{"id":3482,"date":"2024-07-09T00:00:00","date_gmt":"2024-07-09T00:00:00","guid":{"rendered":"https:\/\/ledrhythm.com\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html"},"modified":"2025-08-21T06:00:19","modified_gmt":"2025-08-21T06:00:19","slug":"how-to-look-at-the-beam-angle-of-outdoor-floodlights","status":"publish","type":"post","link":"https:\/\/ledrhythm.com\/pt\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html","title":{"rendered":"Sabe realmente como \u00e9 calculado o \u00e2ngulo do feixe?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3482\" class=\"elementor elementor-3482\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3ad1bfb e-flex e-con-boxed e-con e-parent\" data-id=\"3ad1bfb\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a0a912 elementor-widget elementor-widget-heading\" data-id=\"6a0a912\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 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\">\u00cdndice<\/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=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/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:\/\/ledrhythm.com\/pt\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#Introduction\" >Introdu\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ledrhythm.com\/pt\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#What_is_Beam_Angle\" >O que \u00e9 o \u00e2ngulo do feixe?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ledrhythm.com\/pt\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#Beam_Angle_Calculator%E2%80%8B\" >Calculadora de \u00e2ngulo de feixe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ledrhythm.com\/pt\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#How_to_choose_right_beam_angle\" >Como escolher o \u00e2ngulo de feixe correto?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ledrhythm.com\/pt\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#Conclusion\" >Conclus\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ledrhythm.com\/pt\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#People_Also_Ask\" >As pessoas tamb\u00e9m perguntam<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introdu\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aba5b03 elementor-widget elementor-widget-text-editor\" data-id=\"aba5b03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u00c9 frequente ouvirmos o termo \"\u00e2ngulo de feixe\" quando se trata de projectores. Mas ser\u00e1 que compreende realmente o que \u00e9 o \u00e2ngulo de feixe? Porque \u00e9 que \u00e9 t\u00e3o crucial para a cobertura e uniformidade da ilumina\u00e7\u00e3o? Este artigo explicar\u00e1 em pormenor o conceito e a f\u00f3rmula de c\u00e1lculo do \u00e2ngulo de feixe.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-114c8ae elementor-widget elementor-widget-heading\" data-id=\"114c8ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"What_is_Beam_Angle\"><\/span>O que \u00e9 o \u00e2ngulo do feixe?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-620492a e-con-full e-flex e-con e-child\" data-id=\"620492a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-da14247 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"da14247\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O \u00e2ngulo de feixe refere-se \u00e0 largura ou dispers\u00e3o do feixe de luz emitido por uma l\u00e2mpada. A linha ao longo da qual a luz emite a sua intensidade m\u00e1xima \u00e9 designada por eixo \u00f3tico.<\/p><ul><li><strong>B50% (FWHM, largura total a metade do m\u00e1ximo)<\/strong><br \/>Esta \u00e9 a defini\u00e7\u00e3o de \u00e2ngulo de feixe mais comummente utilizada a n\u00edvel internacional. O \u00e2ngulo entre as duas direc\u00e7\u00f5es em que a intensidade luminosa desce para 50% da intensidade m\u00e1xima no plano do eixo \u00f3tico da l\u00e2mpada \u00e9 o \u00e2ngulo do feixe.<\/li><li><strong>B10%<\/strong><br \/>O \u00e2ngulo entre as duas direc\u00e7\u00f5es do eixo \u00f3tico da lumin\u00e1ria em que a intensidade da luz desce para 10% da intensidade m\u00e1xima. Alguns fabricantes utilizam B10% porque isso indica um \u00e2ngulo de feixe mais amplo.