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		<h1>Floodlight là gì? Sự khác nhau giữa led floodlight và spotlight?</h1>
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			<li>Thứ ba - 17/12/2024 21:55</li>
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			Led floodlight được xem là giải pháp chiếu sáng tối ưu cho các khoảng không gian rộng lớn, ngoài trời. Vậy floodlight là gì? Giữa led floodlight và spotlight nên chọn loại nào? Hãy cùng ENA Vietnam tìm hiểu những đặc điểm nổi bật của hai loại đèn led chiếu sáng này qua những chia sẻ dưới đây.
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			<h1 bis_size="{&#039;x&#039;:19,&#039;y&#039;:23,&#039;w&#039;:1565,&#039;h&#039;:31,&#039;abs_x&#039;:245,&#039;abs_y&#039;:750}" style="margin-top:24px; margin-bottom:5px"><a bis_size="{&#039;x&#039;:19,&#039;y&#039;:24,&#039;w&#039;:138,&#039;h&#039;:28,&#039;abs_x&#039;:245,&#039;abs_y&#039;:751}" href="https://enavietnam.vn/shops/den-led-pha/">Floodlight là gì ?</a></h1>

<div bis_size="{&#039;x&#039;:19,&#039;y&#039;:60,&#039;w&#039;:1565,&#039;h&#039;:449,&#039;abs_x&#039;:245,&#039;abs_y&#039;:787}" class="image-center"><img alt="" bis_size="{&#039;x&#039;:577,&#039;y&#039;:60,&#039;w&#039;:449,&#039;h&#039;:449,&#039;abs_x&#039;:803,&#039;abs_y&#039;:787}" height="450" src="https://enavietnam.vn/uploads/news/minhquan/2024/12/image-20241218094907-1.png" width="450" /></div>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:523,&#039;w&#039;:1565,&#039;h&#039;:51,&#039;abs_x&#039;:245,&#039;abs_y&#039;:1250}">Floodlight là tên tiếng anh của đèn pha, đây là loại ánh sáng nhân tạo có chùm sáng rộng, cường độ cao. Nó có thể cung cấp ánh sáng khu vực chức năng cho lối đi lại, bãi đậu xe, lối vào, khu vực làm việc và địa điểm thể thao để có đủ tầm nhìn để thực hiện nhiệm vụ an toàn, chiếu sáng trang trí cho quảng cáo, mặt tiền, tượng đài hoặc hỗ trợ an ninh,…</p>

<h1 bis_size="{&#039;x&#039;:19,&#039;y&#039;:587,&#039;w&#039;:1565,&#039;h&#039;:31,&#039;abs_x&#039;:245,&#039;abs_y&#039;:1314}"><a bis_size="{&#039;x&#039;:19,&#039;y&#039;:588,&#039;w&#039;:129,&#039;h&#039;:28,&#039;abs_x&#039;:245,&#039;abs_y&#039;:1315}" href="https://enavietnam.vn/shops/led-chinh-huong/">Spotlight là gì ?</a></h1>

<div bis_size="{&#039;x&#039;:19,&#039;y&#039;:623,&#039;w&#039;:1565,&#039;h&#039;:449,&#039;abs_x&#039;:245,&#039;abs_y&#039;:1350}" class="image-center"><img alt="" bis_size="{&#039;x&#039;:577,&#039;y&#039;:623,&#039;w&#039;:449,&#039;h&#039;:449,&#039;abs_x&#039;:803,&#039;abs_y&#039;:1350}" height="450" src="https://enavietnam.vn/uploads/news/minhquan/2024/12/image-20241218094908-2.png" width="450" /></div>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:1086,&#039;w&#039;:1565,&#039;h&#039;:76,&#039;abs_x&#039;:245,&#039;abs_y&#039;:1813}">Trái ngược với đèn pha, đèn spotlight (hay còn gọi là đèn chiếu điểm) chiếu sáng có tính định hướng, có sự lan tỏa chùm sáng tập trung và tạo ra bóng sắc nét hơn. Loại đèn này cũng ít tiêu tốn điện hơn và có thể được ứng dụng cả trong nhà và ngoài trời.<br bis_size="{&#039;x&#039;:105,&#039;y&#039;:1119,&#039;w&#039;:0,&#039;h&#039;:13,&#039;abs_x&#039;:331,&#039;abs_y&#039;:1846}" />
Một số ứng dụng phổ biến của đèn led spotlight đó là chiếu sáng phòng triển lãm nghệ thuật, sân khấu hòa nhạc, sân khấu nhạc kịch, cửa hàng thời trang,...</p>

