investigacionyciencia.es\/revistas\/investigacion-y-ciencia\/ideas-para-cambiar-el-mundo-620\/la-verdadera-historia-del-led-12827\">Oleg Vladim\u00edrovich L\u00f3sev<\/a> qui ho va inventar en 1927. Fins a quatre d\u00e8cades despr\u00e9s no va arribar a la ind\u00fastria. Progressivament, ha anat canviant de color en adaptar-se a tota mena d&#8217;usos.<\/p>\n<h3>Com funciona un led?<\/h3>\n<p>Tot comen\u00e7a <strong>quan un electr\u00f3 passa de la banda de conducci\u00f3 a la de val\u00e8ncia<\/strong>. En fer-ho, perd energia que acaba convertint-se en fot\u00f3. Aquesta \u00e9s la part\u00edcula encarregada de les manifestacions qu\u00e0ntiques. Finalment, el fot\u00f3 despr\u00e8s t\u00e9 major amplitud, fase aleat\u00f2ria i direcci\u00f3.<\/p>\n<p>Pel que fa als colors, dep\u00e8n del <strong>material semiconductor<\/strong> emprat. Aix\u00ed, \u00e9s possible aconseguir el color que es desitgi i combinar-lo amb uns altres. Per exemple, la llum blanca \u00e9s el resultat de la barreja d&#8217;un led blau, un vermell i un altre verd. A major corrent el\u00e8ctric, m\u00e9s intensitat lum\u00ednica.<\/p>\n<h2>\u00c0mbits d&#8217;\u00fas de la il\u00b7luminaci\u00f3 led<\/h2>\n<p>Podr\u00e0s trobar-les llums led gaireb\u00e9 en qualsevol part. De forma habitual delimiten \u00e0rees concretes de zones p\u00fabliques o privades. Tamb\u00e9 es fan servir normalment en l&#8217;enllumenat dels carrers i en el comer\u00e7.<\/p>\n<p>A mode d&#8217;exemple, pel que fa a l&#8217;\u00e0mbit sanitari, poden trobar-se en els seg\u00fcents punts:<\/p>\n<h3 style=\"padding-left: 40px;\">Sales d&#8217;espera<\/h3>\n<p style=\"padding-left: 40px;\">S\u00f3n els espais m\u00e9s importants d&#8217;un hospital o centre de salut. L&#8217;\u00fas d&#8217;una llum m\u00e9s din\u00e0mica \u00e9s essencial. Aix\u00ed mateix, \u00e9s possible aconseguir una llum indirecta que no molesti als pacients i acompanyants.<\/p>\n<h3 style=\"padding-left: 40px;\">Passidissos de centres m\u00e8dics<\/h3>\n<p style=\"padding-left: 40px;\">Sens dubte, formen l&#8217;\u00e0rea m\u00e9s transitada per part de l&#8217;equip m\u00e8dic i dels pacients. En aquest cas, s&#8217;usa aquest tipus de llum tant per a marcar els laterals com per a la il\u00b7luminaci\u00f3 superior. Una llum blanca c\u00e0lida \u00e9s molt recomanable.<\/p>\n<h3 style=\"padding-left: 40px;\">Les oficines de les consultes m\u00e8diques<\/h3>\n<p style=\"padding-left: 40px;\">Els facultatius i les infermeres acostumen a llegir informes dels pacients abans de la visita corresponent. Per aix\u00f2, l&#8217;\u00fas d&#8217;una il\u00b7luminaci\u00f3 led general amb tons blancs i dirigida \u00e9s una alternativa aconsellable.<\/p>\n<h3 style=\"padding-left: 40px;\">Consultes m\u00e8diques<\/h3>\n<p style=\"padding-left: 40px;\">Resulta imprescindible crear l&#8217;ambient lum\u00ednic m\u00e9s recomanable per a generar confian\u00e7a. La correcta il\u00b7luminaci\u00f3 ha d&#8217;evitar molestar a la persona. Els tons c\u00e0lids continuen sent infal\u00b7libles.<\/p>\n<h3 style=\"padding-left: 40px;\">Quir\u00f2fans<\/h3>\n<p style=\"padding-left: 40px;\">\u00c9s un dels \u00e0mbits d&#8217;\u00fas de la il\u00b7luminaci\u00f3 led m\u00e9s recurrents. Es fan servir dos tipus principals. La general ajuda a aportar lluminositat a tot l&#8217;espai disponible. La dirigida s&#8217;inclou en llums movibles que se situen sobre el pacient. Has de saber que aquests llums s\u00f3n de color llum de dia (6500 K). A m\u00e9s, \u00e9s obligatori que disposin d&#8217;una certificaci\u00f3 IP de hermeticidad, i una UL (Underwriters Laboratories) que confirmi la seva idone\u00eftat entre altres.<\/p>\n<h3 style=\"padding-left: 40px;\">Farm\u00e0cies amb il\u00b7luminaci\u00f3 led<\/h3>\n<p style=\"padding-left: 40px;\">Curiosament, a l&#8217;hora d&#8217;utilitzar aquest tipus d&#8217;il\u00b7luminaci\u00f3 en aquest espai ha de tenir una freq\u00fc\u00e8ncia m\u00e0xima de 600 nan\u00f2metres. De no ser aix\u00ed, podrien provocar una impredictible reacci\u00f3 qu\u00edmica en preparar antibi\u00f2tics. Com a complement, s&#8217;inclou un filtre i components que no alterin el color del medicament.<\/p>\n<h3 style=\"padding-left: 40px;\">Zona exterior dels centres de salut, hospitals o cl\u00edniques<\/h3>\n<p style=\"padding-left: 40px;\">Els certificats IP (hermeticidad enfront de la pols i la humitat) i el UL de seguretat s\u00f3n imprescindibles. Et ser\u00e0 senzill trobar llums amb una combinaci\u00f3 de les tres tonalitats de blanc principals.