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智能照明技術(shù)篇:關(guān)于0-10V 調(diào)光技術(shù)

發(fā)布時間:2020-01-22    查看: 3260 次

關(guān)鍵詞: 智能照明

老外事情就是多,照明就照明了,長這么大所用過的燈無非就是ON/OFF。什么調(diào)光,舒適,環(huán)保,是這幾年比較開的概念。0-10v調(diào)光技術(shù)的優(yōu)點在于應(yīng)用簡單、效率高、精度高,且調(diào)光效果好。智能照明0-10V的缺點:驅(qū)動能力不夠,如果要加上線性或者PWM調(diào)光功能,就需要改變燈具設(shè)計,增加控制線,因此也就無法順暢地做到替換性改造了。PWM調(diào)光的頻率為200~20kHz之間時,LED驅(qū)動器周圍的電感和輸出電容易產(chǎn)生人耳聽得見的噪聲。

0-10v.png

??經(jīng)常聽客戶問0-10V調(diào)光,字面上好理解,就其原理,淵源可能沒有幾個人知道,下面是我看正統(tǒng)的英文資料的翻譯:

????控制類型0-10V

?? 0-10V?是一模擬方式的燈光控制標(biāo)準(zhǔn)。實際上是改變一個0~10V的電壓信號,從而控制燈光亮度?,F(xiàn)有2種0-10V控制標(biāo)準(zhǔn),二者不能兼容。起初0-10V控制用于劇場的,照明控制臺為連接的調(diào)光模塊調(diào)光通道提供單獨0-10V輸出信號,另外一種0-10V控制用于日光燈驅(qū)動器?,F(xiàn)在流行于LED驅(qū)動器。

?

?

?????原文:

Control type:? 0-10V

0-10V is an analog lighting control protocol. Basically, a 0-10V control applies a voltage

between 0 and 10 volts DC to produce a varying intensity level. There are actually

two existing 0-10V standards. They are not compatible with each other, so it is essential

to understand which type is required.? The original 0-10V control was used for controlling

theatrical lighting. A lighting console provides a separate 0-10V output for each dimming

channel that connects to the input to dimmer modules located in a remote panel. The

other 0-10V control method was developed for, and is used as, a standard means for

controlling fluorescent dimming ballasts.? It has now become popular for some drivers

used for LED lighting.

???按照標(biāo)準(zhǔn)當(dāng)控制信號在10V時驅(qū)動器輸出應(yīng)該是100%,通過控制器調(diào)小 0-10V 信號,光線將減小,當(dāng)信號

?

原文:

?? The standard requires that the ballast (or driver)? provides full light output when the control

voltage is 10 Volts (or above). As the control voltage is reduced by the control, the light

level is reduced. At a control voltage of 1 volt, the ballast (driver) provides it’s minimum

light level.? Any voltage less than 1 volt is defined as minimum. Some drivers' minimum

is off, while other drivers' minimum is the lowest light level of the driver.? It is important to

understand what minimum is for a particular driver.? For drivers that do not go to off at

minimum, a separate relay or switching device is required.

另外標(biāo)準(zhǔn)60929中考慮了控制系統(tǒng)的電流容量問題,規(guī)定各驅(qū)動器0-10V信號輸入端消耗電流

原文:

An additional specification that needs to be considered is the current carrying capacity of

the control.? Standard 60929 Annex E requires the ballast (driver) to limit the current

draw to 2.0 mA maximum.? This means that a control with a 50mA capacity can operate

25 ballasts (drivers) if they have a specified current of 2.0mA.



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