<h1 bis_size="{&#039;x&#039;:19,&#039;y&#039;:1176,&#039;w&#039;:1565,&#039;h&#039;:31,&#039;abs_x&#039;:245,&#039;abs_y&#039;:1903}">Sự khác biệt giữa floodlight và spotlight</h1>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:1220,&#039;w&#039;:1565,&#039;h&#039;:51,&#039;abs_x&#039;:245,&#039;abs_y&#039;:1947}">Sự khác biệt giữa đèn led floodlight (hay còn gọi là đèn pha led, đèn led rọi ngoài trời) và spotlight được thể hiện rõ nhất thông qua góc chùm tia (beam angle). Đối với đèn pha led có góc chiếu sáng từ 45 - 120°, trong khi đó, led spotlight có góc chiếu sáng khoảng 25 - 45°.</p>

<div bis_size="{&#039;x&#039;:19,&#039;y&#039;:1284,&#039;w&#039;:1565,&#039;h&#039;:343,&#039;abs_x&#039;:245,&#039;abs_y&#039;:2011}" class="image-center"><img alt="" bis_size="{&#039;x&#039;:452,&#039;y&#039;:1284,&#039;w&#039;:699,&#039;h&#039;:343,&#039;abs_x&#039;:678,&#039;abs_y&#039;:2011}" height="344" src="https://enavietnam.vn/uploads/news/minhquan/2024/12/image-20241218094908-3.png" width="700" /></div>

<table bis_size="{&#039;x&#039;:19,&#039;y&#039;:1628,&#039;w&#039;:1,&#039;h&#039;:1,&#039;abs_x&#039;:245,&#039;abs_y&#039;:2355}">
	<tbody bis_size="{&#039;x&#039;:20,&#039;y&#039;:1629,&#039;w&#039;:0,&#039;h&#039;:0,&#039;abs_x&#039;:246,&#039;abs_y&#039;:2356}">
		<tr bis_size="{&#039;x&#039;:20,&#039;y&#039;:1629,&#039;w&#039;:0,&#039;h&#039;:0,&#039;abs_x&#039;:246,&#039;abs_y&#039;:2356}">
		</tr>
	</tbody>
</table>

<h1 bis_size="{&#039;x&#039;:19,&#039;y&#039;:1647,&#039;w&#039;:1565,&#039;h&#039;:31,&#039;abs_x&#039;:245,&#039;abs_y&#039;:2374}">Vậy góc chùm là gì ?</h1>
Góc chùm (beam angle) là thuật ngữ dùng để chỉ góc chiếu sáng của một nguồn ánh sáng tới vùng đích. Ánh sáng bên ngoài góc này được gọi là ánh sáng tràn, kéo dài cho đến khi ánh sáng đã giảm đến 10% cường độ tối đa.<br bis_size="{&#039;x&#039;:1462,&#039;y&#039;:1703,&#039;w&#039;:0,&#039;h&#039;:13,&#039;abs_x&#039;:1688,&#039;abs_y&#039;:2430}" />
Góc chùm liên quan đến cường độ của chùm ánh sáng, được đo bằng candelas nhưng không liên quan đến độ sáng (lumen).<br bis_size="{&#039;x&#039;:826,&#039;y&#039;:1728,&#039;w&#039;:0,&#039;h&#039;:13,&#039;abs_x&#039;:1052,&#039;abs_y&#039;:2455}" />
Ví dụ, nếu bạn dùng một chiếc đèn pin cầm tay soi lên bức tường, khi bạn di chuyển đèn cách xa dần bức tường, góc chùm dần trở lên rộng hơn, tuy nhiên mức độ sáng mà nó tạo ra không thay đổi.<br bis_size="{&#039;x&#039;:1298,&#039;y&#039;:1754,&#039;w&#039;:0,&#039;h&#039;:13,&#039;abs_x&#039;:1524,&#039;abs_y&#039;:2481}" />
Bằng cách tính toán độ rộng chùm (đường kính chùm), chúng ta có thể xác định số lượng đèn tối thiểu cần thiết để chiếu sáng thích hợp.
<div bis_size="{&#039;x&#039;:19,&#039;y&#039;:1798,&#039;w&#039;:1565,&#039;h&#039;:467,&#039;abs_x&#039;:245,&#039;abs_y&#039;:2525}" class="image-center"><img alt="" bis_size="{&#039;x&#039;:452,&#039;y&#039;:1798,&#039;w&#039;:699,&#039;h&#039;:467,&#039;abs_x&#039;:678,&#039;abs_y&#039;:2525}" height="468" src="https://enavietnam.vn/uploads/news/minhquan/2024/12/image-20241218094908-4.png" width="700" /></div>

