electric heater

简明释义

电热器

英英释义

例句

1.Make sure to place the electric heater away from flammable materials.

确保将电暖器放在远离易燃物品的地方。

2.The electric heater is energy-efficient and saves on electricity bills.

这个电暖器节能，能节省电费。

3.During the power outage, we relied on the electric heater for warmth.

在停电期间，我们依靠电暖器来取暖。

4.My friend uses a portable electric heater in her office.

我的朋友在办公室里使用一个便携式电暖器。

5.I bought an electric heater to keep my room warm during the winter.

我买了一个电暖器来在冬天保持我的房间温暖。

作文

As the winter months approach, many households begin to prepare for the cold weather. One of the essential appliances that come into play during this season is the electric heater. An electric heater is a device that converts electrical energy into heat, providing warmth in homes, offices, and other spaces. Understanding how an electric heater works and its benefits can help individuals make informed decisions about heating their environments effectively.The principle behind an electric heater is quite simple. When electricity flows through a resistive material, it generates heat due to the resistance encountered by the electrical current. This heat can then be transferred to the surrounding air, raising the temperature of the room. There are various types of electric heaters, including convection heaters, radiant heaters, and fan-forced heaters, each with its unique mechanism of operation.Convection heaters work by heating the air in the room. As the air warms up, it rises, and cooler air moves in to take its place, creating a circulation of warm air throughout the space. This type of electric heater is ideal for maintaining a consistent temperature in larger areas. On the other hand, radiant heaters emit infrared radiation, which directly warms objects and people in the room without significantly heating the air. This makes them suitable for spot heating in smaller spaces or for quick warmth in areas where immediate heat is needed.Fan-forced heaters combine both convection and radiant heating methods. They use a fan to blow air over a heating element, which helps distribute warmth quickly and evenly across a room. This type of electric heater is particularly effective in spaces that require rapid heating, such as bathrooms or workshops.One of the significant advantages of using an electric heater is its convenience. Unlike traditional heating systems that rely on gas or oil, electric heaters can be easily plugged into any standard electrical outlet, making them portable and easy to use. Many models are lightweight and designed for mobility, allowing users to move them from room to room as needed. This flexibility is especially beneficial for those who may not have a central heating system in their home.Moreover, electric heaters often come with built-in safety features, such as automatic shut-off mechanisms that activate when the unit overheats or tips over. This ensures that users can enjoy warmth without worrying about potential fire hazards. Additionally, modern electric heaters are designed to be energy-efficient, helping to reduce electricity bills while still providing adequate heating.However, it is crucial to use an electric heater responsibly. While they are generally safe, improper usage can lead to accidents. Users should always ensure that the heater is placed on a flat, stable surface, away from flammable materials. Furthermore, it is advisable to turn off the heater when leaving the room or going to sleep to prevent any risks associated with prolonged use.In conclusion, an electric heater serves as a practical solution for combating the chill of winter. With various types available, understanding their functionality and safety measures can enhance comfort and convenience in any living space. Whether you need to heat a small room or provide supplemental warmth throughout your home, an electric heater can be a valuable addition to your winter preparations.

随着冬季的临近，许多家庭开始为寒冷的天气做准备。在这个季节中，必不可少的电器之一就是电加热器。电加热器是一种将电能转化为热能的设备，为家庭、办公室和其他空间提供温暖。了解电加热器的工作原理及其优点，可以帮助人们做出明智的决定，以有效加热环境。电加热器的原理非常简单。当电流通过一个电阻材料时，由于电流遇到的阻力，会产生热量。这种热量可以传递到周围空气中，提高房间的温度。电加热器有多种类型，包括对流加热器、辐射加热器和风扇强制加热器，每种类型都有其独特的工作机制。对流加热器通过加热房间内的空气来工作。随着空气升温，它会上升，而较冷的空气会流入取而代之，从而在整个空间内形成温暖空气的循环。这种类型的电加热器非常适合在较大区域维持恒定的温度。另一方面，辐射加热器发出红外辐射，直接加热房间内的物体和人，而不显著加热空气。这使得它们适合在较小空间进行局部加热或在需要立即温暖的地方提供快速加热。风扇强制加热器结合了对流和辐射加热的方法。它们使用风扇将空气吹过加热元件，这有助于快速均匀地分布房间内的温暖。这种类型的电加热器在需要快速加热的空间中尤其有效，例如浴室或车间。使用电加热器的一个重要优点是其便利性。与依赖天然气或石油的传统供暖系统不同，电加热器可以轻松插入任何标准电源插座，使其便携且易于使用。许多型号轻巧且设计用于移动，允许用户根据需要从一个房间移动到另一个房间。这种灵活性对于那些家中没有中央供暖系统的人尤为有益。此外，电加热器通常配备内置安全功能，例如在设备过热或倾倒时自动关闭的机制。这确保用户可以享受温暖，而无需担心潜在的火灾隐患。此外，现代电加热器被设计为节能，有助于减少电费，同时仍能提供足够的加热。然而，负责任地使用电加热器至关重要。虽然它们通常是安全的，但不当使用可能会导致事故。用户应始终确保加热器放置在平坦、稳定的表面上，远离可燃材料。此外，建议在离开房间或睡觉时关闭加热器，以防止长时间使用带来的风险。总之，电加热器是对抗冬季寒冷的实用解决方案。通过了解其功能和安全措施，可以提高任何生活空间的舒适度和便利性。无论您需要加热一个小房间，还是在整个家中提供补充温暖，电加热器都可以成为您冬季准备的重要补充。