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وبلاگ علمی آموزشی شرکت پارس شعاع توس (LED) - روشنایی در پارک ها و اماکن عمومی

در این وبلاگ مطالب آموزشی مربوط به لامپ های LED و چراغ های روشنایی قرار داده شده است. این وبلاگ یک وبلاگ صرفا آموزشی می باشد که قصد دارد اطلاعات کاربران را در مورد لامپ های LED و چراغ های روشنایی افزایش دهد. در این وبلاگ مطالبی از قبیل انواع لامپ های LED و چراغ های روشنایی، اجزاء مختلف ، چراغ های روشنایی نحوه کار قسمت های مختلف ، نحوه ساخت و تکنولوژی ساخت در شرکت های مختلف و استاندار های مربوط به این لامپ ها و چراغ های روشنایی قرار داده شده است.

مدیر سایت

جستجو

Pulpit rock
 

روشنایی در پارک ها و اماکن عمومی

چهارشنبه 30 تیر 1395   12:29 ب.ظ

اغلب اوقات مشاهده شده است که در مکان های عمومی مانند پارک ها و پیاده روها که در آن  از چراغ هایی برای زیبایی استفاده شده است مشکلاتی مانند خطر برق گرفتکی دیده شده است . معمولا استفاده از چراغ هایی با درجه IP بالا مشکلات را تاحدودی بهبود داده است . اما با گذشت زمان و فرسودگی تجهیزات روشنایی و انتقال ، خطر برق گرفتکی تهدید جدی به شمار می رود .
خطر


برای رفع این مشکل راهکارهای مناسبی وجود دارد.

یکی از راهکارهای مناسب کاهش ولتاژ تغذیه خط می باشد . یعنی ولتاژ را تاحدی کاهش دهیم تا خطر جانی انسان را تهدید نکند . ولتاژ مناسب برای این کار 48 ولت می باشد .



پارک

اکثر روشنایی های LED با ولتاژ های پایین تر از 48 ولت می توانند کارکنند پس شاید این روش بتواند هزینه های ساخت درایور راهم تا حدودی کاهش دهد . انتقال ولتاژ 48 ولت AC ساده می باشد . با استفاده از یک ترانس در محدوده ی تعدادی انشعاب و شاخه ی مصرف کننده می توان کاهش ولتاژ با جریان مناسب ایجاد کرد . شاید در ذهن برخی ین سوال پیش بیاید که چرا از ولتاژ یکسو شده استفاده نشود ؟!
مهمترین دلیل شاید همان بحث یکسو کردن و یکسو سازی می باشد ، اینکه باید از یکسو کننده های بسیار قوی  بانک خازنی فوق العاده ای استفاده کرد که خود مشکلاتی را به همراه دارد .
ولی در ولتاژ AC هرمصرف کننده در ورودی خود یکسوکننده داشتته و نیاز به دیود هایی با توان بالا و خازن هایی با ظرفیت بالانمی باشد . از طرف دیگر انتقال ولتاژ DC با توجه به جهت دار بودن کار سخت و مشکلی می باشد .
یکی دیگر از مزیت های ولتاژ AC  48 ولت ساخته شده برای ولتاژ 230 ولت می باشد ،nv ولتاژ AC   می توانید از کلید های محافظ جان و . . .استفاده کرد در ضمن اگر در جایی نیاز باشد تا مجددا ولتاژ 48 ولت AC افزایش یابد به سادگی می توان بایک ترانس افزاینده این کاررا انجام داد .


پارک زیبا

شاید این نوشته هرچند کوچک و خلاصه بتواند کمکی بکند تا میزان برق گرفتگی در پارک ها و مکان های عمومی کاهش پیدا کند و یک راه حل مناسب باشد برای رفع این مشکل .
با تشکر

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