A Complete Collection of 100000 Whys
Fav十万个为什么
为什么节能灯关后微微发亮？
简单的摘要：节能灯关后微微发亮的原因主要是开关控制零线而非火线、灯具漏电以及LED灯珠对电流敏感。
1、开关控制零线而非火线：如果开关仅切断零线，火线仍与灯具连接，此时灯具内部的整流桥堆和电容会继续工作，导致LED灯珠两端产生微弱电压，从而发出微光。
2、灯具漏电：部分节能灯由于质量问题，可能出现漏电现象。即使关闭开关，漏电产生的电流也会通过灯具内部的电路，使LED灯珠发出微弱亮光。
3、LED灯珠对电流敏感：LED灯珠对微弱电流非常敏感，即使在没有形成完整电流回路的情况下，也可能因为感应电流或残留电压而发出微光。这种现象在节能灯中较为常见。
1. This tool has compiled a vast collection of questions and answers to help answer your everyday queries.
2. Simply enter the keywords for your search directly into the input box above.
3. The data in this tool is collected from the internet; if you find any errors, please report them to us so we can correct them.
Recommended Tools
![Floor usage calculator]()
Floor usage calculator
Help you quickly and accurately calculate the required number of floors
![Cube (cubic) calculation tool]()
Cube (cubic) calculation tool
Online cube (cubic) calculation tool
![Water hardness calculator]()
Water hardness calculator
Calculate the hardness of water to evaluate water quality
![Cone surface area calculator]()
Cone surface area calculator
Calculate the surface area of a cone online
![Heat converter]()
Heat converter
Online Heat Conversion Tool
![Image color picker]()
Image color picker
A small tool for easily extracting any color from images online
![DES Tool]()
DES Tool
DES online encryption tool/DES online decryption tool
![Reverse calculation loan interest rate calculator]()
Reverse calculation loan interest rate calculator
Calculate loan interest rate based on monthly repayment amount and loan amount
![Buddha's Spiritual Lot]()
Buddha's Spiritual Lot
Online Buddha Lottery Tool
![Solid color background image generator]()
Solid color background image generator
Online image tool for generating solid color backgrounds
![Barcoder Maker]()
Barcoder Maker
Multiple barcode online generation tools
![Comparison Table of National Language Codes]()
Comparison Table of National Language Codes
Online search for codes corresponding to languages of various countries
![Microphone Test]()
Microphone Test
Online microphone testing tool
![Batch Open URL Tool]()
Batch Open URL Tool
Efficient batch opening URL tool, supporting custom intervals, automatic formatting of URLs, and one click cleaning of tabs
![Convert Chinese characters to Pinyin]()
Convert Chinese characters to Pinyin
Chinese character to Pinyin processing tool
![Body surface area calculator]()
Body surface area calculator
Calculate your body surface area based on your weight and height
![RGB/HSV interconversion]()
RGB/HSV interconversion
RGB/HSV online mutual conversion
![Commercial Loan Calculator]()
Commercial Loan Calculator
An online professional commercial loan calculator with multiple calculation methods suitable for more scenarios.
![The Book of Songs
(Alternative translations:]()
The Book of Songs (Alternative translations: "Classic of Poetry", "Canon of Odes")
Appreciation of the Full Text of the Book of Songs Online
![Retirement date calculator]()
Retirement date calculator
Can I help you calculate your retirement date and how many more days you need to work
![UUID generation tool]()
UUID generation tool
UUID online generation tool
![Kitchen Head]()
Kitchen Head
Online tool for checking stove heads annually
![Website adaptive detection]()
Website adaptive detection
Online detection of webpage presentation effects on devices with different resolutions
![汉字描字帖生成器]()
汉字描字帖生成器
在线生成汉字描字帖，可进行打印
粤ICP备2021116614号