cadmium suiphide photocell

简明释义

硫化镉光电管

英英释义

例句

1.In the new outdoor security system, the cadmium sulfide photocell helps detect low light conditions.

在新的户外安全系统中，镉硫化物光电池帮助检测低光照条件。

2.The solar garden lights use a cadmium sulfide photocell to automatically turn on at dusk.

这些太阳能花园灯使用镉硫化物光电池在黄昏时自动开启。

3.We replaced the old sensor with a new cadmium sulfide photocell for better performance.

我们用新的镉硫化物光电池替换了旧传感器，以提高性能。

4.The cadmium sulfide photocell in the streetlights ensures they only operate when needed.

街灯中的镉硫化物光电池确保它们仅在需要时工作。

5.The cadmium sulfide photocell is crucial for the automatic operation of our outdoor lighting.

对于我们户外照明的自动操作，镉硫化物光电池至关重要。

作文

In the realm of modern technology, the importance of efficient energy conversion and light detection cannot be overstated. One of the remarkable inventions that have contributed significantly to this field is the cadmium sulfide photocell. This device plays a crucial role in various applications, from simple outdoor lighting systems to complex solar energy solutions. Understanding how a cadmium sulfide photocell works can provide insight into its practical uses and benefits.The cadmium sulfide photocell, also known as a light-dependent resistor (LDR), operates on the principle of photoconductivity. This means that its electrical resistance changes in response to the amount of light it is exposed to. When light falls on the photocell, it excites electrons in the cadmium sulfide material, causing a decrease in resistance. As a result, more current can flow through the device, which can then be used to trigger various actions, such as turning on lights or activating alarms.One of the most common applications of cadmium sulfide photocells is in outdoor lighting systems. For instance, streetlights equipped with these devices can automatically turn on at dusk and off at dawn, ensuring that they operate only when needed. This not only saves energy but also extends the lifespan of the bulbs, as they are not subjected to unnecessary on-off cycles. Furthermore, the integration of cadmium sulfide photocells in solar garden lights allows for an eco-friendly solution that harnesses solar energy during the day and illuminates gardens at night without manual intervention.Beyond outdoor lighting, cadmium sulfide photocells are also utilized in various industrial applications. For example, they are employed in automatic control systems where light levels need to be monitored and adjusted. In manufacturing processes, these photocells can help regulate the exposure of materials to light, ensuring optimal conditions for production. This adaptability makes them invaluable in sectors such as agriculture, where they can be used to control greenhouse lighting based on natural sunlight availability.However, while the advantages of using cadmium sulfide photocells are clear, there are also considerations regarding their environmental impact. Cadmium is a toxic heavy metal, and the disposal of devices containing it must be handled carefully to prevent soil and water contamination. As a result, researchers are exploring alternative materials that can replace cadmium sulfide in photocells, aiming to develop safer and more sustainable options without compromising performance.In conclusion, the cadmium sulfide photocell stands as a testament to the ingenuity of modern technology. Its ability to detect light and convert it into electrical signals has paved the way for numerous advancements in automation and energy efficiency. As we continue to innovate and seek greener alternatives, the legacy of the cadmium sulfide photocell will undoubtedly influence future developments in the field of photodetection and beyond. Understanding its functionality and applications helps us appreciate the intricate relationship between technology and our environment, encouraging us to pursue solutions that are both effective and sustainable.

在现代科技领域，高效的能量转化和光线检测的重要性不容小觑。一个显著的发明——硫化镉光电池，在这一领域做出了重要贡献。该设备在从简单的户外照明系统到复杂的太阳能解决方案的各种应用中发挥着关键作用。理解硫化镉光电池的工作原理可以深入了解其实际用途和好处。硫化镉光电池，也称为光敏电阻（LDR），是基于光导电原理工作的。这意味着它的电阻会根据光照强度的变化而变化。当光线照射到光电池上时，它会激发硫化镉材料中的电子，从而导致电阻下降。结果，更多的电流可以通过设备流动，这可以用来触发各种动作，比如打开灯或激活警报。硫化镉光电池最常见的应用之一是在户外照明系统中。例如，配备这些设备的路灯可以在黄昏时自动开启，在黎明时关闭，确保它们仅在需要时运行。这不仅节省了能源，还延长了灯泡的使用寿命，因为它们不会遭受不必要的开关循环。此外，硫化镉光电池在太阳能花园灯中的应用，提供了一种环保的解决方案，白天利用太阳能，晚上在没有人工干预的情况下照亮花园。除了户外照明，硫化镉光电池还在各种工业应用中得到利用。例如，它们被用于自动控制系统中，需要监测和调整光照水平。在制造过程中，这些光电池可以帮助调节材料的光照暴露，确保生产的最佳条件。这种适应性使它们在农业等行业中不可或缺，能够根据自然阳光的可用性控制温室照明。然而，虽然使用硫化镉光电池的优点显而易见，但也要考虑其对环境的影响。镉是一种有毒重金属，含有它的设备的废弃物必须小心处理，以防止土壤和水源污染。因此，研究人员正在探索替代材料，以取代光电池中的硫化镉，旨在开发更安全、更可持续的选择，而不妨碍性能。总之，硫化镉光电池是现代科技智慧的见证。它检测光线并将其转化为电信号的能力，为自动化和能源效率的众多进步铺平了道路。随着我们继续创新并寻求更环保的替代方案，硫化镉光电池的遗产无疑将影响未来光电检测及其他领域的发展。理解其功能和应用有助于我们欣赏科技与环境之间错综复杂的关系，鼓励我们追求有效且可持续的解决方案。