photocell

简明释义

英[ˈfəʊtəʊsel]美[ˈfoʊtoʊsel]

n. [电]光电池；[电子]光电管（等于 photoelectric cell）

英英释义

单词用法

同义词

反义词

例句

1.Then, when the researchers removed the surfactant by pushing the solution through a membrane, the compounds spontaneously assembled once again into a perfectly formed, rejuvenated photocell.

而后当研究人员用一张膜过滤溶液时，表面活性剂被排出，化合物们立马自发重组为一个活力焕发的成形光电管。

2.Smoke density measurement system of cables burning under certain conditions by the light source, the silicon photocell receiver and computer system.

电缆或光缆在特定条件下燃烧的烟密度光测系统由光源、硅光电池接受器和计算机系统组成。

3.The production method of four-quadrant photocell and the relevant circuit and its working principles were introduced.

论文介绍了误差传感器四象限光电池的制作方法，并介绍了电路设计和工作原理。

4.It is very important to measure the temperature characteristic of the silicon photocell.

对硅光电池温度特性的测量非常重要。

5.Small spotlights and decorative fixtures are available and most use an integrated photocell to automatically turn them on and off.

小射灯，装饰灯具，最可利用的综合光电自动打开和关闭它们。

6.Automatic EPC for unwinding, photocell is suitable for tracking the edge and color of transparent material.

放卷自动纠偏，光电眼适用于跟踪透明材料边缘及颜色。

7.This paper introduces a new method to measure the intensity distribution of single seam diffraction by replacing the silicon photocell and light activated diode with light activated triode.

利用光敏三极管代替硅光电池和光敏二极管来测试单缝和双缝衍射的光强分布。

8.The street lights automatically turn on at dusk thanks to the photocell.

由于光电池，街灯会在黄昏时自动开启。

9.We installed a photocell in our garden to ensure the lights come on when it gets dark.

我们在花园里安装了一个光电池，以确保灯光在天黑时自动开启。

10.The photocell detects light levels and adjusts the brightness of the LED lights accordingly.

光电池检测光线水平，并相应调整LED灯的亮度。

11.Using a photocell can help save energy by only powering lights when needed.

使用光电池可以通过仅在需要时供电来节省能源。

12.The security system uses a photocell to activate the floodlights at night.

安全系统使用光电池在夜间激活泛光灯。

作文

In today's world, technology has permeated every aspect of our lives, making our daily tasks easier and more efficient. One such technological advancement that has gained popularity in recent years is the use of a photocell. A photocell is a light-sensitive device that detects the level of ambient light in its surroundings. It plays a crucial role in various applications, particularly in outdoor lighting systems. The functionality of a photocell is based on the principle of photoelectric effect, where it converts light energy into electrical energy. This allows it to automatically turn lights on or off depending on the amount of natural light available. The most common use of a photocell is in street lighting. During the day, when there is ample sunlight, the photocell detects this brightness and keeps the street lights turned off. As dusk approaches and natural light diminishes, the photocell senses the change and activates the street lights, ensuring that roads are illuminated for safety and security. This automatic functionality not only enhances convenience but also contributes to energy conservation by preventing unnecessary electricity usage during daylight hours. Moreover, photocells are also widely used in residential settings. Homeowners often install photocells in their outdoor lighting systems, such as garden lights or porch lights. This allows the lights to turn on automatically at sunset and off at sunrise, providing a hassle-free experience for homeowners. Additionally, some modern photocells come equipped with timers and adjustable sensitivity levels, allowing users to customize their lighting preferences further. In industrial applications, photocells are employed in various ways, including in solar-powered devices. For instance, solar garden lights use photocells to charge during the day and illuminate at night without the need for manual intervention. This not only promotes sustainability but also reduces the reliance on conventional power sources. Furthermore, the integration of smart technology with photocells has opened up new possibilities for automation in lighting systems. Smart photocells can be connected to home automation systems, allowing users to control their outdoor lighting remotely via smartphones or tablets. This feature adds an extra layer of convenience and security, as homeowners can monitor and adjust their lighting even when they are away from home. Despite the numerous benefits of photocells, it is important to consider some limitations. For example, photocells may sometimes be affected by obstructions such as trees or buildings that block natural light, leading to improper functioning. Moreover, in regions with long twilight periods, photocells might struggle to determine the optimal time to activate lights. In conclusion, the advent of photocells has significantly transformed the way we approach outdoor lighting. From streetlights to garden lamps, these devices offer convenience, energy efficiency, and enhanced security. As technology continues to evolve, we can expect to see even more innovative applications of photocells in the future. Embracing such technologies not only improves our quality of life but also contributes to a more sustainable and environmentally friendly world.

在当今世界，技术渗透到我们生活的每一个方面，使我们的日常任务变得更加轻松和高效。近年来，光电池的使用越来越普及，这是一项重要的技术进步。光电池是一种对周围环境中的光线敏感的设备，它可以检测环境光的强度。它在各种应用中发挥着至关重要的作用，尤其是在户外照明系统中。光电池的功能基于光电效应的原理，即将光能转化为电能。这使得它能够根据自然光的可用量自动开启或关闭灯光。 光电池最常见的用途是在街道照明中。在白天，当阳光充足时，光电池会检测到这种亮度并保持街灯关闭。随着黄昏的临近，自然光减弱，光电池感知到这一变化并激活街灯，确保道路在安全和安保方面得到照明。这种自动功能不仅增强了便利性，还通过防止白天不必要的电力使用来促进节能。 此外，光电池也广泛用于住宅环境。房主通常会在他们的户外照明系统中安装光电池，例如花园灯或门廊灯。这使得灯光能够在日落时自动开启，在日出时关闭，为房主提供无忧的体验。此外，一些现代光电池配备了定时器和可调灵敏度级别，进一步允许用户自定义他们的照明偏好。 在工业应用中，光电池以各种方式被使用，包括在太阳能设备中。例如，太阳能花园灯利用光电池在白天充电，晚上照明，而无需手动干预。这不仅促进了可持续发展，还减少了对传统电源的依赖。 此外，将智能技术与光电池结合开辟了照明系统自动化的新可能性。智能光电池可以连接到家庭自动化系统，使用户能够通过智能手机或平板电脑远程控制户外照明。这一功能为便利性和安全性增加了一层额外的保障，因为房主即使不在家也可以监控和调整他们的照明。 尽管光电池有许多好处，但考虑一些局限性也是重要的。例如，光电池有时可能会受到树木或建筑物等障碍物的影响，从而阻碍自然光，导致功能不正常。此外，在黄昏时间较长的地区，光电池可能难以确定激活灯光的最佳时间。 总之，光电池的出现显著改变了我们对户外照明的看法。从街灯到花园灯，这些设备提供了便利、能源效率和增强的安全性。随着技术的不断发展，我们可以期待在未来看到更多创新的光电池应用。接受这些技术不仅改善了我们的生活质量，还为更可持续和环保的世界做出了贡献。