<h1 bis_size="{&#039;x&#039;:19,&#039;y&#039;:2277,&#039;w&#039;:1565,&#039;h&#039;:31,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3004}">Ưu điểm của led floodlight</h1>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:2321,&#039;w&#039;:1565,&#039;h&#039;:25,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3048}">Tuy thiết kế có phần đơn giản nhưng đèn led floodlight có nhiều tính năng hữu ích, sẵn sàng trở thành sản phẩm thay thế hoàn hảo cho các dòng đèn truyền thống trước đó.</p>

<h2 bis_size="{&#039;x&#039;:19,&#039;y&#039;:2363,&#039;w&#039;:1565,&#039;h&#039;:23,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3090}">Hiệu ứng ánh sáng tối ưu hơn</h2>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:2403,&#039;w&#039;:1565,&#039;h&#039;:25,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3130}">Ánh sáng được tạo ra từ đèn led floodlight có dải ánh sáng mạnh. Ngoài công dụng chính là chiếu sáng, đèn còn có thể sử dụng cho các mục đích trang trí ngoài trời như bể bơi, sân vườn… mang lại tính thẩm mỹ cho không gian.</p>

<h2 bis_size="{&#039;x&#039;:19,&#039;y&#039;:2444,&#039;w&#039;:1565,&#039;h&#039;:23,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3171}">Phù hợp với nhiều điều kiện môi trường</h2>

<div bis_size="{&#039;x&#039;:19,&#039;y&#039;:2484,&#039;w&#039;:1565,&#039;h&#039;:529,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3211}" class="image-center"><img alt="" bis_size="{&#039;x&#039;:452,&#039;y&#039;:2484,&#039;w&#039;:699,&#039;h&#039;:529,&#039;abs_x&#039;:678,&#039;abs_y&#039;:3211}" height="530" src="https://enavietnam.vn/uploads/news/minhquan/2024/12/image-20241218094908-5.png" width="700" /></div>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:3027,&#039;w&#039;:1565,&#039;h&#039;:51,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3754}">Đèn floodlight có thể sử dụng trong nhiều điều kiện môi trường khắc nghiệt. Dù trong điều kiện mưa gió đèn vẫn hoạt động ổn định nhờ chỉ số ip chống nước, chống bụi. Vỏ đèn được làm từ chất liệu nhôm đúc, sơn tĩnh điện cùng thiết kế van cân bằng áp suất giúp hạn chế tối đa sự xâm nhập của côn trùng, bụi bẩn. Khi gặp cả vòi nước công suất lớn, việc chiếu sáng của đèn vẫn không bị ảnh hưởng.</p>

<h2 bis_size="{&#039;x&#039;:19,&#039;y&#039;:3094,&#039;w&#039;:1565,&#039;h&#039;:23,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3821}">Tiết kiệm điện năng</h2>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:3134,&#039;w&#039;:1565,&#039;h&#039;:25,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3861}">Led floodlight có tuổi thọ trung bình lên tới 50.000 giờ chiếu sáng. Sử dụng chip led cao cấp cho hiệu suất chiếu sáng cao, giúp tiết kiệm điện tối ưu, giảm chi phí thay thế và sửa chữa.</p>

<h1 bis_size="{&#039;x&#039;:19,&#039;y&#039;:3184,&#039;w&#039;:1565,&#039;h&#039;:32,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3911}">So sánh led floodlight và spotlight nên sử dụng loại nào?</h1>

<div bis_size="{&#039;x&#039;:19,&#039;y&#039;:3221,&#039;w&#039;:1565,&#039;h&#039;:393,&#039;abs_x&#039;:245,&#039;abs_y&#039;:3948}" class="image-center"><img alt="" bis_size="{&#039;x&#039;:452,&#039;y&#039;:3221,&#039;w&#039;:699,&#039;h&#039;:393,&#039;abs_x&#039;:678,&#039;abs_y&#039;:3948}" height="394" src="https://enavietnam.vn/uploads/news/minhquan/2024/12/image-20241218094908-6.png" width="700" /></div>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:3628,&#039;w&#039;:1565,&#039;h&#039;:51,&#039;abs_x&#039;:245,&#039;abs_y&#039;:4355}">Để so sánh sự khác biệt của đèn led floodlight và spotlight, đầu tiên hãy xem xét góc chùm của chúng. Chúng ta hãy xem xét hai bóng đèn led giống hệt nhau trên trần nhà với yêu cầu công suất chính xác. Kết quả về góc chùm tia của chúng được thể hiện thông qua hình dưới đây:</p>

