什么是二极管
二极管是一种半导体器件,它允许电流向一个方向流动,同时阻断电流向相反方向流动。它是一种双端电子元件,其正极称为 陽極 负极称为 陰極.当在二极管正向(阳极为正,阴极为负)施加电压时,二极管允许电流流过。但是,当电压反向施加时,二极管会阻断电流。
也许您感兴趣的是
- Ceiling-mounted PIR occupancy sensor with dry-contact relay output
- 12/24VDC or 12/24VAC low-voltage supply
- COM, NO, and NC isolated relay contacts for EMS, HVAC, and building control inputs
- Low-voltage DC recessed ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 220V power
- 3A maximum working current with 660W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 110V power
- 3A maximum working current with 330W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Low-voltage DC ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Low-voltage DC recessed ceiling mount PIR motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- Max work current 10A with adjustable time delay, Lux threshold, and sensitivity
- Higher-load recessed ceiling mount PIR motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 360-degree detection with adjustable time delay, Lux threshold, and sensitivity
- Recessed ceiling mount PIR motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 360-degree detection with adjustable time delay, Lux threshold, and sensitivity
- Wireless switch and receiver kit for indoor ON/OFF lighting control
- 100-230VAC, 50/60Hz receiver with 5A rated current
- CR2032-powered wireless switch with 2.4GHz communication
- 占用(自動開/自動關)
- 12–24V 直流(10–30VDC),最大 10A
- 360° 覆蓋範圍,直徑 8–12 米
- 延遲時間 15 秒–30 分鐘
- 光感測器關/15/25/35 Lux
- 高/低感度
- 自动开启/自动关闭占用模式
- 100–265V交流,10A(需要中性線)
- 360° 覆蓋範圍;8–12 米探測直徑
- 時間延遲 15 秒–30 分鐘;Lux OFF/15/25/35;感度 高/低
- 自动开启/自动关闭占用模式
- 100–265V AC,5A(需要中性線)
- 360° 覆蓋範圍;8–12 米探測直徑
- 時間延遲 15 秒–30 分鐘;Lux OFF/15/25/35;感度 高/低
- 100V-230VAC
- 傳輸距離:最多20米
- 無線運動感應器
- 有線控制
- 電壓:2x AAA 電池 / 5V DC (Micro USB)
- 日/夜模式
- 时间延迟:15分钟、30分钟、1小时(默认)、2小时
在照明行业,二极管特指发光二极管(LED)。LED 是一种半导体器件,电流通过时会发光。它们由特定的半导体材料组成,通常是镓、砷和磷的组合,通电时发光。LED 发出的光的颜色取决于所使用的特定半导体材料和掺杂量。
LED 因其众多优点而在照明行业大受欢迎。它们具有很高的能效,能将更高比例的电能转化为光能,从而减少热能浪费。与传统光源相比,LED 的使用寿命更长、更耐用、体积更小巧,例如 白炽灯泡 和荧光灯。
从 Rayzeek 运动传感器产品组合中获得灵感。
没有找到您想要的?别担心。总有其他方法可以解决您的问题。也许我们的作品集就能帮到您。
常見問題
LED 照明的工作原理是电致发光,即利用半导体材料(二极管)产生光。当电流通过二极管时,它就会发出光子,从而使 LED 灯泡产生光。
二极管负责将交流电转换成直流电,而发光二极管则将电压转换成光。此外,二极管的反向击穿电压较高,而 LED 的反向击穿电压较低。反向击穿电压是指允许电流在反向偏压下流动的电压。
LED 本身设计用于直流 (DC) 工作,只允许电流单向流动。它们通常由直流电压源供电,利用电阻器、电流调节器和电压调节器来控制和限制提供给 LED 的电压和电流。