{"id":2744,"date":"2022-05-11T13:14:54","date_gmt":"2022-05-11T05:14:54","guid":{"rendered":"https:\/\/kanglight.com\/?p=2744"},"modified":"2022-06-10T11:15:33","modified_gmt":"2022-06-10T03:15:33","slug":"lampioni-gialli","status":"publish","type":"post","link":"https:\/\/kanglight.com\/it\/blog\/yellow-street-lights\/","title":{"rendered":"Sapete perch\u00e9 i lampioni sono gialli invece che bianchi?"},"content":{"rendered":"<h2>Introduzione: il libro<\/h2>\n<p>Quando si guida di notte, ci si pu\u00f2 chiedere: perch\u00e9 i lampioni sono gialli invece che bianchi o di un altro colore? In effetti, tendiamo a pensare che la luce bianca sia pi\u00f9 evidente e quella gialla pi\u00f9 tenue. Ma i lampioni usano il giallo; \u00e8 forse per dare un tocco di calore a chi rientra di notte? Qual \u00e8 la differenza tra i lampioni gialli e quelli bianchi? Di seguito ve lo spieghiamo in dettaglio.<\/p>\n<p><iframe title=\"Perch\u00e9 i lampioni sono gialli? La scienza del giorno per giorno\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/_EF0IdRfZNc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<h2>Perch\u00e9 i lampioni di solito sono gialli o arancioni?<\/h2>\n<p>Perch\u00e9 i lampioni sono gialli anzich\u00e9 bianchi? Innanzitutto, dobbiamo capire perch\u00e9 i lampioni emettono luce gialla. Il motivo \u00e8 determinato dalla lampadina utilizzata. La maggior parte dei lampioni \u00e8 costituita da vapore di sodio, che si divide principalmente in sodio ad alta pressione (HPS) e sodio a bassa pressione (LPS). Il sodio ad alta pressione \u00e8 pi\u00f9 utilizzato perch\u00e9 ha una maggiore efficienza luminosa, consuma meno energia e dura pi\u00f9 a lungo. Inoltre, la sua eccellente permeabilit\u00e0 alla nebbia rende pi\u00f9 sicuro viaggiare di notte e riduce la probabilit\u00e0 di incidenti stradali.<br \/>\nMa la lampada al sodio ad alta pressione ha anche lo svantaggio di una scarsa resa cromatica. Quando viene aperta per la prima volta, appare bianca e dopo un po' diventa gialla. Non importa quale sia l'oggetto, \u00e8 giallo. Leggendo queste righe, vi starete chiedendo: perch\u00e9 non utilizzare una luce a incandescenza pi\u00f9 chiara? Perch\u00e9 per l'illuminazione stradale la resa cromatica non \u00e8 cos\u00ec importante. Quando si guida di notte, \u00e8 sufficiente vedere le dimensioni e la forma dell'auto in arrivo, non il suo colore.<\/p>\n<h2>Perch\u00e9 il sodio \u00e8 stato utilizzato nell'illuminazione stradale?<\/h2>\n<p>Semplicemente, l'illuminazione stradale \u00e8 gialla o arancione perch\u00e9 utilizza sodio ad alta pressione; perch\u00e9 il sodio \u00e8 stato utilizzato nell'illuminazione stradale?<br \/>\nPrima di tutto, diamo un'occhiata alla tabella che riporta la vita nominale media e i lumen per watt di diversi tipi di lampadine.<\/p>\n<table>\n<thead>\n<tr>\n<th>Tipi di lampadine<\/th>\n<th>Vita nominale media<\/th>\n<th>Lumen per watt<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Incandescente<\/td>\n<td>750-2.000 ore<\/td>\n<td>12-18<\/td>\n<\/tr>\n<tr>\n<td>HPS<\/td>\n<td>20.000-24.000 ore<\/td>\n<td>80-140<\/td>\n<\/tr>\n<tr>\n<td>LED<\/td>\n<td>40.000-50.000 ore<\/td>\n<td>30-90<\/td>\n<\/tr>\n<tr>\n<td>Alogeno<\/td>\n<td>2.000-4.000 ore<\/td>\n<td>10-20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Si pu\u00f2 notare chiaramente che le HPS hanno una luminosit\u00e0 per watt circa sette volte superiore a quella delle lampadine a incandescenza e possono durare fino a circa 24.000 ore. Pertanto, la luce al sodio \u00e8 sufficientemente luminosa e ha una lunga durata.<br \/>\nUn'altra ragione importante \u00e8 che consuma meno energia. Perch\u00e9 produce solo luce visibile agli occhi umani. Le lampade a incandescenza producono luce in tutte le gamme di frequenza, dall'infrarosso all'ultravioletto, e sono molto avide di energia.<br \/>\nPertanto, le lampade al sodio presentano evidenti vantaggi in termini di costo ed efficienza rispetto ad altre lampadine, quindi perch\u00e9 non utilizzare le lampade al sodio? A partire dagli anni '80, le lampade HPS sono state ampiamente utilizzate nell'illuminazione stradale e la gente si \u00e8 gradualmente abituata alle luci stradali gialle.<\/p>\n<h2>Perch\u00e9 non vengono utilizzati i lampioni a LED?<\/h2>\n<p>Le lampade a incandescenza non vengono utilizzate nei lampioni per motivi di efficienza, ma perch\u00e9 non vengono utilizzati i lampioni a LED? Dopo tutto, se guardiamo la tabella precedente, i LED sono efficienti e hanno una vita nominale media pi\u00f9 lunga. Di seguito sono descritte due ragioni principali.