{"id":2439,"date":"2022-06-16T12:44:52","date_gmt":"2022-06-16T12:44:52","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=2439"},"modified":"2023-08-10T09:41:12","modified_gmt":"2023-08-10T09:41:12","slug":"raspberry-pi-fan-pins-easy-cooling-solution","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/pt\/raspberry-pi-fan-pins-easy-cooling-solution\/","title":{"rendered":"Pinos da ventoinha do Raspberry Pi (uma solu\u00e7\u00e3o de arrefecimento f\u00e1cil)"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/featured-image-1.jpg\" alt=\"pinos de ventoinha de framboesa\" class=\"wp-image-2446\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/featured-image-1.jpg 1000w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/featured-image-1-300x169.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/featured-image-1-768x432.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/featured-image-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p>Se tem um Raspberry Pi 4 ou Raspberry Pi Zero 2, pode precisar de arrefecimento ativo para evitar que o seu sistema sobreaque\u00e7a e talvez n\u00e3o haja melhor forma de o fazer do que com os pinos de ventoinha do Raspberry Pi.<\/p>\n\n\n\n<p>Saber\u00e1 quando o seu sistema est\u00e1 a sobreaquecer quando for estrangulado. Dependendo do modelo que tiver, os accionadores da temperatura de estrangulamento variam, mas geralmente, se estiver a atingir 60 C ou mais, deve estar ciente de que pode estar a atingir um limite de estrangulamento.<\/p>\n\n\n\n<p>A 80\u00baC, est\u00e1-se definitivamente em territ\u00f3rio de acelera\u00e7\u00e3o.<\/p>\n\n\n\n<p>\u00c9 f\u00e1cil <a href=\"https:\/\/picockpit.com\/raspberry-pi\/how-to-check-cpu-temp-on-raspberry-pi\/\">monitorizar as suas temperaturas utilizando o comando Terminal, um widget da barra de tarefas ou o PiCockpit.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Que Raspberry Pis precisam de uma ventoinha?<\/h2>\n\n\n\n<p>Na minha experi\u00eancia, o Raspberry Pi 4 precisa de um. Pequenos dissipadores de calor simplesmente n\u00e3o s\u00e3o suficientes. No entanto, se estiver interessado em arrefecer o seu Raspberry Pi 4, ent\u00e3o a melhor op\u00e7\u00e3o \u00e9 provavelmente <a href=\"https:\/\/picockpit.com\/raspberry-pi\/the-best-raspberry-pi-4-case-2023\/\">o caso FLIRC, que abord\u00e1mos num post aqui<\/a>. A caixa FLIRC \u00e9 de facto mais eficaz (e mais silenciosa!) do que muitas ventoinhas!<\/p>\n\n\n\n<p>Se executar algo intensivo (como o YouTube no Chromium), pode acabar por aumentar demasiado a temperatura.<\/p>\n\n\n\n<p>O Raspberry Pi Zero 2 n\u00e3o tem problemas com o arrefecimento passivo, a n\u00e3o ser que se utilize a caixa oficial, que parece reter o calor. <\/p>\n\n\n\n<p>Mas, por outro lado, se estiver a utilizar a caixa oficial, n\u00e3o ter\u00e1 onde colocar uma ventoinha.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pinos do ventilador no Raspberry Pi<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/raspberry-pi-fan-pins.jpg\" alt=\"pinos da ventoinha do raspberry pi\" class=\"wp-image-2440\" style=\"width:586px;height:439px\" width=\"586\" height=\"439\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/raspberry-pi-fan-pins.jpg 680w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/raspberry-pi-fan-pins-300x225.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/raspberry-pi-fan-pins-16x12.jpg 16w\" sizes=\"auto, (max-width: 586px) 100vw, 586px\" \/><\/figure>\n<\/div>\n\n\n<p>Em primeiro lugar, \u00e9 necess\u00e1rio saber se a ventoinha \u00e9 de 5V ou de 3,3V.<\/p>\n\n\n\n<p>Para o determinar, basta ver o autocolante na ventoinha. <\/p>\n\n\n\n<p>Isto \u00e9 importante porque vai ligar os cabos a diferentes pinos GPIO no Raspberry Pi, dependendo da tens\u00e3o.<\/p>\n\n\n\n<p>\u00c9 muito prov\u00e1vel que tenha uma ventoinha de 5V. Nesse caso, o positivo (normalmente de cor vermelha) deve ser ligado a um pino de 5V.