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee16d8e elementor-widget elementor-widget-image\" data-id=\"ee16d8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"828\" height=\"677\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle.webp\" class=\"attachment-large size-large wp-image-6898\" alt=\"O que \u00e9 o \u00e2ngulo do feixe\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle.webp 828w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-300x245.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-768x628.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-15x12.webp 15w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-700x572.webp 700w\" sizes=\"(max-width: 828px) 100vw, 828px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-751d526 elementor-widget elementor-widget-text-editor\" data-id=\"751d526\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Por exemplo: A intensidade luminosa central de uma lumin\u00e1ria \u00e9 de 10.000 cd.<\/p><ul><li>A intensidade luminosa \u00e9 m\u00e1xima a 0\u00b0 (10.000 cd).<\/li><li>A intensidade luminosa a \u00b130\u00b0 \u00e9 de 5.000 cd.<\/li><li>A intensidade luminosa a \u00b145\u00b0 \u00e9 de 1.000 cd.<\/li><\/ul><p>Assim, os \u00e2ngulos do feixe s\u00e3o os seguintes: B50% \u00e2ngulo do feixe = 60\u00b0 (porque vai de -30\u00b0 a +30\u00b0); B10% \u00e2ngulo do feixe = 90\u00b0 (porque vai de -45\u00b0 a +45\u00b0).<\/p><table style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; text-align: center;\"><thead><tr><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Categoria<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Gama t\u00edpica (\u00b0)<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Aplica\u00e7\u00f5es<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Carater\u00edsticas<\/th><\/tr><\/thead><tbody><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Estreito<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">10\u00b0-30\u00b0<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Fachadas, est\u00e1tuas, focagem a longa dist\u00e2ncia<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Alta intensidade, contraste n\u00edtido, \u00e1rea pequena<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">M\u00e9dio<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">30\u00b0-60\u00b0<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Entradas, p\u00e1tios, passadi\u00e7os<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Cobertura e luminosidade equilibradas<\/td><\/tr><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Largo<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">60\u00b0-120\u00b0<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Parques de estacionamento, armaz\u00e9ns, campos desportivos<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\u00c1rea ampla, luz uniforme, lux central inferior<\/td><\/tr><\/tbody><tfoot><tr><td style=\"padding: 8px; border: 1px solid #e5e7eb; font-size: 12px; color: #555;\" colspan=\"4\">Nota: Os intervalos s\u00e3o valores t\u00edpicos. O \u00e2ngulo do feixe \u00e9 normalmente definido em B50% (FWHM).<\/td><\/tr><\/tfoot><\/table><p><img decoding=\"async\" class=\"size-full wp-image-6901 aligncenter\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light.webp\" alt=\"calculadora de \u00e2ngulos de feixe\" width=\"850\" height=\"245\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light.webp 850w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-300x86.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-768x221.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-18x5.webp 18w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-700x202.webp 700w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd25dee elementor-widget elementor-widget-heading\" data-id=\"bd25dee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Beam_Angle_Calculator%E2%80%8B\"><\/span>Calculadora de \u00e2ngulo de feixe<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a2c5a7 elementor-widget elementor-widget-text-editor\" data-id=\"3a2c5a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A calculadora do \u00e2ngulo do feixe que utilizamos baseia-se num \u00e2ngulo de feixe conhecido para estimar o seu alcance de irradia\u00e7\u00e3o e a altura de instala\u00e7\u00e3o. Isto deve-se ao facto de o \u00e2ngulo do feixe ser um valor de medi\u00e7\u00e3o \u00f3tica medido pelo fabricante no laborat\u00f3rio e marcado nos par\u00e2metros do produto.