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-1837 alignnone\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/led-street-light-03_featured-1-300x131.png\" alt=\"illuminazione stradale\" width=\"546\" height=\"238\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/led-street-light-03_featured-1-300x131.png 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/led-street-light-03_featured-1-768x336.png 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/led-street-light-03_featured-1.png 800w\" sizes=\"(max-width: 546px) 100vw, 546px\" \/><\/p>\n<h3>1. Tempo di apparizione<\/h3>\n<p>In effetti, Nick Holonyak ha inventato la prima luce LED visibile solo nel 1962. Questo \u00e8 molto pi\u00f9 tardi rispetto ad altri tipi di lampade. A quel tempo, molti lampioni erano gi\u00e0 in funzione. L'applicazione diffusa di nuove tecnologie richiede una pratica che non pu\u00f2 essere realizzata in breve tempo.<\/p>\n<h3>2. Costo<\/h3>\n<p>Anche il costo delle luci a LED \u00e8 elevato. Una lampadina a LED costava circa $200, un prezzo molto alto all'epoca. Inoltre, l'illuminazione stradale richiede non solo lampadine, ma anche pali e altri materiali. Anche l'installazione richiede molta manodopera.<br \/>\nNel corso degli anni, per\u00f2, il prezzo dei LED \u00e8 diminuito e alcuni lampioni hanno iniziato a utilizzare le luci a LED. Non c'\u00e8 dubbio che, con il progredire della tecnologia, vedremo la tecnologia LED applicata a pi\u00f9 campi. Ma dobbiamo sapere che, in assenza di svantaggi evidenti delle luci al sodio, le luci a LED non sostituiranno le luci al sodio.<\/p>\n<h2>Il miglior produttore di lampioni a LED<\/h2>\n<p>Se si desidera acquistare lampioni a LED di alta qualit\u00e0, \u00e8 necessario scegliere un produttore di lampioni a LED affidabile, e il viaggio di acquisto \u00e8 a met\u00e0 dell'opera.<br \/>\nKanglight \u00e8 uno dei migliori produttori di lampioni a LED in Cina. \u00c8 molto conosciuta in Cina anche grazie alla sua esperienza decennale nella produzione e nell'esportazione di lampioni. <a href=\"https:\/\/kanglight.com\/it\/\">Produttore di lampioni Kanglight<\/a> pu\u00f2 fornirvi molti tipi di lampioni a LED di alta qualit\u00e0 e un servizio eccellente!<\/p>\n<h3>Ecco alcuni tipi di lampioni a LED popolari per il vostro riferimento.<\/h3>\n<h4>1. Luci stradali Cobra della serie VEGA<\/h4>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-2753\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LWKgnil3mP-300x225.jpg\" alt=\"luci stradali\" width=\"300\" height=\"225\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LWKgnil3mP-300x225.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LWKgnil3mP-768x576.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LWKgnil3mP-500x375.jpg 500w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LWKgnil3mP.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-2754\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/X6CE4hP3sa-300x225.jpg\" alt=\"luci stradali\" width=\"300\" height=\"225\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/X6CE4hP3sa-300x225.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/X6CE4hP3sa-768x576.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/X6CE4hP3sa-500x375.jpg 500w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/X6CE4hP3sa.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-2755\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/k3g7e7g5qt-300x225.jpg\" alt=\"luci stradali\" width=\"300\" height=\"225\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/k3g7e7g5qt-300x225.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/k3g7e7g5qt-768x576.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/k3g7e7g5qt-500x375.jpg 500w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/k3g7e7g5qt.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>La serie VEGA (luce stradale a testa di cobra) \u00e8 un successo di livello mondiale. Essendo un tipo di illuminazione stradale di alta qualit\u00e0, \u00e8 ampiamente utilizzata nelle aree residenziali urbane, nelle aree commerciali, nei parcheggi, nelle autostrade, ecc. In condizioni di alta temperatura, \u00e8 resistente ai raggi UV. Dopo un forte temporale, \u00e8 in grado di drenare l'acqua piovana e lo sporco. Ha anche un ragionevole controllo della temperatura.<\/p>\n<h4>2. Luci stradali a LED della serie LIBRA<\/h4>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-2759\" style=\"font-size: 14.4px;\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/wnRxXtErYR-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/wnRxXtErYR-300x300.png 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/wnRxXtErYR-80x80.png 80w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/wnRxXtErYR-768x768.png 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/wnRxXtErYR-100x100.png 100w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/wnRxXtErYR.png 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-2757\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/NM6N7KP4uz-300x300.jpg\" alt=\"luci stradali\" width=\"300\" height=\"300\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/NM6N7KP4uz-300x300.