<\/p>\n\n\n\n<p>Vamos estabelecer o que \u00e9 o \"topo\" do Raspberry Pi. Tanto no Pi normal como no Raspberry Pi Zeros, o cart\u00e3o SD \u00e9 definido como o \"topo\" do Raspberry Pi.<\/p>\n\n\n\n<p>Assim, os dois primeiros pinos da coluna da direita s\u00e3o pinos de 5V, perfeitos para alimentar a sua ventoinha de 5V. Se for uma ventoinha de 3,3V, ent\u00e3o usar\u00e1 o primeiro pino da coluna da esquerda.<\/p>\n\n\n\n<p>Ligue o terminal negativo (normalmente um fio preto) ao pino de terra, que \u00e9 o terceiro pino a contar de cima na coluna da direita.<\/p>\n\n\n\n<p>Quando ligar o seu Raspberry Pi inserindo o cabo USB-C, ele ligar\u00e1 automaticamente a ventoinha.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/20220616_115808-1000px.jpg\" alt=\"raspberry pi 4 com pinos de ventilador\" class=\"wp-image-2441\" style=\"width:635px;height:476px\" width=\"635\" height=\"476\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/20220616_115808-1000px.jpg 1000w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/20220616_115808-1000px-300x225.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/20220616_115808-1000px-768x576.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/20220616_115808-1000px-16x12.jpg 16w\" sizes=\"auto, (max-width: 635px) 100vw, 635px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Refer\u00eancia da pinagem<\/h2>\n\n\n\n<p>Se n\u00e3o quiser utilizar os pinos da ventoinha sugeridos acima, pode sempre procurar outros pinos GPIO que possam estar melhor posicionados para as suas necessidades.<\/p>\n\n\n\n<p>Eis uma refer\u00eancia.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Pinout-1024x584.jpg\" alt=\"Pi Pinout de framboesa\" class=\"wp-image-2218\" style=\"width:652px;height:372px\" width=\"652\" height=\"372\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Pinout-1024x584.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Pinout-300x171.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Pinout-768x438.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Pinout-1536x876.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Pinout-2048x1167.jpg 2048w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/05\/Pinout-18x10.jpg 18w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><figcaption class=\"wp-element-caption\">Pi Pinout de framboesa<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Como pode ver, existem apenas dois pinos de 5V e est\u00e3o agrupados. No entanto, existem pinos de terra e de alimenta\u00e7\u00e3o de 3,3V espalhados pelo cabe\u00e7alho GPIO.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Montagem do ventilador<\/h2>\n\n\n\n<p>Se tiveres um Raspberry Pi sem caixa, n\u00e3o conseguir\u00e1s manter a ventoinha no lugar.<\/p>\n\n\n\n<p>Se tiver a caixa oficial, pode comprar o acess\u00f3rio para a ventoinha da caixa. <a href=\"https:\/\/buyzero.de\/products\/original-raspberry-pi-4-gehauselufter?_pos=11&amp;_sid=0c8b972f2&amp;_ss=r\">Compre-o aqui.<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-2442\" style=\"width:544px;height:375px\" width=\"544\" height=\"375\"\/><figcaption class=\"wp-element-caption\">Caixa oficial do Raspberry Pi 4 com ventoinha<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Se estiver a comprar uma caixa, existem outras que t\u00eam um suporte de ventoinha incorporado, como a <a href=\"https:\/\/buyzero.de\/products\/modular-raspberry-pi-4-case-black\">Caixa modular para Raspberry Pi 4 da The Pi Hut, que pode ser adquirida aqui.<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-2443\" style=\"width:438px;height:438px\" width=\"438\" height=\"438\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-1.png 500w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-1-300x300.