<\/p><p><strong>F\u00f3rmula da calculadora do \u00e2ngulo do feixe: D = tan (\u03b8 \/ 2) \u00d7 L<\/strong><\/p><p>Significado:<\/p><ul><li>D = Raio da zona de ilumina\u00e7\u00e3o<\/li><li>\u03b8 = \u00c2ngulo do feixe<\/li><li>L = Altura de montagem<\/li><\/ul><p>Exemplo de c\u00e1lculo: Se as luzes forem instaladas a uma altura de 5 metros e tiverem um \u00e2ngulo de feixe de 60\u00b0:<\/p><ul><li>D = tan(30\u00b0)\u00d75 = 2,89m<\/li><\/ul><p>O mesmo se aplica ao c\u00e1lculo da altura da instala\u00e7\u00e3o quando se conhece a gama de irradia\u00e7\u00e3o. O resultado pode ser calculado diretamente.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c82aedb elementor-widget elementor-widget-html\" data-id=\"c82aedb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<p>F\u00f3rmula: <strong>D = L \u00d7 tan(\u03b8 \/ 2)<\/strong><\/p>\r\n\r\n<div style=\"display:flex; gap:10px; flex-wrap:wrap; margin-bottom:10px;\">\r\n  <div style=\"flex:1; min-width:100px;\">\r\n    <label>Altura de montagem (L):<\/label><br>\r\n    <input type=\"number\" id=\"height\" placeholder=\"Introduzir a altura\" step=\"0.01\" style=\"width:100%;\">\r\n  <\/div>\r\n\r\n  <div style=\"flex:1; min-width:100px;\">\r\n    <label>\u00c2ngulo do feixe (\u03b8 em graus):<\/label><br>\r\n    <input type=\"number\" id=\"angle\" placeholder=\"Introduzir \u00e2ngulo\" step=\"0.1\" style=\"width:100%;\">\r\n  <\/div>\r\n\r\n  <div style=\"flex:1; min-width:100px;\">\r\n    <label>Unidade:<\/label><br>\r\n    <select id=\"unit\" style=\"width:100%;\">\r\n      <option value=\"m\">Metros (m)<\/option>\r\n      <option value=\"ft\">P\u00e9s (ft)<\/option>\r\n    <\/select>\r\n  <\/div>\r\n\r\n  <div style=\"flex:1; min-width:100px; display:flex; align-items:flex-end;\">\r\n    <button onclick=\"calculate()\" style=\"width:100%;\">Calcular<\/button>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"result\" id=\"output\" style=\"margin-top:10px;\"><\/div>\r\n\r\n<script>\r\nfunction calculate() {\r\n  \/\/ \u83b7\u53d6\u7528\u6237\u8f93\u5165\r\n  const L = parseFloat(document.getElementById('height').value);\r\n  const theta = parseFloat(document.getElementById('angle').value);\r\n  const unit = document.getElementById('unit').value;\r\n\r\n  \/\/ \u9a8c\u8bc1\u8f93\u5165\r\n  if (isNaN(L) || isNaN(theta) || L <= 0 || theta <= 0) {\r\n    document.getElementById('output').innerText = \"\u26a0\ufe0f Please enter valid values.\";\r\n    return;\r\n  }\r\n\r\n  \/\/ \u8ba1\u7b97\u534a\u5f84\u548c\u76f4\u5f84\r\n  const radians = theta * Math.PI \/ 180;  \r\n  const radius = L * Math.tan(radians \/ 2);\r\n  const diameter = 2 * radius;\r\n\r\n  \/\/ \u8f93\u51fa\u7ed3\u679c\r\n  document.getElementById('output').innerHTML =\r\n    `Beam radius \u2248 <b>${radius.toFixed(2)} ${unit}<\/b><br>\r\n     Beam diameter \u2248 <b>${diameter.toFixed(2)} ${unit}<\/b>`;\r\n}\r\n<\/script>\r\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fe0933 elementor-widget elementor-widget-heading\" data-id=\"1fe0933\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"How_to_choose_right_beam_angle\"><\/span>Como escolher o \u00e2ngulo de feixe correto?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b70603 elementor-widget elementor-widget-text-editor\" data-id=\"0b70603\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Necessidades de ilumina\u00e7\u00e3o<\/strong><\/p><ul><li>Para real\u00e7ar esculturas e pinturas (ilumina\u00e7\u00e3o de realce): Escolha um feixe estreito (15\u00b0-24\u00b0).<\/li><li>Para iluminar paredes e quadros (ilumina\u00e7\u00e3o wallwash): Escolha um feixe m\u00e9dio (24\u00b0-36\u00b0).<\/li><li>Para proporcionar uma ilumina\u00e7\u00e3o espacial b\u00e1sica ou iluminar corredores: Escolha um feixe de luz m\u00e9dio-largo (36\u00b0-45\u00b0).<\/li><li>Para iluminar uma divis\u00e3o inteira (ilumina\u00e7\u00e3o ambiente): Escolha um feixe largo (&gt;60\u00b0).