The principle of Panasonic touch switches.
When the voltage is normal, the electromagnetic suction is drawn into the armature, and the main contact can be closed. When the voltage drops severely or the power is lost, the armature of the Panasonic air switch is released and the main contact is disconnected. When the power supply voltage returns to normal, it must be turned off again before work to achieve loss of voltage protection. The protection of people is also very good.
Advantages of Panasonic touch switches.
Tactile switches are suitable for high-density surface mounting, some can be cleaned after soldering, sealed types are dustproof, most suitable for harsh environments, and have a simple circuit design. The service life is between 100,000 and 10 million times. This product has become a series. However, the touch switch also has its disadvantages, and frequent pressing will cause the metal shrapnel to lose its elasticity and fail. The touch switch cannot produce functions independently, and must be used in conjunction with the PCB circuit board to form a complete opening control system.
The membrane switch has the advantages of waterproof, dustproof, oil-proof, anti-harmful gas erosion, stable and reliable performance, light weight, small size, long service life, easy installation, washable panel, non-destructive characters, rich colors, beautiful and generous. Use membrane switches to make your products more modern. The main types of membrane switches are based on rigid or flexible printed circuit boards, mounted with tactile or non-tactile buttons, and then covered with plastic printed with colorful decorative patterns (polycarbonate PC, polyester PET, etc., polyester PET, etc.). Thin film panel, which integrates switch function and decoration function, is a new type of human-machine dialogue interface. The connection between the switch circuit and the whole machine can be soldered or plugged in.
Disadvantages of Panasonic touch switches.
Too much touch of the touch switch will cause the metal shrapnel to fatigue and lose its elasticity, resulting in the failure of the touch switch. In fact, this is a common problem with electronic switches, and any electronic component that is used regularly will accelerate aging.
In addition, touch switches cannot generate functions independently, that is, touch switches need the cooperation of other PCB circuit boards to form a complete switch control system.
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The by-product hydrogen comes from the production of caustic soda.
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A common classification of Panasonic sensors
Common Panasonic sensor classifications.
Type of resistance
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