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-1-150x150.png 150w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-1-12x12.png 12w\" sizes=\"auto, (max-width: 438px) 100vw, 438px\" \/><figcaption class=\"wp-element-caption\">A caixa modular para Raspberry Pi 4 da The Pi Hut tem um suporte para ventoinha<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Ouve um zumbido agudo?<\/h2>\n\n\n\n<p>Infelizmente, as ventoinhas pequenas tendem a produzir um ru\u00eddo agudo. Pode n\u00e3o gostar.<\/p>\n\n\n\n<p>Felizmente, tamb\u00e9m, as actualiza\u00e7\u00f5es recentes permitiram que o Raspberry Pi 4 funcionasse sem ventoinha, ainda que por pouco. \u00c9 por isso que eu uso sempre <a href=\"https:\/\/buyzero.de\/collections\/raspberry-pi-4-zubehor\/products\/flirc-gehause-fur-raspberry-pi-4\">um caso FLIRC<\/a> ou instalar uma ventoinha no meu Raspberry Pi 4.<\/p>\n\n\n\n<p>Dito isto, estava a utilizar pequenos dissipadores de calor. Existem <a href=\"https:\/\/buyzero.de\/products\/raspberry-pi-4-heatsink-kuhlkorper\">dissipadores de calor maci\u00e7os que possam funcionar para si, como o dissipador de calor Raspberry Pi 4 da Pimoroni.<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-2.png\" alt=\"\" class=\"wp-image-2444\" style=\"width:536px;height:536px\" width=\"536\" height=\"536\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-2.png 600w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-2-300x300.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-2-150x150.png 150w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-2-12x12.png 12w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><figcaption class=\"wp-element-caption\">O dissipador de calor Raspberry Pi 4 da Pimoroni pode ser a melhor op\u00e7\u00e3o se n\u00e3o gostar do som agudo de uma ventoinha pequena.<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Porque n\u00e3o os dois?<\/h2>\n\n\n\n<p>Se quiser uma combina\u00e7\u00e3o dois-em-um, que tal um sistema integrado de ventoinha dupla com um enorme dissipador de calor, como este da Adafruit?<\/p>\n\n\n\n<p><a href=\"https:\/\/buyzero.de\/products\/aluminum-metal-heatsink-raspberry-pi-4-case-with-dual-fans\">Veja aqui.<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/06\/image-3.png\" alt=\"\" class=\"wp-image-2445\" style=\"width:520px;height:385px\" width=\"520\" height=\"385\"\/><figcaption class=\"wp-element-caption\">Caixa de alum\u00ednio com dissipador de calor para Raspberry Pi 4 com ventoinhas duplas da Adafruit<\/figcaption><\/figure>\n<\/div><div class=\"shariff shariff-align-center shariff-widget-align-left shariff-buttonstretch\"><ul class=\"shariff-buttons theme-white orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fpt%2Fraspberry-pi-fan-pins-easy-cooling-solution%2F&text=Raspberry%20Pi%20Fan%20Pins%20%28An%20Easy%20Cooling%20Solution%29\" title=\"Compartilhar no X\" aria-label=\"Compartilhar no X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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Saber\u00e1 quando o seu sistema est\u00e1 a sobreaquecer quando for estrangulado. Dependendo do modelo que...<\/p>","protected":false},"author":2,"featured_media":2446,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[639,638,1771,641,1772,187,1632,636,637,640],"class_list":["post-2439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi-how-to","tag-cooling","tag-fan","tag-fan-pins","tag-heat-sink","tag-overheating","tag-raspberry-pi","tag-raspberry-pi-3","tag-raspberry-pi-4","tag-raspberry-pi-zero-2","tag-ventilation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi Fan Pins (An Easy Cooling Solution) | PiCockpit<\/title>\n<meta name=\"description\" content=\"In this post, we talk about how to install a fan for your Raspberry Pi with discussion on cases, fan pins, heat sinks.\" \/>\n<meta name=\"robots\" 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