<\/li><li>Para iluminar grandes \u00e1reas exteriores: Escolha um projetor com um feixe extra largo (&gt;90\u00b0).<\/li><\/ul><p><strong>Dist\u00e2ncia de ilumina\u00e7\u00e3o<\/strong><\/p><p>Quanto mais longe a fonte de luz estiver do objeto a ser iluminado, mais estreito ser\u00e1 o \u00e2ngulo do feixe necess\u00e1rio para produzir o mesmo tamanho de ponto.<\/p><table style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; text-align: center;\"><thead><tr><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Aplica\u00e7\u00e3o<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\u00c2ngulo de feixe recomendado<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Motivo<\/th><\/tr><\/thead><tbody><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Realce de obras de arte ou est\u00e1tuas<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">10\u00b0-30\u00b0 (estreito)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Focar a luz numa \u00e1rea pequena, criar contraste<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Ilumina\u00e7\u00e3o geral de salas ou corredores<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">30\u00b0-60\u00b0 (M\u00e9dio)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Cobertura e luminosidade equilibradas<\/td><\/tr><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Parques de estacionamento, campos desportivos, armaz\u00e9ns<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">60\u00b0-120\u00b0 (Grande angular)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Iluminar grandes \u00e1reas de forma uniforme, reduzir as sombras<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Ilumina\u00e7\u00e3o de destaque para prateleiras ou vitrinas<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">20\u00b0-40\u00b0 (estreito a m\u00e9dio)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Realce os produtos sem derramar luz<\/td><\/tr><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Ilumina\u00e7\u00e3o exterior de jardins ou paisagens<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">30\u00b0-90\u00b0 (M\u00e9dio a largo)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Proporcionam uma ilumina\u00e7\u00e3o suave e uniforme sobre as plantas e os caminhos<\/td><\/tr><\/tbody><tfoot><tr><td style=\"padding: 8px; border: 1px solid #e5e7eb; font-size: 12px; color: #555;\" colspan=\"3\">Nota: Os \u00e2ngulos dos feixes s\u00e3o aproximados; selecionar com base na altura do teto e no tamanho da \u00e1rea.<\/td><\/tr><\/tfoot><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cdbc0a elementor-widget elementor-widget-heading\" data-id=\"9cdbc0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclus\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7797cf elementor-widget elementor-widget-text-editor\" data-id=\"b7797cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O \u00e2ngulo do feixe determina a forma e a propaga\u00e7\u00e3o da luz. Compreender e utilizar o \u00e2ngulo de feixe pode proporcionar-lhe uma melhor experi\u00eancia de ilumina\u00e7\u00e3o. Ao escolher uma l\u00e2mpada, \u00e9 importante concentrar-se no \u00e2ngulo do feixe, n\u00e3o apenas na pot\u00eancia (brilho) e na temperatura da cor (cor).<\/p><p>Somos um fabricante profissional de ilumina\u00e7\u00e3o LED para aplica\u00e7\u00f5es industriais e comerciais. As nossas lumin\u00e1rias oferecem uma variedade de \u00e2ngulos de feixe. <a href=\"https:\/\/ledrhythm.com\/pt\/guestbook\/\" target=\"_blank\" rel=\"noopener\">Contactar-nos<\/a> para personalizar a sua solu\u00e7\u00e3o de ilumina\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e1d1c8 elementor-widget elementor-widget-heading\" data-id=\"2e1d1c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"People_Also_Ask\"><\/span>As pessoas tamb\u00e9m perguntam<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9b6c92 elementor-widget elementor-widget-n-accordion\" data-id=\"f9b6c92\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00e3o. Abrir liga\u00e7\u00f5es com Enter ou Espa\u00e7o, fechar com Escape e navegar com Setas\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2610\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2610\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Como medir o \u00e2ngulo do feixe? