Common knowledge of key switch

 

 

The main type of key switch refers to the touch type key switch, which is what we often call the light touch switch. Key switch is an electronic switch, which belongs to the category of electronic components. This kind of switch first appeared in Japan, which is called sensitive switch by Japanese. When in use, we apply pressure to the switch operation direction to make the switch function close and on. When we want to disconnect the switch, we only need to cancel the pressure. It depends on the change of metal spring force in its internal structure to realize the switch on and off. There are many kinds of key switch, the waterproof type is to coat a layer of polyimide film on the spring piece of the switch, so as to achieve the purpose of waterproof. The switch is composed of insert, base, spring, button and cover plate.

 

Key switch has many advantages, such as small contact resistance load, accurate operating force error, specification diversification and so on. It has a wide range of applications, but it is mainly used in electronic equipment and white household appliances. For example: audio and video products, digital products, remote control, communication products, household appliances, security products, toys, computer products, fitness equipment, medical equipment, money detector, laser pen button, etc.

 

The key switch can be divided into two categories. One is to use metal spring as switch contact, the other is to use conductive rubber as contact path. Each of these two types has its own advantages. The first one has low contact resistance and good handle. Second, the contact resistance is small. These two kinds of switches have their own advantages, so when choosing, you should choose the appropriate switch according to your own situation. We should not blindly follow the trend and follow the trend. This is very important, and we should do so many times. In our life, many people like to follow the trend blindly, so that there are many problems. No matter what we choose, we must base on our own actual situation. Only from our own actual consideration, can you get the most suitable one for yourself. Key switch, I trust pinzan. Pinzan Technology Co., Ltd. is a very good company with excellent technology, excellent workers and excellent leaders. So he has the strength to make excellent products to satisfy consumers. To buy electrical appliances is to choose the manufacturers that you trust. Don't be greedy and buy unqualified products, which will leave you with potential safety hazards and cause unnecessary property or life threats.