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/NM6N7KP4uz-80x80.jpg 80w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/NM6N7KP4uz-768x768.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/NM6N7KP4uz-100x100.jpg 100w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/NM6N7KP4uz.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-2758\" style=\"font-size: 14.4px;\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/pjt8DXVQYw-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/pjt8DXVQYw-300x300.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/pjt8DXVQYw-80x80.jpg 80w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/pjt8DXVQYw-768x768.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/pjt8DXVQYw-100x100.jpg 100w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/pjt8DXVQYw.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><span style=\"font-size: 14.4px;\">\u00a0<\/span><\/p>\n<p>Al fine di soddisfare le diverse esigenze dei clienti, il produttore di lampioni Kanglight si dedica all'illuminazione libra di nuova concezione. I lampioni a LED della serie LIBRA sono utilizzati su autostrade, strade urbane e strade comunali, aree commerciali, aree residenziali, parcheggi, autostrade, piste ciclabili e altro ancora.<\/p>\n<h4>3. Luci stradali a LED della serie Pisces<\/h4>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-2762\" style=\"font-size: 14.4px;\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/riDXNUQCPZ-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/riDXNUQCPZ-300x225.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/riDXNUQCPZ-768x576.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/riDXNUQCPZ-500x375.jpg 500w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/riDXNUQCPZ.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-2760\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/eXHgxjEuox-300x225.jpg\" alt=\"luci stradali\" width=\"300\" height=\"225\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/eXHgxjEuox-300x225.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/eXHgxjEuox-768x576.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/eXHgxjEuox-500x375.jpg 500w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/eXHgxjEuox.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-2761\" style=\"font-size: 14.4px;\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LdE5jFMubE-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LdE5jFMubE-300x225.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LdE5jFMubE-768x576.jpg 768w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LdE5jFMubE-500x375.jpg 500w, https:\/\/kanglight.com\/wp-content\/uploads\/2022\/05\/LdE5jFMubE.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><span style=\"font-size: 14.4px;\">\u00a0<\/span><\/p>\n<p>I lampioni a LED della serie Pisces possono essere applicati a qualsiasi strada, come aree commerciali, aree residenziali, autostrade e altro ancora. Inoltre, \u00e8 dotata di un'eccellente funzione di autopulizia a temperatura controllata. Senza dubbio, \u00e8 stato un grande successo.<\/p>\n<h2>Conclusione:<\/h2>\n<p>Perch\u00e9 i lampioni sono gialli anzich\u00e9 bianchi? Credo che dopo aver letto questo articolo avrete una risposta. In breve, il lampione giallo lampeggiante non \u00e8 la causa ma l'effetto. Spesso vediamo i lampioni gialli semplicemente perch\u00e9 sono l'opzione pi\u00f9 economica quando si installano i lampioni per la prima volta. Naturalmente, hanno anche degli svantaggi, come il fatto che rendono difficile identificare il colore di un'auto. Se si utilizzano lampioni bianchi, si pu\u00f2 fare un ottimo lavoro di identificazione dei colori. Pertanto, possiamo aspettarci che i lampioni a LED vengano applicati meglio in futuro. Preferite i lampioni bianchi o quelli gialli? Se avete qualche idea, non esitate a comunicarcela.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduzione: quando si guida di notte, ci si pu\u00f2 chiedere: perch\u00e9 i lampioni sono gialli invece che bianchi o di un altro colore? In effetti, si tende a pensare che la luce bianca sia pi\u00f9 evidente e quella gialla pi\u00f9 tenue. Ma i lampioni usano il giallo; \u00e8 per dare un tocco di calore quando si torna a casa?<\/p>","protected":false},"author":9,"featured_media":2569,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-2744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Do You Know Why Are Street Lights Yellow Instead Of White?<\/title>\n<meta name=\"description\" content=\"What is the difference between white street lights and yellow street lights? 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