A charger is an essential electronic device that converts electrical power for recharging batteries in various devices.
Word in 30 Seconds
- Device to supply power to recharge batteries.
- Converts AC to DC for electronic devices.
- Essential for phones, laptops, and more.
Overview
充电器（chōng diàn qì）是现代生活中不可或缺的电子配件。它的主要功能是将外部电源的电能转化为适合设备内部电池的电能，从而实现设备的充电过程。无论是手机、平板电脑、笔记本电脑，还是电动汽车、电动牙刷等，都需要充电器来维持其电力供应。
在日常使用中，充电器通常与设备配套使用。用户将充电器的插头插入电源插座，然后将连接线（通常是USB线或其他专用接口线）插入设备的充电端口。充电器的工作原理是将高压交流电（AC）通过变压、整流、滤波等电路转换成低压直流电（DC），以匹配设备电池的充电需求。不同设备对充电器的功率（瓦特W）和接口类型（如USB-A, USB-C, Lightning等）有不同的要求。
最常见的充电器使用场景是在家庭、办公室、咖啡馆、机场等地方，为智能手机、笔记本电脑等个人电子设备充电。此外，随着电动汽车的普及，车载充电器和家用充电桩也变得越来越普遍。在旅行时，携带便携式充电器（充电宝）也是一种常见的做法，以备不时之需。
与“充电器”相似的词语包括“电源适配器”（diàn yuán shì pèi qì）和“充电宝”（chōng diàn bǎo）。电源适配器是一个更广泛的概念，泛指所有将电源转换为设备所需电能的设备，充电器是其一种。充电宝（移动电源）则是一种便携式储能设备，本身可以储存电能，然后为其他设备充电，它本身也需要充电器来为其充电。
Examples
请帮我把这个手机充电器插上。
everydayPlease help me plug in this phone charger.
购买笔记本电脑时，请确保包装内附带原装充电器。
formalWhen purchasing a laptop, please ensure it comes with the original charger included.
出门忘带充电器，真是太麻烦了！
informalForgetting to bring the charger when going out is such a hassle!
该设备需要使用特定规格的医疗级充电器以保证安全。
academicThis device requires a specific medical-grade charger to ensure safety.
Common Collocations
Common Phrases
给...充电
to charge...
充电接口
charging port/interface
快充
fast charge
Often Confused With
A '充电宝' (power bank) is a portable battery that stores electricity, while a '充电器' (charger) converts mains electricity into a form suitable for charging batteries. You use a charger to charge a power bank, and you use a power bank to charge your devices when away from a power source.
'电源适配器' (power adapter) is a broader term that includes chargers. All chargers are power adapters, but not all power adapters are chargers (e.g., some adapters only step down voltage without rectification).
Grammar Patterns
How to Use It
Usage Notes
The term '充电器' is very common in daily life. It's generally neutral in register. When referring to specific types, like '原装充电器' (original charger) or '通用充电器' (universal charger), the meaning remains clear. Avoid using overly technical jargon unless the context requires it.
Common Mistakes
Learners might confuse '充电器' (charger) with '充电宝' (power bank). Remember that a charger needs a power source (like a wall socket) to work, while a power bank has its own internal battery. Also, ensure you use the correct charger for your device to avoid damage.
Tips
Choose the Right Charger
Always use a charger that matches your device's specifications for voltage and amperage to ensure safe and efficient charging.
Avoid Damaged Chargers
Do not use chargers with frayed wires or damaged casings, as they can be a fire hazard or damage your device.
Sharing Chargers
In many cultures, it's common to share chargers with friends or family, especially for phones, due to the ubiquity of USB ports.
Word Origin
The word '充电器' is a compound noun. '充电' (chōngdiàn) means 'to charge (a battery)', and '器' (qì) means 'device' or 'tool'. Thus, it literally translates to 'charging device'.
Cultural Context
Chargers are ubiquitous in modern Chinese society, much like in other parts of the world. The availability of charging ports in public spaces like cafes and high-speed trains is common, reflecting the high mobile phone penetration rate.
Memory Tip
Think of '充电器' as the 'charger' that 'charges' your devices. The character '充' means 'to fill' or 'to charge', and '电器' means 'electrical appliance'. So, it's the 'charger for electrical appliances'.
Frequently Asked Questions
4 questions常见的充电器接口类型包括USB-A、USB-C和Lightning（苹果设备专用）。USB-C是目前最主流的接口，因为它正反都能插，传输速度也更快。
手机充电慢可能的原因有：使用的充电器功率不足、充电线质量不好、手机电池老化，或者手机后台运行的程序过多导致耗电快。
很多充电器可以通用，特别是使用USB接口的充电器，只要接口匹配且电压电流符合要求即可。但一些特殊设备可能需要原装或特定规格的充电器。
是的，即使设备已经充满电，充电器在连接电源的情况下也会消耗少量电力，称为待机功耗。为了省电和安全，建议在设备充满后拔掉充电器。
Test Yourself
我的手机没电了，需要找一个______。
手机没电需要用充电器来充电。
以下哪项不是充电器的功能？
充电宝（移动电源）的功能是储存大量电能，而充电器主要是转换电能。
请将以下词语组成一个句子：充电器、我的、电脑、坏了。
这句话表达了“我的电脑的充电器坏了”的意思，符合逻辑。
Score: /3
Summary
A charger is an essential electronic device that converts electrical power for recharging batteries in various devices.
- Device to supply power to recharge batteries.
- Converts AC to DC for electronic devices.
- Essential for phones, laptops, and more.
Choose the Right Charger
Always use a charger that matches your device's specifications for voltage and amperage to ensure safe and efficient charging.
Avoid Damaged Chargers
Do not use chargers with frayed wires or damaged casings, as they can be a fire hazard or damage your device.
Sharing Chargers
In many cultures, it's common to share chargers with friends or family, especially for phones, due to the ubiquity of USB ports.
Examples
4 of 4请帮我把这个手机充电器插上。
Please help me plug in this phone charger.
购买笔记本电脑时，请确保包装内附带原装充电器。
When purchasing a laptop, please ensure it comes with the original charger included.
出门忘带充电器，真是太麻烦了！
Forgetting to bring the charger when going out is such a hassle!
该设备需要使用特定规格的医疗级充电器以保证安全。
This device requires a specific medical-grade charger to ensure safety.
