The use of household appliances in daily life has brought us many conveniences, and it is inevitable that we will encounter various small problems during use. According to statistics, most of the problems actually occur on the control board. As one of the essential components of household appliances, the control board plays a decisive role in the quality of household appliances. Let's take a look at the small household appliance control board IC below.
The small home appliance control board is mainly composed of solder pads, via holes, installation holes, wires, components, connectors, filling, electrical gaps, etc. The main functions of each component are as follows:
Installation hole: used to fix the printed circuit board.
Solder pad: The basic component unit for surface mounting and installation, used for soldering metal holes on component pins.
Through hole: Through hole, also known as metalized hole. In double-sided and multi-layer boards, to connect the printed wires between layers, a common hole is drilled at the intersection of the wires that need to be connected in each layer to connect the metal holes of the component pins between the layers.
Wire: refers to the material used for wires and cables, and also refers to wires in industry. Copper film for electrical network connection of component pins.
Filling: Copper plating used for ground wire networks can effectively reduce impedance.
Electrical Gap: Used to confirm the size of a circuit board, and all components on the circuit board must not exceed this gap.
Article source: Small home appliance control board IC http://m.322rrr.com/
05-18
Usage of LED Bluetooth audio system
The small and exquisite LED Bluetooth speaker is not only stylish but also convenient to carry. It is a good choice for external speakers on mobile phones, so how to use it?How to use LED Bluetooth so
05-18
What are the advantages of LED Bluetooth sound system
Most of them are used for wireless Bluetooth mini speakers on mobile phones. The appearance is classified as a practical speaker for home use. Bluetooth speakers are a bit compact, beautiful, and have
05-18
What to pay attention to when choosing an LED Bluetooth speaker
In our daily lives, music is loved by many friends. No matter where we go, we can see someone listening to music. When we finish a day's homework and return home, I believe most of our friends wi
05-18
How to maintain LED Bluetooth audio system
In addition to the quality of the audio system itself, we know that if the audio system is well maintained, it can also be used for a long time with Bluetooth speakers. So how should Bluetooth speaker