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2610\" class=\"elementor-element elementor-element-fe40a65 e-con-full e-flex e-con e-child\" data-id=\"fe40a65\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-154bf1a elementor-widget elementor-widget-text-editor\" data-id=\"154bf1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O \u00e2ngulo de feixe \u00e9 normalmente medido pelo fabricante em laborat\u00f3rio, utilizando um fot\u00f3metro ou um medidor de luz. O m\u00e9todo normal \u00e9 determinar o \u00e2ngulo em que a intensidade luminosa desce para 50% do seu valor m\u00e1ximo (B50%), com base nos dados do IES ou medindo diretamente na superf\u00edcie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2611\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2611\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Qual \u00e9 o melhor \u00e2ngulo de feixe para projectores? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2611\" class=\"elementor-element elementor-element-1b73bc3 e-con-full e-flex e-con e-child\" data-id=\"1b73bc3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40ea463 elementor-widget elementor-widget-text-editor\" data-id=\"40ea463\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O \u00e2ngulo de feixe ideal para um projetor depende da aplica\u00e7\u00e3o espec\u00edfica:<\/p><ul><li>\u00c2ngulo de feixe estreito (10\u00b0-30\u00b0): Utilizado para real\u00e7ar objectos ou \u00e1reas espec\u00edficas.<\/li><li>\u00c2ngulo de feixe m\u00e9dio (30\u00b0-60\u00b0): Utilizado para ilumina\u00e7\u00e3o de \u00e1reas gerais.<\/li><li>\u00c2ngulo de feixe amplo (60\u00b0-120\u00b0): Utilizado para iluminar grandes espa\u00e7os, como campos desportivos e parques de estacionamento.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2612\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2612\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> O \u00e2ngulo de feixe de uma lumin\u00e1ria \u00e9 fixo depois de sair da f\u00e1brica? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2612\" class=\"elementor-element elementor-element-ed71ae1 e-con-full e-flex e-con e-child\" data-id=\"ed71ae1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7527022 elementor-widget elementor-widget-text-editor\" data-id=\"7527022\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim. A maioria das lumin\u00e1rias LED tem um \u00e2ngulo de feixe fixo definido pela sua \u00f3tica. Alter\u00e1-lo requer normalmente a substitui\u00e7\u00e3o da lente ou do refletor. Alguns projectores ajust\u00e1veis especializados permitem modificar o \u00e2ngulo do feixe, mas para os projectores t\u00edpicos, o \u00e2ngulo do feixe \u00e9 predeterminado.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o \u00c9 frequente ouvirmos o termo \"\u00e2ngulo de feixe\" quando se trata de projectores. Mas ser\u00e1 que compreende realmente o que \u00e9 o \u00e2ngulo de feixe? Porque \u00e9 que \u00e9 t\u00e3o crucial para a cobertura e uniformidade da ilumina\u00e7\u00e3o? Este artigo ir\u00e1 explicar o conceito e a f\u00f3rmula de c\u00e1lculo do \u00e2ngulo de feixe em pormenor. O que \u00e9 o \u00e2ngulo de feixe? O \u00e2ngulo do feixe refere-se \u00e0 largura ou...<\/p>","protected":false},"author":1,"featured_media":6868,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts\/3482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/comments?post=3482"}],"version-history":[{"count":38,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts\/3482\/revisions"}],"predecessor-version":[{"id":6915,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts\/3482\/revisions\/6915"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/media\/6868"}],"wp:attachment":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/media?parent=3482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/categories?post=3482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/tags?post=3482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}