<div bis_size="{&#039;x&#039;:19,&#039;y&#039;:3692,&#039;w&#039;:1565,&#039;h&#039;:385,&#039;abs_x&#039;:245,&#039;abs_y&#039;:4419}" class="image-center"><img alt="" bis_size="{&#039;x&#039;:452,&#039;y&#039;:3692,&#039;w&#039;:699,&#039;h&#039;:385,&#039;abs_x&#039;:678,&#039;abs_y&#039;:4419}" height="386" src="https://enavietnam.vn/uploads/news/minhquan/2024/12/image-20241218094908-7.png" width="700" /></div>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:4091,&#039;w&#039;:1565,&#039;h&#039;:77,&#039;abs_x&#039;:245,&#039;abs_y&#039;:4818}">Có thể thấy hai bóng đèn giống hệt nhau và ra lượng ánh sáng như nhau nhưng sự lan tỏa của ánh sáng sẽ khác nhau.<br bis_size="{&#039;x&#039;:782,&#039;y&#039;:4095,&#039;w&#039;:0,&#039;h&#039;:19,&#039;abs_x&#039;:1008,&#039;abs_y&#039;:4822}" />
Bây giờ chúng ta hãy chuyển sang thuộc tính phụ của góc chùm, “khoảng cách ném”. Nói một cách ngắn gọn, khoảng cách ném là quãng đường mà một chùm ánh sáng có thể truyền đi trước khi tắt dần.<br bis_size="{&#039;x&#039;:1325,&#039;y&#039;:4124,&#039;w&#039;:0,&#039;h&#039;:13,&#039;abs_x&#039;:1551,&#039;abs_y&#039;:4851}" />
Ngoài yếu tố góc chùm sáng, để xác định nên lựa chọn đèn pha led hay đèn spotlight, bạn cần lưu ý một số vấn đề như sau:</p>

<h2 bis_size="{&#039;x&#039;:19,&#039;y&#039;:4185,&#039;w&#039;:1565,&#039;h&#039;:23,&#039;abs_x&#039;:245,&#039;abs_y&#039;:4912}">Địa điểm chiếu sáng</h2>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:4224,&#039;w&#039;:1565,&#039;h&#039;:25,&#039;abs_x&#039;:245,&#039;abs_y&#039;:4951}">Nếu bạn đang tìm kiếm đèn led để chiếu sáng không gian nội thất, lựa chọn đèn spotlight sẽ mang lại ưu thế hơn. Bởi đèn pha chỉ có giá trị chiếu sáng đối với những khu vực có diện tích lớn như nhà kho, bể bơi ngoài trời, lối đi sân vườn,...</p>

<h2 bis_size="{&#039;x&#039;:19,&#039;y&#039;:4266,&#039;w&#039;:1565,&#039;h&#039;:23,&#039;abs_x&#039;:245,&#039;abs_y&#039;:4993}">Phạm vi chiếu sáng</h2>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:4306,&#039;w&#039;:1565,&#039;h&#039;:25,&#039;abs_x&#039;:245,&#039;abs_y&#039;:5033}">Đèn spotlight là loại đèn chỉ chiếu sáng trong một không gian nhỏ, trong khi floodlight có thể chiếu sáng được vùng sáng rộng, vùng chiếu sáng của đèn khá xa và bao quát được cả một vùng không gian.</p>

<h2 bis_size="{&#039;x&#039;:19,&#039;y&#039;:4348,&#039;w&#039;:1565,&#039;h&#039;:23,&#039;abs_x&#039;:245,&#039;abs_y&#039;:5075}">Khả năng tiêu thụ điện</h2>

<p bis_size="{&#039;x&#039;:19,&#039;y&#039;:4387,&#039;w&#039;:1565,&#039;h&#039;:25,&#039;abs_x&#039;:245,&#039;abs_y&#039;:5114}">Việc tiêu thụ điện năng của đèn led là một yếu tố được nhiều người dùng quan tâm. Đèn spotlight do vùng chiếu hẹp và ánh sáng cường độ không quá mạnh nên tiêu thụ điện ít hơn so với đèn floodlight.</p>
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				<strong>Tác giả:</strong>
				<a href="https://enavietnam.vn/news/author/Minh-Quan/">Minh Quân</a>
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