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-11458 size-full\" title=\"caracter\u00edstiques il\u00b7luminaci\u00f3 led\" src=\"https:\/\/eoc.cat\/wp-content\/uploads\/2022\/03\/c-i-led.jpg\" alt=\"caracter\u00edstiques il\u00b7luminaci\u00f3 led\" width=\"1080\" height=\"720\" srcset=\"https:\/\/eoc.cat\/wp-content\/uploads\/2022\/03\/c-i-led.jpg 1080w, https:\/\/eoc.cat\/wp-content\/uploads\/2022\/03\/c-i-led-980x653.jpg 980w, https:\/\/eoc.cat\/wp-content\/uploads\/2022\/03\/c-i-led-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1080px, 100vw\" \/><\/p>\n<h2>Avantatges de la il\u00b7luminaci\u00f3 led<\/h2>\n<p>Si es tria aquest<strong> tipus d&#8217;il\u00b7luminaci\u00f3<\/strong> \u00e9s pels seus m\u00faltiples avantatges. Per exemple, <strong>el consum el\u00e8ctric \u00e9s fins a un 85% inferior<\/strong>. La <strong>durabilitat<\/strong> aconsegueix les 45 000 hores. No hem d&#8217;obviar que \u00e9s la llum m\u00e9s sostenible. No cont\u00e9 tungst\u00e8, mercuri o t\u00f2xics. Tampoc emet calor i el seu manteniment \u00e9s m\u00ednim. El seu <strong>reciclatge<\/strong> \u00e9s m\u00e9s senzill i efica\u00e7 que el de les cl\u00e0ssiques bombetes incandescents.<\/p>\n<p>Gr\u00e0cies a la seva <strong>adaptabilitat<\/strong> a qualsevol espai, la llum led ha aconseguit ser fonamental en qualsevol hospital. Les certificacions exigides van de la m\u00e0 d&#8217;una intensitat lum\u00ednica apropiada per a afrontar diverses tasques.<\/p>\n<p>Sorprenentment, gr\u00e0cies a les caracter\u00edstiques de la il\u00b7luminaci\u00f3 led, \u00e9s possible graduar sense esfor\u00e7 la seva intensitat. Fins i tot, es poden arribar a connectar a Internet per a aconseguir que cada llum instal\u00b7lada s&#8217;ajusti millor a les necessitats espec\u00edfiques de cada actuaci\u00f3.<\/p>\n<h2>Una valoraci\u00f3 final<\/h2>\n<p>Cal subratllar que als avantatges anteriors s&#8217;afegeix la de la seva <strong>facilitat d&#8217;instal\u00b7laci\u00f3<\/strong>. Triant b\u00e9 la seva ubicaci\u00f3, \u00e9s possible crear un espai tridimensional.<\/p>\n<p>Una il\u00b7luminaci\u00f3 deficient o malament planifica ens pot provocar s\u00edmptomes com a cefalees, mol\u00e8sties oculars, nerviosisme o, fins i tot, empitjorar la nostra capacitat de concentraci\u00f3.<\/p>\n<p>Sens dubte, podem concloure que la il\u00b7luminaci\u00f3 led \u00e9s una gran evoluci\u00f3 en els sistemes d&#8217;il\u00b7luminaci\u00f3. S&#8217;han convertit en sin\u00f2nim d&#8217;efici\u00e8ncia, sostenibilitat, adaptabilitat i estalvi.<\/p>\n<p>Per a utilitzar aquest tipus de tecnologia amb la major efici\u00e8ncia possible, \u00e9s necessari tenir coneixements espec\u00edfics en mat\u00e8ria d&#8217;<a href=\"https:\/\/eoc.cat\/ca\/curs-delectricitat-general\/\">electricitat general<\/a>. Per aix\u00f2, es recomana sempre que aquest tipus d&#8217;instal\u00b7lacions, fins i tot les m\u00e9s senzilles, estiguin realitzades per una persona titulada.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La il\u00b7luminaci\u00f3 led s&#8217;ha convertit en imprescindible en diversos \u00e0mbits. A continuaci\u00f3, t&#8217;expliquem els m\u00e9s usuals. A m\u00e9s, afegim informaci\u00f3 detallada sobre les seves caracter\u00edstiques m\u00e9s importants. Caracter\u00edstiques de la il\u00b7luminaci\u00f3 led Les sigles led al\u00b7ludeixen a lighting emitting diode (d\u00edode emissor de llum). Al principi es feia servir en els botons de diversos dispositius. [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":11203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[81],"tags":[82],"class_list":["post-11198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electricitat-general","tag-electricitat-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La il\u00b7luminaci\u00f3 led, caracter\u00edstiques i \u00e0mbits d&#039;\u00fas | EOC Barcelona<\/title>\n<meta name=\"description\" content=\"La il\u00b7luminaci\u00f3 led s&#039;ha convertit en un element imprescindible en molts \u00e0mbits, tant pel seu baix cost com per la seva f\u00e0cil instal\u00b7laci\u00f3.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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